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->fTigerFraction = $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->fTigerFraction."*(endnumber-startnumber)+startnumber)/2)::int*2+1";
 138                                 $sSQL .= " WHEN interpolationtype='even' THEN ((".$this->fTigerFraction."*(endnumber-startnumber)+startnumber+1)/2)::int*2";
 139                                 $sSQL .= " WHEN interpolationtype='all' THEN (".$this->fTigerFraction."*(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
 144                         {
 145                                 $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, ";
 146                                 $sSQL .= " coalesce(importance,0.75-(rank_search::float/40)) as importance, indexed_status, indexed_date, wikipedia, calculated_country_code, ";
 147                                 $sSQL .= " get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) as langaddress,";
 148                                 $sSQL .= " get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
 149                                 $sSQL .= " get_name_by_language(name, ARRAY['ref']) as ref,";
 150                                 if ($this->bExtraTags) $sSQL .= " hstore_to_json(extratags) as extra,";
 151                                 if ($this->bNameDetails) $sSQL .= " hstore_to_json(name) as names,";
 152                                 $sSQL .= " (case when centroid is null then st_y(st_centroid(geometry)) else st_y(centroid) end) as lat,";
 153                                 $sSQL .= " (case when centroid is null then st_x(st_centroid(geometry)) else st_x(centroid) end) as lon";
 154                                 $sSQL .= " from placex where place_id = ".(int)$this->iPlaceID;
 155                         }
 156
 157                         $aPlace = $this->oDB->getRow($sSQL);
 158
 159
 160                         if (PEAR::IsError($aPlace))
 161                         {
 162                                 failInternalError("Could not lookup place.", $sSQL, $aPlace);
 163                         }
 164
 165                         if (!$aPlace['place_id']) return null;
 166
 167                         if ($this->bAddressDetails)
 168                         {
 169                                 if(CONST_Use_US_Tiger_Data && $this->sType == 'tiger') // to get addressdetails for tiger data, the housenumber is needed
 170                                         $aAddress = $this->getAddressNames($aPlace['housenumber']);
 171                                 else
 172                                         $aAddress = $this->getAddressNames();
 173                                 $aPlace['aAddress'] = $aAddress;
 174                         }
 175
 176                         if ($this->bExtraTags)
 177                         {
 178                                 if ($aPlace['extra'])
 179                                 {
 180                                         $aPlace['sExtraTags'] = json_decode($aPlace['extra']);
 181                                 }
 182                                 else
 183                                 {
 184                                         $aPlace['sExtraTags'] = (object) array();
 185                                 }
 186                         }
 187
 188                         if ($this->bNameDetails)
 189                         {
 190                                 if ($aPlace['names'])
 191                                 {
 192                                         $aPlace['sNameDetails'] = json_decode($aPlace['names']);
 193                                 }
 194                                 else
 195                                 {
 196                                         $aPlace['sNameDetails'] = (object) array();
 197                                 }
 198                         }
 199
 200                         $aClassType = getClassTypes();
 201                         $sAddressType = '';
 202                         $sClassType = $aPlace['class'].':'.$aPlace['type'].':'.$aPlace['admin_level'];
 203                         if (isset($aClassType[$sClassType]) && isset($aClassType[$sClassType]['simplelabel']))
 204                         {
 205                                 $sAddressType = $aClassType[$aClassType]['simplelabel'];
 206                         }
 207                         else
 208                         {
 209                                 $sClassType = $aPlace['class'].':'.$aPlace['type'];
 210                                 if (isset($aClassType[$sClassType]) && isset($aClassType[$sClassType]['simplelabel']))
 211                                         $sAddressType = $aClassType[$sClassType]['simplelabel'];
 212                                 else $sAddressType = $aPlace['class'];
 213                         }
 214
 215                         $aPlace['addresstype'] = $sAddressType;
 216
 217                         return $aPlace;
 218                 }
 219
 220                 function getAddressDetails($bAll = false, $housenumber = -1)
 221                 {
 222                         if (!$this->iPlaceID) return null;
 223
 224                         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted", $this->aLangPrefOrder))."]";
 225
 226                         $sSQL = "select *,get_name_by_language(name,$sLanguagePrefArraySQL) as localname from get_addressdata(".$this->iPlaceID.",".$housenumber.")";
 227                         if (!$bAll) $sSQL .= " WHERE isaddress OR type = 'country_code'";
 228                         $sSQL .= " order by rank_address desc,isaddress desc";
 229
 230                         $aAddressLines = $this->oDB->getAll($sSQL);
 231                         if (PEAR::IsError($aAddressLines))
 232                         {
 233                                 var_dump($aAddressLines);
 234                                 exit;
 235                         }
 236                         return $aAddressLines;
 237                 }
 238
 239                 function getAddressNames($housenumber = -1)
 240                 {
 241                         $aAddressLines = $this->getAddressDetails(false, $housenumber);
 242
 243                         $aAddress = array();
 244                         $aFallback = array();
 245                         $aClassType = getClassTypes();
 246                         foreach($aAddressLines as $aLine)
 247                         {
 248                                 $bFallback = false;
 249                                 $aTypeLabel = false;
 250                                 if (isset($aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type'].':'.$aLine['admin_level']];
 251                                 elseif (isset($aClassType[$aLine['class'].':'.$aLine['type']])) $aTypeLabel = $aClassType[$aLine['class'].':'.$aLine['type']];
 252                                 elseif (isset($aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))]))
 253                                 {
 254                                         $aTypeLabel = $aClassType['boundary:administrative:'.((int)($aLine['rank_address']/2))];
 255                                         $bFallback = true;
 256                                 }
 257                                 else
 258                                 {
 259                                         $aTypeLabel = array('simplelabel'=>'address'.$aLine['rank_address']);
 260                                         $bFallback = true;
 261                                 }
 262                                 if ($aTypeLabel && ((isset($aLine['localname']) && $aLine['localname']) || (isset($aLine['housenumber']) && $aLine['housenumber'])))
 263                                 {
 264                                         $sTypeLabel = strtolower(isset($aTypeLabel['simplelabel'])?$aTypeLabel['simplelabel']:$aTypeLabel['label']);
 265                                         $sTypeLabel = str_replace(' ','_',$sTypeLabel);
 266                                         if (!isset($aAddress[$sTypeLabel]) || (isset($aFallback[$sTypeLabel]) && $aFallback[$sTypeLabel]) || $aLine['class'] == 'place')
 267                                         {
 268                                                 $aAddress[$sTypeLabel] = $aLine['localname']?$aLine['localname']:$aLine['housenumber'];
 269                                         }
 270                                         $aFallback[$sTypeLabel] = $bFallback;
 271                                 }
 272                         }
 273                         return $aAddress;
 274                 }
 275
 276
 277
 278                 // returns an array which will contain the keys
 279                 //   aBoundingBox
 280                 // and may also contain one or more of the keys
 281                 //   asgeojson
 282                 //   askml
 283                 //   assvg
 284                 //   astext
 285                 //   lat
 286                 //   lon
 287                 function getOutlines($iPlaceID, $fLon=null, $fLat=null, $fRadius=null)
 288                 {
 289
 290                         $aOutlineResult = array();
 291                         if (!$iPlaceID) return $aOutlineResult;
 292
 293                         if (CONST_Search_AreaPolygons)
 294                         {
 295                                 // Get the bounding box and outline polygon
 296                                 $sSQL  = "select place_id,0 as numfeatures,st_area(geometry) as area,";
 297                                 $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
 298                                 $sSQL .= "ST_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,";
 299                                 $sSQL .= "ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon";
 300                                 if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
 301                                 if ($this->bIncludePolygonAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
 302                                 if ($this->bIncludePolygonAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
 303                                 if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ",ST_AsText(geometry) as astext";
 304                                 $sFrom = " from placex where place_id = ".$iPlaceID;
 305                                 if ($this->fPolygonSimplificationThreshold > 0)
 306                                 {
 307                                         $sSQL .= " from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,".$this->fPolygonSimplificationThreshold.") as geometry".$sFrom.") as plx";
 308                                 }
 309                                 else
 310                                 {
 311                                         $sSQL .= $sFrom;
 312                                 }
 313
 314                                 $aPointPolygon = $this->oDB->getRow($sSQL);
 315                                 if (PEAR::IsError($aPointPolygon))
 316                                 {
 317                                         echo var_dump($aPointPolygon);
 318                                         failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
 319                                 }
 320
 321                                 if ($aPointPolygon['place_id'])
 322                                 {
 323                                         if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null )
 324                                         {
 325                                                 $aOutlineResult['lat'] = $aPointPolygon['centrelat'];
 326                                                 $aOutlineResult['lon'] = $aPointPolygon['centrelon'];
 327                                         }
 328
 329                                         if ($this->bIncludePolygonAsGeoJSON) $aOutlineResult['asgeojson'] = $aPointPolygon['asgeojson'];
 330                                         if ($this->bIncludePolygonAsKML) $aOutlineResult['askml'] = $aPointPolygon['askml'];
 331                                         if ($this->bIncludePolygonAsSVG) $aOutlineResult['assvg'] = $aPointPolygon['assvg'];
 332                                         if ($this->bIncludePolygonAsText) $aOutlineResult['astext'] = $aPointPolygon['astext'];
 333                                         if ($this->bIncludePolygonAsPoints) $aOutlineResult['aPolyPoints'] = geometryText2Points($aPointPolygon['astext'], $fRadius);
 334
 335
 336                                         if (abs($aPointPolygon['minlat'] - $aPointPolygon['maxlat']) < 0.0000001)
 337                                         {
 338                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
 339                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
 340                                         }
 341                                         if (abs($aPointPolygon['minlon'] - $aPointPolygon['maxlon']) < 0.0000001)
 342                                         {
 343                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
 344                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
 345                                         }
 346
 347                                         $aOutlineResult['aBoundingBox'] = array(
 348                                                                           (string)$aPointPolygon['minlat'],
 349                                                                           (string)$aPointPolygon['maxlat'],
 350                                                                           (string)$aPointPolygon['minlon'],
 351                                                                           (string)$aPointPolygon['maxlon']
 352                                                                          );
 353                                 }
 354                         } // CONST_Search_AreaPolygons
 355
 356                         // as a fallback we generate a bounding box without knowing the size of the geometry
 357                         if ( (!isset($aOutlineResult['aBoundingBox'])) && isset($fLon) )
 358                         {
 359
 360                                 if ($this->bIncludePolygonAsPoints)
 361                                 {
 362                                         $sGeometryText = 'POINT('.$fLon.','.$fLat.')';
 363                                         $aOutlineResult['aPolyPoints'] = geometryText2Points($sGeometryText, $fRadius);
 364                                 }
 365
 366                                 $aBounds = array();
 367                                 $aBounds['minlat'] = $fLat - $fRadius;
 368                                 $aBounds['maxlat'] = $fLat + $fRadius;
 369                                 $aBounds['minlon'] = $fLon - $fRadius;
 370                                 $aBounds['maxlon'] = $fLon + $fRadius;
 371
 372                                 $aOutlineResult['aBoundingBox'] = array(
 373                                                                   (string)$aBounds['minlat'],
 374                                                                   (string)$aBounds['maxlat'],
 375                                                                   (string)$aBounds['minlon'],
 376                                                                   (string)$aBounds['maxlon']
 377                                                                  );
 378                         }
 379                         return $aOutlineResult;
 380                 }
 381         }
 382 ?>