callback.php

   1 <?php
   2 declare(strict_types = 1);
   3
   4 require 'secrets.php';
   5 require 'mpfuncs.php';
   6
   7 const BASE_URL = 'https://api.spotify.com/v1/';
   8 const AUTH_URL = 'https://accounts.spotify.com/';
   9 const DATE_FILE = 'prev_date.txt';
  10 const MONTHS = [
  11     '01' => 'January',
  12     '02' => 'February',
  13     '03' => 'March',
  14     '04' => 'April',
  15     '05' => 'May',
  16     '06' => 'June',
  17     '07' => 'July',
  18     '08' => 'August',
  19     '09' => 'September',
  20     '10' => 'October',
  21     '11' => 'November',
  22     '12' => 'December',
  23 ];
  24
  25 $code = $_GET['code'];
  26
  27 // Get month and year user is requesting
  28 $state = explode(':', $_GET['state']);
  29
  30
  31 if (!$code) {
  32     exit(1);
  33 }
  34
  35 #print_r($today);
  36
  37 #Handle Spotify Token Authorization
  38
  39 $token_data = [
  40     'grant_type' => 'authorization_code',
  41     'code' => $code,
  42     'redirect_uri' => REDIRECT_URI
  43 ];
  44 $token_data = http_build_query($token_data);
  45
  46 $token_opts = [
  47     'http' => [
  48         'method' => 'POST',
  49         /*'header' => "Content-type: application/x-www-form-urlencoded\r\n"
  50           . "Content-Length: " . strlen($token_data) . "\r\n"
  51           . "Authorization: Basic " . base64_encode('868e2cba00de4819900dd8a647a7ba7d:' . CLIENT_SECRET) . "\r\n",*/
  52         'header' => "Authorization: Basic " . base64_encode('93a6f9c0375c45d4b348157691aa24e8:' . CLIENT_SECRET) . " \r\n",
  53         'content' => $token_data
  54     ]
  55 ];
  56
  57 $token_context = stream_context_create($token_opts);
  58
  59 $spot_req = file_get_contents(AUTH_URL . 'api/token', false, $token_context);
  60
  61 echo $spot_req;
  62 $spot_json = json_decode($spot_req, true);
  63
  64 $spot_token = $spot_json['access_token'];
  65
  66
  67 $me_opts = [
  68     'http' => [
  69         'method' => 'GET',
  70         'header' => 'Authorization: Bearer ' . $spot_token . "\r\n"
  71     ]
  72 ];
  73
  74 $me_context = stream_context_create($me_opts);
  75
  76 $me_resp = file_get_contents(BASE_URL . 'me', false, $me_context);
  77 $me_json = json_decode($me_resp, true);
  78 $me_id = $me_json['id'];
  79
  80 # Check if this month's playlist exists
  81
  82 $playlistName = MONTHS[$state[0]] . ' ' . $state[1] . ' Marketplace Tracks';
  83
  84 $checkPlaylistOpts = [
  85     'http' => [
  86         'method' => 'GET',
  87         'header' => 'Authorization: Bearer ' . $spot_token . "\r\n"
  88     ]
  89 ];
  90
  91 $checkPlaylistContext = stream_context_create($checkPlaylistOpts);
  92
  93 $checkPlaylistReq = file_get_contents(BASE_URL  . 'me/playlists', false, $checkPlaylistContext);
  94
  95 $checkPlaylistJson = json_decode($checkPlaylistReq, true);
  96
  97 foreach ($checkPlaylistJson['items'] as $playlist) {
  98     #TODO should check if $user owns playlist
  99     if (!strcmp($playlistName, $playlist['name'])) {
 100         $playlistID = $playlist['id'];
 101     }
 102 }
 103
 104 # Create new playlist if one does not exist
 105 # DEVELOPMENT TEMP ALWAYS CREATE NEW PLAYLIST
 106 #if (!$playlistID) {
 107     if (true) {
 108
 109         $playlist_data = [
 110             'name' => $playlistName,
 111             'description' => 'A playlist of Marketplace tracks by Marketplaylister.',
 112         ];
 113
 114         $playlist_opts = [
 115             'http' => [
 116                 'method' => 'POST',
 117             'header' => 'Authorization: Bearer ' . $spot_token . "\r\n"
 118                 . 'Content-Type: application/json \r\n',
 119             'content' => json_encode($playlist_data)
 120             ]
 121         ];
 122
 123         $playlist_context = stream_context_create($playlist_opts);
 124         $playlist_req = file_get_contents(BASE_URL . 'users/' . $me_id . '/playlists', false, $playlist_context);
 125         $playlist_json = json_decode($playlist_req, true);
 126         $playlistID = $playlist_json['id'];
 127
 128
 129     }
 130
 131     $uris = [];
 132
 133     $pdo = new PDO("sqlite:mktplc.sqlite3");
 134     $stmt = $pdo->prepare("SELECT uri FROM songs s WHERE uri IS NOT NULL AND strftime('%m', s.date) == :month AND strftime('%Y', s.date) == :year");
 135     $stmt->bindParam(':month', $state[0]);
 136     $stmt->bindParam(':year', $state[1]);
 137     if ($stmt->execute()) {
 138         while ($row = $stmt->fetch()) {
 139             $uris[] = $row['uri'];
 140         }
 141     }
 142
 143     $update_data = [
 144         'uris' => $uris,
 145     ];
 146
 147     echo '<br /> update_data <br />';
 148
 149     $update_opts = [
 150         'http' => [
 151             'method' => 'POST',
 152             'ignore_errors' => true,
 153             'header' => 'Authorization: Bearer ' . $spot_token . "\r\n"
 154                 . 'Content-Type: application/json \r\n'
 155                 . 'Accept: application/json \r\n',
 156             'content' => json_encode($update_data)
 157         ]
 158     ];
 159
 160     $update_context = stream_context_create($update_opts);
 161     $update_url = BASE_URL . 'playlists/' . $playlistID . '/tracks';
 162     echo '<br />' . $update_url;
 163     echo '<br />';
 164     echo '<br />' . count($uris);
 165     echo '<br />';
 166     print_r(json_encode($update_data));
 167     $update_req = file_get_contents($update_url, false, $update_context);
 168     var_dump($update_req);
 169