lib/PlaceLookup.php

   1 <?php
   2         class PlaceLookup
   3         {
   4                 protected $oDB;
   5
   6                 protected $iPlaceID;
   7
   8                 protected $sType = false;
   9
  10                 protected $fTigerFraction = -1;
  11
  12                 protected $aLangPrefOrder = array();
  13
  14                 protected $bAddressDetails = false;
  15
  16                 protected $bExtraTags = false;
  17
  18                 protected $bNameDetails = false;
  19
  20                 protected $bIncludePolygonAsPoints = false;
  21                 protected $bIncludePolygonAsText = false;
  22                 protected $bIncludePolygonAsGeoJSON = false;
  23                 protected $bIncludePolygonAsKML = false;
  24                 protected $bIncludePolygonAsSVG = false;
  25                 protected $fPolygonSimplificationThreshold = 0.0;
  26
  27
  28                 function PlaceLookup(&$oDB)
  29                 {
  30                         $this->oDB =& $oDB;
  31                 }
  32
  33                 function setLanguagePreference($aLangPrefOrder)
  34                 {
  35                         $this->aLangPrefOrder = $aLangPrefOrder;
  36                 }
  37
  38                 function setIncludeAddressDetails($bAddressDetails = true)
  39                 {
  40                         $this->bAddressDetails = $bAddressDetails;
  41                 }
  42
  43                 function setIncludeExtraTags($bExtraTags = false)
  44                 {
  45                         $this->bExtraTags = $bExtraTags;
  46                 }
  47
  48                 function setIncludeNameDetails($bNameDetails = false)
  49                 {
  50                         $this->bNameDetails = $bNameDetails;
  51                 }
  52
  53
  54                 function setIncludePolygonAsPoints($b = true)
  55                 {
  56                         $this->bIncludePolygonAsPoints = $b;
  57                 }
  58
  59                 function getIncludePolygonAsPoints()
  60                 {
  61                         return $this->bIncludePolygonAsPoints;
  62                 }
  63
  64                 function setIncludePolygonAsText($b = true)
  65                 {
  66                         $this->bIncludePolygonAsText = $b;
  67                 }
  68
  69                 function getIncludePolygonAsText()
  70                 {
  71                         return $this->bIncludePolygonAsText;
  72                 }
  73
  74                 function setIncludePolygonAsGeoJSON($b = true)
  75                 {
  76                         $this->bIncludePolygonAsGeoJSON = $b;
  77                 }
  78
  79                 function setIncludePolygonAsKML($b = true)
  80                 {
  81                         $this->bIncludePolygonAsKML = $b;
  82                 }
  83
  84                 function setIncludePolygonAsSVG($b = true)
  85                 {
  86                         $this->bIncludePolygonAsSVG = $b;
  87                 }
  88
  89                 function setPolygonSimplificationThreshold($f)
  90                 {
  91                         $this->fPolygonSimplificationThreshold = $f;
  92                 }
  93
  94
  95                 function setPlaceID($iPlaceID)
  96                 {
  97                         $this->iPlaceID = $iPlaceID;
  98                 }
  99
 100                 function setOSMID($sType, $iID)
 101                 {
 102                         $sSQL = "select place_id from placex where osm_type = '".pg_escape_string($sType)."' and osm_id = ".(int)$iID." order by type = 'postcode' asc";
 103                         $this->iPlaceID = $this->oDB->getOne($sSQL);
 104                 }
 105
 106                 function lookupPlace($details)
 107                 {
 108                         if (isset($details['place_id'])) $this->iPlaceID = $details['place_id'];
 109                         if (isset($details['type'])) $this->sType = $details['type'];
 110                         if (isset($details['osm_type']) && isset($details['osm_id']))
 111                         {
 112                                 $this->setOSMID($details['osm_type'], $details['osm_id']);
 113                         }
 114                         if (isset($details['fraction'])) $this->fInterpolFraction = $details['fraction'];
 115
 116                         return $this->lookup();
 117                 }
 118
 119                 function lookup()
 120                 {
 121                         if (!$this->iPlaceID) return null;
 122
 123                         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted", $this->aLangPrefOrder))."]";
 124
 125                         if (CONST_Use_US_Tiger_Data && $this->sType == 'tiger')
 126                         {
 127                                 $sSQL = "select place_id,partition, 'T' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, housenumber, null as street, null as isin, postcode,";
 128                                 $sSQL .= " 'us' as country_code, parent_place_id, null as linked_place_id, 30 as rank_address, 30 as rank_search,";
 129                                 $sSQL .= " coalesce(null,0.75-(30::float/40)) as importance, null as indexed_status, null as indexed_date, null as wikipedia, 'us' as calculated_country_code, ";
 130                                 $sSQL .= " get_address_by_language(place_id, housenumber, $sLanguagePrefArraySQL) as langaddress,";
 131                                 $sSQL .= " null as placename,";
 132                                 $sSQL .= " null as ref,";
 133                                 if ($this->bExtraTags) $sSQL .= " null as extra,";
 134                                 if ($this->bNameDetails) $sSQL .= " null as names,";
 135                                 $sSQL .= " ST_X(point) as lon, ST_Y(point) as lat from (select *, ST_LineInterpolatePoint(linegeo, (housenumber-startnumber::float)/(endnumber-startnumber)::float) as point from ";
 136                                 $sSQL .= " (select *, ";
 137                                 $sSQL .= " CASE WHEN interpolationtype='odd' THEN floor((".$this->fInterpolFraction."*(endnumber-startnumber)+startnumber)/2)::int*2+1";
 138                                 $sSQL .= " WHEN interpolationtype='even' THEN ((".$this->fInterpolFraction."*(endnumber-startnumber)+startnumber)/2)::int*2";
 139                                 $sSQL .= " WHEN interpolationtype='all' THEN (".$this->fInterpolFraction."*(endnumber-startnumber)+startnumber)::int";
 140                                 $sSQL .= " END as housenumber";
 141                                 $sSQL .= " from location_property_tiger where place_id = ".(int)$this->iPlaceID.") as blub1) as blub2";
 142                         }
 143                         else if ($this->sType == 'interpolation')
 144                         {
 145                                 $sSQL = "select place_id, partition, 'I' as osm_type, osm_id, 'place' as class, 'house' as type, null admin_level, housenumber, null as street, null as isin, postcode,";
 146                                 $sSQL .= " calculated_country_code as country_code, parent_place_id, null as linked_place_id, 30 as rank_address, 30 as rank_search,";
 147                                 $sSQL .= " coalesce(null,0.75-(30::float/40)) as importance, null as indexed_status, null as indexed_date, null as wikipedia, calculated_country_code, ";
 148                                 $sSQL .= " get_address_by_language(place_id, housenumber, $sLanguagePrefArraySQL) as langaddress,";
 149                                 $sSQL .= " null as placename,";
 150                                 $sSQL .= " null as ref,";
 151                                 if ($this->bExtraTags) $sSQL .= " null as extra,";
 152                                 if ($this->bNameDetails) $sSQL .= " null as names,";
 153                                 $sSQL .= " ST_X(point) as lon, ST_Y(point) as lat from (select *, ST_LineInterpolatePoint(linegeo, (housenumber-startnumber::float)/(endnumber-startnumber)::float) as point from ";
 154                                 $sSQL .= " (select *, ";
 155                                 $sSQL .= " CASE WHEN interpolationtype='odd' THEN floor((".$this->fInterpolFraction."*(endnumber-startnumber)+startnumber)/2)::int*2+1";
 156                                 $sSQL .= " WHEN interpolationtype='even' THEN ((".$this->fInterpolFraction."*(endnumber-startnumber)+startnumber)/2)::int*2";
 157                                 $sSQL .= " WHEN interpolationtype='all' THEN (".$this->fInterpolFraction."*(endnumber-startnumber)+startnumber)::int";
 158                                 $sSQL .= " END as housenumber";
 159                                 $sSQL .= " from location_property_osmline where place_id = ".(int)$this->iPlaceID.") as blub1) as blub2";
 160                                 // testcase: interpolationtype=odd, startnumber=1000, endnumber=1006, fInterpolFraction=1 => housenumber=1007 => error in st_lineinterpolatepoint
 161                                 // but this will never happen, because if the searched point is that close to the endnumber, the endnumber house will be directly taken from placex (in ReverseGeocode.php line 220)
 162                                 // and not interpolated
 163                         }
 164                         else
 165                         {
 166                                 $sSQL = "select placex.place_id, partition, osm_type, osm_id, class, type, admin_level, housenumber, street, isin, postcode, country_code, parent_place_id, linked_place_id, rank_address, rank_search, ";
 167                                 $sSQL .= " coalesce(importance,0.75-(rank_search::float/40)) as importance, indexed_status, indexed_date, wikipedia, calculated_country_code, ";
 168                                 $sSQL .= " get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) as langaddress,";
 169                                 $sSQL .= " get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
 170                                 $sSQL .= " get_name_by_language(name, ARRAY['ref']) as ref,";
 171                                 if ($this->bExtraTags) $sSQL .= " hstore_to_json(extratags) as extra,";
 172                                 if ($this->bNameDetails) $sSQL .= " hstore_to_json(name) as names,";
 173                                 $sSQL .= " (case when centroid is null then st_y(st_centroid(geometry)) else st_y(centroid) end) as lat,";
 174                                 $sSQL .= " (case when centroid is null then st_x(st_centroid(geometry)) else st_x(centroid) end) as lon";
 175                                 $sSQL .= " from placex where place_id = ".(int)$this->iPlaceID;
 176                         }
 177
 178                         $aPlace = $this->oDB->getRow($sSQL);
 179
 180
 181                         if (PEAR::IsError($aPlace))
 182                         {
 183                                 failInternalError("Could not lookup place.", $sSQL, $aPlace);
 184                         }
 185
 186                         if (!$aPlace['place_id']) return null;
 187
 188                         if ($this->bAddressDetails)
 189                         {
 190                                 if(CONST_Use_US_Tiger_Data && $this->sType == 'tiger') // to get addressdetails for tiger data, the housenumber is needed
 191                                         $aAddress = $this->getAddressNames($aPlace['housenumber']);
 192                                 else
 193                                         $aAddress = $this->getAddressNames();
 194                                 $aPlace['aAddress'] = $aAddress;
 195                         }
 196
 197                         if ($this->bExtraTags)
 198                         {
 199                                 if ($aPlace['extra'])
 200                                 {
 201                                         $aPlace['sExtraTags'] = json_decode($aPlace['extra']);
 202                                 }
 203                                 else
 204                                 {
 205                                         $aPlace['sExtraTags'] = (object) array();
 206                                 }
 207                         }
 208
 209                         if ($this->bNameDetails)
 210                         {
 211                                 if ($aPlace['names'])
 212                                 {
 213                                         $aPlace['sNameDetails'] = json_decode($aPlace['names']);
 214                                 }
 215                                 else
 216                                 {
 217                                         $aPlace['sNameDetails'] = (object) array();
 218                                 }
 219                         }
 220
 221                         $aClassType = getClassTypes();
 222                         $sAddressType = '';
 223                         $sClassType = $aPlace['class'].':'.$aPlace['type'].':'.$aPlace['admin_level'];
 224                         if (isset($aClassType[$sClassType]) && isset($aClassType[$sClassType]['simplelabel']))
 225                         {
 226                                 $sAddressType = $aClassType[$aClassType]['simplelabel'];
 227                         }
 228                         else
 229                         {
 230                                 $sClassType = $aPlace['class'].':'.$aPlace['type'];
 231                                 if (isset($aClassType[$sClassType]) && isset($aClassType[$sClassType]['simplelabel']))
 232                                         $sAddressType = $aClassType[$sClassType]['simplelabel'];
 233                                 else $sAddressType = $aPlace['class'];
 234                         }
 235
 236                         $aPlace['addresstype'] = $sAddressType;
 237
 238                         return $aPlace;
 239                 }
 240
 241                 function getAddressDetails($bAll = false, $housenumber = -1)
 242                 {
 243                         if (!$this->iPlaceID) return null;
 244
 245                         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted", $this->aLangPrefOrder))."]";
 246
 247                         $sSQL = "select *,get_name_by_language(name,$sLanguagePrefArraySQL) as localname from get_addressdata(".$this->iPlaceID.",".$housenumber.")";
 248                         if (!$bAll) $sSQL .= " WHERE isaddress OR type = 'country_code'";
 249                         $sSQL .= " order by rank_address desc,isaddress desc";
 250
 251                         $aAddressLines = $this->oDB->getAll($sSQL);
 252                         if (PEAR::IsError($aAddressLines))
 253                         {
 254                                 var_dump($aAddressLines);
 255                                 exit;
 256                         }
 257                         return $aAddressLines;
 258                 }
 259
 260                 function getAddressNames($housenumber = -1)
 261                 {
 262                         $aAddressLines = $this->getAddressDetails(false, $housenumber);
 263
 264                         $aAddress = array();
 265                         $aFallback = array();
 266                         $aClassType = getClassTypes();
 267                         foreach($aAddressLines as $aLine)
 268                         {
 269                                 $bFallback = false;
 270                                 $aTypeLabel = false;
 271                                 if (isset($aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']];
 272                                 elseif (isset($aClassType[$aLine['class'].':'.$aLine['type']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type']];
 273                                 elseif (isset($aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))]))
 274                                 {
 275                                         $aTypeLabel = $aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))];
 276                                         $bFallback = true;
 277                                 }
 278                                 else
 279                                 {
 280                                         $aTypeLabel = array('simplelabel'=>'address'.$aLine['rank_address']);
 281                                         $bFallback = true;
 282                                 }
 283                                 if ($aTypeLabel && ((isset($aLine['localname']) && $aLine['localname']) || (isset($aLine['housenumber']) && $aLine['housenumber'])))
 284                                 {
 285                                         $sTypeLabel = strtolower(isset($aTypeLabel['simplelabel'])?$aTypeLabel['simplelabel']:$aTypeLabel['label']);
 286                                         $sTypeLabel = str_replace(' ','_',$sTypeLabel);
 287                                         if (!isset($aAddress[$sTypeLabel]) || (isset($aFallback[$sTypeLabel]) && $aFallback[$sTypeLabel]) || $aLine['class'] == 'place')
 288                                         {
 289                                                 $aAddress[$sTypeLabel] = $aLine['localname']?$aLine['localname']:$aLine['housenumber'];
 290                                         }
 291                                         $aFallback[$sTypeLabel] = $bFallback;
 292                                 }
 293                         }
 294                         return $aAddress;
 295                 }
 296
 297
 298
 299                 // returns an array which will contain the keys
 300                 //   aBoundingBox
 301                 // and may also contain one or more of the keys
 302                 //   asgeojson
 303                 //   askml
 304                 //   assvg
 305                 //   astext
 306                 //   lat
 307                 //   lon
 308                 function getOutlines($iPlaceID, $fLon=null, $fLat=null, $fRadius=null)
 309                 {
 310
 311                         $aOutlineResult = array();
 312                         if (!$iPlaceID) return $aOutlineResult;
 313
 314                         if (CONST_Search_AreaPolygons)
 315                         {
 316                                 // Get the bounding box and outline polygon
 317                                 $sSQL  = "select place_id,0 as numfeatures,st_area(geometry) as area,";
 318                                 $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
 319                                 $sSQL .= "ST_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,";
 320                                 $sSQL .= "ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon";
 321                                 if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
 322                                 if ($this->bIncludePolygonAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
 323                                 if ($this->bIncludePolygonAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
 324                                 if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ",ST_AsText(geometry) as astext";
 325                                 $sFrom = " from placex where place_id = ".$iPlaceID;
 326                                 if ($this->fPolygonSimplificationThreshold > 0)
 327                                 {
 328                                         $sSQL .= " from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,".$this->fPolygonSimplificationThreshold.") as geometry".$sFrom.") as plx";
 329                                 }
 330                                 else
 331                                 {
 332                                         $sSQL .= $sFrom;
 333                                 }
 334
 335                                 $aPointPolygon = $this->oDB->getRow($sSQL);
 336                                 if (PEAR::IsError($aPointPolygon))
 337                                 {
 338                                         echo var_dump($aPointPolygon);
 339                                         failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
 340                                 }
 341
 342                                 if ($aPointPolygon['place_id'])
 343                                 {
 344                                         if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null )
 345                                         {
 346                                                 $aOutlineResult['lat'] = $aPointPolygon['centrelat'];
 347                                                 $aOutlineResult['lon'] = $aPointPolygon['centrelon'];
 348                                         }
 349
 350                                         if ($this->bIncludePolygonAsGeoJSON) $aOutlineResult['asgeojson'] = $aPointPolygon['asgeojson'];
 351                                         if ($this->bIncludePolygonAsKML) $aOutlineResult['askml'] = $aPointPolygon['askml'];
 352                                         if ($this->bIncludePolygonAsSVG) $aOutlineResult['assvg'] = $aPointPolygon['assvg'];
 353                                         if ($this->bIncludePolygonAsText) $aOutlineResult['astext'] = $aPointPolygon['astext'];
 354                                         if ($this->bIncludePolygonAsPoints) $aOutlineResult['aPolyPoints'] = geometryText2Points($aPointPolygon['astext'], $fRadius);
 355
 356
 357                                         if (abs($aPointPolygon['minlat'] - $aPointPolygon['maxlat']) < 0.0000001)
 358                                         {
 359                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
 360                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
 361                                         }
 362                                         if (abs($aPointPolygon['minlon'] - $aPointPolygon['maxlon']) < 0.0000001)
 363                                         {
 364                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
 365                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
 366                                         }
 367
 368                                         $aOutlineResult['aBoundingBox'] = array(
 369                                                                           (string)$aPointPolygon['minlat'],
 370                                                                           (string)$aPointPolygon['maxlat'],
 371                                                                           (string)$aPointPolygon['minlon'],
 372                                                                           (string)$aPointPolygon['maxlon']
 373                                                                          );
 374                                 }
 375                         } // CONST_Search_AreaPolygons
 376
 377                         // as a fallback we generate a bounding box without knowing the size of the geometry
 378                         if ( (!isset($aOutlineResult['aBoundingBox'])) && isset($fLon) )
 379                         {
 380
 381                                 if ($this->bIncludePolygonAsPoints)
 382                                 {
 383                                         $sGeometryText = 'POINT('.$fLon.','.$fLat.')';
 384                                         $aOutlineResult['aPolyPoints'] = geometryText2Points($sGeometryText, $fRadius);
 385                                 }
 386
 387                                 $aBounds = array();
 388                                 $aBounds['minlat'] = $fLat - $fRadius;
 389                                 $aBounds['maxlat'] = $fLat + $fRadius;
 390                                 $aBounds['minlon'] = $fLon - $fRadius;
 391                                 $aBounds['maxlon'] = $fLon + $fRadius;
 392
 393                                 $aOutlineResult['aBoundingBox'] = array(
 394                                                                   (string)$aBounds['minlat'],
 395                                                                   (string)$aBounds['maxlat'],
 396                                                                   (string)$aBounds['minlon'],
 397                                                                   (string)$aBounds['maxlon']
 398                                                                  );
 399                         }
 400                         return $aOutlineResult;
 401                 }
 402         }
 403 ?>