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                         if ((float) CONST_Postgresql_Version > 9.2)
  46                         {
  47                                 $this->bExtraTags = $bExtraTags;
  48                         }
  49                 }
  50
  51                 function setIncludeNameDetails($bNameDetails = false)
  52                 {
  53                         if ((float) CONST_Postgresql_Version > 9.2)
  54                         {
  55                                 $this->bNameDetails = $bNameDetails;
  56                         }
  57                 }
  58
  59
  60                 function setIncludePolygonAsPoints($b = true)
  61                 {
  62                         $this->bIncludePolygonAsPoints = $b;
  63                 }
  64
  65                 function getIncludePolygonAsPoints()
  66                 {
  67                         return $this->bIncludePolygonAsPoints;
  68                 }
  69
  70                 function setIncludePolygonAsText($b = true)
  71                 {
  72                         $this->bIncludePolygonAsText = $b;
  73                 }
  74
  75                 function getIncludePolygonAsText()
  76                 {
  77                         return $this->bIncludePolygonAsText;
  78                 }
  79
  80                 function setIncludePolygonAsGeoJSON($b = true)
  81                 {
  82                         $this->bIncludePolygonAsGeoJSON = $b;
  83                 }
  84
  85                 function setIncludePolygonAsKML($b = true)
  86                 {
  87                         $this->bIncludePolygonAsKML = $b;
  88                 }
  89
  90                 function setIncludePolygonAsSVG($b = true)
  91                 {
  92                         $this->bIncludePolygonAsSVG = $b;
  93                 }
  94
  95                 function setPolygonSimplificationThreshold($f)
  96                 {
  97                         $this->fPolygonSimplificationThreshold = $f;
  98                 }
  99
 100
 101                 function setPlaceID($iPlaceID)
 102                 {
 103                         $this->iPlaceID = $iPlaceID;
 104                 }
 105
 106                 function setOSMID($sType, $iID)
 107                 {
 108                         $sSQL = "select place_id from placex where osm_type = '".pg_escape_string($sType)."' and osm_id = ".(int)$iID." order by type = 'postcode' asc";
 109                         $this->iPlaceID = $this->oDB->getOne($sSQL);
 110                 }
 111
 112                 function lookupPlace($details)
 113                 {
 114                         if (isset($details['place_id'])) $this->iPlaceID = $details['place_id'];
 115                         if (isset($details['type'])) $this->sType = $details['type'];
 116                         if (isset($details['osm_type']) && isset($details['osm_id']))
 117                         {
 118                                 $this->setOSMID($details['osm_type'], $details['osm_id']);
 119                         }
 120             if (isset($details['fraction'])) $this->fTigerFraction = $details['fraction'];
 121
 122                         return $this->lookup();
 123                 }
 124
 125                 function lookup()
 126                 {
 127                         if (!$this->iPlaceID) return null;
 128
 129                         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted", $this->aLangPrefOrder))."]";
 130
 131                         if ($this->sType == 'tiger')
 132                         {
 133                                 $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,";
 134                                 $sSQL .= " 'us' as country_code, parent_place_id, null as linked_place_id, 30 as rank_address, 30 as rank_search,";
 135                                 $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, ";
 136                                 $sSQL .= " get_address_by_language(place_id, housenumber,$sLanguagePrefArraySQL) as langaddress,";
 137                                 $sSQL .= " null as placename,";
 138                                 $sSQL .= " null as ref,";
 139                                 if ($this->bExtraTags) $sSQL .= " null as extra,";
 140                                 if ($this->bNameDetails) $sSQL .= " null as names,";
 141                                 $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 ";
 142                                 $sSQL .= " (select *, ";
 143                 $sSQL .= " CASE WHEN interpolationtype='odd' THEN floor((".$this->fTigerFraction."*(endnumber-startnumber)+startnumber)/2)::int*2+1";
 144                 $sSQL .= " WHEN interpolationtype='even' THEN ((".$this->fTigerFraction."*(endnumber-startnumber)+startnumber+1)/2)::int*2";
 145                 $sSQL .= " WHEN interpolationtype='all' THEN (".$this->fTigerFraction."*(endnumber-startnumber)+startnumber)::int";
 146                 $sSQL .= " END as housenumber";
 147                 $sSQL .= " from location_property_tiger where place_id = ".(int)$this->iPlaceID.") as blub1) as blub2";
 148                         }
 149                         else
 150                         {
 151                                 $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, ";
 152                                 $sSQL .= " coalesce(importance,0.75-(rank_search::float/40)) as importance, indexed_status, indexed_date, wikipedia, calculated_country_code, ";
 153                                 $sSQL .= " get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) as langaddress,";
 154                                 $sSQL .= " get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
 155                                 $sSQL .= " get_name_by_language(name, ARRAY['ref']) as ref,";
 156                                 if ($this->bExtraTags) $sSQL .= " hstore_to_json(extratags) as extra,";
 157                                 if ($this->bNameDetails) $sSQL .= " hstore_to_json(name) as names,";
 158                                 $sSQL .= " (case when centroid is null then st_y(st_centroid(geometry)) else st_y(centroid) end) as lat,";
 159                                 $sSQL .= " (case when centroid is null then st_x(st_centroid(geometry)) else st_x(centroid) end) as lon";
 160                                 $sSQL .= " from placex where place_id = ".(int)$this->iPlaceID;
 161                         }
 162
 163                         $aPlace = $this->oDB->getRow($sSQL);
 164
 165
 166                         if (PEAR::IsError($aPlace))
 167                         {
 168                                 failInternalError("Could not lookup place.", $sSQL, $aPlace);
 169                         }
 170
 171                         if (!$aPlace['place_id']) return null;
 172
 173                         if ($this->bAddressDetails)
 174                         {
 175                 if($this->sType == 'tiger') // to get addressdetails for tiger data, the housenumber is needed
 176                     $aAddress = $this->getAddressNames($aPlace['housenumber']);
 177                 else
 178                     $aAddress = $this->getAddressNames();
 179                                 $aPlace['aAddress'] = $aAddress;
 180                         }
 181
 182                         if ($this->bExtraTags)
 183                         {
 184                                 if ($aPlace['extra'])
 185                                 {
 186                                         $aPlace['sExtraTags'] = json_decode($aPlace['extra']);
 187                                 }
 188                                 else
 189                                 {
 190                                         $aPlace['sExtraTags'] = (object) array();
 191                                 }
 192                         }
 193
 194                         if ($this->bNameDetails)
 195                         {
 196                                 if ($aPlace['names'])
 197                                 {
 198                                         $aPlace['sNameDetails'] = json_decode($aPlace['names']);
 199                                 }
 200                                 else
 201                                 {
 202                                         $aPlace['sNameDetails'] = (object) array();
 203                                 }
 204                         }
 205
 206                         $aClassType = getClassTypes();
 207                         $sAddressType = '';
 208                         $sClassType = $aPlace['class'].':'.$aPlace['type'].':'.$aPlace['admin_level'];
 209                         if (isset($aClassType[$sClassType]) && isset($aClassType[$sClassType]['simplelabel']))
 210                         {
 211                                 $sAddressType = $aClassType[$aClassType]['simplelabel'];
 212                         }
 213                         else
 214                         {
 215                                 $sClassType = $aPlace['class'].':'.$aPlace['type'];
 216                                 if (isset($aClassType[$sClassType]) && isset($aClassType[$sClassType]['simplelabel']))
 217                                         $sAddressType = $aClassType[$sClassType]['simplelabel'];
 218                                 else $sAddressType = $aPlace['class'];
 219                         }
 220
 221                         $aPlace['addresstype'] = $sAddressType;
 222
 223                         return $aPlace;
 224                 }
 225
 226                 function getAddressDetails($bAll = false, $housenumber = -1)
 227                 {
 228                         if (!$this->iPlaceID) return null;
 229
 230                         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted", $this->aLangPrefOrder))."]";
 231
 232                         $sSQL = "select *,get_name_by_language(name,$sLanguagePrefArraySQL) as localname from get_addressdata(".$this->iPlaceID.",".$housenumber.")";
 233                         if (!$bAll) $sSQL .= " WHERE isaddress OR type = 'country_code'";
 234                         $sSQL .= " order by rank_address desc,isaddress desc";
 235
 236                         $aAddressLines = $this->oDB->getAll($sSQL);
 237                         if (PEAR::IsError($aAddressLines))
 238                         {
 239                                 var_dump($aAddressLines);
 240                                 exit;
 241                         }
 242                         return $aAddressLines;
 243                 }
 244
 245                 function getAddressNames($housenumber = -1)
 246                 {
 247                         $aAddressLines = $this->getAddressDetails(false, $housenumber);
 248
 249                         $aAddress = array();
 250                         $aFallback = array();
 251                         $aClassType = getClassTypes();
 252                         foreach($aAddressLines as $aLine)
 253                         {
 254                                 $bFallback = false;
 255                                 $aTypeLabel = false;
 256                                 if (isset($aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']];
 257                                 elseif (isset($aClassType[$aLine['class'].':'.$aLine['type']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type']];
 258                                 elseif (isset($aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))]))
 259                                 {
 260                                         $aTypeLabel = $aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))];
 261                                         $bFallback = true;
 262                                 }
 263                                 else
 264                                 {
 265                                         $aTypeLabel = array('simplelabel'=>'address'.$aLine['rank_address']);
 266                                         $bFallback = true;
 267                                 }
 268                                 if ($aTypeLabel && ((isset($aLine['localname']) && $aLine['localname']) || (isset($aLine['housenumber']) && $aLine['housenumber'])))
 269                                 {
 270                                         $sTypeLabel = strtolower(isset($aTypeLabel['simplelabel'])?$aTypeLabel['simplelabel']:$aTypeLabel['label']);
 271                                         $sTypeLabel = str_replace(' ','_',$sTypeLabel);
 272                                         if (!isset($aAddress[$sTypeLabel]) || (isset($aFallback[$sTypeLabel]) && $aFallback[$sTypeLabel]) || $aLine['class'] == 'place')
 273                                         {
 274                                                 $aAddress[$sTypeLabel] = $aLine['localname']?$aLine['localname']:$aLine['housenumber'];
 275                                         }
 276                                         $aFallback[$sTypeLabel] = $bFallback;
 277                                 }
 278                         }
 279                         return $aAddress;
 280                 }
 281
 282
 283
 284                 // returns an array which will contain the keys
 285                 //   aBoundingBox
 286                 // and may also contain one or more of the keys
 287                 //   asgeojson
 288                 //   askml
 289                 //   assvg
 290                 //   astext
 291                 //   lat
 292                 //   lon
 293                 function getOutlines($iPlaceID, $fLon=null, $fLat=null, $fRadius=null)
 294                 {
 295
 296                         $aOutlineResult = array();
 297                         if (!$iPlaceID) return $aOutlineResult;
 298
 299                         if (CONST_Search_AreaPolygons)
 300                         {
 301                                 // Get the bounding box and outline polygon
 302                                 $sSQL  = "select place_id,0 as numfeatures,st_area(geometry) as area,";
 303                                 $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
 304                                 $sSQL .= "ST_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,";
 305                                 $sSQL .= "ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon";
 306                                 if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
 307                                 if ($this->bIncludePolygonAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
 308                                 if ($this->bIncludePolygonAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
 309                                 if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ",ST_AsText(geometry) as astext";
 310                                 $sFrom = " from placex where place_id = ".$iPlaceID;
 311                                 if ($this->fPolygonSimplificationThreshold > 0)
 312                                 {
 313                                         $sSQL .= " from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,".$this->fPolygonSimplificationThreshold.") as geometry".$sFrom.") as plx";
 314                                 }
 315                                 else
 316                                 {
 317                                         $sSQL .= $sFrom;
 318                                 }
 319
 320                                 $aPointPolygon = $this->oDB->getRow($sSQL);
 321                                 if (PEAR::IsError($aPointPolygon))
 322                                 {
 323                                         echo var_dump($aPointPolygon);
 324                                         failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
 325                                 }
 326
 327                                 if ($aPointPolygon['place_id'])
 328                                 {
 329                                         if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null )
 330                                         {
 331                                                 $aOutlineResult['lat'] = $aPointPolygon['centrelat'];
 332                                                 $aOutlineResult['lon'] = $aPointPolygon['centrelon'];
 333                                         }
 334
 335                                         if ($this->bIncludePolygonAsGeoJSON) $aOutlineResult['asgeojson'] = $aPointPolygon['asgeojson'];
 336                                         if ($this->bIncludePolygonAsKML) $aOutlineResult['askml'] = $aPointPolygon['askml'];
 337                                         if ($this->bIncludePolygonAsSVG) $aOutlineResult['assvg'] = $aPointPolygon['assvg'];
 338                                         if ($this->bIncludePolygonAsText) $aOutlineResult['astext'] = $aPointPolygon['astext'];
 339                                         if ($this->bIncludePolygonAsPoints) $aOutlineResult['aPolyPoints'] = geometryText2Points($aPointPolygon['astext'], $fRadius);
 340
 341
 342                                         if (abs($aPointPolygon['minlat'] - $aPointPolygon['maxlat']) < 0.0000001)
 343                                         {
 344                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
 345                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
 346                                         }
 347                                         if (abs($aPointPolygon['minlon'] - $aPointPolygon['maxlon']) < 0.0000001)
 348                                         {
 349                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
 350                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
 351                                         }
 352
 353                                         $aOutlineResult['aBoundingBox'] = array(
 354                                                                           (string)$aPointPolygon['minlat'],
 355                                                                           (string)$aPointPolygon['maxlat'],
 356                                                                           (string)$aPointPolygon['minlon'],
 357                                                                           (string)$aPointPolygon['maxlon']
 358                                                                          );
 359                                 }
 360                         } // CONST_Search_AreaPolygons
 361
 362                         // as a fallback we generate a bounding box without knowing the size of the geometry
 363                         if ( (!isset($aOutlineResult['aBoundingBox'])) && isset($fLon) )
 364                         {
 365
 366                                 if ($this->bIncludePolygonAsPoints)
 367                                 {
 368                                         $sGeometryText = 'POINT('.$fLon.','.$fLat.')';
 369                                         $aOutlineResult['aPolyPoints'] = geometryText2Points($sGeometryText, $fRadius);
 370                                 }
 371
 372                                 $aBounds = array();
 373                                 $aBounds['minlat'] = $fLat - $fRadius;
 374                                 $aBounds['maxlat'] = $fLat + $fRadius;
 375                                 $aBounds['minlon'] = $fLon - $fRadius;
 376                                 $aBounds['maxlon'] = $fLon + $fRadius;
 377
 378                                 $aOutlineResult['aBoundingBox'] = array(
 379                                                                   (string)$aBounds['minlat'],
 380                                                                   (string)$aBounds['maxlat'],
 381                                                                   (string)$aBounds['minlon'],
 382                                                                   (string)$aBounds['maxlon']
 383                                                                  );
 384                         }
 385                         return $aOutlineResult;
 386                 }
 387         }
 388 ?>