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<?php
/**
* @package DJ-Classifieds
* @copyright Copyright (C) DJ-Extensions.com, All rights reserved.
* @license http://www.gnu.org/licenses GNU/GPL
* @author url: http://dj-extensions.com
* @author email contact@dj-extensions.com
*
*/
defined ( '_JEXEC' ) or die ( 'Restricted access' );
class plgDJClassifiedsLeaflet extends JPlugin
{
static private $_enabled = false;
public function __construct(&$subject, $config)
{
$par = JComponentHelper::getParams('com_djclassifieds');
if($par->get('map_provider') == 'leaflet'){
self::$_enabled = true;
}
parent::__construct ( $subject, $config );
$this->loadLanguage ();
}
public function onIncludeMapsScripts(&$load_gm_script)
{
if(!self::$_enabled){
return;
}
$document = JFactory::getDocument();
$ver = $this->params->get('ver','1.3.4');
$document->addStyleSheet('https://unpkg.com/leaflet@'.$ver.'/dist/leaflet.css');
$document->addScript('https://unpkg.com/leaflet@'.$ver.'/dist/leaflet.js');
$load_gm_script = 0;
return true;
}
function onGeocoderGetLocation(&$use_gm, $address)
{
if(!self::$_enabled){
return;
}
$use_gm = 0;
return $this->onLeafletGetLocation($address);
}
function onGeocoderGetLocationPostCode(&$use_gm, $post_code, $address)
{
if(!self::$_enabled){
return;
}
$use_gm = 0;
return $this->onLeafletGetLocation($address, $post_code);
}
function onGeocoderGetAddressLatLon(&$use_gm, $latlng)
{
if(!self::$_enabled){
return;
}
$use_gm = 0;
$latlng_arr = explode(',', $latlng);
$resp = $this->leafletGetLocationReverse($latlng_arr[0], $latlng_arr[1]);
if(isset($resp['display_name'])){
return $resp['display_name'];
}elseif(isset($resp['error'])){
return $resp['error'];
}else{
return null;
}
}
public function onItemEditFormSections($item, $par, $subscr_id)
{
if(!self::$_enabled){
return;
}
if($par->get('allow_user_lat_lng','0') == '0'){
return null;
}
$isnew = !$item->id ? true : false;
return $this->scriptMap($item, $par, $isnew);
}
public function onProfileEditFormSections($profile, $custom_fields, $custom_values_c, $profile_image, &$par)
{
if(!self::$_enabled){
return;
}
if($par->get('allow_user_lat_lng','0') == '0'){
return null;
}
$isnew = false;
return $this->scriptMap($profile, $par, $isnew);
}
public function onUserRegistrationForm(&$par)
{
if(!self::$_enabled){
return;
}
if($par->get('allow_user_lat_lng','0') == '0'){
return null;
}
$isnew = true;
return $this->scriptMap(null, $par, $isnew);
}
function scriptMap($item, $par, $isnew)
{
$document = JFactory::getDocument();
if($par->get('places_in_address','0')){
$document->addScript(JURI::base(true).'/plugins/djclassifieds/leaflet/assets/js/poi.jquery.js');
$document->addStyleSheet(JURI::base(true).'/plugins/djclassifieds/leaflet/assets/css/poi.css');
}
$tile_data = $this->onGetLeafletTileProvider();
$tile_data = isset($tile_data[0]) && is_array($tile_data[0]) ? $tile_data[0] : $tile_data;
$lat = '';
$lng = '';
if($item && floatval($item->latitude) && floatval($item->longitude)){
$lat = $item->latitude;
$lng = $item->longitude;
}else if(isset($_COOKIE["djcf_latlon"])) {
$lat_lon = explode('_', $_COOKIE["djcf_latlon"]);
$lat = $lat_lon[0];
$lng = $lat_lon[1];
}else{
$loc_coord = $this->onLeafletGetLocation($par->get('map_lat_lng_address','England, London'));
if($loc_coord){
$lat = $loc_coord['lat'];
$lng = $loc_coord['lng'];
}
}
$content = DJClassifiedsTheme::renderLayout('form', array(
'lat' => $lat,
'lng' => $lng,
'isnew' => $isnew,
'tile_data' => $tile_data,
'par' => $par,
'params' => $this->params
), 'plugin', $this->_name);
return $content;
}
public function onPrepareDJClassifiedsSearchModule($params, $mod)
{
if(!self::$_enabled){
return;
}
$document = JFactory::getDocument();
if($params->get('show_address','0')){
$document->addScript(JURI::base(true).'/plugins/djclassifieds/leaflet/assets/js/poi.jquery.js');
$document->addStyleSheet(JURI::base(true).'/plugins/djclassifieds/leaflet/assets/css/poi.css');
}
}
public function onBeforeDJClassifiedsDisplayAdvertMap($item, $par, $view_type)
{
if(!self::$_enabled){
return;
}
$app = JFactory::getApplication();
if(($par->get('show_googlemap','0')=='0' || $par->get('show_googlemap','0')=='3') && !$app->isClient('administrator')){
return;
}
return $this->displayMap($item, $par, $view_type);
}
public function onBeforeDJClassifiedsDisplayProfileMap($profile, $par, $view_type)
{
if(!self::$_enabled){
return;
}
if(($par->get('show_googlemap','0')=='0' || $par->get('show_googlemap','0')=='2') && !JFactory::getApplication()->isClient('administrator')){
return;
}
$item = new stdClass();
$item->latitude = '';
$item->longitude = '';
$item->name = '';
$item->intro_desc = '';
if(is_array($profile)){ // front
if(!empty($profile['details']->latitude) && !empty($profile['details']->longitude)){
$item->latitude = $profile['details']->latitude;
$item->longitude = $profile['details']->longitude;
$item->name = $profile['name'];
$item->intro_desc = !empty($profile['details']->address) ? $profile['details']->address : '';
}
}else{ // back-end
$item->latitude = $profile->latitude;
$item->longitude = $profile->longitude;
$item->name = $profile->user_id;
$item->intro_desc = $profile->address;
}
return $this->displayMap($item, $par, $view_type);
}
function displayMap($item, $par, $view_type)
{
$app = JFactory::getApplication();
$par->set('show_googlemap',0);
if(($item->latitude=='0.000000000000000' && $item->longitude=='0.000000000000000') || (!$item->latitude && !$item->longitude)){
if($app->isClient('administrator')){ // geocode only on front
return;
}
if($address = $this->getFullAddress($item)){
$lat_lng = $this->onLeafletGetLocation($address);
if($lat_lng){
$item->latitude = $lat_lng['lat'];
$item->longitude = $lat_lng['lng'];
}else{
return false;
}
}else{
return false;
}
}
$tile_data = $this->onGetLeafletTileProvider();
$tile_data = isset($tile_data[0]) && is_array($tile_data[0]) ? $tile_data[0] : $tile_data;
if(empty($tile_data)){
die('no Leaflet tile data found');
}
$use_gm = 0;
$this->onIncludeMapsScripts($use_gm);
$marker_img = DJClassifiedsGeocode::getMarkerIconImg($par, !empty($item->cat_id) ? $item->cat_id : null);
$icon_size = !empty($marker_img) ? getimagesize(JPATH_ROOT.'/'.$marker_img) : array('','');
$icon_img = !empty($marker_img) ? JUri::root().$marker_img : '';
$content = DJClassifiedsTheme::renderLayout('item', array(
'view_type' => $view_type,
'item' => $item,
'icon_img' => $icon_img,
'icon_size' => $icon_size,
'tile_data' => $tile_data,
'par' => $par,
'params' => $this->params
), 'plugin', $this->_name);
return $content;
}
public function onGetLeafletTileProvider()
{
if(!self::$_enabled){
return;
}
$tile_provider = $this->params->get('tile_provider', 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png');
$tile_options = $this->params->get('tile_options', '{"attribution": "© <a target='_blank' rel='noopener noreferrer' href='https://www.openstreetmap.org/copyright'>OpenStreetMap</a>"}');
$tile_options = json_decode($tile_options);
$attribution_prefix = $this->params->get('attribution_prefix', '<a href="https://leafletjs.com" rel="noopener noreferrer" title="A JS library for interactive maps">Leaflet</a>');
return [$tile_provider, $tile_options, $attribution_prefix];
}
function onLeafletGetLocation($address, $post_code = '')
{
if(!self::$_enabled){
return;
}
require_once(JPATH_ROOT.'/administrator/components/com_djclassifieds/lib/djgeocoder.php');
DJClassifiedsGeocode::serverFnCheck();
$address_query = str_replace('ul. ', '', $address); // this street prefix is causing a problem in nominatim
if($post_code){
$address_query .= ', '.$post_code;
}
$url = "https://nominatim.openstreetmap.org/search?format=json&q=".urlencode($address_query);
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_URL, $url);
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($c, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($c, CURLOPT_REFERER, JURI::root()); // nominatim requires providing HTTP REFERER
$resp_json = curl_exec($c);
curl_close($c);
$resp = json_decode($resp_json, true);
if(isset($resp[0])){
return array('lat' => $resp[0]['lat'], 'lng' => $resp[0]['lon']);
}elseif($post_code){ // if no results - try again without a postcode
return $this->onLeafletGetLocation($address);
}else{
return null;
}
}
function leafletGetLocationReverse($lat, $lng)
{
if(!self::$_enabled){
return;
}
$url = "https://nominatim.openstreetmap.org/reverse.php?format=json&lat=".$lat."&lon=".$lng;
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_URL, $url);
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($c, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($c, CURLOPT_REFERER, JURI::root()); // nominatim requires providing HTTP REFERER
$resp_json = curl_exec($c);
curl_close($c);
$resp = json_decode($resp_json, true);
return $resp;
}
private function getFullAddress($item)
{
$db = JFactory::getDBO();
$address = '';
if(!empty($item->region_id)){
$select = "SELECT CONCAT_WS(', '";
$from = "FROM #__djcf_regions r1 ";
for($i=1; $i<5; $i++){
$j=$i+1;
$select .= ", r".$i.".name";
$from .= "LEFT JOIN #__djcf_regions r".$j." ON r".$i.".parent_id=r".$j.".id AND (r".$j.".city=1 OR r".$j.".country=1) ";
}
$select .= ") ";
$where = "WHERE r1.id=".$item->region_id." AND (r1.city=1 OR r1.country=1)";
$query = $select.$from.$where;
$db->setQuery($query);
$location = $db->loadResult();
$address .= $location ? $location : '';
}
if(!empty($item->address)){
$address .= $address ? ', '.$item->address : $item->address;
}
return $address;
}
function onAjaxLeafletGetLocation()
{
if(!self::$_enabled){
return;
}
$app = JFactory::getApplication();
$address = $app->input->getVar('address', '');
$postcode = $app->input->getVar('postcode', '');
$lat_lng = $this->onLeafletGetLocation($address, $postcode);
echo json_encode($lat_lng);
$app->close();
}
function onAjaxLeafletGetLocationReverse()
{
if(!self::$_enabled){
return;
}
$app = JFactory::getApplication();
$lat = $app->input->getVar('lat', '');
$lng = $app->input->getVar('lng', '');
$res = $this->leafletGetLocationReverse($lat, $lng);
echo json_encode($res);
$app->close();
}
function onAjaxLeafletDriveDirections()
{
if(!self::$_enabled){
return;
}
$app = JFactory::getApplication();
$lat = $app->input->getVar('lat', '');
$lng = $app->input->getVar('lng', '');
$s_addr = $app->input->getVar('saddr', '');
if($s_addr){
$s_loc_coord = $this->onLeafletGetLocation($s_addr);
}
if(!empty($s_loc_coord) && $lat && $lng){
$app->redirect('https://www.openstreetmap.org/directions?route='.$s_loc_coord['lat'].','.$s_loc_coord['lng'].';'.$lat.','.$lng);
}elseif($lat && $lng){
$app->redirect('https://www.openstreetmap.org/directions?route=0.000,0.000;'.$lat.','.$lng);
}else{
$app->redirect('https://www.openstreetmap.org/directions');
}
}
function onAjaxLeafletGetPoi()
{
if(!self::$_enabled){
return;
}
$app = JFactory::getApplication();
$val = $app->input->getVar('val', '');
$url = "https://photon.komoot.io/api/?q=".urlencode($val)."&limit=5";
if(isset($_COOKIE["djcf_latlon"])){
$lat_lon = explode('_', $_COOKIE["djcf_latlon"]);
if($lat_lon){
$url .= "&lat=".$lat_lon[0]."&lon=".$lat_lon[1];
}
}
$lang = JFactory::getLanguage();
$tag_arr = explode('-',$lang->getTag());
$supported_lang = array('de','en','it','fr');
if(!empty($tag_arr[0]) && in_array($tag_arr[0], $supported_lang)){
$url .= "&lang=".$tag_arr[0];
}
$c = curl_init();
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_URL, $url);
curl_setopt($c, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($c, CURLOPT_SSL_VERIFYHOST, false);
$resp_json = curl_exec($c);
curl_close($c);
if($app->input->getVar('dev', '')){
echo '<pre>';print_r(json_decode($resp_json));die();
}
echo $resp_json;
$app->close();
}
}