data-store.php

Basic data store utility -- unfinished
git clone git://git.finwo.net/lib/data-store.php
Log | Files | Refs

data.php (3657B)

      1 <?php
      2 require_once 'init.php';
      3 $method = $_SERVER['REQUEST_METHOD'];
      4 $params = url_params("/api/data/:collection/:id");
      5 if(is_null($params['collection'])) {
      6     header('HTTP/1.0 400 Bad Request');
      7     echo 'Bad Request - No collection given';
      8     exit(0);
      9 }
     10 
     11 switch($method) {
     12     case 'GET':
     13         $dir = APPROOT.DS.'data'.DS.$params['collection'].DS;
     14         if (!is_dir($dir)) {
     15             header('HTTP/1.0 404 Not Found');
     16             echo 'Not Found - Collection does not exist';
     17             exit(0);
     18         }
     19 
     20         header('Content-Type: application/json');
     21         header('Access-Control-Allow-Origin: *');
     22 
     23         if (!isset($params['id'])) echo '[';
     24         $dh  = opendir($dir);
     25         $sep = '';
     26         while( $file = readdir($dh) ) {
     27             if ( substr($file,0,1) == '.' ) continue;
     28             $id  = explode('.',$file);
     29             $ext = array_pop($id);
     30             $id  = implode('.',$id);
     31             if ( $ext != 'json' ) continue;
     32             if ( isset($params['id']) ) {
     33                 if ( $params['id'] == $id ) {
     34                     $entity        = json_decode(file_get_contents($dir.$file), true);
     35                     $entity['_id'] = $id;
     36                     echo json_encode($entity);
     37                     exit(0);
     38                 }
     39                 continue;
     40             }
     41             $entity        = json_decode(file_get_contents($dir.$file), true);
     42             $entity['_id'] = $id;
     43             if ( isset($params['filter']) && !entity_matches($entity,$params['filter']) ) {
     44                 continue;
     45             }
     46             echo $sep;
     47             $sep = ',';
     48             echo json_encode($entity);
     49         }
     50         if (!isset($params['id'])) echo ']';
     51         break;
     52 
     53     case 'POST':
     54         $dir = APPROOT.DS.'data'.DS.$params['collection'].DS;
     55         if (!is_dir($dir)) {
     56             mkdir($dir);
     57         }
     58 
     59         header('Content-Type: application/json');
     60         header('Access-Control-Allow-Origin: *');
     61 
     62         $id   = isset($params['id']) ? $params['id'] : uuid($params['collection']);
     63         $file = $dir.$id.'.json';
     64         file_put_contents($file,json_encode($_POST));
     65         $_POST['_id'] = $id;
     66         echo json_encode($_POST);
     67 
     68         break;
     69 
     70     case 'DELETE':
     71         $dir = APPROOT.DS.'data'.DS.$params['collection'].DS;
     72         if (!is_dir($dir)) {
     73             header('HTTP/1.0 404 Not Found');
     74             echo 'Not Found - Collection does not exist';
     75             exit(0);
     76         }
     77         if (!isset($params['id'])) {
     78             header('HTTP/1.0 400 Not Found');
     79             echo 'Bad Request - No ID given';
     80             exit(0);
     81         }
     82 
     83         header('Content-Type: application/json');
     84         header('Access-Control-Allow-Origin: *');
     85 
     86         $file = $dir.$params['id'].'.json';
     87         if(!is_file($file)) {
     88             header('HTTP/1.0 404 Not Found');
     89             echo 'Not Found - Entity does not exist';
     90             exit(0);
     91         }
     92 
     93         $entity        = json_decode(file_get_contents($file), true);
     94         $entity['_id'] = $params['id'];
     95         unlink($file);
     96         echo json_encode($entity);
     97         break;
     98 
     99     case 'OPTIONS':
    100         header('Access-Control-Allow-Origin: *');
    101         header('Access-Control-Allow-Methods: GET, POST, OPTIONS, DELETE');
    102         if (array_key_exists('HTTP_ACCESS_CONTROL_REQUEST_HEADERS', $_SERVER)) {
    103             header('Access-Control-Allow-Headers: '.$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
    104         } else {
    105             header('Access-Control-Allow-Headers: *');
    106         }
    107         break;
    108 
    109     default:
    110         header('HTTP/1.0 400 Bad Request');
    111         echo 'Bad Request - Invalid method';
    112         break;
    113 }