website/search.php

   1 <?php
   2         require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
   3         require_once(CONST_BasePath.'/lib/log.php');
   4
   5         ini_set('memory_limit', '200M');
   6         $oDB =& getDB();
   7
   8         // Display defaults
   9         $fLat = CONST_Default_Lat;
  10         $fLon = CONST_Default_Lon;
  11         $iZoom = CONST_Default_Zoom;
  12         $bBoundingBoxSearch = isset($_GET['bounded'])?(bool)$_GET['bounded']:false;
  13         $sOutputFormat = 'html';
  14         $aSearchResults = array();
  15         $aExcludePlaceIDs = array();
  16         $sCountryCodesSQL = false;
  17         $sSuggestion = $sSuggestionURL = false;
  18         $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
  19         $bReverseInPlan = false;
  20         $iLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
  21         $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
  22         $iMaxRank = 20;
  23         if ($iLimit > 100) $iLimit = 100;
  24         $iMinAddressRank = 0;
  25         $iMaxAddressRank = 30;
  26
  27         // Format for output
  28         if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
  29         {
  30                 $sOutputFormat = $_GET['format'];
  31         }
  32
  33         // Show / use polygons
  34         $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
  35         $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
  36         $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
  37         $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
  38         $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
  39         if ((($bShowPolygons?1:0)
  40            + ($bAsGeoJSON?1:0)
  41            + ($bAsKML?1:0)
  42            + ($bAsSVG?1:0)
  43            + ($bAsText?1:0)
  44                 ) > CONST_PolygonOutput_MaximumTypes) {
  45                 if (CONST_PolygonOutput_MaximumTypes) {
  46                         userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
  47                 } else {
  48                         userError("Polygon output is disabled");
  49                 }
  50                 exit;
  51         }
  52
  53         // Show address breakdown
  54         $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
  55
  56         // Preferred language
  57         $aLangPrefOrder = getPreferredLanguages();
  58         if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
  59         if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
  60         if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
  61
  62         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
  63
  64         if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
  65         {
  66                 foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
  67                 {
  68                         $iExcludedPlaceID = (int)$iExcludedPlaceID;
  69                         if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
  70                 }
  71         }
  72
  73         // Only certain ranks of feature
  74         if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
  75
  76         if (isset($_GET['featuretype']))
  77         {
  78                 switch($_GET['featuretype'])
  79                 {
  80                 case 'country':
  81                         $iMinAddressRank = $iMaxAddressRank = 4;
  82                         break;
  83                 case 'state':
  84                         $iMinAddressRank = $iMaxAddressRank = 8;
  85                         break;
  86                 case 'city':
  87                         $iMinAddressRank = 14;
  88                         $iMaxAddressRank = 16;
  89                         break;
  90                 case 'settlement':
  91                         $iMinAddressRank = 8;
  92                         $iMaxAddressRank = 20;
  93                         break;
  94                 }
  95         }
  96
  97         if (isset($_GET['countrycodes']))
  98         {
  99                 $aCountryCodes = array();
 100                 foreach(explode(',',$_GET['countrycodes']) as $sCountryCode)
 101                 {
 102                         if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
 103                         {
 104                                 $aCountryCodes[] = "'".strtolower($sCountryCode)."'";
 105                         }
 106                 }
 107                 $sCountryCodesSQL = join(',', $aCountryCodes);
 108         }
 109
 110         // Search query
 111         $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
 112         if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')
 113         {
 114                 $sQuery = substr($_SERVER['PATH_INFO'], 1);
 115
 116                 // reverse order of '/' separated string
 117                 $aPhrases = explode('/', $sQuery);
 118                 $aPhrases = array_reverse($aPhrases);
 119                 $sQuery = join(', ',$aPhrases);
 120         }
 121
 122         function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
 123         {
 124                 if (!isset($_GET[$sKey])) return false;
 125                 $sValue = trim($_GET[$sKey]);
 126                 if (!$sValue) return false;
 127                 $aStructuredQuery[$sKey] = $sValue;
 128                 if ($iMinAddressRank == 0 && $iMaxAddressRank == 30) {
 129                         $iMinAddressRank = $iNewMinAddressRank;
 130                         $iMaxAddressRank = $iNewMaxAddressRank;
 131                 }
 132                 return true;
 133         }
 134
 135         // Structured query?
 136         $aStructuredOptions = array(
 137                                 array('amenity', 26, 30),
 138                                 array('street', 26, 30),
 139                                 array('city', 14, 24),
 140                                 array('county', 9, 13),
 141                                 array('state', 8, 8),
 142                                 array('country', 4, 4),
 143                                 array('postalcode', 16, 25),
 144                                 );
 145         $aStructuredQuery = array();
 146         foreach($aStructuredOptions as $aStructuredOption)
 147         {
 148                 loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
 149         }
 150         if (sizeof($aStructuredQuery) > 0) {
 151                 $sQuery = join(', ', $aStructuredQuery);
 152         }
 153
 154         if ($sQuery)
 155         {
 156                 $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
 157
 158                 // Hack to make it handle "new york, ny" (and variants) correctly
 159                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
 160                 if (isset($aLangPrefOrder['name:en']))
 161                 {
 162                         $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
 163                         $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
 164                         $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
 165                 }
 166
 167                 // If we have a view box create the SQL
 168                 // Small is the actual view box, Large is double (on each axis) that
 169                 $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
 170                 if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
 171                 {
 172                         $aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
 173                         $_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
 174                 }
 175                 if (isset($_GET['viewbox']) && $_GET['viewbox'])
 176                 {
 177                         $aCoOrdinates = explode(',',$_GET['viewbox']);
 178                         $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 179                         $fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
 180                         $fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
 181                         $aCoOrdinates[0] += $fHeight;
 182                         $aCoOrdinates[2] -= $fHeight;
 183                         $aCoOrdinates[1] += $fWidth;
 184                         $aCoOrdinates[3] -= $fWidth;
 185                         $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 186                 } else {
 187                         $bBoundingBoxSearch = false;
 188                 }
 189                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
 190                 {
 191                         $aPoints = explode(',',$_GET['route']);
 192                         if (sizeof($aPoints) % 2 != 0)
 193                         {
 194                                 userError("Uneven number of points");
 195                                 exit;
 196                         }
 197                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
 198                         $fPrevCoord = false;
 199                         foreach($aPoints as $i => $fPoint)
 200                         {
 201                                 if ($i%2)
 202                                 {
 203                                         if ($i != 1) $sViewboxCentreSQL .= ",";
 204                                         $sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
 205                                 }
 206                                 else
 207                                 {
 208                                         $fPrevCoord = (float)$fPoint;
 209                                 }
 210                         }
 211                         $sViewboxCentreSQL .= ")'::geometry,4326)";
 212
 213                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
 214                         $sViewboxSmallSQL = $oDB->getOne($sSQL);
 215                         if (PEAR::isError($sViewboxSmallSQL))
 216                         {
 217                                 failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
 218                         }
 219                         $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 220
 221                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
 222                         $sViewboxLargeSQL = $oDB->getOne($sSQL);
 223                         if (PEAR::isError($sViewboxLargeSQL))
 224                         {
 225                                 failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
 226                         }
 227                         $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
 228                 }
 229
 230                 // Do we have anything that looks like a lat/lon pair?
 231                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
 232                 {
 233                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 234                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 235                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 236                         {
 237                                 $_GET['nearlat'] = $fQueryLat;
 238                                 $_GET['nearlon'] = $fQueryLon;
 239                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 240                         }
 241                 }
 242                 elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
 243                 {
 244                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 245                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 246                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 247                         {
 248                                 $_GET['nearlat'] = $fQueryLat;
 249                                 $_GET['nearlon'] = $fQueryLon;
 250                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 251                         }
 252                 }
 253                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))
 254                 {
 255                         $fQueryLat = $aData[2];
 256                         $fQueryLon = $aData[3];
 257                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 258                         {
 259                                 $_GET['nearlat'] = $fQueryLat;
 260                                 $_GET['nearlon'] = $fQueryLon;
 261                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 262                         }
 263                 }
 264
 265                 if ($sQuery || $aStructuredQuery)
 266                 {
 267                         // Start with a blank search
 268                         $aSearches = array(
 269                                 array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(),
 270                                         'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
 271                         );
 272
 273                         $sNearPointSQL = false;
 274                         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
 275                         {
 276                                 $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".$_GET['nearlat']."),4326)";
 277                                 $aSearches[0]['fLat'] = (float)$_GET['nearlat'];
 278                                 $aSearches[0]['fLon'] = (float)$_GET['nearlon'];
 279                                 $aSearches[0]['fRadius'] = 0.1;
 280                         }
 281
 282                         $bSpecialTerms = false;
 283                         preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 284                         $aSpecialTerms = array();
 285                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 286                         {
 287                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 288                                 $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
 289                         }
 290
 291                         preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 292                         $aSpecialTerms = array();
 293                         if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
 294                         {
 295                                 $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
 296                                 unset($aStructuredQuery['amenity']);
 297                         }
 298                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 299                         {
 300                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 301                                 $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
 302                                 $sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';
 303                                 $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
 304                                 if (CONST_Debug) var_Dump($sSQL);
 305                                 $aSearchWords = $oDB->getAll($sSQL);
 306                                 $aNewSearches = array();
 307                                 foreach($aSearches as $aSearch)
 308                                 {
 309                                         foreach($aSearchWords as $aSearchTerm)
 310                                         {
 311                                                 $aNewSearch = $aSearch;
 312                                                 if ($aSearchTerm['country_code'])
 313                                                 {
 314                                                         $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 315                                                         $aNewSearches[] = $aNewSearch;
 316                                                         $bSpecialTerms = true;
 317                                                 }
 318                                                 if ($aSearchTerm['class'])
 319                                                 {
 320                                                         $aNewSearch['sClass'] = $aSearchTerm['class'];
 321                                                         $aNewSearch['sType'] = $aSearchTerm['type'];
 322                                                         $aNewSearches[] = $aNewSearch;
 323                                                         $bSpecialTerms = true;
 324                                                 }
 325                                         }
 326                                 }
 327                                 $aSearches = $aNewSearches;
 328                         }
 329
 330                         // Split query into phrases
 331                         // Commas are used to reduce the search space by indicating where phrases split
 332                         if (sizeof($aStructuredQuery) > 0)
 333                         {
 334                                 $aPhrases = $aStructuredQuery;
 335                                 $bStructuredPhrases = true;
 336                         }
 337                         else
 338                         {
 339                                 $aPhrases = explode(',',$sQuery);
 340                                 $bStructuredPhrases = false;
 341                         }
 342
 343
 344                         // Convert each phrase to standard form
 345                         // Create a list of standard words
 346                         // Get all 'sets' of words
 347                         // Generate a complete list of all
 348                         $aTokens = array();
 349                         foreach($aPhrases as $iPhrase => $sPhrase)
 350                         {
 351                                 $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
 352                                 if (PEAR::isError($aPhrase))
 353                                 {
 354                                         userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
 355                                         if (CONST_Debug) var_dump($aPhrase);
 356                                         exit;
 357                                 }
 358                                 if (trim($aPhrase['string']))
 359                                 {
 360                                         $aPhrases[$iPhrase] = $aPhrase;
 361                                         $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
 362                                         $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words']);
 363                                         $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
 364                                 }
 365                                 else
 366                                 {
 367                                         unset($aPhrases[$iPhrase]);
 368                                 }
 369                         }
 370
 371                         // reindex phrases - we make assumptions later on
 372                         $aPhraseTypes = array_keys($aPhrases);
 373                         $aPhrases = array_values($aPhrases);
 374
 375                         if (sizeof($aTokens))
 376                         {
 377
 378                         // Check which tokens we have, get the ID numbers
 379                         $sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator';
 380                         $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
 381                         $sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
 382 //                      $sSQL .= ' group by word_token, word, class, type, location, country_code';
 383
 384                         if (CONST_Debug) var_Dump($sSQL);
 385
 386                         $aValidTokens = array();
 387                         if (sizeof($aTokens))
 388                                 $aDatabaseWords = $oDB->getAll($sSQL);
 389                         else
 390                                 $aDatabaseWords = array();
 391                         if (PEAR::IsError($aDatabaseWords))
 392                         {
 393                                 failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
 394                         }
 395                         $aPossibleMainWordIDs = array();
 396                         foreach($aDatabaseWords as $aToken)
 397                         {
 398                                 if (isset($aValidTokens[$aToken['word_token']]))
 399                                 {
 400                                         $aValidTokens[$aToken['word_token']][] = $aToken;
 401                                 }
 402                                 else
 403                                 {
 404                                         $aValidTokens[$aToken['word_token']] = array($aToken);
 405                                 }
 406                                 if ($aToken['word_token'][0]==' ' && !$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
 407                         }
 408                         if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 409
 410                         $aSuggestion = array();
 411                         $bSuggestion = false;
 412                         if (CONST_Suggestions_Enabled)
 413                         {
 414                                 foreach($aPhrases as $iPhrase => $aPhrase)
 415                                 {
 416                                         if (!isset($aValidTokens[' '.$aPhrase['wordsets'][0][0]]))
 417                                         {
 418                                                 $sQuotedPhrase = getDBQuoted(' '.$aPhrase['wordsets'][0][0]);
 419                                                 $aSuggestionWords = getWordSuggestions($oDB, $aPhrase['wordsets'][0][0]);
 420                                                 $aRow = $aSuggestionWords[0];
 421                                                 if ($aRow && $aRow['word'])
 422                                                 {
 423                                                         $aSuggestion[] = $aRow['word'];
 424                                                         $bSuggestion = true;
 425                                                 }
 426                                                 else
 427                                                 {
 428                                                         $aSuggestion[] = $aPhrase['string'];
 429                                                 }
 430                                         }
 431                                         else
 432                                         {
 433                                                 $aSuggestion[] = $aPhrase['string'];
 434                                         }
 435                                 }
 436                         }
 437                         if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);
 438
 439                         // Try and calculate GB postcodes we might be missing
 440                         foreach($aTokens as $sToken)
 441                         {
 442                                 // Source of gb postcodes is now definitive - always use
 443                                 if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
 444                                 {
 445                                         if (substr($aData[1],-2,1) != ' ')
 446                                         {
 447                                                 $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
 448                                                 $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
 449                                         }
 450                                         $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
 451                                         if ($aGBPostcodeLocation)
 452                                         {
 453                                                 $aValidTokens[$sToken] = $aGBPostcodeLocation;
 454                                         }
 455                                 }
 456                         }
 457
 458                         foreach($aTokens as $sToken)
 459                         {
 460                                 // Unknown single word token with a number - assume it is a house number
 461                                 if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
 462                                 {
 463                                         $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
 464                                 }
 465                         }
 466
 467                         // Any words that have failed completely?
 468                         // TODO: suggestions
 469
 470                         // Start the search process
 471                         $aResultPlaceIDs = array();
 472
 473                         /*
 474                                 Calculate all searches using aValidTokens i.e.
 475
 476                                 'Wodsworth Road, Sheffield' =>
 477
 478                                 Phrase Wordset
 479                                 0      0       (wodsworth road)
 480                                 0      1       (wodsworth)(road)
 481                                 1      0       (sheffield)
 482
 483                                 Score how good the search is so they can be ordered
 484                         */
 485                                 foreach($aPhrases as $iPhrase => $sPhrase)
 486                                 {
 487                                         $aNewPhraseSearches = array();
 488                                         if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
 489                                         else $sPhraseType = '';
 490
 491                                         foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
 492                                         {
 493                                                 $aWordsetSearches = $aSearches;
 494
 495                                                 // Add all words from this wordset
 496                                                 foreach($aWordset as $iToken => $sToken)
 497                                                 {
 498 //echo "<br><b>$sToken</b>";
 499                                                         $aNewWordsetSearches = array();
 500
 501                                                         foreach($aWordsetSearches as $aCurrentSearch)
 502                                                         {
 503 //echo "<i>";
 504 //var_dump($aCurrentSearch);
 505 //echo "</i>";
 506
 507                                                                 // If the token is valid
 508                                                                 if (isset($aValidTokens[' '.$sToken]))
 509                                                                 {
 510                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
 511                                                                         {
 512                                                                                 $aSearch = $aCurrentSearch;
 513                                                                                 $aSearch['iSearchRank']++;
 514                                                                                 if (($sPhraseType == '' || $sPhraseType == 'country') && $aSearchTerm['country_code'] !== null && $aSearchTerm['country_code'] != '0')
 515                                                                                 {
 516                                                                                         if ($aSearch['sCountryCode'] === false)
 517                                                                                         {
 518                                                                                                 $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 519                                                                                                 // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
 520                                                                                                 if ($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) $aSearch['iSearchRank'] += 5;
 521                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 522                                                                                         }
 523                                                                                 }
 524                                                                                 elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
 525                                                                                 {
 526                                                                                         if ($aSearch['fLat'] === '')
 527                                                                                         {
 528                                                                                                 $aSearch['fLat'] = $aSearchTerm['lat'];
 529                                                                                                 $aSearch['fLon'] = $aSearchTerm['lon'];
 530                                                                                                 $aSearch['fRadius'] = $aSearchTerm['radius'];
 531                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 532                                                                                         }
 533                                                                                 }
 534                                                                                 elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
 535                                                                                 {
 536                                                                                         if ($aSearch['sHouseNumber'] === '')
 537                                                                                         {
 538                                                                                                 $aSearch['sHouseNumber'] = $sToken;
 539                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 540 /*
 541                                                                                                 // Fall back to not searching for this item (better than nothing)
 542                                                                                                 $aSearch = $aCurrentSearch;
 543                                                                                                 $aSearch['iSearchRank'] += 1;
 544                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 545 */
 546                                                                                         }
 547                                                                                 }
 548                                                                                 elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
 549                                                                                 {
 550                                                                                         if ($aSearch['sClass'] === '')
 551                                                                                         {
 552                                                                                                 $aSearch['sOperator'] = $aSearchTerm['operator'];
 553                                                                                                 $aSearch['sClass'] = $aSearchTerm['class'];
 554                                                                                                 $aSearch['sType'] = $aSearchTerm['type'];
 555                                                                                                 if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
 556                                                                                                 else $aSearch['sOperator'] = 'near'; // near = in for the moment
 557
 558                                                                                                 // Do we have a shortcut id?
 559                                                                                                 if ($aSearch['sOperator'] == 'name')
 560                                                                                                 {
 561                                                                                                         $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
 562                                                                                                         if ($iAmenityID = $oDB->getOne($sSQL))
 563                                                                                                         {
 564                                                                                                                 $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
 565                                                                                                                 $aSearch['aName'][$iAmenityID] = $iAmenityID;
 566                                                                                                                 $aSearch['sClass'] = '';
 567                                                                                                                 $aSearch['sType'] = '';
 568                                                                                                         }
 569                                                                                                 }
 570                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 571                                                                                         }
 572                                                                                 }
 573                                                                                 elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 574                                                                                 {
 575                                                                                         if (sizeof($aSearch['aName']))
 576                                                                                         {
 577                                                                                                 if (($sPhraseType != 'street' && $sPhraseType != 'country') && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
 578                                                                                                 {
 579                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 580                                                                                                 }
 581                                                                                                 else
 582                                                                                                 {
 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']) && $aSearchTerm['word_id'])
 601                                                                                 {
 602                                                                                         if (($sPhraseType != 'street') && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
 603                                                                                         {
 604                                                                                                 $aSearch = $aCurrentSearch;
 605                                                                                                 $aSearch['iSearchRank'] += 1;
 606                                                                                                 $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 607                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 608                                                                                         }
 609
 610                                                                                         if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
 611                                                                                         {
 612                                                                                                 $aSearch = $aCurrentSearch;
 613                                                                                                 $aSearch['iSearchRank'] += 2;
 614                                                                                                 if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
 615                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 616                                                                                                 $aSearch['iNamePhrase'] = $iPhrase;
 617                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 618                                                                                         }
 619                                                                                 }
 620                                                                         }
 621                                                                 }
 622                                                                 else
 623                                                                 {
 624                                                                         // Allow skipping a word - but at EXTREAM cost
 625                                                                         //$aSearch = $aCurrentSearch;
 626                                                                         //$aSearch['iSearchRank']+=100;
 627                                                                         //$aNewWordsetSearches[] = $aSearch;
 628                                                                 }
 629                                                         }
 630                                                         // Sort and cut
 631                                                         usort($aNewWordsetSearches, 'bySearchRank');
 632                                                         $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
 633                                                 }
 634 //                                              var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
 635
 636                                                 $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
 637                                                 usort($aNewPhraseSearches, 'bySearchRank');
 638
 639           $aSearchHash = array();
 640           foreach($aNewPhraseSearches as $iSearch => $aSearch)
 641           {
 642             $sHash = serialize($aSearch);
 643             if (isset($aSearchHash[$sHash]))
 644             {
 645               unset($aNewPhraseSearches[$iSearch]);
 646             }
 647             else
 648             {
 649               $aSearchHash[$sHash] = 1;
 650             }
 651           }
 652
 653                                                 $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
 654                                         }
 655
 656                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 657                                         $aGroupedSearches = array();
 658                                         foreach($aNewPhraseSearches as $aSearch)
 659                                         {
 660                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 661                                                 {
 662                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 663                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 664                                                 }
 665                                         }
 666                                         ksort($aGroupedSearches);
 667
 668                                         $iSearchCount = 0;
 669                                         $aSearches = array();
 670                                         foreach($aGroupedSearches as $iScore => $aNewSearches)
 671                                         {
 672                                                 $iSearchCount += sizeof($aNewSearches);
 673                                                 $aSearches = array_merge($aSearches, $aNewSearches);
 674                                                 if ($iSearchCount > 50) break;
 675                                         }
 676
 677 //                                      if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 678
 679                                 }
 680                         }
 681                         else
 682                         {
 683                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 684                                         $aGroupedSearches = array();
 685                                         foreach($aSearches as $aSearch)
 686                                         {
 687                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 688                                                 {
 689                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 690                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 691                                                 }
 692                                         }
 693                                         ksort($aGroupedSearches);
 694                         }
 695
 696                                 if (CONST_Debug) var_Dump($aGroupedSearches);
 697
 698                                 if ($bReverseInPlan)
 699                                 {
 700                                         $aCopyGroupedSearches = $aGroupedSearches;
 701                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 702                                         {
 703                                                 foreach($aSearches as $iSearch => $aSearch)
 704                                                 {
 705                                                         if (sizeof($aSearch['aAddress']))
 706                                                         {
 707                                                                 $iReverseItem = array_pop($aSearch['aAddress']);
 708                                                                 if (isset($aPossibleMainWordIDs[$iReverseItem]))
 709                                                                 {
 710                                                                         $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
 711                                                                         $aSearch['aName'] = array($iReverseItem);
 712                                                                         $aGroupedSearches[$iGroup][] = $aSearch;
 713                                                                 }
 714 //                                                              $aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 715         //                                                      $aGroupedSearches[$iGroup][] = $aReverseSearch;
 716                                                         }
 717                                                 }
 718                                         }
 719                                 }
 720
 721                                 // Filter out duplicate searches
 722                                 $aSearchHash = array();
 723                                 foreach($aGroupedSearches as $iGroup => $aSearches)
 724                                 {
 725                                         foreach($aSearches as $iSearch => $aSearch)
 726                                         {
 727                                                 $sHash = serialize($aSearch);
 728                                                 if (isset($aSearchHash[$sHash]))
 729                                                 {
 730                                                         unset($aGroupedSearches[$iGroup][$iSearch]);
 731                                                         if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 732                                                 }
 733                                                 else
 734                                                 {
 735                                                         $aSearchHash[$sHash] = 1;
 736                                                 }
 737                                         }
 738                                 }
 739
 740                                 if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 741
 742                                 $iGroupLoop = 0;
 743                                 $iQueryLoop = 0;
 744                                 foreach($aGroupedSearches as $iGroupedRank => $aSearches)
 745                                 {
 746                                         $iGroupLoop++;
 747                                         foreach($aSearches as $aSearch)
 748                                         {
 749                                                 $iQueryLoop++;
 750
 751                                                 // Must have a location term
 752                                                 if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
 753                                                 {
 754                                                         if ($aSearch['sCountryCode'] && !$aSearch['sClass'])
 755                                                         {
 756                                                                 if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
 757                                                                 {
 758                                                                         $sSQL = "select place_id from placex where country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
 759                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 760                                                                         $sSQL .= " order by st_area(geometry) desc limit 1";
 761                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 762                                                                 }
 763                                                         }
 764                                                         else
 765                                                         {
 766                                                                 if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
 767                                                                 if (!$aSearch['sClass']) continue;
 768                                                                 if (CONST_Debug) var_dump('<hr>',$aSearch);
 769                                                                 if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 770                                                                 $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 771                                                                 if ($oDB->getOne($sSQL))
 772                                                                 {
 773                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 774                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 775                                                                 $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid) and linked_place_id is null";
 776                                                                 if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 777                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 778                                                                 $sSQL .= " limit $iLimit";
 779                                                                 if (CONST_Debug) var_dump($sSQL);
 780                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 781
 782                                                                 if (!sizeof($aPlaceIDs))
 783                                                                 {
 784                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 785                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 786                                                                         $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid) and linked_place_id is null";
 787                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 788                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 789                                                                         $sSQL .= " limit $iLimit";
 790                                                                         if (CONST_Debug) var_dump($sSQL);
 791                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 792                                                                 }
 793                                                         }
 794                                                         else
 795                                                         {
 796                                                                 $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 797                                                                 $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
 798                                                                 if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 799                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 800                                                                 $sSQL .= " limit $iLimit";
 801                                                                 if (CONST_Debug) var_dump($sSQL);
 802                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 803                                                         }
 804                                                         }
 805                                                 }
 806                                                 else
 807                                                 {
 808                                                         if (CONST_Debug) var_dump('<hr>',$aSearch);
 809                                                         if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 810                                                         $aPlaceIDs = array();
 811
 812                                                         // First we need a position, either aName or fLat or both
 813                                                         $aTerms = array();
 814                                                         $aOrder = array();
 815
 816                                                         // TODO: filter out the pointless search terms (2 letter name tokens and less)
 817                                                         // they might be right - but they are just too darned expensive to run
 818                                                         if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
 819                                                         if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
 820                                                         if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
 821                                                         if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
 822                                                         if ($aSearch['fLon'] && $aSearch['fLat'])
 823                                                         {
 824                                                                 $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
 825                                                                 $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
 826                                                         }
 827                                                         if (sizeof($aExcludePlaceIDs))
 828                                                         {
 829                                                                 $aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
 830                                                         }
 831                                                         if ($sCountryCodesSQL)
 832                                                         {
 833                                                                 $aTerms[] = "country_code in ($sCountryCodesSQL)";
 834                                                         }
 835
 836                                                         if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
 837                                                         if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 838
 839                                                         $sImportanceSQL = 'case when importance = 0 OR importance IS NULL then 0.92-(search_rank::float/33) else importance end';
 840
 841                                                         if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
 842                                                         if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
 843                                                         $aOrder[] = "$sImportanceSQL DESC";
 844
 845                                                         if (sizeof($aTerms))
 846                                                         {
 847                                                                 $sSQL = "select place_id";
 848                                                                 $sSQL .= " from search_name";
 849                                                                 $sSQL .= " where ".join(' and ',$aTerms);
 850                                                                 $sSQL .= " order by ".join(', ',$aOrder);
 851                                                                 if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
 852                                                                         $sSQL .= " limit 50";
 853                                                                 elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
 854                                                                         $sSQL .= " limit 1";
 855                                                                 else
 856                                                                         $sSQL .= " limit ".$iLimit;
 857
 858                                                                 if (CONST_Debug) var_dump($sSQL);
 859                                                                 $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
 860                                                                 if (PEAR::IsError($aViewBoxPlaceIDs))
 861                                                                 {
 862                                                                         failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
 863                                                                 }
 864 //var_dump($aViewBoxPlaceIDs);
 865                                                                 // Did we have an viewbox matches?
 866                                                                 $aPlaceIDs = array();
 867                                                                 $bViewBoxMatch = false;
 868                                                                 foreach($aViewBoxPlaceIDs as $aViewBoxRow)
 869                                                                 {
 870 //                                                                      if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
 871 //                                                                      if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
 872 //                                                                      if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
 873 //                                                                      else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
 874                                                                         $aPlaceIDs[] = $aViewBoxRow['place_id'];
 875                                                                 }
 876                                                         }
 877 //var_Dump($aPlaceIDs);
 878 //exit;
 879
 880                                                         if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
 881                                                         {
 882                                                                 $aRoadPlaceIDs = $aPlaceIDs;
 883                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 884
 885                                                                 // Now they are indexed look for a house attached to a street we found
 886                                                                 $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';
 887                                                                 $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
 888                                                                 if (sizeof($aExcludePlaceIDs))
 889                                                                 {
 890                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 891                                                                 }
 892                                                                 $sSQL .= " limit $iLimit";
 893                                                                 if (CONST_Debug) var_dump($sSQL);
 894                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 895
 896                                                                 // If not try the aux fallback table
 897                                                                 if (!sizeof($aPlaceIDs))
 898                                                                 {
 899                                                                         $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 900                                                                         if (sizeof($aExcludePlaceIDs))
 901                                                                         {
 902                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 903                                                                         }
 904 //                                                                      $sSQL .= " limit $iLimit";
 905                                                                         if (CONST_Debug) var_dump($sSQL);
 906                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 907                                                                 }
 908
 909                                                                 if (!sizeof($aPlaceIDs))
 910                                                                 {
 911                                                                         $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 912                                                                         if (sizeof($aExcludePlaceIDs))
 913                                                                         {
 914                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 915                                                                         }
 916 //                                                                      $sSQL .= " limit $iLimit";
 917                                                                         if (CONST_Debug) var_dump($sSQL);
 918                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 919                                                                 }
 920
 921                                                                 // Fallback to the road
 922                                                                 if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
 923                                                                 {
 924                                                                         $aPlaceIDs = $aRoadPlaceIDs;
 925                                                                 }
 926
 927                                                         }
 928
 929                                                         if ($aSearch['sClass'] && sizeof($aPlaceIDs))
 930                                                         {
 931                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 932
 933                                                                 $aResultPlaceIDs = array();
 934
 935                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
 936                                                                 {
 937                                                                         // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
 938                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 939                                                                         $sSQL .= " and linked_place_id is null";
 940                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 941                                                                         $sSQL .= " order by rank_search asc limit $iLimit";
 942                                                                         if (CONST_Debug) var_dump($sSQL);
 943                                                                         $aResultPlaceIDs = $oDB->getCol($sSQL);
 944                                                                 }
 945
 946                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
 947                                                                 {
 948                                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 949                                                                         $bCacheTable = $oDB->getOne($sSQL);
 950
 951                                                                         $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
 952
 953                                                                         if (CONST_Debug) var_dump($sSQL);
 954                                                                         $iMaxRank = ((int)$oDB->getOne($sSQL));
 955
 956                                                                         // For state / country level searches the normal radius search doesn't work very well
 957                                                                         $sPlaceGeom = false;
 958                                                                         if ($iMaxRank < 9 && $bCacheTable)
 959                                                                         {
 960                                                                                 // Try and get a polygon to search in instead
 961         $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
 962         if (CONST_Debug) var_dump($sSQL);
 963         $sPlaceGeom = $oDB->getOne($sSQL);
 964                                                                         }
 965
 966                                                                         if ($sPlaceGeom)
 967                                                                         {
 968                                                                                 $sPlaceIDs = false;
 969                                                                         }
 970                                                                         else
 971                                                                         {
 972                                                                                 $iMaxRank += 5;
 973                                                                                 $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
 974                                                                                 if (CONST_Debug) var_dump($sSQL);
 975                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 976                                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 977                                                                         }
 978
 979                                                                         if ($sPlaceIDs || $sPlaceGeom)
 980                                                                         {
 981
 982                                                                         $fRange = 0.01;
 983                                                                         if ($bCacheTable)
 984                                                                         {
 985                                                                                 // More efficient - can make the range bigger
 986                                                                                 $fRange = 0.05;
 987
 988                                                                                 $sOrderBySQL = '';
 989                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
 990                                                                                 else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
 991                                                                                 else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
 992
 993                                                                                 $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
 994                                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
 995                                                                                 if ($sPlaceIDs)
 996                                                                                 {
 997                                                                                         $sSQL .= ",placex as f where ";
 998                                                                                         $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, st_centroid(f.geometry), $fRange) ";
 999                                                                                 }
1000                                                                                 if ($sPlaceGeom)
1001                                                                                 {
1002                                                                                         $sSQL .= " where ";
1003                                                                                         $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
1004                                                                                 }
1005                                                                                 if (sizeof($aExcludePlaceIDs))
1006                                                                                 {
1007                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1008                                                                                 }
1009                                                                                 if ($sCountryCodesSQL) $sSQL .= " and lp.country_code in ($sCountryCodesSQL)";
1010                                                                                 if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
1011                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1012                                                                                 $sSQL .= " limit $iLimit";
1013                                                                                 if (CONST_Debug) var_dump($sSQL);
1014                                                                                 $aResultPlaceIDs = array_merge($aResultPlaceIDs, $oDB->getCol($sSQL));
1015                                                                         }
1016                                                                         else
1017                                                                         {
1018                                                                                 if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
1019
1020                                                                                 $sOrderBySQL = '';
1021                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
1022                                                                                 else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
1023
1024                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
1025                                                                                 $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, st_centroid(f.geometry), $fRange) ";
1026                                                                                 $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
1027                                                                                 if (sizeof($aExcludePlaceIDs))
1028                                                                                 {
1029                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1030                                                                                 }
1031                                                                                 if ($sCountryCodesSQL) $sSQL .= " and l.country_code in ($sCountryCodesSQL)";
1032                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1033                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1034                                                                                 $sSQL .= " limit $iLimit";
1035                                                                                 if (CONST_Debug) var_dump($sSQL);
1036                                                                                 $aResultPlaceIDs = array_merge($aResultPlaceIDs, $oDB->getCol($sSQL));
1037                                                                         }
1038                                                                         }
1039                                                                 }
1040
1041                                                                 $aPlaceIDs = $aResultPlaceIDs;
1042
1043                                                         }
1044
1045                                                 }
1046
1047                                                 if (PEAR::IsError($aPlaceIDs))
1048                                                 {
1049                                                         failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
1050                                                 }
1051
1052                                                 if (CONST_Debug) var_Dump($aPlaceIDs);
1053
1054                                                 foreach($aPlaceIDs as $iPlaceID)
1055                                                 {
1056                                                         $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
1057                                                 }
1058                                                 if ($iQueryLoop > 20) break;
1059                                         }
1060                                         //exit;
1061                                         if (sizeof($aResultPlaceIDs)) break;
1062                                         if ($iGroupLoop > 4) break;
1063                                         if ($iQueryLoop > 30) break;
1064                                 }
1065 //exit;
1066                                 // Did we find anything?
1067                                 if (sizeof($aResultPlaceIDs))
1068                                 {
1069 //var_Dump($aResultPlaceIDs);exit;
1070                                         // Get the details for display (is this a redundant extra step?)
1071                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1072                                         $sOrderSQL = 'CASE ';
1073                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1074                                         {
1075                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1076                                         }
1077                                         $sOrderSQL .= ' ELSE 10000000 END';
1078                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
1079                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1080                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1081                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1082                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
1083 //                                      $sSQL .= $sOrderSQL." as porder, ";
1084                                         $sSQL .= "coalesce(importance,0.9-(rank_search::float/30)) as importance ";
1085                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1086                                         $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1087                                         $sSQL .= "and linked_place_id is null ";
1088                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
1089                                         if (!$bDeDupe) $sSQL .= ",place_id";
1090                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1091                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1092                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1093                                         $sSQL .= " union ";
1094                                         $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,";
1095                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1096                                         $sSQL .= "null as placename,";
1097                                         $sSQL .= "null as ref,";
1098                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1099 //                                      $sSQL .= $sOrderSQL." as porder, ";
1100                                         $sSQL .= "-0.15 as importance ";
1101                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1102                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1103                                         $sSQL .= "group by place_id";
1104                                         if (!$bDeDupe) $sSQL .= ",place_id";
1105                                         $sSQL .= " union ";
1106                                         $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,";
1107                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1108                                         $sSQL .= "null as placename,";
1109                                         $sSQL .= "null as ref,";
1110                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1111 //                                      $sSQL .= $sOrderSQL." as porder, ";
1112                                         $sSQL .= "-0.10 as importance ";
1113                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1114                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1115                                         $sSQL .= "group by place_id";
1116                                         if (!$bDeDupe) $sSQL .= ",place_id";
1117                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1118                                         $sSQL .= "order by importance desc";
1119 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1120                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
1121                                         $aSearchResults = $oDB->getAll($sSQL);
1122 //var_dump($sSQL,$aSearchResults);exit;
1123
1124                                         if (PEAR::IsError($aSearchResults))
1125                                         {
1126                                                 failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
1127                                         }
1128                                 }
1129                         } // end if ($sQuery)
1130                         else
1131                         {
1132                                 if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
1133                                 {
1134                                         $iPlaceID = geocodeReverse($_GET['nearlat'], $_GET['nearlon']);
1135                                         $aResultPlaceIDs = array($iPlaceID);
1136
1137                                         // TODO: this needs refactoring!
1138
1139                                         // Get the details for display (is this a redundant extra step?)
1140                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1141                                         $sOrderSQL = 'CASE ';
1142                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1143                                         {
1144                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1145                                         }
1146                                         $sOrderSQL .= ' ELSE 10000000 END';
1147                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
1148                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1149                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1150                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1151                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
1152 //                                      $sSQL .= $sOrderSQL." as porder, ";
1153                                         $sSQL .= "coalesce(importance,0.9-(rank_search::float/30)) as importance ";
1154                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1155                                         $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1156                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
1157                                         if (!$bDeDupe) $sSQL .= ",place_id";
1158                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1159                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1160                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1161                                         $sSQL .= " union ";
1162                                         $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,";
1163                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1164                                         $sSQL .= "null as placename,";
1165                                         $sSQL .= "null as ref,";
1166                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1167 //                                      $sSQL .= $sOrderSQL." as porder, ";
1168                                         $sSQL .= "-0.15 as importance ";
1169                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1170                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1171                                         $sSQL .= "group by place_id";
1172                                         if (!$bDeDupe) $sSQL .= ",place_id";
1173                                         $sSQL .= " union ";
1174                                         $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,";
1175                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1176                                         $sSQL .= "null as placename,";
1177                                         $sSQL .= "null as ref,";
1178                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1179 //                                      $sSQL .= $sOrderSQL." as porder, ";
1180                                         $sSQL .= "-0.10 as importance ";
1181                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1182                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1183                                         $sSQL .= "group by place_id";
1184                                         if (!$bDeDupe) $sSQL .= ",place_id";
1185                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1186                                         $sSQL .= "order by importance desc";
1187 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1188                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
1189                                         $aSearchResults = $oDB->getAll($sSQL);
1190 //var_dump($sSQL,$aSearchResults);exit;
1191
1192                                         if (PEAR::IsError($aSearchResults))
1193                                         {
1194                         failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);
1195                                         }
1196                                 }
1197                         }
1198                 }
1199
1200         $sSearchResult = '';
1201         if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
1202         {
1203                 $sSearchResult = 'No Results Found';
1204         }
1205 //var_Dump($aSearchResults);
1206 //exit;
1207         $aClassType = getClassTypesWithImportance();
1208         $aRecheckWords = preg_split('/\b/',$sQuery);
1209         foreach($aRecheckWords as $i => $sWord)
1210         {
1211                 if (!$sWord) unset($aRecheckWords[$i]);
1212         }
1213         foreach($aSearchResults as $iResNum => $aResult)
1214         {
1215                 if (CONST_Search_AreaPolygons)
1216                 {
1217                         // Get the bounding box and outline polygon
1218                         $sSQL = "select place_id,numfeatures,area,outline,";
1219                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
1220                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";
1221                         $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
1222
1223                         $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
1224                         $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
1225                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
1226                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
1227                         if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
1228                         if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
1229                         if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
1230                         if ($bAsText) $sSQL .= ",ST_AsText(geometry) as astext";
1231                         if ($bShowPolygons) $sSQL .= ",ST_AsText(geometry) as outlinestring";
1232                         $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
1233                         $aPointPolygon = $oDB->getRow($sSQL);
1234                         if (PEAR::IsError($aPointPolygon))
1235                         {
1236                                 failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
1237                         }
1238                         if ($aPointPolygon['place_id'])
1239                         {
1240                                 if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
1241                                 if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
1242                                 if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
1243                                 if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
1244
1245                                 if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
1246                                         $aResult['lat'] = $aPointPolygon['centrelat'];
1247                                         $aResult['lon'] = $aPointPolygon['centrelon'];
1248                                 }
1249                                 if ($bShowPolygons)
1250                                 {
1251                                         // Translate geometary string to point array
1252                                         if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
1253                                         {
1254                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1255                                         }
1256                                         elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
1257                                         {
1258                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1259                                         }
1260                                         elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
1261                                         {
1262                                                 $fRadius = 0.01;
1263                                                 $iSteps = ($fRadius * 40000)^2;
1264                                                 $fStepSize = (2*pi())/$iSteps;
1265                                                 $aPolyPoints = array();
1266                                                 for($f = 0; $f < 2*pi(); $f += $fStepSize)
1267                                                 {
1268                                                         $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
1269                                                 }
1270                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
1271                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
1272                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
1273                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
1274                                         }
1275                                 }
1276
1277                                 // Output data suitable for display (points and a bounding box)
1278                                 if ($bShowPolygons && isset($aPolyPoints))
1279                                 {
1280                                         $aResult['aPolyPoints'] = array();
1281                                         foreach($aPolyPoints as $aPoint)
1282                                         {
1283                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1284                                         }
1285                                 }
1286                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1287                         }
1288                 }
1289
1290                 if (!isset($aResult['aBoundingBox']))
1291                 {
1292                         // Default
1293                         $fDiameter = 0.0001;
1294
1295                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1296                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1297                         {
1298                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
1299                         }
1300                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1301                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1302                         {
1303                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
1304                         }
1305                         $fRadius = $fDiameter / 2;
1306
1307                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
1308                         $fStepSize = (2*pi())/$iSteps;
1309                         $aPolyPoints = array();
1310                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1311                         {
1312                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
1313                         }
1314                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
1315                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
1316                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
1317                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
1318
1319                         // Output data suitable for display (points and a bounding box)
1320                         if ($bShowPolygons)
1321                         {
1322                                 $aResult['aPolyPoints'] = array();
1323                                 foreach($aPolyPoints as $aPoint)
1324                                 {
1325                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1326                                 }
1327                         }
1328                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1329                 }
1330
1331                 // Is there an icon set for this type of result?
1332                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1333                         && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1334                 {
1335                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
1336                 }
1337
1338                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1339                         && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1340                 {
1341                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
1342                 }
1343
1344                 if ($bShowAddressDetails)
1345                 {
1346                         $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
1347 //var_dump($aResult['address']);
1348 //exit;
1349                 }
1350
1351                 // Adjust importance for the number of exact string matches in the result
1352                 $aResult['importance'] = max(0.001,$aResult['importance']);
1353                 $iCountWords = 0;
1354                 $sAddress = $aResult['langaddress'];
1355                 foreach($aRecheckWords as $i => $sWord)
1356                 {
1357                         if (stripos($sAddress, $sWord)!==false) $iCountWords++;
1358                 }
1359                 $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
1360
1361 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
1362 /*
1363                 if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1364                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1365                 {
1366                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'];
1367                 }
1368                 elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1369                         && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1370                 {
1371                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
1372                 }
1373                 else
1374                 {
1375                         $aResult['importance'] = 1000000000000000;
1376                 }
1377 */
1378                 $aResult['name'] = $aResult['langaddress'];
1379                 $aResult['foundorder'] = $iResNum;
1380                 $aSearchResults[$iResNum] = $aResult;
1381         }
1382         uasort($aSearchResults, 'byImportance');
1383
1384 //var_dump($aSearchResults);exit;
1385
1386         $aOSMIDDone = array();
1387         $aClassTypeNameDone = array();
1388         $aToFilter = $aSearchResults;
1389         $aSearchResults = array();
1390
1391         $bFirst = true;
1392         foreach($aToFilter as $iResNum => $aResult)
1393         {
1394                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
1395                 $aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
1396                 if ($bFirst)
1397                 {
1398                         $fLat = $aResult['lat'];
1399                         $fLon = $aResult['lon'];
1400                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
1401                         $bFirst = false;
1402                 }
1403                 if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
1404                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']])))
1405                 {
1406                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
1407                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']] = true;
1408                         $aSearchResults[] = $aResult;
1409                 }
1410
1411                 // Absolute limit on number of results
1412                 if (sizeof($aSearchResults) >= $iLimit) break;
1413         }
1414
1415         $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");
1416
1417         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
1418         {
1419                 $sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
1420         }
1421
1422         if ($sQuery)
1423         {
1424                 logEnd($oDB, $hLog, sizeof($aToFilter));
1425         }
1426         $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
1427         $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
1428         if ($bShowPolygons) $sMoreURL .= '&polygon=1';
1429         if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
1430         if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
1431         if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
1432         if ($sSuggestion)
1433         {
1434                 $sSuggestionURL = $sMoreURL.'&q='.urlencode($sSuggestion);
1435         }
1436         $sMoreURL .= '&q='.urlencode($sQuery);
1437
1438         if (CONST_Debug) exit;
1439
1440         include(CONST_BasePath.'/lib/template/search-'.$sOutputFormat.'.php');