126 lines
4.0 KiB
PHP
126 lines
4.0 KiB
PHP
<?php
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/** -----------------------------------------------------
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* function getAdress($lat,$lng)
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* Reverse geocoding of address by using locationiq.com
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* Input: lat and lng of location
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* Returns: data-array
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* ----------------------------------------------------- */
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require("../config.db.php");
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function getAddress($lat,$lng) {
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global $location_key;
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$key = $location_key;
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$url = "https://us1.locationiq.com/v1/reverse.php?key=".$key."&lat=".$lat."&lon=".$lng."&format=json";
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$curl = curl_init($url);
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curl_setopt_array($curl, array(
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_FOLLOWLOCATION => true,
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CURLOPT_MAXREDIRS => 10,
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CURLOPT_TIMEOUT => 30,
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CURLOPT_CUSTOMREQUEST => 'GET',
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));
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$response = curl_exec($curl);
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$err = curl_error($curl);
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curl_close($curl);
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$arrData = array();
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if ($err) {
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return false; //"cURL Error #:" . $err;
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} else {
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$data = json_decode($response);
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foreach ($data as $key=>$value) {
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if ($key=="address") {
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foreach ($value as $k=>$v) {
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//echo $k." ".$v."<br>";
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$arrData[$k]=$v;
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}
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}
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};
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return $arrData;
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}
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}
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/** ----------------------------------------------
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* function writeAddress
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* Write data to database
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* $db - database handel
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* $id - id of location
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* $data - address data of location
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* location - address schould be an 1:1-relation
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* ----------------------------------------------- */
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function writeAddress($db,$id,$data) {
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$arrKeys = array ('parking','road','house_number','industrial','neighbourhood','hamlet','suburb','postcode','city','county','country');
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$strSQL="insert into address (loc_id,parking,road,house_number,industrial,";
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$strSQL.="neighbourhood,hamlet,suburb,postcode,city,county,country) values ($id";
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foreach ($arrKeys as $key) {
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$strSQL .= (isset($data[$key])) ? ",'".$data[$key]."'" : ",''";
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}
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$strSQL.=")";
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$db->exec($strSQL);
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}
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/**
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* function fillAddressTable($db,$limit)
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* $db - database handel
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* $limit - only look for these count of entries because of api restriction
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*/
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function fillAddressTable($db,$limit=20) {
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$arrIds = array();
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// Get all ids from address table and write to array
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$strSQL="select loc_id from address";
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$result=$db->query($strSQL);
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while ($row=$result->fetch(PDO::FETCH_ASSOC)) {
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$arrIds[]=$row['loc_id'];
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}
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$counter=0;
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$strSQL="SELECT id,lat,lng FROM location";
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$arrKeys = array ('parking','road','house_number','industrial','neighbourhood','hamlet','suburb','postcode','city','county','country');
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$result=$db->query($strSQL);
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$strTable = "<table class='table table-bordered table-striped'>";
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$strTable .= "<tr><th>id</th><th>lat</th><th>lng</th>";
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foreach ($arrKeys as $key) {
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$strTable .= "<th>".$key."</th>";
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}
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$strTable .= "</tr>";
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while ($row=$result->fetch(PDO::FETCH_ASSOC)) {
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$id=$row['id'];
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if (!in_array($id,$arrIds) && $counter<$limit) {
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$counter++;
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$lat=$row['lat'];
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$lng=$row['lng'];
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$data=getAddress($lat,$lng);
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$strTable .= "<tr><td>$id</td><td>$lat</td><td>$lng</td>";
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foreach ($arrKeys as $key) {
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$strTable .= (isset($data[$key])) ? "<td>".$data[$key]."</td>" : "<td></td>";
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}
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$strTable .= "</tr>";
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sleep(1); //api restriction
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writeAddress($db,$id,$data);
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}
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}
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$strTable .= "<table>";
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return ($counter>0) ? $strTable : "Keine neuen Adressdaten.";
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}
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function cleanAddresses($db){
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$strSQL="DELETE FROM address WHERE parking='' and road='' and house_number=''
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and industrial='' and neighbourhood='' and hamlet=''
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and suburb='' and postcode='' and city='' and county=''";
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$db->query($strSQL);
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}
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// echo fillAddressTable($db,10);
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