mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-12-27 15:05:28 +03:00
a48ebd9b47
Moving the logic for extending the SearchDescription into the token classes splits up the code and makes it more readable. More importantly: it allows tokenizer to define custom token classes in the future.
912 lines
32 KiB
PHP
912 lines
32 KiB
PHP
<?php
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namespace Nominatim;
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require_once(CONST_LibDir.'/SpecialSearchOperator.php');
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require_once(CONST_LibDir.'/SearchContext.php');
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require_once(CONST_LibDir.'/Result.php');
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/**
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* Description of a single interpretation of a search query.
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*/
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class SearchDescription
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{
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/// Ranking how well the description fits the query.
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private $iSearchRank = 0;
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/// Country code of country the result must belong to.
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private $sCountryCode = '';
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/// List of word ids making up the name of the object.
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private $aName = array();
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/// True if the name is rare enough to force index use on name.
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private $bRareName = false;
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/// List of word ids making up the address of the object.
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private $aAddress = array();
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/// List of word ids that appear in the name but should be ignored.
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private $aNameNonSearch = array();
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/// List of word ids that appear in the address but should be ignored.
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private $aAddressNonSearch = array();
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/// Kind of search for special searches, see Nominatim::Operator.
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private $iOperator = Operator::NONE;
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/// Class of special feature to search for.
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private $sClass = '';
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/// Type of special feature to search for.
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private $sType = '';
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/// Housenumber of the object.
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private $sHouseNumber = '';
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/// Postcode for the object.
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private $sPostcode = '';
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/// Global search constraints.
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private $oContext;
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// Temporary values used while creating the search description.
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/// Index of phrase currently processed.
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private $iNamePhrase = -1;
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/**
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* Create an empty search description.
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*
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* @param object $oContext Global context to use. Will be inherited by
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* all derived search objects.
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*/
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public function __construct($oContext)
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{
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$this->oContext = $oContext;
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}
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/**
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* Get current search rank.
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*
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* The higher the search rank the lower the likelihood that the
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* search is a correct interpretation of the search query.
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*
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* @return integer Search rank.
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*/
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public function getRank()
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{
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return $this->iSearchRank;
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}
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/**
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* Extract key/value pairs from a query.
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*
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* Key/value pairs are recognised if they are of the form [<key>=<value>].
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* If multiple terms of this kind are found then all terms are removed
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* but only the first is used for search.
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*
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* @param string $sQuery Original query string.
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*
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* @return string The query string with the special search patterns removed.
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*/
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public function extractKeyValuePairs($sQuery)
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{
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// Search for terms of kind [<key>=<value>].
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preg_match_all(
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'/\\[([\\w_]*)=([\\w_]*)\\]/',
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$sQuery,
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$aSpecialTermsRaw,
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PREG_SET_ORDER
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);
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foreach ($aSpecialTermsRaw as $aTerm) {
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$sQuery = str_replace($aTerm[0], ' ', $sQuery);
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if (!$this->hasOperator()) {
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$this->setPoiSearch(Operator::TYPE, $aTerm[1], $aTerm[2]);
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}
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}
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return $sQuery;
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}
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/**
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* Check if the combination of parameters is sensible.
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*
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* @return bool True, if the search looks valid.
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*/
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public function isValidSearch()
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{
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if (empty($this->aName)) {
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if ($this->sHouseNumber) {
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return false;
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}
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if (!$this->sClass && !$this->sCountryCode) {
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return false;
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}
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}
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return true;
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}
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/////////// Search building functions
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public function clone($iTermCost)
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{
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$oSearch = clone $this;
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$oSearch->iSearchRank += $iTermCost;
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return $oSearch;
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}
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public function hasName($bIncludeNonNames = false)
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{
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return !empty($this->aName)
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|| (!empty($this->aNameNonSearch) && $bIncludeNonNames);
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}
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public function hasAddress()
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{
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return !empty($this->aAddress) || !empty($this->aAddressNonSearch);
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}
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public function hasCountry()
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{
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return $this->sCountryCode !== '';
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}
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public function hasPostcode()
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{
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return $this->sPostcode !== '';
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}
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public function hasHousenumber()
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{
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return $this->sHouseNumber !== '';
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}
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public function hasOperator($iOperator = null)
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{
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return $iOperator === null ? $this->iOperator != Operator::NONE : $this->iOperator == $iOperator;
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}
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public function addAddressToken($iId, $bSearchable = true)
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{
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if ($bSearchable) {
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$this->aAddress[$iId] = $iId;
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} else {
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$this->aAddressNonSearch[$iId] = $iId;
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}
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}
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public function addNameToken($iId)
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{
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$this->aName[$iId] = $iId;
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}
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public function addPartialNameToken($iId, $bSearchable, $iPhraseNumber)
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{
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if ($bSearchable) {
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$this->aName[$iId] = $iId;
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} else {
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$this->aNameNonSearch[$iId] = $iId;
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}
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$this->iNamePhrase = $iPhraseNumber;
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}
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public function markRareName()
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{
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$this->bRareName = true;
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}
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public function setCountry($sCountryCode)
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{
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$this->sCountryCode = $sCountryCode;
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$this->iNamePhrase = -1;
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}
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public function setPostcode($sPostcode)
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{
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$this->sPostcode = $sPostcode;
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$this->iNamePhrase = -1;
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}
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public function setPostcodeAsName($iId, $sPostcode)
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{
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$this->iOperator = Operator::POSTCODE;
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$this->aAddress = array_merge($this->aAddress, $this->aName);
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$this->aName = array($iId => $sPostcode);
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$this->bRareName = true;
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$this->iNamePhrase = -1;
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}
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public function setHousenumber($sNumber)
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{
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$this->sHouseNumber = $sNumber;
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$this->iNamePhrase = -1;
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}
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public function setHousenumberAsName($iId)
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{
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$this->aAddress = array_merge($this->aAddress, $this->aName);
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$this->bRareName = false;
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$this->aName = array($iId => $iId);
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$this->iNamePhrase = -1;
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}
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/**
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* Make this search a POI search.
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*
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* In a POI search, objects are not (only) searched by their name
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* but also by the primary OSM key/value pair (class and type in Nominatim).
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*
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* @param integer $iOperator Type of POI search
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* @param string $sClass Class (or OSM tag key) of POI.
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* @param string $sType Type (or OSM tag value) of POI.
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*
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* @return void
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*/
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public function setPoiSearch($iOperator, $sClass, $sType)
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{
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$this->iOperator = $iOperator;
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$this->sClass = $sClass;
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$this->sType = $sType;
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$this->iNamePhrase = -1;
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}
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public function getNamePhrase()
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{
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return $this->iNamePhrase;
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}
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public function getContext()
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{
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return $this->oContext;
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}
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/////////// Query functions
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/**
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* Query database for places that match this search.
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*
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* @param object $oDB Nominatim::DB instance to use.
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* @param integer $iMinRank Minimum address rank to restrict search to.
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* @param integer $iMaxRank Maximum address rank to restrict search to.
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* @param integer $iLimit Maximum number of results.
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*
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* @return mixed[] An array with two fields: IDs contains the list of
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* matching place IDs and houseNumber the houseNumber
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* if appicable or -1 if not.
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*/
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public function query(&$oDB, $iMinRank, $iMaxRank, $iLimit)
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{
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$aResults = array();
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if ($this->sCountryCode
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&& empty($this->aName)
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&& !$this->iOperator
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&& !$this->sClass
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&& !$this->oContext->hasNearPoint()
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) {
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// Just looking for a country - look it up
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if (4 >= $iMinRank && 4 <= $iMaxRank) {
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$aResults = $this->queryCountry($oDB);
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}
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} elseif (empty($this->aName) && empty($this->aAddress)) {
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// Neither name nor address? Then we must be
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// looking for a POI in a geographic area.
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if ($this->oContext->isBoundedSearch()) {
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$aResults = $this->queryNearbyPoi($oDB, $iLimit);
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}
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} elseif ($this->iOperator == Operator::POSTCODE) {
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// looking for postcode
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$aResults = $this->queryPostcode($oDB, $iLimit);
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} else {
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// Ordinary search:
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// First search for places according to name and address.
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$aResults = $this->queryNamedPlace(
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$oDB,
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$iMinRank,
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$iMaxRank,
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$iLimit
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);
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// Now search for housenumber, if housenumber provided. Can be zero.
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if (($this->sHouseNumber || $this->sHouseNumber === '0') && !empty($aResults)) {
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$aHnResults = $this->queryHouseNumber($oDB, $aResults);
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// Downgrade the rank of the street results, they are missing
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// the housenumber. Also drop POI places (rank 30) here, they
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// cannot be a parent place and therefore must not be shown
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// as a result for a search with a missing housenumber.
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foreach ($aResults as $oRes) {
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if ($oRes->iAddressRank < 28) {
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if ($oRes->iAddressRank >= 26) {
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$oRes->iResultRank++;
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} else {
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$oRes->iResultRank += 2;
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}
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$aHnResults[$oRes->iId] = $oRes;
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}
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}
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$aResults = $aHnResults;
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}
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// finally get POIs if requested
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if ($this->sClass && !empty($aResults)) {
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$aResults = $this->queryPoiByOperator($oDB, $aResults, $iLimit);
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}
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}
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Debug::printDebugTable('Place IDs', $aResults);
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if (!empty($aResults) && $this->sPostcode) {
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$sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
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if ($sPlaceIds) {
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$sSQL = 'SELECT place_id FROM placex';
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$sSQL .= ' WHERE place_id in ('.$sPlaceIds.')';
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$sSQL .= " AND postcode != '".$this->sPostcode."'";
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Debug::printSQL($sSQL);
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$aFilteredPlaceIDs = $oDB->getCol($sSQL);
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if ($aFilteredPlaceIDs) {
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foreach ($aFilteredPlaceIDs as $iPlaceId) {
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$aResults[$iPlaceId]->iResultRank++;
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}
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}
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}
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}
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return $aResults;
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}
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private function queryCountry(&$oDB)
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{
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$sSQL = 'SELECT place_id FROM placex ';
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$sSQL .= "WHERE country_code='".$this->sCountryCode."'";
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$sSQL .= ' AND rank_search = 4';
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if ($this->oContext->bViewboxBounded) {
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$sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
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}
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$sSQL .= ' ORDER BY st_area(geometry) DESC LIMIT 1';
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Debug::printSQL($sSQL);
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$iPlaceId = $oDB->getOne($sSQL);
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$aResults = array();
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if ($iPlaceId) {
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$aResults[$iPlaceId] = new Result($iPlaceId);
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}
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return $aResults;
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}
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private function queryNearbyPoi(&$oDB, $iLimit)
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{
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if (!$this->sClass) {
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return array();
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}
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$aDBResults = array();
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$sPoiTable = $this->poiTable();
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if ($oDB->tableExists($sPoiTable)) {
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$sSQL = 'SELECT place_id FROM '.$sPoiTable.' ct';
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if ($this->oContext->sqlCountryList) {
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$sSQL .= ' JOIN placex USING (place_id)';
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}
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if ($this->oContext->hasNearPoint()) {
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$sSQL .= ' WHERE '.$this->oContext->withinSQL('ct.centroid');
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} elseif ($this->oContext->bViewboxBounded) {
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$sSQL .= ' WHERE ST_Contains('.$this->oContext->sqlViewboxSmall.', ct.centroid)';
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}
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if ($this->oContext->sqlCountryList) {
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$sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
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}
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$sSQL .= $this->oContext->excludeSQL(' AND place_id');
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if ($this->oContext->sqlViewboxCentre) {
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$sSQL .= ' ORDER BY ST_Distance(';
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$sSQL .= $this->oContext->sqlViewboxCentre.', ct.centroid) ASC';
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} elseif ($this->oContext->hasNearPoint()) {
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$sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('ct.centroid').' ASC';
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}
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$sSQL .= " LIMIT $iLimit";
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Debug::printSQL($sSQL);
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$aDBResults = $oDB->getCol($sSQL);
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}
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if ($this->oContext->hasNearPoint()) {
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$sSQL = 'SELECT place_id FROM placex WHERE ';
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$sSQL .= 'class = :class and type = :type';
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$sSQL .= ' AND '.$this->oContext->withinSQL('geometry');
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$sSQL .= ' AND linked_place_id is null';
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if ($this->oContext->sqlCountryList) {
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$sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
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}
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$sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('centroid').' ASC';
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$sSQL .= " LIMIT $iLimit";
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Debug::printSQL($sSQL);
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$aDBResults = $oDB->getCol(
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$sSQL,
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array(':class' => $this->sClass, ':type' => $this->sType)
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);
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}
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$aResults = array();
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foreach ($aDBResults as $iPlaceId) {
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$aResults[$iPlaceId] = new Result($iPlaceId);
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}
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return $aResults;
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}
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private function queryPostcode(&$oDB, $iLimit)
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{
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$sSQL = 'SELECT p.place_id FROM location_postcode p ';
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if (!empty($this->aAddress)) {
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$sSQL .= ', search_name s ';
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$sSQL .= 'WHERE s.place_id = p.parent_place_id ';
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$sSQL .= 'AND array_cat(s.nameaddress_vector, s.name_vector)';
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$sSQL .= ' @> '.$oDB->getArraySQL($this->aAddress).' AND ';
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} else {
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$sSQL .= 'WHERE ';
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}
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$sSQL .= "p.postcode = '".reset($this->aName)."'";
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$sSQL .= $this->countryCodeSQL(' AND p.country_code');
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if ($this->oContext->bViewboxBounded) {
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$sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
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}
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$sSQL .= $this->oContext->excludeSQL(' AND p.place_id');
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$sSQL .= " LIMIT $iLimit";
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Debug::printSQL($sSQL);
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$aResults = array();
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foreach ($oDB->getCol($sSQL) as $iPlaceId) {
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$aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_POSTCODE);
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}
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return $aResults;
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}
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private function queryNamedPlace(&$oDB, $iMinAddressRank, $iMaxAddressRank, $iLimit)
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{
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$aTerms = array();
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$aOrder = array();
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// Sort by existence of the requested house number but only if not
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// too many results are expected for the street, i.e. if the result
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// will be narrowed down by an address. Remeber that with ordering
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// every single result has to be checked.
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if ($this->sHouseNumber && ($this->bRareName || !empty($this->aAddress) || $this->sPostcode)) {
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$sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
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$aOrder[] = ' (';
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$aOrder[0] .= 'EXISTS(';
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$aOrder[0] .= ' SELECT place_id';
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$aOrder[0] .= ' FROM placex';
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$aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
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$aOrder[0] .= " AND housenumber ~* E'".$sHouseNumberRegex."'";
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$aOrder[0] .= ' LIMIT 1';
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$aOrder[0] .= ') ';
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// also housenumbers from interpolation lines table are needed
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if (preg_match('/[0-9]+/', $this->sHouseNumber)) {
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$iHouseNumber = intval($this->sHouseNumber);
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$aOrder[0] .= 'OR EXISTS(';
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$aOrder[0] .= ' SELECT place_id ';
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$aOrder[0] .= ' FROM location_property_osmline ';
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$aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
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$aOrder[0] .= ' AND startnumber is not NULL';
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$aOrder[0] .= ' AND '.$iHouseNumber.'>=startnumber ';
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$aOrder[0] .= ' AND '.$iHouseNumber.'<=endnumber ';
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$aOrder[0] .= ' LIMIT 1';
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$aOrder[0] .= ')';
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}
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$aOrder[0] .= ') DESC';
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}
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if (!empty($this->aName)) {
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$aTerms[] = 'name_vector @> '.$oDB->getArraySQL($this->aName);
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}
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if (!empty($this->aAddress)) {
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// For infrequent name terms disable index usage for address
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if ($this->bRareName) {
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$aTerms[] = 'array_cat(nameaddress_vector,ARRAY[]::integer[]) @> '.$oDB->getArraySQL($this->aAddress);
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} else {
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$aTerms[] = 'nameaddress_vector @> '.$oDB->getArraySQL($this->aAddress);
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}
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}
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$sCountryTerm = $this->countryCodeSQL('country_code');
|
|
if ($sCountryTerm) {
|
|
$aTerms[] = $sCountryTerm;
|
|
}
|
|
|
|
if ($this->sHouseNumber) {
|
|
$aTerms[] = 'address_rank between 16 and 30';
|
|
} elseif (!$this->sClass || $this->iOperator == Operator::NAME) {
|
|
if ($iMinAddressRank > 0) {
|
|
$aTerms[] = "((address_rank between $iMinAddressRank and $iMaxAddressRank) or (search_rank between $iMinAddressRank and $iMaxAddressRank))";
|
|
}
|
|
}
|
|
|
|
if ($this->oContext->hasNearPoint()) {
|
|
$aTerms[] = $this->oContext->withinSQL('centroid');
|
|
$aOrder[] = $this->oContext->distanceSQL('centroid');
|
|
} elseif ($this->sPostcode) {
|
|
if (empty($this->aAddress)) {
|
|
$aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.1))";
|
|
} else {
|
|
$aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."')";
|
|
}
|
|
}
|
|
|
|
$sExcludeSQL = $this->oContext->excludeSQL('place_id');
|
|
if ($sExcludeSQL) {
|
|
$aTerms[] = $sExcludeSQL;
|
|
}
|
|
|
|
if ($this->oContext->bViewboxBounded) {
|
|
$aTerms[] = 'centroid && '.$this->oContext->sqlViewboxSmall;
|
|
}
|
|
|
|
if ($this->oContext->hasNearPoint()) {
|
|
$aOrder[] = $this->oContext->distanceSQL('centroid');
|
|
}
|
|
|
|
if ($this->sHouseNumber) {
|
|
$sImportanceSQL = '- abs(26 - address_rank) + 3';
|
|
} else {
|
|
$sImportanceSQL = '(CASE WHEN importance = 0 OR importance IS NULL THEN 0.75001-(search_rank::float/40) ELSE importance END)';
|
|
}
|
|
$sImportanceSQL .= $this->oContext->viewboxImportanceSQL('centroid');
|
|
$aOrder[] = "$sImportanceSQL DESC";
|
|
|
|
$aFullNameAddress = $this->oContext->getFullNameTerms();
|
|
if (!empty($aFullNameAddress)) {
|
|
$sExactMatchSQL = ' ( ';
|
|
$sExactMatchSQL .= ' SELECT count(*) FROM ( ';
|
|
$sExactMatchSQL .= ' SELECT unnest('.$oDB->getArraySQL($aFullNameAddress).')';
|
|
$sExactMatchSQL .= ' INTERSECT ';
|
|
$sExactMatchSQL .= ' SELECT unnest(nameaddress_vector)';
|
|
$sExactMatchSQL .= ' ) s';
|
|
$sExactMatchSQL .= ') as exactmatch';
|
|
$aOrder[] = 'exactmatch DESC';
|
|
} else {
|
|
$sExactMatchSQL = '0::int as exactmatch';
|
|
}
|
|
|
|
if ($this->sHouseNumber || $this->sClass) {
|
|
$iLimit = 40;
|
|
}
|
|
|
|
$aResults = array();
|
|
|
|
if (!empty($aTerms)) {
|
|
$sSQL = 'SELECT place_id, address_rank,'.$sExactMatchSQL;
|
|
$sSQL .= ' FROM search_name';
|
|
$sSQL .= ' WHERE '.join(' and ', $aTerms);
|
|
$sSQL .= ' ORDER BY '.join(', ', $aOrder);
|
|
$sSQL .= ' LIMIT '.$iLimit;
|
|
|
|
Debug::printSQL($sSQL);
|
|
|
|
$aDBResults = $oDB->getAll($sSQL, null, 'Could not get places for search terms.');
|
|
|
|
foreach ($aDBResults as $aResult) {
|
|
$oResult = new Result($aResult['place_id']);
|
|
$oResult->iExactMatches = $aResult['exactmatch'];
|
|
$oResult->iAddressRank = $aResult['address_rank'];
|
|
$aResults[$aResult['place_id']] = $oResult;
|
|
}
|
|
}
|
|
|
|
return $aResults;
|
|
}
|
|
|
|
private function queryHouseNumber(&$oDB, $aRoadPlaceIDs)
|
|
{
|
|
$aResults = array();
|
|
$sRoadPlaceIDs = Result::joinIdsByTableMaxRank(
|
|
$aRoadPlaceIDs,
|
|
Result::TABLE_PLACEX,
|
|
27
|
|
);
|
|
$sPOIPlaceIDs = Result::joinIdsByTableMinRank(
|
|
$aRoadPlaceIDs,
|
|
Result::TABLE_PLACEX,
|
|
30
|
|
);
|
|
|
|
$aIDCondition = array();
|
|
if ($sRoadPlaceIDs) {
|
|
$aIDCondition[] = 'parent_place_id in ('.$sRoadPlaceIDs.')';
|
|
}
|
|
if ($sPOIPlaceIDs) {
|
|
$aIDCondition[] = 'place_id in ('.$sPOIPlaceIDs.')';
|
|
}
|
|
|
|
if (empty($aIDCondition)) {
|
|
return $aResults;
|
|
}
|
|
|
|
$sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
|
|
$sSQL = 'SELECT place_id FROM placex WHERE';
|
|
$sSQL .= " housenumber ~* E'".$sHouseNumberRegex."'";
|
|
$sSQL .= ' AND ('.join(' OR ', $aIDCondition).')';
|
|
$sSQL .= $this->oContext->excludeSQL(' AND place_id');
|
|
|
|
Debug::printSQL($sSQL);
|
|
|
|
// XXX should inherit the exactMatches from its parent
|
|
foreach ($oDB->getCol($sSQL) as $iPlaceId) {
|
|
$aResults[$iPlaceId] = new Result($iPlaceId);
|
|
}
|
|
|
|
$bIsIntHouseNumber= (bool) preg_match('/[0-9]+/', $this->sHouseNumber);
|
|
$iHousenumber = intval($this->sHouseNumber);
|
|
if ($bIsIntHouseNumber && $sRoadPlaceIDs && empty($aResults)) {
|
|
// if nothing found, search in the interpolation line table
|
|
$sSQL = 'SELECT distinct place_id FROM location_property_osmline';
|
|
$sSQL .= ' WHERE startnumber is not NULL';
|
|
$sSQL .= ' AND parent_place_id in ('.$sRoadPlaceIDs.') AND (';
|
|
if ($iHousenumber % 2 == 0) {
|
|
// If housenumber is even, look for housenumber in streets
|
|
// with interpolationtype even or all.
|
|
$sSQL .= "interpolationtype='even'";
|
|
} else {
|
|
// Else look for housenumber with interpolationtype odd or all.
|
|
$sSQL .= "interpolationtype='odd'";
|
|
}
|
|
$sSQL .= " or interpolationtype='all') and ";
|
|
$sSQL .= $iHousenumber.'>=startnumber and ';
|
|
$sSQL .= $iHousenumber.'<=endnumber';
|
|
$sSQL .= $this->oContext->excludeSQL(' AND place_id');
|
|
|
|
Debug::printSQL($sSQL);
|
|
|
|
foreach ($oDB->getCol($sSQL) as $iPlaceId) {
|
|
$oResult = new Result($iPlaceId, Result::TABLE_OSMLINE);
|
|
$oResult->iHouseNumber = $iHousenumber;
|
|
$aResults[$iPlaceId] = $oResult;
|
|
}
|
|
}
|
|
|
|
// If nothing found then search in Tiger data (location_property_tiger)
|
|
if (CONST_Use_US_Tiger_Data && $sRoadPlaceIDs && $bIsIntHouseNumber && empty($aResults)) {
|
|
$sSQL = 'SELECT place_id FROM location_property_tiger';
|
|
$sSQL .= ' WHERE parent_place_id in ('.$sRoadPlaceIDs.') and (';
|
|
if ($iHousenumber % 2 == 0) {
|
|
$sSQL .= "interpolationtype='even'";
|
|
} else {
|
|
$sSQL .= "interpolationtype='odd'";
|
|
}
|
|
$sSQL .= " or interpolationtype='all') and ";
|
|
$sSQL .= $iHousenumber.'>=startnumber and ';
|
|
$sSQL .= $iHousenumber.'<=endnumber';
|
|
$sSQL .= $this->oContext->excludeSQL(' AND place_id');
|
|
|
|
Debug::printSQL($sSQL);
|
|
|
|
foreach ($oDB->getCol($sSQL) as $iPlaceId) {
|
|
$oResult = new Result($iPlaceId, Result::TABLE_TIGER);
|
|
$oResult->iHouseNumber = $iHousenumber;
|
|
$aResults[$iPlaceId] = $oResult;
|
|
}
|
|
}
|
|
|
|
return $aResults;
|
|
}
|
|
|
|
|
|
private function queryPoiByOperator(&$oDB, $aParentIDs, $iLimit)
|
|
{
|
|
$aResults = array();
|
|
$sPlaceIDs = Result::joinIdsByTable($aParentIDs, Result::TABLE_PLACEX);
|
|
|
|
if (!$sPlaceIDs) {
|
|
return $aResults;
|
|
}
|
|
|
|
if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NAME) {
|
|
// 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 ';
|
|
$sSQL .= " WHERE place_id in ($sPlaceIDs)";
|
|
$sSQL .= " AND class='".$this->sClass."' ";
|
|
$sSQL .= " AND type='".$this->sType."'";
|
|
$sSQL .= ' AND linked_place_id is null';
|
|
$sSQL .= $this->oContext->excludeSQL(' AND place_id');
|
|
$sSQL .= ' ORDER BY rank_search ASC ';
|
|
$sSQL .= " LIMIT $iLimit";
|
|
|
|
Debug::printSQL($sSQL);
|
|
|
|
foreach ($oDB->getCol($sSQL) as $iPlaceId) {
|
|
$aResults[$iPlaceId] = new Result($iPlaceId);
|
|
}
|
|
}
|
|
|
|
// NEAR and IN are handled the same
|
|
if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NEAR) {
|
|
$sClassTable = $this->poiTable();
|
|
$bCacheTable = $oDB->tableExists($sClassTable);
|
|
|
|
$sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)";
|
|
Debug::printSQL($sSQL);
|
|
$iMaxRank = (int) $oDB->getOne($sSQL);
|
|
|
|
// For state / country level searches the normal radius search doesn't work very well
|
|
$sPlaceGeom = false;
|
|
if ($iMaxRank < 9 && $bCacheTable) {
|
|
// Try and get a polygon to search in instead
|
|
$sSQL = 'SELECT geometry FROM placex';
|
|
$sSQL .= " WHERE place_id in ($sPlaceIDs)";
|
|
$sSQL .= " AND rank_search < $iMaxRank + 5";
|
|
$sSQL .= " AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')";
|
|
$sSQL .= ' ORDER BY rank_search ASC ';
|
|
$sSQL .= ' LIMIT 1';
|
|
Debug::printSQL($sSQL);
|
|
$sPlaceGeom = $oDB->getOne($sSQL);
|
|
}
|
|
|
|
if ($sPlaceGeom) {
|
|
$sPlaceIDs = false;
|
|
} else {
|
|
$iMaxRank += 5;
|
|
$sSQL = 'SELECT place_id FROM placex';
|
|
$sSQL .= " WHERE place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
|
|
Debug::printSQL($sSQL);
|
|
$aPlaceIDs = $oDB->getCol($sSQL);
|
|
$sPlaceIDs = join(',', $aPlaceIDs);
|
|
}
|
|
|
|
if ($sPlaceIDs || $sPlaceGeom) {
|
|
$fRange = 0.01;
|
|
if ($bCacheTable) {
|
|
// More efficient - can make the range bigger
|
|
$fRange = 0.05;
|
|
|
|
$sOrderBySQL = '';
|
|
if ($this->oContext->hasNearPoint()) {
|
|
$sOrderBySQL = $this->oContext->distanceSQL('l.centroid');
|
|
} elseif ($sPlaceIDs) {
|
|
$sOrderBySQL = 'ST_Distance(l.centroid, f.geometry)';
|
|
} elseif ($sPlaceGeom) {
|
|
$sOrderBySQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
|
|
}
|
|
|
|
$sSQL = 'SELECT distinct i.place_id';
|
|
if ($sOrderBySQL) {
|
|
$sSQL .= ', i.order_term';
|
|
}
|
|
$sSQL .= ' from (SELECT l.place_id';
|
|
if ($sOrderBySQL) {
|
|
$sSQL .= ','.$sOrderBySQL.' as order_term';
|
|
}
|
|
$sSQL .= ' from '.$sClassTable.' as l';
|
|
|
|
if ($sPlaceIDs) {
|
|
$sSQL .= ',placex as f WHERE ';
|
|
$sSQL .= "f.place_id in ($sPlaceIDs) ";
|
|
$sSQL .= " AND ST_DWithin(l.centroid, f.centroid, $fRange)";
|
|
} elseif ($sPlaceGeom) {
|
|
$sSQL .= " WHERE ST_Contains('$sPlaceGeom', l.centroid)";
|
|
}
|
|
|
|
$sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
|
|
$sSQL .= 'limit 300) i ';
|
|
if ($sOrderBySQL) {
|
|
$sSQL .= 'order by order_term asc';
|
|
}
|
|
$sSQL .= " limit $iLimit";
|
|
|
|
Debug::printSQL($sSQL);
|
|
|
|
foreach ($oDB->getCol($sSQL) as $iPlaceId) {
|
|
$aResults[$iPlaceId] = new Result($iPlaceId);
|
|
}
|
|
} else {
|
|
if ($this->oContext->hasNearPoint()) {
|
|
$fRange = $this->oContext->nearRadius();
|
|
}
|
|
|
|
$sOrderBySQL = '';
|
|
if ($this->oContext->hasNearPoint()) {
|
|
$sOrderBySQL = $this->oContext->distanceSQL('l.geometry');
|
|
} else {
|
|
$sOrderBySQL = 'ST_Distance(l.geometry, f.geometry)';
|
|
}
|
|
|
|
$sSQL = 'SELECT distinct l.place_id';
|
|
if ($sOrderBySQL) {
|
|
$sSQL .= ','.$sOrderBySQL.' as orderterm';
|
|
}
|
|
$sSQL .= ' FROM placex as l, placex as f';
|
|
$sSQL .= " WHERE f.place_id in ($sPlaceIDs)";
|
|
$sSQL .= " AND ST_DWithin(l.geometry, f.centroid, $fRange)";
|
|
$sSQL .= " AND l.class='".$this->sClass."'";
|
|
$sSQL .= " AND l.type='".$this->sType."'";
|
|
$sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
|
|
if ($sOrderBySQL) {
|
|
$sSQL .= 'ORDER BY orderterm ASC';
|
|
}
|
|
$sSQL .= " limit $iLimit";
|
|
|
|
Debug::printSQL($sSQL);
|
|
|
|
foreach ($oDB->getCol($sSQL) as $iPlaceId) {
|
|
$aResults[$iPlaceId] = new Result($iPlaceId);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $aResults;
|
|
}
|
|
|
|
private function poiTable()
|
|
{
|
|
return 'place_classtype_'.$this->sClass.'_'.$this->sType;
|
|
}
|
|
|
|
private function countryCodeSQL($sVar)
|
|
{
|
|
if ($this->sCountryCode) {
|
|
return $sVar.' = \''.$this->sCountryCode."'";
|
|
}
|
|
if ($this->oContext->sqlCountryList) {
|
|
return $sVar.' in '.$this->oContext->sqlCountryList;
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
/////////// Sort functions
|
|
|
|
|
|
public static function bySearchRank($a, $b)
|
|
{
|
|
if ($a->iSearchRank == $b->iSearchRank) {
|
|
return $a->iOperator + strlen($a->sHouseNumber)
|
|
- $b->iOperator - strlen($b->sHouseNumber);
|
|
}
|
|
|
|
return $a->iSearchRank < $b->iSearchRank ? -1 : 1;
|
|
}
|
|
|
|
//////////// Debugging functions
|
|
|
|
|
|
public function debugInfo()
|
|
{
|
|
return array(
|
|
'Search rank' => $this->iSearchRank,
|
|
'Country code' => $this->sCountryCode,
|
|
'Name terms' => $this->aName,
|
|
'Name terms (stop words)' => $this->aNameNonSearch,
|
|
'Address terms' => $this->aAddress,
|
|
'Address terms (stop words)' => $this->aAddressNonSearch,
|
|
'Address terms (full words)' => $this->aFullNameAddress ?? '',
|
|
'Special search' => $this->iOperator,
|
|
'Class' => $this->sClass,
|
|
'Type' => $this->sType,
|
|
'House number' => $this->sHouseNumber,
|
|
'Postcode' => $this->sPostcode
|
|
);
|
|
}
|
|
|
|
public function dumpAsHtmlTableRow(&$aWordIDs)
|
|
{
|
|
$kf = function ($k) use (&$aWordIDs) {
|
|
return $aWordIDs[$k] ?? '['.$k.']';
|
|
};
|
|
|
|
echo '<tr>';
|
|
echo "<td>$this->iSearchRank</td>";
|
|
echo '<td>'.join(', ', array_map($kf, $this->aName)).'</td>';
|
|
echo '<td>'.join(', ', array_map($kf, $this->aNameNonSearch)).'</td>';
|
|
echo '<td>'.join(', ', array_map($kf, $this->aAddress)).'</td>';
|
|
echo '<td>'.join(', ', array_map($kf, $this->aAddressNonSearch)).'</td>';
|
|
echo '<td>'.$this->sCountryCode.'</td>';
|
|
echo '<td>'.Operator::toString($this->iOperator).'</td>';
|
|
echo '<td>'.$this->sClass.'</td>';
|
|
echo '<td>'.$this->sType.'</td>';
|
|
echo '<td>'.$this->sPostcode.'</td>';
|
|
echo '<td>'.$this->sHouseNumber.'</td>';
|
|
|
|
echo '</tr>';
|
|
}
|
|
}
|