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realtime api fetching and storing curl.php

master
user 4 years ago
parent
b90ccb2fd2
commit
8b0613c235
2 changed files with 96 additions and 20 deletions
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  1. 115
      website/curl.php
  2. 1
      website/latestData.json

115
website/curl.php
View File

@ -3,6 +3,15 @@
// The api key from Scooty's app/account: iPtAHWdOVLEtgkaymXoMHVVg
// Below is the static html to generate the map, it can also be done more dynamically using https://github.com/LuminFire/leaflet-php but that might be overkill
//debugging, enable all error reporting
// ini_set('display_errors', 1);
// ini_set('display_startup_errors', 1);
// error_reporting(E_ALL);
//measure script execution time
$start_time = microtime(true);
$a=1;
// array of scooters, artist, title, description
global $scooters;
@ -21,26 +30,79 @@ $scooters = array(
// for each scooter in array get the json (TODO, for each, safe to file/database?) $scooters is a multidimensional array: $scooter[0][0] = the first data (api url) of the first scooter, $scooter[1][0] = the first data (api url) of the second scooter, $scooter[0][1] = the artist name of the first scooter etcetc.
$id = 0; //get the first scooter for now
//$id = 0; //get the first scooter for now
function saveLatestJSON(){
global $scooters; //"import" the global variable into the function's scope
//TODO if latestData.json = older than ..2 minutes...call the API again
$id = 0; //start id
foreach($scooters as $item) {
$getJSON = callAPI($scooters[$id][0]); //abstract callAPI for neater reuse
// GET RID OF JSON DECODE!
$arr = json_decode($getJSON, true); // decode JSON data to PHP associative array
// access values from the associative array
$lat = $arr["data"]["attributes"]["lat"]; // get lattitude
$lng = $arr["data"]["attributes"]["lng"]; // get longitude
$pos = $lat.', '.$lng; // construct lat/lon for use in leafet
$lst = $arr["data"]["attributes"]["lastLocationUpdate"]; // get time of last position
$rnt = $arr["data"]["attributes"]["isRentable"]; // check if scooter is rentable,
$act = $arr["data"]["attributes"]["state"]; // check if scooter is ACTIVE or MAINTAINANCE
// access values from the multidimensional $scooters array
$nam = $scooters[$id][1]; // get the artist name
$tit = $scooters[$id][2]; // get the works title
$des = $scooters[$id][3]; // get the works description
//construct json with latest data
$latestData[] = array( "ID" => $id,
"lastPos" => $pos,
"lastLocationUpdate" => $lst,
"isRentable" => $rnt,
"state" => $act,
"name" => $nam,
"title" => $tit,
"desc" => $des);
$id++;
}
return $latestData; //return array
}
// THIS ONLY NEEDS TO RUN EVERY 1 or 2 minutes, possibly in the background, als this should construct historical json as per tom martins post here: https://stackoverflow.com/questions/7895335/append-data-to-a-json-file-with-php/7895384
$arrayToEcho = saveLatestJSON();
$latestData = json_encode($arrayToEcho, JSON_FORCE_OBJECT); // force object accepts 0 as a key for the array and not NULL
$file = './latestData.json';
file_put_contents($file, $latestData, LOCK_EX);
//TODO make historical json file..
//see: https://stackoverflow.com/questions/7895335/append-data-to-a-json-file-with-php/7895384
//add something like:
// $inp = file_get_contents('./latestData.json');
// $tempArray = json_decode($inp);
// $tempArray[] .= $latestData;
// $jsonData = json_encode($tempArray);
// file_put_contents('./latestData.json', $jsonData);
function makeMarker(int $id){ // generate appropriate markers based on latest JSON
$readJSON = file_get_contents('./latestData.json'); //read latest data
$arr = json_decode($readJSON, true);
$pos = $arr[$id]["lastPos"]; // get last known position
$lst = $arr[$id]["lastLocationUpdate"]; // get time of last position
$rnt = $arr[$id]["isRentable"]; // check if scooter is rentable,
$act = $arr[$id]["state"]; // check if scooter is ACTIVE or MAINTAINANCE
// access values from the multidimensional $scooters array
$nam = $arr[$id]["name"]; // get the artist name
$tit = $arr[$id]["title"]; // get the works title
$des = $arr[$id]["desc"]; // get the works description
function makeMarker(int $id){
global $scooters; //"import" the global variable into the function's scope
$getJSON = callAPI($scooters[$id][0]); //abstract callAPI for neater reuse
$arr = json_decode($getJSON, true); // decode JSON data to PHP associative array
// access values from the associative array
$lat = $arr["data"]["attributes"]["lat"]; // get lattitude
$lng = $arr["data"]["attributes"]["lng"]; // get longitude
$pos = $lat.', '.$lng; // construct lat/lon for use in leafet
$lst = $arr["data"]["attributes"]["lastLocationUpdate"]; // get time of last position
$rnt = $arr["data"]["attributes"]["isRentable"]; // check if scooter is rentable,
$act = $arr["data"]["attributes"]["state"]; // check if scooter is ACTIVE or MAINTAINANCE
// access values from the multidimensional $scooters array
$nam = $scooters[$id][1]; // get the artist name
$tit = $scooters[$id][2]; // get the works title
$des = $scooters[$id][3]; // get the works description
//check scooter status and construct marker with corresponding icon
@ -64,14 +126,20 @@ function makeMarker(int $id){
};
return $marker;
}
//// make date time file------
// TODO save json to file?...mmm one big one? seperate ones, timestamped ones?
///..mmm one big one? seperate ones, timestamped ones?
// 60 second update interval
// make timestamp file like original python one! to check for updates
@ -100,9 +168,7 @@ function checkModified($file, $expiration){ //check if file is older than expira
}
function parseJSON(){
}
function callAPI($url){
$curl = curl_init($url);
@ -124,6 +190,7 @@ function callAPI($url){
}
?>
@ -196,6 +263,7 @@ function callAPI($url){
$id = 0; //start id
foreach($scooters as $item) {
// echo makeMarker($id);
echo makeMarker($id);
$id++;
@ -219,3 +287,10 @@ function callAPI($url){
</body>
</html>
<?php //end of measuring script execution time
//end clock time in seconds
$end_time = microtime(true);
//calculate script execution time
$execution_time = ($end_time - $start_time);
echo " Execution time of script = ".$execution_time." sec";
?>

1
website/latestData.json
View File

@ -0,0 +1 @@
{"0":{"ID":0,"lastPos":"52.58619, 13.358061","lastLocationUpdate":"2020-10-09T08:00:29Z","isRentable":true,"state":"ACTIVE","name":"artist name 0","title":"title 0","desc":"desciption 0"},"1":{"ID":1,"lastPos":"52.58619, 13.358061","lastLocationUpdate":"2020-10-09T08:00:29Z","isRentable":true,"state":"ACTIVE","name":"artist name 1","title":"title 1","desc":"desciption 1"},"2":{"ID":2,"lastPos":"52.53619, 13.358061","lastLocationUpdate":"2020-10-09T08:00:29Z","isRentable":true,"state":"ACTIVE","name":"artist name 2","title":"title 2","desc":"desciption 2"}}
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