website/search.php

   1 <?php
   2         @define('CONST_ConnectionBucket_PageType', 'Search');
   3
   4         require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
   5         require_once(CONST_BasePath.'/lib/log.php');
   6
   7         ini_set('memory_limit', '200M');
   8
   9         $oDB =& getDB();
  10
  11         // Display defaults
  12         $fLat = CONST_Default_Lat;
  13         $fLon = CONST_Default_Lon;
  14         $iZoom = CONST_Default_Zoom;
  15         $bBoundingBoxSearch = isset($_GET['bounded'])?(bool)$_GET['bounded']:false;
  16         $sOutputFormat = 'html';
  17         $aSearchResults = array();
  18         $aExcludePlaceIDs = array();
  19         $sCountryCodesSQL = false;
  20         $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
  21         $bReverseInPlan = false;
  22         $iFinalLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
  23         $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
  24         $iMaxRank = 20;
  25         if ($iFinalLimit > 50) $iFinalLimit = 50;
  26         $iLimit = $iFinalLimit + min($iFinalLimit, 10);
  27         $iMinAddressRank = 0;
  28         $iMaxAddressRank = 30;
  29         $sAllowedTypesSQLList = false;
  30
  31         // Format for output
  32         if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
  33         {
  34                 $sOutputFormat = $_GET['format'];
  35         }
  36
  37         // Show / use polygons
  38         $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
  39         if ($sOutputFormat == 'html')
  40         {
  41                 $bAsText = $bShowPolygons;
  42                 $bShowPolygons = false;
  43                 $bAsGeoJSON = false;
  44                 $bAsKML = false;
  45                 $bAsSVG = false;
  46         }
  47         else
  48         {
  49                 $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
  50                 $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
  51                 $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
  52                 $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
  53                 if ((($bShowPolygons?1:0)
  54                                         + ($bAsGeoJSON?1:0)
  55                                         + ($bAsKML?1:0)
  56                                         + ($bAsSVG?1:0)
  57                                         + ($bAsText?1:0)
  58                         ) > CONST_PolygonOutput_MaximumTypes)
  59                 {
  60                         if (CONST_PolygonOutput_MaximumTypes)
  61                         {
  62                                 userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
  63                         }
  64                         else
  65                         {
  66                                 userError("Polygon output is disabled");
  67                         }
  68                         exit;
  69                 }
  70         }
  71
  72         // Show address breakdown
  73         $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
  74
  75         // Preferred language
  76         $aLangPrefOrder = getPreferredLanguages();
  77         if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
  78         if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
  79         if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
  80
  81         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
  82
  83         if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
  84         {
  85                 foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
  86                 {
  87                         $iExcludedPlaceID = (int)$iExcludedPlaceID;
  88                         if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
  89                 }
  90         }
  91
  92         // Only certain ranks of feature
  93         if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
  94
  95         if (isset($_GET['featuretype']))
  96         {
  97                 switch($_GET['featuretype'])
  98                 {
  99                 case 'country':
 100                         $iMinAddressRank = $iMaxAddressRank = 4;
 101                         break;
 102                 case 'state':
 103                         $iMinAddressRank = $iMaxAddressRank = 8;
 104                         break;
 105                 case 'city':
 106                         $iMinAddressRank = 14;
 107                         $iMaxAddressRank = 16;
 108                         break;
 109                 case 'settlement':
 110                         $iMinAddressRank = 8;
 111                         $iMaxAddressRank = 20;
 112                         break;
 113                 }
 114         }
 115
 116         if (isset($_GET['countrycodes']))
 117         {
 118                 $aCountryCodes = array();
 119                 foreach(explode(',',$_GET['countrycodes']) as $sCountryCode)
 120                 {
 121                         if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
 122                         {
 123                                 $aCountryCodes[] = "'".strtolower($sCountryCode)."'";
 124                         }
 125                 }
 126                 $sCountryCodesSQL = join(',', $aCountryCodes);
 127         }
 128
 129         // Search query
 130         $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
 131         if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')
 132         {
 133                 $sQuery = substr($_SERVER['PATH_INFO'], 1);
 134
 135                 // reverse order of '/' separated string
 136                 $aPhrases = explode('/', $sQuery);
 137                 $aPhrases = array_reverse($aPhrases);
 138                 $sQuery = join(', ',$aPhrases);
 139         }
 140
 141         // Structured query?
 142         $aStructuredOptions = array(
 143                                 array('amenity', 26, 30),
 144                                 array('street', 26, 30),
 145                                 array('city', 14, 24),
 146                                 array('county', 9, 13),
 147                                 array('state', 8, 8),
 148                                 array('country', 4, 4),
 149                                 array('postalcode', 5, 11),
 150                                 );
 151         $aStructuredQuery = array();
 152         $sAllowedTypesSQLList = '';
 153         foreach($aStructuredOptions as $aStructuredOption)
 154         {
 155                 loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
 156         }
 157         if (sizeof($aStructuredQuery) > 0)
 158         {
 159                 $sQuery = join(', ', $aStructuredQuery);
 160                 if ($iMaxAddressRank < 30)
 161                 {
 162                         $sAllowedTypesSQLList = '(\'place\',\'boundary\')';
 163                 }
 164         }
 165
 166         if ($sQuery)
 167         {
 168                 $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
 169
 170                 // Hack to make it handle "new york, ny" (and variants) correctly
 171                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
 172                 if (isset($aLangPrefOrder['name:en']))
 173                 {
 174                         $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
 175                         $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
 176                         $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
 177                 }
 178
 179                 // If we have a view box create the SQL
 180                 // Small is the actual view box, Large is double (on each axis) that
 181                 $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
 182                 if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
 183                 {
 184                         $aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
 185                         $_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
 186                 }
 187                 if (isset($_GET['viewbox']) && $_GET['viewbox'])
 188                 {
 189                         $aCoOrdinates = explode(',',$_GET['viewbox']);
 190                         $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 191                         $fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
 192                         $fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
 193                         $aCoOrdinates[0] += $fHeight;
 194                         $aCoOrdinates[2] -= $fHeight;
 195                         $aCoOrdinates[1] += $fWidth;
 196                         $aCoOrdinates[3] -= $fWidth;
 197                         $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 198                 }
 199                 else
 200                 {
 201                         $bBoundingBoxSearch = false;
 202                 }
 203                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
 204                 {
 205                         $aPoints = explode(',',$_GET['route']);
 206                         if (sizeof($aPoints) % 2 != 0)
 207                         {
 208                                 userError("Uneven number of points");
 209                                 exit;
 210                         }
 211                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
 212                         $fPrevCoord = false;
 213                         foreach($aPoints as $i => $fPoint)
 214                         {
 215                                 if ($i%2)
 216                                 {
 217                                         if ($i != 1) $sViewboxCentreSQL .= ",";
 218                                         $sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
 219                                 }
 220                                 else
 221                                 {
 222                                         $fPrevCoord = (float)$fPoint;
 223                                 }
 224                         }
 225                         $sViewboxCentreSQL .= ")'::geometry,4326)";
 226
 227                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
 228                         $sViewboxSmallSQL = $oDB->getOne($sSQL);
 229                         if (PEAR::isError($sViewboxSmallSQL))
 230                         {
 231                                 failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
 232                         }
 233                         $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 234
 235                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
 236                         $sViewboxLargeSQL = $oDB->getOne($sSQL);
 237                         if (PEAR::isError($sViewboxLargeSQL))
 238                         {
 239                                 failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
 240                         }
 241                         $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
 242                         $bBoundingBoxSearch = true;
 243                 }
 244
 245                 // Do we have anything that looks like a lat/lon pair?
 246                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
 247                 {
 248                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 249                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 250                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 251                         {
 252                                 $_GET['nearlat'] = $fQueryLat;
 253                                 $_GET['nearlon'] = $fQueryLon;
 254                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 255                         }
 256                 }
 257                 elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
 258                 {
 259                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 260                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 261                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 262                         {
 263                                 $_GET['nearlat'] = $fQueryLat;
 264                                 $_GET['nearlon'] = $fQueryLon;
 265                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 266                         }
 267                 }
 268                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))
 269                 {
 270                         $fQueryLat = $aData[2];
 271                         $fQueryLon = $aData[3];
 272                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 273                         {
 274                                 $_GET['nearlat'] = $fQueryLat;
 275                                 $_GET['nearlon'] = $fQueryLon;
 276                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 277                         }
 278                 }
 279
 280                 if ($sQuery || $aStructuredQuery)
 281                 {
 282                         // Start with a blank search
 283                         $aSearches = array(
 284                                 array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(), 'aFullNameAddress'=>array(),
 285                                       'aNameNonSearch'=>array(), 'aAddressNonSearch'=>array(),
 286                                       'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
 287                         );
 288
 289                         $sNearPointSQL = false;
 290                         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
 291                         {
 292                                 $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".(float)$_GET['nearlat']."),4326)";
 293                                 $aSearches[0]['fLat'] = (float)$_GET['nearlat'];
 294                                 $aSearches[0]['fLon'] = (float)$_GET['nearlon'];
 295                                 $aSearches[0]['fRadius'] = 0.1;
 296                         }
 297
 298                         $bSpecialTerms = false;
 299                         preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 300                         $aSpecialTerms = array();
 301                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 302                         {
 303                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 304                                 $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
 305                         }
 306
 307                         preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 308                         $aSpecialTerms = array();
 309                         if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
 310                         {
 311                                 $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
 312                                 unset($aStructuredQuery['amenity']);
 313                         }
 314                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 315                         {
 316                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 317                                 $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
 318                                 $sSQL = 'select * from (select word_id,word_token, word, class, type, country_code, operator';
 319                                 $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
 320                                 if (CONST_Debug) var_Dump($sSQL);
 321                                 $aSearchWords = $oDB->getAll($sSQL);
 322                                 $aNewSearches = array();
 323                                 foreach($aSearches as $aSearch)
 324                                 {
 325                                         foreach($aSearchWords as $aSearchTerm)
 326                                         {
 327                                                 $aNewSearch = $aSearch;
 328                                                 if ($aSearchTerm['country_code'])
 329                                                 {
 330                                                         $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 331                                                         $aNewSearches[] = $aNewSearch;
 332                                                         $bSpecialTerms = true;
 333                                                 }
 334                                                 if ($aSearchTerm['class'])
 335                                                 {
 336                                                         $aNewSearch['sClass'] = $aSearchTerm['class'];
 337                                                         $aNewSearch['sType'] = $aSearchTerm['type'];
 338                                                         $aNewSearches[] = $aNewSearch;
 339                                                         $bSpecialTerms = true;
 340                                                 }
 341                                         }
 342                                 }
 343                                 $aSearches = $aNewSearches;
 344                         }
 345
 346                         // Split query into phrases
 347                         // Commas are used to reduce the search space by indicating where phrases split
 348                         if (sizeof($aStructuredQuery) > 0)
 349                         {
 350                                 $aPhrases = $aStructuredQuery;
 351                                 $bStructuredPhrases = true;
 352                         }
 353                         else
 354                         {
 355                                 $aPhrases = explode(',',$sQuery);
 356                                 $bStructuredPhrases = false;
 357                         }
 358
 359
 360                         // Convert each phrase to standard form
 361                         // Create a list of standard words
 362                         // Get all 'sets' of words
 363                         // Generate a complete list of all
 364                         $aTokens = array();
 365                         foreach($aPhrases as $iPhrase => $sPhrase)
 366                         {
 367                                 $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
 368                                 if (PEAR::isError($aPhrase))
 369                                 {
 370                                         userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
 371                                         if (CONST_Debug) var_dump($aPhrase);
 372                                         exit;
 373                                 }
 374                                 if (trim($aPhrase['string']))
 375                                 {
 376                                         $aPhrases[$iPhrase] = $aPhrase;
 377                                         $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
 378                                         $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words'], 0);
 379                                         $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
 380                                 }
 381                                 else
 382                                 {
 383                                         unset($aPhrases[$iPhrase]);
 384                                 }
 385                         }
 386
 387                         // reindex phrases - we make assumptions later on
 388                         $aPhraseTypes = array_keys($aPhrases);
 389                         $aPhrases = array_values($aPhrases);
 390
 391                         if (sizeof($aTokens))
 392                         {
 393
 394                                 // Check which tokens we have, get the ID numbers
 395                                 $sSQL = 'select word_id,word_token, word, class, type, country_code, operator, search_name_count';
 396                                 $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
 397                                 //$sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
 398                                 //$sSQL .= ' group by word_token, word, class, type, country_code';
 399
 400                                 if (CONST_Debug) var_Dump($sSQL);
 401
 402                                 $aValidTokens = array();
 403                                 if (sizeof($aTokens)) $aDatabaseWords = $oDB->getAll($sSQL);
 404                                 else $aDatabaseWords = array();
 405                                 if (PEAR::IsError($aDatabaseWords))
 406                                 {
 407                                         failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
 408                                 }
 409                                 $aPossibleMainWordIDs = array();
 410                                 $aWordFrequencyScores = array();
 411                                 foreach($aDatabaseWords as $aToken)
 412                                 {
 413                                         // Very special case - require 2 letter country param to match the country code found
 414                                         if ($bStructuredPhrases && $aToken['country_code'] && !empty($aStructuredQuery['country'])
 415                                                         && strlen($aStructuredQuery['country']) == 2 && strtolower($aStructuredQuery['country']) != $aToken['country_code'])
 416                                         {
 417                                                 continue;
 418                                         }
 419
 420                                         if (isset($aValidTokens[$aToken['word_token']]))
 421                                         {
 422                                                 $aValidTokens[$aToken['word_token']][] = $aToken;
 423                                         }
 424                                         else
 425                                         {
 426                                                 $aValidTokens[$aToken['word_token']] = array($aToken);
 427                                         }
 428                                         if (!$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
 429                                         $aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;
 430                                 }
 431                                 if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 432
 433                                 // Try and calculate GB postcodes we might be missing
 434                                 foreach($aTokens as $sToken)
 435                                 {
 436                                         // Source of gb postcodes is now definitive - always use
 437                                         if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
 438                                         {
 439                                                 if (substr($aData[1],-2,1) != ' ')
 440                                                 {
 441                                                         $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
 442                                                         $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
 443                                                 }
 444                                                 $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
 445                                                 if ($aGBPostcodeLocation)
 446                                                 {
 447                                                         $aValidTokens[$sToken] = $aGBPostcodeLocation;
 448                                                 }
 449                                         }
 450                                 }
 451
 452                                 foreach($aTokens as $sToken)
 453                                 {
 454                                         // Unknown single word token with a number - assume it is a house number
 455                                         if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
 456                                         {
 457                                                 $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
 458                                         }
 459                                 }
 460
 461                                 // Any words that have failed completely?
 462                                 // TODO: suggestions
 463
 464                                 // Start the search process
 465                                 $aResultPlaceIDs = array();
 466
 467                                 /*
 468                                    Calculate all searches using aValidTokens i.e.
 469
 470                                    'Wodsworth Road, Sheffield' =>
 471
 472                                    Phrase Wordset
 473                                    0      0       (wodsworth road)
 474                                    0      1       (wodsworth)(road)
 475                                    1      0       (sheffield)
 476
 477                                    Score how good the search is so they can be ordered
 478                                  */
 479                                 foreach($aPhrases as $iPhrase => $sPhrase)
 480                                 {
 481                                         $aNewPhraseSearches = array();
 482                                         if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
 483                                         else $sPhraseType = '';
 484
 485                                         foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
 486                                         {
 487                                                 $aWordsetSearches = $aSearches;
 488
 489                                                 // Add all words from this wordset
 490                                                 foreach($aWordset as $iToken => $sToken)
 491                                                 {
 492                                                         //echo "<br><b>$sToken</b>";
 493                                                         $aNewWordsetSearches = array();
 494
 495                                                         foreach($aWordsetSearches as $aCurrentSearch)
 496                                                         {
 497                                                                 //echo "<i>";
 498                                                                 //var_dump($aCurrentSearch);
 499                                                                 //echo "</i>";
 500
 501                                                                 // If the token is valid
 502                                                                 if (isset($aValidTokens[' '.$sToken]))
 503                                                                 {
 504                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
 505                                                                         {
 506                                                                                 $aSearch = $aCurrentSearch;
 507                                                                                 $aSearch['iSearchRank']++;
 508                                                                                 if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0')
 509                                                                                 {
 510                                                                                         if ($aSearch['sCountryCode'] === false)
 511                                                                                         {
 512                                                                                                 $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 513                                                                                                 // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
 514                                                                                                 // If reverse order is enabled, it may appear at the beginning as well.
 515                                                                                                 if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) &&
 516                                                                                                                 (!$bReverseInPlan || $iToken > 0 || $iPhrase > 0))
 517                                                                                                 {
 518                                                                                                         $aSearch['iSearchRank'] += 5;
 519                                                                                                 }
 520                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 521                                                                                         }
 522                                                                                 }
 523                                                                                 elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
 524                                                                                 {
 525                                                                                         if ($aSearch['fLat'] === '')
 526                                                                                         {
 527                                                                                                 $aSearch['fLat'] = $aSearchTerm['lat'];
 528                                                                                                 $aSearch['fLon'] = $aSearchTerm['lon'];
 529                                                                                                 $aSearch['fRadius'] = $aSearchTerm['radius'];
 530                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 531                                                                                         }
 532                                                                                 }
 533                                                                                 elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
 534                                                                                 {
 535                                                                                         if ($aSearch['sHouseNumber'] === '')
 536                                                                                         {
 537                                                                                                 $aSearch['sHouseNumber'] = $sToken;
 538                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 539                                                                                                 /*
 540                                                                                                 // Fall back to not searching for this item (better than nothing)
 541                                                                                                 $aSearch = $aCurrentSearch;
 542                                                                                                 $aSearch['iSearchRank'] += 1;
 543                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 544                                                                                                  */
 545                                                                                         }
 546                                                                                 }
 547                                                                                 elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
 548                                                                                 {
 549                                                                                         if ($aSearch['sClass'] === '')
 550                                                                                         {
 551                                                                                                 $aSearch['sOperator'] = $aSearchTerm['operator'];
 552                                                                                                 $aSearch['sClass'] = $aSearchTerm['class'];
 553                                                                                                 $aSearch['sType'] = $aSearchTerm['type'];
 554                                                                                                 if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
 555                                                                                                 else $aSearch['sOperator'] = 'near'; // near = in for the moment
 556
 557                                                                                                 // Do we have a shortcut id?
 558                                                                                                 if ($aSearch['sOperator'] == 'name')
 559                                                                                                 {
 560                                                                                                         $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
 561                                                                                                         if ($iAmenityID = $oDB->getOne($sSQL))
 562                                                                                                         {
 563                                                                                                                 $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
 564                                                                                                                 $aSearch['aName'][$iAmenityID] = $iAmenityID;
 565                                                                                                                 $aSearch['sClass'] = '';
 566                                                                                                                 $aSearch['sType'] = '';
 567                                                                                                         }
 568                                                                                                 }
 569                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 570                                                                                         }
 571                                                                                 }
 572                                                                                 elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 573                                                                                 {
 574                                                                                         if (sizeof($aSearch['aName']))
 575                                                                                         {
 576                                                                                                 if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
 577                                                                                                 {
 578                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 579                                                                                                 }
 580                                                                                                 else
 581                                                                                                 {
 582                                                                                                         $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 583                                                                                                         $aSearch['iSearchRank'] += 1000; // skip;
 584                                                                                                 }
 585                                                                                         }
 586                                                                                         else
 587                                                                                         {
 588                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 589                                                                                                 //$aSearch['iNamePhrase'] = $iPhrase;
 590                                                                                         }
 591                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 592                                                                                 }
 593                                                                         }
 594                                                                 }
 595                                                                 if (isset($aValidTokens[$sToken]))
 596                                                                 {
 597                                                                         // Allow searching for a word - but at extra cost
 598                                                                         foreach($aValidTokens[$sToken] as $aSearchTerm)
 599                                                                         {
 600                                                                                 if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 601                                                                                 {
 602                                                                                         if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
 603                                                                                         {
 604                                                                                                 $aSearch = $aCurrentSearch;
 605                                                                                                 $aSearch['iSearchRank'] += 1;
 606                                                                                                 if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
 607                                                                                                 {
 608                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 609                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 610                                                                                                 }
 611                                                                                                 elseif (isset($aValidTokens[' '.$sToken])) // revert to the token version?
 612                                                                                                 {
 613                                                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTermToken)
 614                                                                                                         {
 615                                                                                                                 if (empty($aSearchTermToken['country_code'])
 616                                                                                                                                 && empty($aSearchTermToken['lat'])
 617                                                                                                                                 && empty($aSearchTermToken['class']))
 618                                                                                                                 {
 619                                                                                                                         $aSearch = $aCurrentSearch;
 620                                                                                                                         $aSearch['iSearchRank'] += 1;
 621                                                                                                                         $aSearch['aAddress'][$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
 622                                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 623                                                                                                                 }
 624                                                                                                         }
 625                                                                                                 }
 626                                                                                                 else
 627                                                                                                 {
 628                                                                                                         $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 629                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 630                                                                                                 }
 631                                                                                         }
 632
 633                                                                                         if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
 634                                                                                         {
 635                                                                                                 $aSearch = $aCurrentSearch;
 636                                                                                                 $aSearch['iSearchRank'] += 2;
 637                                                                                                 if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
 638                                                                                                 if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
 639                                                                                                         $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 640                                                                                                 else
 641                                                                                                         $aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 642                                                                                                 $aSearch['iNamePhrase'] = $iPhrase;
 643                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 644                                                                                         }
 645                                                                                 }
 646                                                                         }
 647                                                                 }
 648                                                                 else
 649                                                                 {
 650                                                                         // Allow skipping a word - but at EXTREAM cost
 651                                                                         //$aSearch = $aCurrentSearch;
 652                                                                         //$aSearch['iSearchRank']+=100;
 653                                                                         //$aNewWordsetSearches[] = $aSearch;
 654                                                                 }
 655                                                         }
 656                                                         // Sort and cut
 657                                                         usort($aNewWordsetSearches, 'bySearchRank');
 658                                                         $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
 659                                                 }
 660                                                 //var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
 661
 662                                                 $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
 663                                                 usort($aNewPhraseSearches, 'bySearchRank');
 664
 665                                                 $aSearchHash = array();
 666                                                 foreach($aNewPhraseSearches as $iSearch => $aSearch)
 667                                                 {
 668                                                         $sHash = serialize($aSearch);
 669                                                         if (isset($aSearchHash[$sHash])) unset($aNewPhraseSearches[$iSearch]);
 670                                                         else $aSearchHash[$sHash] = 1;
 671                                                 }
 672
 673                                                 $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
 674                                         }
 675
 676                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 677                                         $aGroupedSearches = array();
 678                                         foreach($aNewPhraseSearches as $aSearch)
 679                                         {
 680                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 681                                                 {
 682                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 683                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 684                                                 }
 685                                         }
 686                                         ksort($aGroupedSearches);
 687
 688                                         $iSearchCount = 0;
 689                                         $aSearches = array();
 690                                         foreach($aGroupedSearches as $iScore => $aNewSearches)
 691                                         {
 692                                                 $iSearchCount += sizeof($aNewSearches);
 693                                                 $aSearches = array_merge($aSearches, $aNewSearches);
 694                                                 if ($iSearchCount > 50) break;
 695                                         }
 696
 697                                         //if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 698
 699                                 }
 700                         }
 701                         else
 702                         {
 703                                 // Re-group the searches by their score, junk anything over 20 as just not worth trying
 704                                 $aGroupedSearches = array();
 705                                 foreach($aSearches as $aSearch)
 706                                 {
 707                                         if ($aSearch['iSearchRank'] < $iMaxRank)
 708                                         {
 709                                                 if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 710                                                 $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 711                                         }
 712                                 }
 713                                 ksort($aGroupedSearches);
 714                         }
 715
 716                         if (CONST_Debug) var_Dump($aGroupedSearches);
 717
 718                         if ($bReverseInPlan)
 719                         {
 720                                 $aCopyGroupedSearches = $aGroupedSearches;
 721                                 foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 722                                 {
 723                                         foreach($aSearches as $iSearch => $aSearch)
 724                                         {
 725                                                 if (sizeof($aSearch['aAddress']))
 726                                                 {
 727                                                         $iReverseItem = array_pop($aSearch['aAddress']);
 728                                                         if (isset($aPossibleMainWordIDs[$iReverseItem]))
 729                                                         {
 730                                                                 $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
 731                                                                 $aSearch['aName'] = array($iReverseItem);
 732                                                                 $aGroupedSearches[$iGroup][] = $aSearch;
 733                                                         }
 734                                                         //$aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 735                                                         //$aGroupedSearches[$iGroup][] = $aReverseSearch;
 736                                                 }
 737                                         }
 738                                 }
 739                         }
 740
 741                         if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
 742                         {
 743                                 $aCopyGroupedSearches = $aGroupedSearches;
 744                                 foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 745                                 {
 746                                         foreach($aSearches as $iSearch => $aSearch)
 747                                         {
 748                                                 $aReductionsList = array($aSearch['aAddress']);
 749                                                 $iSearchRank = $aSearch['iSearchRank'];
 750                                                 while(sizeof($aReductionsList) > 0)
 751                                                 {
 752                                                         $iSearchRank += 5;
 753                                                         if ($iSearchRank > iMaxRank) break 3;
 754                                                         $aNewReductionsList = array();
 755                                                         foreach($aReductionsList as $aReductionsWordList)
 756                                                         {
 757                                                                 for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
 758                                                                 {
 759                                                                         $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
 760                                                                         $aReverseSearch = $aSearch;
 761                                                                         $aSearch['aAddress'] = $aReductionsWordListResult;
 762                                                                         $aSearch['iSearchRank'] = $iSearchRank;
 763                                                                         $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
 764                                                                         if (sizeof($aReductionsWordListResult) > 0)
 765                                                                         {
 766                                                                                 $aNewReductionsList[] = $aReductionsWordListResult;
 767                                                                         }
 768                                                                 }
 769                                                         }
 770                                                         $aReductionsList = $aNewReductionsList;
 771                                                 }
 772                                         }
 773                                 }
 774                                 ksort($aGroupedSearches);
 775                         }
 776
 777                         // Filter out duplicate searches
 778                         $aSearchHash = array();
 779                         foreach($aGroupedSearches as $iGroup => $aSearches)
 780                         {
 781                                 foreach($aSearches as $iSearch => $aSearch)
 782                                 {
 783                                         $sHash = serialize($aSearch);
 784                                         if (isset($aSearchHash[$sHash]))
 785                                         {
 786                                                 unset($aGroupedSearches[$iGroup][$iSearch]);
 787                                                 if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 788                                         }
 789                                         else
 790                                         {
 791                                                 $aSearchHash[$sHash] = 1;
 792                                         }
 793                                 }
 794                         }
 795
 796                         if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 797
 798                         $iGroupLoop = 0;
 799                         $iQueryLoop = 0;
 800                         foreach($aGroupedSearches as $iGroupedRank => $aSearches)
 801                         {
 802                                 $iGroupLoop++;
 803                                 foreach($aSearches as $aSearch)
 804                                 {
 805                                         $iQueryLoop++;
 806
 807                                         if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
 808                                         if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 809
 810
 811                                         // Must have a location term
 812                                         if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
 813                                         {
 814                                                 if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
 815                                                 {
 816                                                         if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
 817                                                         {
 818                                                                 $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
 819                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 820                                                                 $sSQL .= " order by st_area(geometry) desc limit 1";
 821                                                                 if (CONST_Debug) var_dump($sSQL);
 822                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 823                                                         }
 824                                                 }
 825                                                 else
 826                                                 {
 827                                                         if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
 828                                                         if (!$aSearch['sClass']) continue;
 829                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 830                                                         if ($oDB->getOne($sSQL))
 831                                                         {
 832                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 833                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 834                                                                 $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
 835                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 836                                                                 if (sizeof($aExcludePlaceIDs))
 837                                                                 {
 838                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 839                                                                 }
 840                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 841                                                                 $sSQL .= " limit $iLimit";
 842                                                                 if (CONST_Debug) var_dump($sSQL);
 843                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 844
 845                                                                 // If excluded place IDs are given, it is fair to assume that
 846                                                                 // there have been results in the small box, so no further
 847                                                                 // expansion in that case.
 848                                                                 if (!sizeof($aPlaceIDs) && !sizeof($aExcludePlaceIDs))
 849                                                                 {
 850                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 851                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 852                                                                         $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
 853                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 854                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 855                                                                         $sSQL .= " limit $iLimit";
 856                                                                         if (CONST_Debug) var_dump($sSQL);
 857                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 858                                                                 }
 859                                                         }
 860                                                         else
 861                                                         {
 862                                                                 $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 863                                                                 $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
 864                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
 865                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 866                                                                 $sSQL .= " limit $iLimit";
 867                                                                 if (CONST_Debug) var_dump($sSQL);
 868                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 869                                                         }
 870                                                 }
 871                                         }
 872                                         else
 873                                         {
 874                                                 $aPlaceIDs = array();
 875
 876                                                 // First we need a position, either aName or fLat or both
 877                                                 $aTerms = array();
 878                                                 $aOrder = array();
 879
 880                                                 // TODO: filter out the pointless search terms (2 letter name tokens and less)
 881                                                 // they might be right - but they are just too darned expensive to run
 882                                                 if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
 883                                                 if (sizeof($aSearch['aNameNonSearch'])) $aTerms[] = "array_cat(name_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aNameNonSearch'],",")."]";
 884                                                 if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress'])
 885                                                 {
 886                                                         // For infrequent name terms disable index usage for address
 887                                                         if (CONST_Search_NameOnlySearchFrequencyThreshold &&
 888                                                                         sizeof($aSearch['aName']) == 1 &&
 889                                                                         $aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold)
 890                                                         {
 891                                                                 $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join(array_merge($aSearch['aAddress'],$aSearch['aAddressNonSearch']),",")."]";
 892                                                         }
 893                                                         else
 894                                                         {
 895                                                                 $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
 896                                                                 if (sizeof($aSearch['aAddressNonSearch'])) $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddressNonSearch'],",")."]";
 897                                                         }
 898                                                 }
 899                                                 if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
 900                                                 if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank between 16 and 27";
 901                                                 if ($aSearch['fLon'] && $aSearch['fLat'])
 902                                                 {
 903                                                         $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
 904                                                         $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
 905                                                 }
 906                                                 if (sizeof($aExcludePlaceIDs))
 907                                                 {
 908                                                         $aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
 909                                                 }
 910                                                 if ($sCountryCodesSQL)
 911                                                 {
 912                                                         $aTerms[] = "country_code in ($sCountryCodesSQL)";
 913                                                 }
 914
 915                                                 if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
 916                                                 if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 917
 918                                                 $sImportanceSQL = '(case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end)';
 919                                                 if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
 920                                                 if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
 921                                                 $aOrder[] = "$sImportanceSQL DESC";
 922                                                 if (sizeof($aSearch['aFullNameAddress']))
 923                                                         $aOrder[] = '(select count(*) from (select unnest(ARRAY['.join($aSearch['aFullNameAddress'],",").']) INTERSECT select unnest(nameaddress_vector))s) DESC';
 924
 925                                                 if (sizeof($aTerms))
 926                                                 {
 927                                                         $sSQL = "select place_id";
 928                                                         $sSQL .= " from search_name";
 929                                                         $sSQL .= " where ".join(' and ',$aTerms);
 930                                                         $sSQL .= " order by ".join(', ',$aOrder);
 931                                                         if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
 932                                                                 $sSQL .= " limit 50";
 933                                                         elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
 934                                                                 $sSQL .= " limit 1";
 935                                                         else
 936                                                                 $sSQL .= " limit ".$iLimit;
 937
 938                                                         if (CONST_Debug) { var_dump($sSQL); }
 939                                                         $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
 940                                                         if (PEAR::IsError($aViewBoxPlaceIDs))
 941                                                         {
 942                                                                 failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
 943                                                         }
 944                                                         //var_dump($aViewBoxPlaceIDs);
 945                                                         // Did we have an viewbox matches?
 946                                                         $aPlaceIDs = array();
 947                                                         $bViewBoxMatch = false;
 948                                                         foreach($aViewBoxPlaceIDs as $aViewBoxRow)
 949                                                         {
 950                                                                 //if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
 951                                                                 //if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
 952                                                                 //if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
 953                                                                 //else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
 954                                                                 $aPlaceIDs[] = $aViewBoxRow['place_id'];
 955                                                         }
 956                                                 }
 957                                                 //var_Dump($aPlaceIDs);
 958                                                 //exit;
 959
 960                                                 if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
 961                                                 {
 962                                                         $aRoadPlaceIDs = $aPlaceIDs;
 963                                                         $sPlaceIDs = join(',',$aPlaceIDs);
 964
 965                                                         // Now they are indexed look for a house attached to a street we found
 966                                                         $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';
 967                                                         $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
 968                                                         if (sizeof($aExcludePlaceIDs))
 969                                                         {
 970                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 971                                                         }
 972                                                         $sSQL .= " limit $iLimit";
 973                                                         if (CONST_Debug) var_dump($sSQL);
 974                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 975
 976                                                         // If not try the aux fallback table
 977                                                         if (!sizeof($aPlaceIDs))
 978                                                         {
 979                                                                 $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 980                                                                 if (sizeof($aExcludePlaceIDs))
 981                                                                 {
 982                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 983                                                                 }
 984                                                                 //$sSQL .= " limit $iLimit";
 985                                                                 if (CONST_Debug) var_dump($sSQL);
 986                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 987                                                         }
 988
 989                                                         if (!sizeof($aPlaceIDs))
 990                                                         {
 991                                                                 $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 992                                                                 if (sizeof($aExcludePlaceIDs))
 993                                                                 {
 994                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 995                                                                 }
 996                                                                 //$sSQL .= " limit $iLimit";
 997                                                                 if (CONST_Debug) var_dump($sSQL);
 998                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 999                                                         }
1000
1001                                                         // Fallback to the road
1002                                                         if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
1003                                                         {
1004                                                                 $aPlaceIDs = $aRoadPlaceIDs;
1005                                                         }
1006
1007                                                 }
1008
1009                                                 if ($aSearch['sClass'] && sizeof($aPlaceIDs))
1010                                                 {
1011                                                         $sPlaceIDs = join(',',$aPlaceIDs);
1012                                                         $aClassPlaceIDs = array();
1013
1014                                                         if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
1015                                                         {
1016                                                                 // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
1017                                                                 $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
1018                                                                 $sSQL .= " and linked_place_id is null";
1019                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
1020                                                                 $sSQL .= " order by rank_search asc limit $iLimit";
1021                                                                 if (CONST_Debug) var_dump($sSQL);
1022                                                                 $aClassPlaceIDs = $oDB->getCol($sSQL);
1023                                                         }
1024
1025                                                         if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
1026                                                         {
1027                                                                 $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
1028                                                                 $bCacheTable = $oDB->getOne($sSQL);
1029
1030                                                                 $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
1031
1032                                                                 if (CONST_Debug) var_dump($sSQL);
1033                                                                 $iMaxRank = ((int)$oDB->getOne($sSQL));
1034
1035                                                                 // For state / country level searches the normal radius search doesn't work very well
1036                                                                 $sPlaceGeom = false;
1037                                                                 if ($iMaxRank < 9 && $bCacheTable)
1038                                                                 {
1039                                                                         // Try and get a polygon to search in instead
1040                                                                         $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
1041                                                                         if (CONST_Debug) var_dump($sSQL);
1042                                                                         $sPlaceGeom = $oDB->getOne($sSQL);
1043                                                                 }
1044
1045                                                                 if ($sPlaceGeom)
1046                                                                 {
1047                                                                         $sPlaceIDs = false;
1048                                                                 }
1049                                                                 else
1050                                                                 {
1051                                                                         $iMaxRank += 5;
1052                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
1053                                                                         if (CONST_Debug) var_dump($sSQL);
1054                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
1055                                                                         $sPlaceIDs = join(',',$aPlaceIDs);
1056                                                                 }
1057
1058                                                                 if ($sPlaceIDs || $sPlaceGeom)
1059                                                                 {
1060
1061                                                                         $fRange = 0.01;
1062                                                                         if ($bCacheTable)
1063                                                                         {
1064                                                                                 // More efficient - can make the range bigger
1065                                                                                 $fRange = 0.05;
1066
1067                                                                                 $sOrderBySQL = '';
1068                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
1069                                                                                 else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
1070                                                                                 else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
1071
1072                                                                                 $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
1073                                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
1074                                                                                 if ($sPlaceIDs)
1075                                                                                 {
1076                                                                                         $sSQL .= ",placex as f where ";
1077                                                                                         $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
1078                                                                                 }
1079                                                                                 if ($sPlaceGeom)
1080                                                                                 {
1081                                                                                         $sSQL .= " where ";
1082                                                                                         $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
1083                                                                                 }
1084                                                                                 if (sizeof($aExcludePlaceIDs))
1085                                                                                 {
1086                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1087                                                                                 }
1088                                                                                 if ($sCountryCodesSQL) $sSQL .= " and lp.calculated_country_code in ($sCountryCodesSQL)";
1089                                                                                 if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
1090                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1091                                                                                 $sSQL .= " limit $iLimit";
1092                                                                                 if (CONST_Debug) var_dump($sSQL);
1093                                                                                 $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
1094                                                                         }
1095                                                                         else
1096                                                                         {
1097                                                                                 if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
1098
1099                                                                                 $sOrderBySQL = '';
1100                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
1101                                                                                 else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
1102
1103                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
1104                                                                                 $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, f.centroid, $fRange) ";
1105                                                                                 $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
1106                                                                                 if (sizeof($aExcludePlaceIDs))
1107                                                                                 {
1108                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1109                                                                                 }
1110                                                                                 if ($sCountryCodesSQL) $sSQL .= " and l.calculated_country_code in ($sCountryCodesSQL)";
1111                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1112                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1113                                                                                 $sSQL .= " limit $iLimit";
1114                                                                                 if (CONST_Debug) var_dump($sSQL);
1115                                                                                 $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
1116                                                                         }
1117                                                                 }
1118                                                         }
1119
1120                                                         $aPlaceIDs = $aClassPlaceIDs;
1121
1122                                                 }
1123
1124                                         }
1125
1126                                         if (PEAR::IsError($aPlaceIDs))
1127                                         {
1128                                                 failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
1129                                         }
1130
1131                                         if (CONST_Debug) { echo "<br><b>Place IDs:</b> "; var_Dump($aPlaceIDs); }
1132
1133                                         foreach($aPlaceIDs as $iPlaceID)
1134                                         {
1135                                                 $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
1136                                         }
1137                                         if ($iQueryLoop > 20) break;
1138                                 }
1139
1140                                 //exit;
1141                                 if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
1142                                 if ($iGroupLoop > 4) break;
1143                                 if ($iQueryLoop > 30) break;
1144                         }
1145
1146                         // Did we find anything?
1147                         if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))
1148                         {
1149                                 //var_Dump($aResultPlaceIDs);exit;
1150                                 // Get the details for display (is this a redundant extra step?)
1151                                 $sPlaceIDs = join(',',$aResultPlaceIDs);
1152                                 $sOrderSQL = 'CASE ';
1153                                 foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1154                                 {
1155                                         $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1156                                 }
1157                                 $sOrderSQL .= ' ELSE 10000000 END';
1158                                 $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
1159                                 $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1160                                 $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1161                                 $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1162                                 $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1163                                 //$sSQL .= $sOrderSQL." as porder, ";
1164                                 $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
1165                                 $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(placex.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1166                                 $sSQL .= "(extratags->'place') as extra_place ";
1167                                 $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1168                                 $sSQL .= "and (placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1169                                 if (14 >= $iMinAddressRank && 14 <= $iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
1170                                 $sSQL .= ") ";
1171                                 if ($sAllowedTypesSQLList) $sSQL .= "and placex.class in $sAllowedTypesSQLList ";
1172                                 $sSQL .= "and linked_place_id is null ";
1173                                 $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
1174                                 if (!$bDeDupe) $sSQL .= ",place_id";
1175                                 $sSQL .= ",langaddress ";
1176                                 $sSQL .= ",placename ";
1177                                 $sSQL .= ",ref ";
1178                                 $sSQL .= ",extratags->'place' ";
1179                                 $sSQL .= " union ";
1180                                 $sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
1181                                 $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1182                                 $sSQL .= "null as placename,";
1183                                 $sSQL .= "null as ref,";
1184                                 $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1185                                 //$sSQL .= $sOrderSQL." as porder, ";
1186                                 $sSQL .= "-0.15 as importance, ";
1187                                 $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_tiger.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1188                                 $sSQL .= "null as extra_place ";
1189                                 $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1190                                 $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1191                                 $sSQL .= "group by place_id";
1192                                 if (!$bDeDupe) $sSQL .= ",place_id";
1193                                 $sSQL .= " union ";
1194                                 $sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
1195                                 $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1196                                 $sSQL .= "null as placename,";
1197                                 $sSQL .= "null as ref,";
1198                                 $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1199                                 //$sSQL .= $sOrderSQL." as porder, ";
1200                                 $sSQL .= "-0.10 as importance, ";
1201                                 $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_aux.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1202                                 $sSQL .= "null as extra_place ";
1203                                 $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1204                                 $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1205                                 $sSQL .= "group by place_id";
1206                                 if (!$bDeDupe) $sSQL .= ",place_id";
1207                                 $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1208                                 $sSQL .= "order by importance desc";
1209                                 //$sSQL .= "order by rank_search,rank_address,porder asc";
1210                                 if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }
1211                                 $aSearchResults = $oDB->getAll($sSQL);
1212                                 //var_dump($sSQL,$aSearchResults);exit;
1213
1214                                 if (PEAR::IsError($aSearchResults))
1215                                 {
1216                                         failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
1217                                 }
1218                         }
1219                 } // end if ($sQuery)
1220                 else
1221                 {
1222                         if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
1223                         {
1224                                 $iPlaceID = geocodeReverse((float)$_GET['nearlat'], (float)$_GET['nearlon']);
1225
1226                                 if ($iPlaceID)
1227                                 {
1228                                         $aResultPlaceIDs = array($iPlaceID);
1229                                         // TODO: this needs refactoring!
1230
1231                                         // Get the details for display (is this a redundant extra step?)
1232                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1233                                         $sOrderSQL = 'CASE ';
1234                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1235                                         {
1236                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1237                                         }
1238                                         $sOrderSQL .= ' ELSE 10000000 END';
1239                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
1240                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1241                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1242                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1243                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1244                                         //$sSQL .= $sOrderSQL." as porder, ";
1245                                         $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
1246                                         $sSQL .= "(extratags->'place') as extra_place ";
1247                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1248                                         $sSQL .= "and (placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1249                                         if (14 >= $iMinAddressRank && 14 <= $iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
1250                                         $sSQL .= ") ";
1251                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
1252                                         if (!$bDeDupe) $sSQL .= ",place_id";
1253                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1254                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1255                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1256                                         $sSQL .= ",extratags->'place' ";
1257                                         $sSQL .= " union ";
1258                                         $sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
1259                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1260                                         $sSQL .= "null as placename,";
1261                                         $sSQL .= "null as ref,";
1262                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1263                                         //$sSQL .= $sOrderSQL." as porder, ";
1264                                         $sSQL .= "-0.15 as importance, ";
1265                                         $sSQL .= "null as extra_place ";
1266                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1267                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1268                                         $sSQL .= "group by place_id";
1269                                         if (!$bDeDupe) $sSQL .= ",place_id";
1270                                         $sSQL .= " union ";
1271                                         $sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
1272                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1273                                         $sSQL .= "null as placename,";
1274                                         $sSQL .= "null as ref,";
1275                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1276                                         //$sSQL .= $sOrderSQL." as porder, ";
1277                                         $sSQL .= "-0.10 as importance, ";
1278                                         $sSQL .= "null as extra_place ";
1279                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1280                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1281                                         $sSQL .= "group by place_id";
1282                                         if (!$bDeDupe) $sSQL .= ",place_id";
1283                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1284                                         $sSQL .= "order by importance desc";
1285                                         //$sSQL .= "order by rank_search,rank_address,porder asc";
1286                                         if (CONST_Debug) { echo "<hr>", var_dump($sSQL); }
1287                                         $aSearchResults = $oDB->getAll($sSQL);
1288                                         //var_dump($sSQL,$aSearchResults);exit;
1289
1290                                         if (PEAR::IsError($aSearchResults))
1291                                         {
1292                                                 failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);
1293                                         }
1294                                 }
1295                                 else
1296                                 {
1297                                         $aSearchResults = array();
1298                                 }
1299                         }
1300                 }
1301         }
1302
1303         $sSearchResult = '';
1304         if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
1305         {
1306                 $sSearchResult = 'No Results Found';
1307         }
1308         //var_Dump($aSearchResults);
1309         //exit;
1310         $aClassType = getClassTypesWithImportance();
1311         $aRecheckWords = preg_split('/\b/u',$sQuery);
1312         foreach($aRecheckWords as $i => $sWord)
1313         {
1314                 if (!$sWord) unset($aRecheckWords[$i]);
1315         }
1316         foreach($aSearchResults as $iResNum => $aResult)
1317         {
1318                 if (CONST_Search_AreaPolygons)
1319                 {
1320                         // Get the bounding box and outline polygon
1321                         $sSQL = "select place_id,numfeatures,area,outline,";
1322                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
1323                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";
1324                         $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
1325
1326                         $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
1327                         $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
1328                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
1329                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
1330                         if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
1331                         if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
1332                         if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
1333                         if ($bAsText || $bShowPolygons) $sSQL .= ",ST_AsText(geometry) as astext";
1334                         $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
1335                         $aPointPolygon = $oDB->getRow($sSQL);
1336                         if (PEAR::IsError($aPointPolygon))
1337                         {
1338                                 failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
1339                         }
1340                         if ($aPointPolygon['place_id'])
1341                         {
1342                                 if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
1343                                 if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
1344                                 if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
1345                                 if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
1346
1347                                 if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null )
1348                                 {
1349                                         $aResult['lat'] = $aPointPolygon['centrelat'];
1350                                         $aResult['lon'] = $aPointPolygon['centrelon'];
1351                                 }
1352                                 if ($bShowPolygons)
1353                                 {
1354                                         // Translate geometary string to point array
1355                                         if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1356                                         {
1357                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1358                                         }
1359                                         elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1360                                         {
1361                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1362                                         }
1363                                         elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
1364                                         {
1365                                                 $fRadius = 0.01;
1366                                                 $iSteps = ($fRadius * 40000)^2;
1367                                                 $fStepSize = (2*pi())/$iSteps;
1368                                                 $aPolyPoints = array();
1369                                                 for($f = 0; $f < 2*pi(); $f += $fStepSize)
1370                                                 {
1371                                                         $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
1372                                                 }
1373                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
1374                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
1375                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
1376                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
1377                                         }
1378                                 }
1379
1380                                 // Output data suitable for display (points and a bounding box)
1381                                 if ($bShowPolygons && isset($aPolyPoints))
1382                                 {
1383                                         $aResult['aPolyPoints'] = array();
1384                                         foreach($aPolyPoints as $aPoint)
1385                                         {
1386                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1387                                         }
1388                                 }
1389                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1390                         }
1391                 }
1392
1393                 if ($aResult['extra_place'] == 'city')
1394                 {
1395                         $aResult['class'] = 'place';
1396                         $aResult['type'] = 'city';
1397                         $aResult['rank_search'] = 16;
1398                 }
1399
1400                 if (!isset($aResult['aBoundingBox']))
1401                 {
1402                         // Default
1403                         $fDiameter = 0.0001;
1404
1405                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1406                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1407                         {
1408                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
1409                         }
1410                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1411                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1412                         {
1413                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
1414                         }
1415                         $fRadius = $fDiameter / 2;
1416
1417                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
1418                         $fStepSize = (2*pi())/$iSteps;
1419                         $aPolyPoints = array();
1420                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1421                         {
1422                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
1423                         }
1424                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
1425                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
1426                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
1427                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
1428
1429                         // Output data suitable for display (points and a bounding box)
1430                         if ($bShowPolygons)
1431                         {
1432                                 $aResult['aPolyPoints'] = array();
1433                                 foreach($aPolyPoints as $aPoint)
1434                                 {
1435                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1436                                 }
1437                         }
1438                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1439                 }
1440
1441                 // Is there an icon set for this type of result?
1442                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1443                                 && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1444                 {
1445                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
1446                 }
1447
1448                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1449                                 && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1450                 {
1451                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
1452                 }
1453
1454                 if ($bShowAddressDetails)
1455                 {
1456                         $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
1457                         if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city']))
1458                         {
1459                                 $aResult['address'] = array_merge(array('city' => array_shift(array_values($aResult['address']))), $aResult['address']);
1460                         }
1461
1462                         //var_dump($aResult['address']);
1463                         //exit;
1464                 }
1465
1466                 // Adjust importance for the number of exact string matches in the result
1467                 $aResult['importance'] = max(0.001,$aResult['importance']);
1468                 $iCountWords = 0;
1469                 $sAddress = $aResult['langaddress'];
1470                 foreach($aRecheckWords as $i => $sWord)
1471                 {
1472                         if (stripos($sAddress, $sWord)!==false) $iCountWords++;
1473                 }
1474
1475                 $aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
1476
1477                 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
1478                 /*
1479                    if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1480                    && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1481                    {
1482                    $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'];
1483                    }
1484                    elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1485                    && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1486                    {
1487                    $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
1488                    }
1489                    else
1490                    {
1491                    $aResult['importance'] = 1000000000000000;
1492                    }
1493                  */
1494                 $aResult['name'] = $aResult['langaddress'];
1495                 $aResult['foundorder'] = -$aResult['addressimportance'];
1496                 $aSearchResults[$iResNum] = $aResult;
1497         }
1498         uasort($aSearchResults, 'byImportance');
1499
1500         $aOSMIDDone = array();
1501         $aClassTypeNameDone = array();
1502         $aToFilter = $aSearchResults;
1503         $aSearchResults = array();
1504
1505         $bFirst = true;
1506         foreach($aToFilter as $iResNum => $aResult)
1507         {
1508                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
1509                 $aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
1510                 if ($bFirst)
1511                 {
1512                         $fLat = $aResult['lat'];
1513                         $fLon = $aResult['lon'];
1514                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
1515                         $bFirst = false;
1516                 }
1517                 if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
1518                                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']])))
1519                 {
1520                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
1521                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']] = true;
1522                         $aSearchResults[] = $aResult;
1523                 }
1524
1525                 // Absolute limit on number of results
1526                 if (sizeof($aSearchResults) >= $iFinalLimit) break;
1527         }
1528
1529         $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '2 minutes'::interval,'YYYY/MM/DD HH24:MI')||' GMT' from import_status limit 1");
1530
1531         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
1532         {
1533                 $sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
1534         }
1535
1536         if ($sQuery)
1537         {
1538                 logEnd($oDB, $hLog, sizeof($aToFilter));
1539         }
1540         $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
1541         if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
1542         if ($bShowPolygons) $sMoreURL .= '&polygon=1';
1543         if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
1544         if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
1545         if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
1546         $sMoreURL .= '&q='.urlencode($sQuery);
1547
1548         if (CONST_Debug) exit;
1549
1550         include(CONST_BasePath.'/lib/template/search-'.$sOutputFormat.'.php');