]> git.openstreetmap.org Git - nominatim.git/blobdiff - website/search.php
move error messages to consistent 'userError' function and return 400 Bad Request
[nominatim.git] / website / search.php
index 60df370d4ea6842e42fea75628c8c9f233aa6310..ee7979dc4c54b7d08a8e5ecfb2cedd90c25d679f 100755 (executable)
        }
 
        // Show / use polygons
-       $bShowPolygons = isset($_GET['polygon']) && $_GET['polygon'];
+       $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
+       $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
+       $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
+       $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
+       $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
+       if ((($bShowPolygons?1:0)  
+          + ($bAsGeoJSON?1:0) 
+          + ($bAsKML?1:0) 
+          + ($bAsSVG?1:0) 
+          + ($bAsTEXT?1:0) 
+               ) > CONST_PolygonOutput_MaximumTypes) {
+               if (CONST_PolygonOutput_MaximumTypes) {
+                       userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
+               } else {
+                       userError("Polygon output is disabled");
+               }
+               exit;
+       }
 
        // Show address breakdown
        $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
                $aPhrases = array_reverse($aPhrases); 
                $sQuery = join(', ',$aPhrases);
        }
+
+       function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
+       {
+               if (!isset($_GET[$sKey])) return false;
+               $sValue = trim($_GET[$sKey]);
+               if (!$sValue) return false;
+               $aStructuredQuery[$sKey] = $sValue;
+               if ($iMinAddressRank == 0 && $iMaxAddressRank == 30) {
+                       $iMinAddressRank = $iNewMinAddressRank;
+                       $iMaxAddressRank = $iNewMaxAddressRank;
+               }
+               return true;
+       }
+
+       // Structured query?
+       $aStructuredOptions = array(
+                               array('amenity', 26, 30),
+                               array('street', 26, 30),
+                               array('city', 14, 24),
+                               array('county', 9, 13),
+                               array('state', 8, 8),
+                               array('country', 4, 4),
+                               array('postalcode', 16, 25),
+                               );
+       $aStructuredQuery = array();
+       foreach($aStructuredOptions as $aStructuredOption)
+       {
+               loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
+       }
+       if (sizeof($aStructuredQuery) > 0) {
+               $sQuery = join(', ', $aStructuredQuery);
+       }
+
        if ($sQuery)
        {
                $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
                        $aPoints = explode(',',$_GET['route']);
                        if (sizeof($aPoints) % 2 != 0)
                        {
-                               echo "Uneven number of points";
+                               userError("Uneven number of points");
                                exit;
                        }
                        $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
                        }
                }
 
-               if ($sQuery)
+               if ($sQuery || $aStructuredQuery)
                {
                        // Start with a blank search
                        $aSearches = array(
 
                        preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
                        $aSpecialTerms = array();
+                       if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
+                       {
+                               $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
+                               unset($aStructuredQuery['amenity']);
+                       }
                        foreach($aSpecialTermsRaw as $aSpecialTerm)
                        {
                                $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
                                $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
                                $sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';
-                               $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\',\'highway\')) or country_code is not null';
+                               $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
                                if (CONST_Debug) var_Dump($sSQL);
                                $aSearchWords = $oDB->getAll($sSQL);
                                $aNewSearches = array();
 
                        // Split query into phrases
                        // Commas are used to reduce the search space by indicating where phrases split
-                       $aPhrases = explode(',',$sQuery);
+                       if (sizeof($aStructuredQuery) > 0)
+                       {
+                               $aPhrases = $aStructuredQuery;
+                               $bStructuredPhrases = true;
+                       }
+                       else
+                       {
+                               $aPhrases = explode(',',$sQuery);
+                               $bStructuredPhrases = false;
+                       }
+
 
                        // Convert each phrase to standard form
                        // Create a list of standard words
                                $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
                                if (PEAR::isError($aPhrase))
                                {
-                                       echo "Illegal query string (not an UTF-8 string): ".$sPhrase;
+                                       userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
                                        if (CONST_Debug) var_dump($aPhrase);
                                        exit;
                                }
                        }
 
                        // reindex phrases - we make assumptions later on
+                       $aPhraseTypes = array_keys($aPhrases);
                        $aPhrases = array_values($aPhrases);
 
                        if (sizeof($aTokens))
                        // Check which tokens we have, get the ID numbers                       
                        $sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator';
                        $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
-                       $sSQL .= ' and (class is null or class not in (\'highway\'))';
+                       $sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
 //                     $sSQL .= ' group by word_token, word, class, type, location, country_code';
 
                        if (CONST_Debug) var_Dump($sSQL);
                                Calculate all searches using aValidTokens i.e.
 
                                'Wodsworth Road, Sheffield' =>
-                                       
+
                                Phrase Wordset
                                0      0       (wodsworth road)
                                0      1       (wodsworth)(road)
                                1      0       (sheffield)
-                               
+
                                Score how good the search is so they can be ordered
                        */
                                foreach($aPhrases as $iPhrase => $sPhrase)
                                {
                                        $aNewPhraseSearches = array();
+                                       if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
+                                       else $sPhraseType = '';
 
-                                       foreach($aPhrases[$iPhrase]['wordsets'] as $iWordset => $aWordset)
+                                       foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
                                        {
                                                $aWordsetSearches = $aSearches;
 
                                                // Add all words from this wordset
-                                               foreach($aWordset as $sToken)
+                                               foreach($aWordset as $iToken => $sToken)
                                                {
 //echo "<br><b>$sToken</b>";
                                                        $aNewWordsetSearches = array();
-                                                       
+
                                                        foreach($aWordsetSearches as $aCurrentSearch)
                                                        {
 //echo "<i>";
                                                                        {
                                                                                $aSearch = $aCurrentSearch;
                                                                                $aSearch['iSearchRank']++;
-                                                                               if ($aSearchTerm['country_code'] !== null && $aSearchTerm['country_code'] != '0')
+                                                                               if (($sPhraseType == '' || $sPhraseType == 'country') && $aSearchTerm['country_code'] !== null && $aSearchTerm['country_code'] != '0')
                                                                                {
                                                                                        if ($aSearch['sCountryCode'] === false)
                                                                                        {
                                                                                                $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
                                                                                                // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
-                                                                                               if ($iWordset+1 != sizeof($aPhrases[$iPhrase]['wordsets']) || $iPhrase+1 != sizeof($aPhrases)) $aSearch['iSearchRank'] += 5;
+                                                                                               if ($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) $aSearch['iSearchRank'] += 5;
                                                                                                if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                }
                                                                                                if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                }
-                                                                               elseif ($aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
+                                                                               elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
                                                                                {
                                                                                        if ($aSearch['sHouseNumber'] === '')
                                                                                        {
 */
                                                                                        }
                                                                                }
-                                                                               elseif ($aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
+                                                                               elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
                                                                                {
                                                                                        if ($aSearch['sClass'] === '')
                                                                                        {
                                                                                {
                                                                                        if (sizeof($aSearch['aName']))
                                                                                        {
-                                                                                               if (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false)
+                                                                                               if (($sPhraseType != 'street' && $sPhraseType != 'country') && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
                                                                                                {
                                                                                                        $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                }
                                                                        {
                                                                                if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
                                                                                {
-//var_Dump('<hr>',$aSearch['aName']);
-
-                                                                               if (sizeof($aCurrentSearch['aName'])  && strlen($sToken) >= 4)
-                                                                               {
-                                                                               $aSearch = $aCurrentSearch;
-                                                                                       $aSearch['iSearchRank'] += 1;
-                                                                                       $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                               if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                               }
+                                                                                       if (($sPhraseType != 'street') && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
+                                                                                       {
+                                                                                               $aSearch = $aCurrentSearch;
+                                                                                               $aSearch['iSearchRank'] += 1;
+                                                                                               $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                                                                               if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                                                                       }
 
-                                                                               if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
-                                                                               {
-                                                                               $aSearch = $aCurrentSearch;
-                                                                                       $aSearch['iSearchRank'] += 2;
-                                                                                       if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
-                                                                                       $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                       $aSearch['iNamePhrase'] = $iPhrase;
-                                                                               if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                               }
+                                                                                       if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
+                                                                                       {
+                                                                                               $aSearch = $aCurrentSearch;
+                                                                                               $aSearch['iSearchRank'] += 2;
+                                                                                               if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
+                                                                                               $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                                                                               $aSearch['iNamePhrase'] = $iPhrase;
+                                                                                               if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                                                                       }
                                                                                }
                                                                        }
                                                                }
                                                                {
                                                                $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
                                                                if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
-                                                               $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
+                                                               $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid) and linked_place_id is null";
                                                                if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";                                                             
                                                                if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
                                                                $sSQL .= " limit $iLimit";
                                                                {
                                                                        $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
                                                                        if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
-                                                                       $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
+                                                                       $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid) and linked_place_id is null";
                                                                        if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";                                                             
                                                                        if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
                                                                        $sSQL .= " limit $iLimit";
                                                        else
                                                        {
                                                                $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
-                                                               $sSQL .= " and st_contains($sViewboxSmallSQL, centroid)";
+                                                               $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
                                                                if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";                                                             
                                                                if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
                                                                $sSQL .= " limit $iLimit";
                                                                {
                                                                        // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
                                                                        $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
+                                                                       $sSQL = " and linked_place_id is null";
                                                                        if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";                                                             
                                                                        $sSQL .= " order by rank_search asc limit $iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
                        $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
                        $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
                        $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
-                       $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon,";
-                       $sSQL .= "ST_AsText(geometry) as outlinestring from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
+                       $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
+                       if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
+                       if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
+                       if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
+                       if ($bAsText) $sSQL .= ",ST_AsText(geometry) as astext";
+                       if ($bShowPolygons) $sSQL .= ",ST_AsText(geometry) as outlinestring";
+                       $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
                        $aPointPolygon = $oDB->getRow($sSQL);
                        if (PEAR::IsError($aPointPolygon))
                        {
                        }
                        if ($aPointPolygon['place_id'])
                        {
+                               if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
+                               if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
+                               if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
+                               if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
+
                                if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
                                        $aResult['lat'] = $aPointPolygon['centrelat'];
                                        $aResult['lon'] = $aPointPolygon['centrelon'];
                                }
-                               // Translate geometary string to point array
-                               if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
+                               if ($bShowPolygons) 
                                {
-                                       preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
-                               }
-                               elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
-                               {
-                                       $fRadius = 0.01;
-                                       $iSteps = ($fRadius * 40000)^2;
-                                       $fStepSize = (2*pi())/$iSteps;
-                                       $aPolyPoints = array();
-                                       for($f = 0; $f < 2*pi(); $f += $fStepSize)
+                                       // Translate geometary string to point array
+                                       if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
                                        {
-                                               $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
+                                               preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+                                       }
+                                       elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
+                                       {
+                                               preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+                                       }
+                                       elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
+                                       {
+                                               $fRadius = 0.01;
+                                               $iSteps = ($fRadius * 40000)^2;
+                                               $fStepSize = (2*pi())/$iSteps;
+                                               $aPolyPoints = array();
+                                               for($f = 0; $f < 2*pi(); $f += $fStepSize)
+                                               {
+                                                       $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
+                                               }
+                                               $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
+                                               $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
+                                               $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
+                                               $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
                                        }
-                                       $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
-                                       $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
-                                       $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
-                                       $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
                                }
 
                                // Output data suitable for display (points and a bounding box)