Nominatim/website/reverse.php

<?php
	@define('CONST_ConnectionBucket_PageType', 'Reverse');

	require_once(dirname(dirname(__FILE__)).'/settings/settings.php');
	require_once(CONST_BasePath.'/lib/init-website.php');
	require_once(CONST_BasePath.'/lib/log.php');
	require_once(CONST_BasePath.'/lib/PlaceLookup.php');
	require_once(CONST_BasePath.'/lib/ReverseGeocode.php');
	require_once(CONST_BasePath.'/lib/output.php');

	if (strpos(CONST_BulkUserIPs, ','.$_SERVER["REMOTE_ADDR"].',') !== false)
	{
		$fLoadAvg = getLoadAverage();
		if ($fLoadAvg > 2) sleep(60);
		if ($fLoadAvg > 4) sleep(120);
		if ($fLoadAvg > 6)
		{
			echo "Bulk User: Temporary block due to high server load\n";
			exit;
		}
	}


	$bAsGeoJSON = getParamBool('polygon_geojson');
	$bAsKML = getParamBool('polygon_kml');
	$bAsSVG = getParamBool('polygon_svg');
	$bAsText = getParamBool('polygon_text');
	if ((($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;
	}


	// Polygon simplification threshold (optional)
	$fThreshold = getParamFloat('polygon_threshold', 0.0);


	$oDB =& getDB();
	ini_set('memory_limit', '200M');

	// Format for output
	$sOutputFormat = getParamSet('format', array('html', 'xml', 'json', 'jsonv2'), 'xml');

	// Preferred language
	$aLangPrefOrder = getPreferredLanguages();

	$hLog = logStart($oDB, 'reverse', $_SERVER['QUERY_STRING'], $aLangPrefOrder);


	$sOsmType = getParamSet('osmtype', array('N', 'W', 'R'));
	$iOsmId = getParamInt('osmid', -1);
	$fLat = getParamFloat('lat');
	$fLon = getParamFloat('lon');
	if ($sOsmType && $iOsmId > 0)
	{
		$aLookup = array('osm_type' => $sOsmType, 'osm_id' => $iOsmId);
	}
	else if ($fLat !== false && $fLon !==false)
	{
		$oReverseGeocode = new ReverseGeocode($oDB);
		$oReverseGeocode->setLanguagePreference($aLangPrefOrder);

		$oReverseGeocode->setLatLon($fLat, $fLon);
		$oReverseGeocode->setZoom(getParamInt('zoom', 18));

		$aLookup = $oReverseGeocode->lookup();
		if (CONST_Debug) var_dump($aLookup);
	}
	else if ($sOutputFormat != 'html')
	{
		userError("Need coordinates or OSM object to lookup.");
	}

	if ($aLookup)
	{
		$oPlaceLookup = new PlaceLookup($oDB);
		$oPlaceLookup->setLanguagePreference($aLangPrefOrder);
		$oPlaceLookup->setIncludeAddressDetails(getParamBool('addressdetails', true));
		$oPlaceLookup->setIncludeExtraTags(getParamBool('extratags', false));
		$oPlaceLookup->setIncludeNameDetails(getParamBool('namedetails', false));

		$aPlace = $oPlaceLookup->lookupPlace($aLookup);

		$oPlaceLookup->setIncludePolygonAsPoints(false);
		$oPlaceLookup->setIncludePolygonAsText($bAsText);
		$oPlaceLookup->setIncludePolygonAsGeoJSON($bAsGeoJSON);
		$oPlaceLookup->setIncludePolygonAsKML($bAsKML);
		$oPlaceLookup->setIncludePolygonAsSVG($bAsSVG);
		$oPlaceLookup->setPolygonSimplificationThreshold($fThreshold);

		$fRadius = $fDiameter = getResultDiameter($aPlace);
		$aOutlineResult = $oPlaceLookup->getOutlines($aPlace['place_id'], $aPlace['lon'], $aPlace['lat'], $fRadius);

		if ($aOutlineResult)
		{
			$aPlace = array_merge($aPlace, $aOutlineResult);
		}
	}
	else
	{
		$aPlace = null;
	}


	if (CONST_Debug)
	{
		var_dump($aPlace);
		exit;
	}

	if ($sOutputFormat=='html')
	{
		$sDataDate = chksql($oDB->getOne("select TO_CHAR(lastimportdate - '2 minutes'::interval,'YYYY/MM/DD HH24:MI')||' GMT' from import_status limit 1"));
		$sTileURL = CONST_Map_Tile_URL;
		$sTileAttribution = CONST_Map_Tile_Attribution;
	}
	include(CONST_BasePath.'/lib/template/address-'.$sOutputFormat.'.php');