| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* A wrapper class for the Youtube Data API v3. |
| 5 |
* |
| 6 |
* @link https://plugins360.com |
| 7 |
* @since 1.0.0 |
| 8 |
* |
| 9 |
* @package Automatic_YouTube_Gallery |
| 10 |
*/ |
| 11 |
|
| 12 |
// Exit if accessed directly |
| 13 |
if ( ! defined( 'WPINC' ) ) { |
| 14 |
die; |
| 15 |
} |
| 16 |
|
| 17 |
/** |
| 18 |
* AYG_YouTube_API class. |
| 19 |
* |
| 20 |
* @since 1.0.0 |
| 21 |
*/ |
| 22 |
class AYG_YouTube_API { |
| 23 |
|
| 24 |
/** |
| 25 |
* The YouTube API Key. |
| 26 |
* |
| 27 |
* @since 1.0.0 |
| 28 |
* @access protected |
| 29 |
* @var string |
| 30 |
*/ |
| 31 |
protected $api_key; |
| 32 |
|
| 33 |
/** |
| 34 |
* The YouTube API URLs. |
| 35 |
* |
| 36 |
* @since 1.0.0 |
| 37 |
* @access protected |
| 38 |
* @var array |
| 39 |
*/ |
| 40 |
public $api_urls = array( |
| 41 |
'playlistItems.list' => 'https://www.googleapis.com/youtube/v3/playlistItems', |
| 42 |
'channels.list' => 'https://www.googleapis.com/youtube/v3/channels', |
| 43 |
'search.list' => 'https://www.googleapis.com/youtube/v3/search', |
| 44 |
'videos.list' => 'https://www.googleapis.com/youtube/v3/videos' |
| 45 |
); |
| 46 |
|
| 47 |
/** |
| 48 |
* Is development mode enabled? |
| 49 |
* |
| 50 |
* @since 2.3.0 |
| 51 |
* @access protected |
| 52 |
* @var bool |
| 53 |
*/ |
| 54 |
protected $is_development_mode = false; |
| 55 |
|
| 56 |
/** |
| 57 |
* Get videos. |
| 58 |
* |
| 59 |
* @since 1.0.0 |
| 60 |
* @param array $params Array of query params. |
| 61 |
* @return mixed |
| 62 |
*/ |
| 63 |
public function query( $params = array() ) { |
| 64 |
// Get YouTube API Key |
| 65 |
$general_settings = get_option( 'ayg_general_settings' ); |
| 66 |
|
| 67 |
if ( empty( $general_settings['api_key'] ) ) { |
| 68 |
return $this->get_error( __( 'YouTube API key not found.', 'automatic-youtube-gallery' ) . ' ' . sprintf( __( 'Kindly follow this URL <a href="%s" target="_blank">this guide</a> to get your own API key.', 'automatic-youtube-gallery' ), 'https://plugins360.com/automatic-youtube-gallery/how-to-get-youtube-api-key/' ) ); |
| 69 |
} |
| 70 |
|
| 71 |
$this->api_key = $general_settings['api_key']; |
| 72 |
|
| 73 |
// Is development mode enabled? |
| 74 |
if ( isset( $general_settings['development_mode'] ) && ! empty( $general_settings['development_mode'] ) ) { |
| 75 |
$this->is_development_mode = true; |
| 76 |
} |
| 77 |
|
| 78 |
// Process output |
| 79 |
$response = array(); |
| 80 |
|
| 81 |
switch ( $params['type'] ) { |
| 82 |
case 'playlist': |
| 83 |
if ( empty( $params['src'] ) ) { |
| 84 |
return $this->get_error( __( 'YouTube Playlist ID (or) URL is required.', 'automatic-youtube-gallery' ) ); |
| 85 |
} |
| 86 |
|
| 87 |
$response = $this->request_api_playlist_items( $params ); |
| 88 |
break; |
| 89 |
|
| 90 |
case 'channel': |
| 91 |
if ( empty( $params['src'] ) ) { |
| 92 |
return $this->get_error( __( 'YouTube Channel ID (or) or a YouTube Video URL from the Channel is required.', 'automatic-youtube-gallery' ) ); |
| 93 |
} |
| 94 |
|
| 95 |
$params['id'] = $this->get_channel_id( $params ); |
| 96 |
|
| 97 |
if ( empty( $params['id'] ) ) { |
| 98 |
return $this->get_error( __( 'Invalid YouTube Channel ID.', 'automatic-youtube-gallery' ) ); |
| 99 |
} |
| 100 |
|
| 101 |
// Get playlist id from the channel |
| 102 |
$playlist_id = $this->get_playlist_id( $params ); |
| 103 |
|
| 104 |
if ( empty( $playlist_id ) ) { |
| 105 |
return $this->get_error( __( 'No videos found matching your query.', 'automatic-youtube-gallery' ) ); |
| 106 |
} |
| 107 |
|
| 108 |
// Get videos using the playlist id |
| 109 |
$params['src'] = $playlist_id; |
| 110 |
$response = $this->request_api_playlist_items( $params ); |
| 111 |
break; |
| 112 |
|
| 113 |
case 'username': |
| 114 |
if ( empty( $params['src'] ) ) { |
| 115 |
return $this->get_error( __( 'YouTube Account Username is required.', 'automatic-youtube-gallery' ) ); |
| 116 |
} |
| 117 |
|
| 118 |
// Get playlist id from the channel |
| 119 |
$params['forUsername'] = $this->parse_youtube_id_from_url( $params['src'], 'username' ); |
| 120 |
$playlist_id = $this->get_playlist_id( $params ); |
| 121 |
|
| 122 |
if ( empty( $playlist_id ) ) { |
| 123 |
return $this->get_error( __( 'No videos found matching your query.', 'automatic-youtube-gallery' ) ); |
| 124 |
} |
| 125 |
|
| 126 |
// Get videos using the playlist id |
| 127 |
$params['src'] = $playlist_id; |
| 128 |
$response = $this->request_api_playlist_items( $params ); |
| 129 |
break; |
| 130 |
|
| 131 |
case 'search': |
| 132 |
if ( empty( $params['src'] ) ) { |
| 133 |
return $this->get_error( __( 'Cannot search an empty string. A search keyword is required.', 'automatic-youtube-gallery' ) ); |
| 134 |
} |
| 135 |
|
| 136 |
$response = $this->request_api_search( $params ); |
| 137 |
break; |
| 138 |
|
| 139 |
case 'videos': |
| 140 |
if ( empty( $params['src'] ) ) { |
| 141 |
return $this->get_error( __( 'Atleast one YouTube Video ID (or) URL is required.', 'automatic-youtube-gallery' ) ); |
| 142 |
} |
| 143 |
|
| 144 |
$response = $this->request_api_videos( $params ); |
| 145 |
break; |
| 146 |
|
| 147 |
case 'livestream': |
| 148 |
if ( empty( $params['src'] ) ) { |
| 149 |
return $this->get_error( __( 'YouTube Channel ID (or) or a YouTube Video URL from the Channel is required.', 'automatic-youtube-gallery' ) ); |
| 150 |
} |
| 151 |
|
| 152 |
$response = new stdClass(); |
| 153 |
$response->id = $this->get_channel_id( $params ); |
| 154 |
|
| 155 |
if ( empty( $response->id ) ) { |
| 156 |
return $this->get_error( __( 'Invalid YouTube Channel ID.', 'automatic-youtube-gallery' ) ); |
| 157 |
} |
| 158 |
break; |
| 159 |
|
| 160 |
default: // video |
| 161 |
if ( empty( $params['src'] ) ) { |
| 162 |
return $this->get_error( __( 'YouTube Video ID (or) URL is required.', 'automatic-youtube-gallery' ) ); |
| 163 |
} |
| 164 |
|
| 165 |
$response = $this->request_api_video( $params ); |
| 166 |
break; |
| 167 |
} |
| 168 |
|
| 169 |
return $response; |
| 170 |
} |
| 171 |
|
| 172 |
/** |
| 173 |
* Grab the playlist, channel or video ID using the YouTube URL given. |
| 174 |
* |
| 175 |
* @since 1.0.0 |
| 176 |
* @access private |
| 177 |
* @param string $url YouTube URL. |
| 178 |
* @param string $type Type of the URL (playlist|channel|video). |
| 179 |
* @return mixed |
| 180 |
*/ |
| 181 |
private function parse_youtube_id_from_url( $url, $type = 'video' ) { |
| 182 |
$url = trim( $url ); |
| 183 |
$id = $url; |
| 184 |
|
| 185 |
switch ( $type ) { |
| 186 |
case 'playlist': |
| 187 |
if ( preg_match( '/list=(.*)&?\/?/', $url, $matches ) ) { |
| 188 |
$id = $matches[1]; |
| 189 |
} |
| 190 |
break; |
| 191 |
|
| 192 |
case 'channel': |
| 193 |
if ( wp_http_validate_url( $id ) ) { |
| 194 |
$id = ''; |
| 195 |
} |
| 196 |
|
| 197 |
$url = parse_url( rtrim( $url, '/' ) ); |
| 198 |
|
| 199 |
if ( isset( $url['path'] ) && preg_match( '/^\/channel\/(([^\/])+?)$/', $url['path'], $matches ) ) { |
| 200 |
$id = $matches[1]; |
| 201 |
} |
| 202 |
break; |
| 203 |
|
| 204 |
case 'username': |
| 205 |
$url = parse_url( rtrim( $url, '/' ) ); |
| 206 |
|
| 207 |
if ( isset( $url['path'] ) && preg_match( '/^\/user\/(([^\/])+?)$/', $url['path'], $matches ) ) { |
| 208 |
$id = $matches[1]; |
| 209 |
} |
| 210 |
break; |
| 211 |
|
| 212 |
default: // video |
| 213 |
$url = parse_url( $url ); |
| 214 |
|
| 215 |
if ( array_key_exists( 'host', $url ) ) { |
| 216 |
if ( 0 === strcasecmp( $url['host'], 'youtu.be' ) ) { |
| 217 |
$id = substr( $url['path'], 1 ); |
| 218 |
} elseif ( 0 === strcasecmp( $url['host'], 'www.youtube.com' ) ) { |
| 219 |
if ( isset( $url['query'] ) ) { |
| 220 |
parse_str( $url['query'], $url['query'] ); |
| 221 |
|
| 222 |
if ( isset( $url['query']['v'] ) ) { |
| 223 |
$id = $url['query']['v']; |
| 224 |
} |
| 225 |
} |
| 226 |
|
| 227 |
if ( empty( $id ) ) { |
| 228 |
$url['path'] = explode( '/', substr( $url['path'], 1 ) ); |
| 229 |
|
| 230 |
if ( in_array( $url['path'][0], array( 'e', 'embed', 'v' ) ) ) { |
| 231 |
$id = $url['path'][1]; |
| 232 |
} |
| 233 |
} |
| 234 |
} |
| 235 |
} |
| 236 |
} |
| 237 |
|
| 238 |
return $id; |
| 239 |
} |
| 240 |
|
| 241 |
/** |
| 242 |
* Get the channel ID. |
| 243 |
* |
| 244 |
* @since 2.0.0 |
| 245 |
* @access private |
| 246 |
* @param array $params Array of query params. |
| 247 |
* @return string |
| 248 |
*/ |
| 249 |
private function get_channel_id( $params = array() ) { |
| 250 |
// Parse channel ID from URL: https://www.youtube.com/channel/XXXXXXXXXX |
| 251 |
$id = $this->parse_youtube_id_from_url( $params['src'], 'channel' ); |
| 252 |
|
| 253 |
if ( empty( $id ) ) { |
| 254 |
// Get channel ID from a Video URL: https://www.youtube.com/watch?v=XXXXXXXXXX |
| 255 |
$video_id = $this->parse_youtube_id_from_url( $params['src'], 'video' ); |
| 256 |
|
| 257 |
// Request from cache |
| 258 |
$channel_ids = get_option( 'ayg_channel_ids', array() ); |
| 259 |
if ( ! is_array( $channel_ids ) ) { |
| 260 |
$channel_ids = (array) $channel_ids; |
| 261 |
} |
| 262 |
|
| 263 |
if ( isset( $channel_ids[ $video_id ] ) && ! empty( $channel_ids[ $video_id ] ) ) { |
| 264 |
return $channel_ids[ $video_id ]; |
| 265 |
} |
| 266 |
|
| 267 |
// Request from API |
| 268 |
$api_url = $this->get_api_url( 'videos.list' ); |
| 269 |
|
| 270 |
$params['id'] = $video_id; |
| 271 |
|
| 272 |
$api_params = $this->safe_merge_params( |
| 273 |
array( |
| 274 |
'id' => '', |
| 275 |
'part' => 'id,snippet,contentDetails,status', |
| 276 |
'cache' => 0 |
| 277 |
), |
| 278 |
$params |
| 279 |
); |
| 280 |
|
| 281 |
$api_response = $this->request_api( $api_url, $api_params, 'channel_id' ); |
| 282 |
if ( isset( $api_response->error ) ) { |
| 283 |
return $id; |
| 284 |
} |
| 285 |
|
| 286 |
$videos = $this->parse_videos( $api_response ); |
| 287 |
if ( isset( $videos->error ) ) { |
| 288 |
return $id; |
| 289 |
} |
| 290 |
|
| 291 |
// Process output |
| 292 |
if ( $id = $videos[0]->channel_id ) { |
| 293 |
// Store in cache |
| 294 |
$channel_ids[ $video_id ] = $id; |
| 295 |
update_option( 'ayg_channel_ids', $channel_ids ); |
| 296 |
} |
| 297 |
} |
| 298 |
|
| 299 |
return $id; |
| 300 |
} |
| 301 |
|
| 302 |
/** |
| 303 |
* Get playlist id using channels API. |
| 304 |
* |
| 305 |
* @since 1.0.0 |
| 306 |
* @access private |
| 307 |
* @param array $params Array of query params. |
| 308 |
* @return mixed |
| 309 |
*/ |
| 310 |
private function get_playlist_id( $params = array() ) { |
| 311 |
// Request from cache |
| 312 |
$playlist_ids = get_option( 'ayg_playlist_ids', array() ); |
| 313 |
if ( ! is_array( $playlist_ids ) ) { |
| 314 |
$playlist_ids = (array) $playlist_ids; |
| 315 |
} |
| 316 |
|
| 317 |
$key = ''; |
| 318 |
|
| 319 |
if ( isset( $params['forUsername'] ) && ! empty( $params['forUsername'] ) ) { |
| 320 |
$key = $params['forUsername']; |
| 321 |
} |
| 322 |
|
| 323 |
if ( isset( $params['id'] ) && ! empty( $params['id'] ) ) { |
| 324 |
unset( $params['forUsername'] ); |
| 325 |
$key = $params['id']; |
| 326 |
} |
| 327 |
|
| 328 |
if ( isset( $playlist_ids[ $key ] ) && ! empty( $playlist_ids[ $key ] ) ) { |
| 329 |
return $playlist_ids[ $key ]; |
| 330 |
} |
| 331 |
|
| 332 |
// Request from API |
| 333 |
$api_url = $this->get_api_url( 'channels.list' ); |
| 334 |
|
| 335 |
$api_params = $this->safe_merge_params( |
| 336 |
array( |
| 337 |
'id' => '', |
| 338 |
'forUsername' => '', |
| 339 |
'part' => 'contentDetails', |
| 340 |
'cache' => 0 |
| 341 |
), |
| 342 |
$params |
| 343 |
); |
| 344 |
|
| 345 |
$api_response = $this->request_api( $api_url, $api_params, 'playlist_id' ); |
| 346 |
if ( isset( $api_response->error ) ) { |
| 347 |
return $api_response; |
| 348 |
} |
| 349 |
|
| 350 |
if ( ! isset( $api_response->items ) ) { |
| 351 |
return false; |
| 352 |
} |
| 353 |
|
| 354 |
$items = $api_response->items; |
| 355 |
if ( ! is_array( $items ) || count( $items ) == 0 ) { |
| 356 |
return false; |
| 357 |
} |
| 358 |
|
| 359 |
// Process output |
| 360 |
if ( $id = $items[0]->contentDetails->relatedPlaylists->uploads ) { |
| 361 |
// Store in cache |
| 362 |
$playlist_ids[ $key ] = $id; |
| 363 |
update_option( 'ayg_playlist_ids', $playlist_ids ); |
| 364 |
|
| 365 |
// Return |
| 366 |
return $id; |
| 367 |
} |
| 368 |
|
| 369 |
return false; |
| 370 |
} |
| 371 |
|
| 372 |
/** |
| 373 |
* Get videos using playlistItems API. |
| 374 |
* |
| 375 |
* @since 1.0.0 |
| 376 |
* @access private |
| 377 |
* @param array $params Array of query params. |
| 378 |
* @return stdClass |
| 379 |
*/ |
| 380 |
private function request_api_playlist_items( $params = array() ) { |
| 381 |
$api_url = $this->get_api_url( 'playlistItems.list' ); |
| 382 |
|
| 383 |
$params['playlistId'] = $this->parse_youtube_id_from_url( $params['src'], 'playlist' ); |
| 384 |
|
| 385 |
$api_params = $this->safe_merge_params( |
| 386 |
array( |
| 387 |
'playlistId' => '', |
| 388 |
'part' => 'id,snippet,contentDetails,status', |
| 389 |
'maxResults' => 50, |
| 390 |
'pageToken' => '', |
| 391 |
'cache' => 0 |
| 392 |
), |
| 393 |
$params |
| 394 |
); |
| 395 |
|
| 396 |
$api_response = $this->request_api( $api_url, $api_params ); |
| 397 |
if ( isset( $api_response->error ) ) { |
| 398 |
return $api_response; |
| 399 |
} |
| 400 |
|
| 401 |
$videos = $this->parse_videos( $api_response ); |
| 402 |
if ( isset( $videos->error ) ) { |
| 403 |
return $videos; |
| 404 |
} |
| 405 |
|
| 406 |
// Process output |
| 407 |
$response = new stdClass(); |
| 408 |
$response->page_info = $this->parse_page_info( $api_response ); |
| 409 |
$response->videos = $videos; |
| 410 |
|
| 411 |
return $response; |
| 412 |
} |
| 413 |
|
| 414 |
/** |
| 415 |
* Get videos using search API. |
| 416 |
* |
| 417 |
* @since 1.0.0 |
| 418 |
* @access private |
| 419 |
* @param array $params Array of query params. |
| 420 |
* @return stdClass |
| 421 |
*/ |
| 422 |
private function request_api_search( $params = array() ) { |
| 423 |
$api_url = $this->get_api_url( 'search.list' ); |
| 424 |
|
| 425 |
$params['q'] = $params['src']; |
| 426 |
|
| 427 |
if ( ! empty( $params['q'] ) ) { |
| 428 |
$params['q'] = str_replace( '|', '%7C', $params['q'] ); |
| 429 |
} |
| 430 |
|
| 431 |
$params['type'] = 'video'; // Overrides user defined type value 'search' |
| 432 |
|
| 433 |
$api_params = $this->safe_merge_params( |
| 434 |
array( |
| 435 |
'q' => '', |
| 436 |
'channelId' => '', |
| 437 |
'type' => 'video', |
| 438 |
'videoEmbeddable' => true, |
| 439 |
'part' => 'id,snippet', |
| 440 |
'order' => 'date', |
| 441 |
'maxResults' => 50, |
| 442 |
'pageToken' => '', |
| 443 |
'cache' => 0 |
| 444 |
), |
| 445 |
$params |
| 446 |
); |
| 447 |
|
| 448 |
$api_response = $this->request_api( $api_url, $api_params ); |
| 449 |
if ( isset( $api_response->error ) ) { |
| 450 |
return $api_response; |
| 451 |
} |
| 452 |
|
| 453 |
$videos = $this->parse_videos( $api_response ); |
| 454 |
if ( isset( $videos->error ) ) { |
| 455 |
return $videos; |
| 456 |
} |
| 457 |
|
| 458 |
// Process output |
| 459 |
$response = new stdClass(); |
| 460 |
$response->page_info = $this->parse_page_info( $api_response ); |
| 461 |
$response->videos = $videos; |
| 462 |
|
| 463 |
return $response; |
| 464 |
} |
| 465 |
|
| 466 |
/** |
| 467 |
* Get details of the given video ID. |
| 468 |
* |
| 469 |
* @since 1.0.0 |
| 470 |
* @access private |
| 471 |
* @param array $params Array of query params. |
| 472 |
* @return stdClass |
| 473 |
*/ |
| 474 |
private function request_api_video( $params = array() ) { |
| 475 |
$api_url = $this->get_api_url( 'videos.list' ); |
| 476 |
|
| 477 |
$params['id'] = $this->parse_youtube_id_from_url( $params['src'], 'video' ); |
| 478 |
|
| 479 |
$api_params = $this->safe_merge_params( |
| 480 |
array( |
| 481 |
'id' => '', |
| 482 |
'part' => 'id,snippet,contentDetails,status', |
| 483 |
'cache' => 0 |
| 484 |
), |
| 485 |
$params |
| 486 |
); |
| 487 |
|
| 488 |
$api_response = $this->request_api( $api_url, $api_params ); |
| 489 |
if ( isset( $api_response->error ) ) { |
| 490 |
return $api_response; |
| 491 |
} |
| 492 |
|
| 493 |
$videos = $this->parse_videos( $api_response ); |
| 494 |
if ( isset( $videos->error ) ) { |
| 495 |
return $videos; |
| 496 |
} |
| 497 |
|
| 498 |
// Process output |
| 499 |
$response = new stdClass(); |
| 500 |
$response->videos = $videos; |
| 501 |
|
| 502 |
return $response; |
| 503 |
} |
| 504 |
|
| 505 |
/** |
| 506 |
* Get details of the given video IDs. |
| 507 |
* |
| 508 |
* @since 1.0.0 |
| 509 |
* @access private |
| 510 |
* @param array $params Array of query params. |
| 511 |
* @return stdClass |
| 512 |
*/ |
| 513 |
private function request_api_videos( $params = array() ) { |
| 514 |
$api_url = $this->get_api_url( 'videos.list' ); |
| 515 |
|
| 516 |
$urls = str_replace( "\n\r", ',', $params['src'] ); |
| 517 |
$urls = str_replace( ' ', ',', $urls ); |
| 518 |
$urls = explode( ',', $urls ); |
| 519 |
$urls = array_filter( $urls ); |
| 520 |
|
| 521 |
$all_ids = array(); |
| 522 |
foreach ( $urls as $url ) { |
| 523 |
$all_ids[] = $this->parse_youtube_id_from_url( $url, 'video' ); |
| 524 |
} |
| 525 |
$total_videos = count( $all_ids ); |
| 526 |
$total_pages = ceil( $total_videos / $params['maxResults'] ); |
| 527 |
|
| 528 |
$current_page = isset( $params['pageToken'] ) ? (int) $params['pageToken'] : 1; |
| 529 |
$current_page = max( $current_page, 1 ); |
| 530 |
$current_page = min( $current_page, $total_pages ); |
| 531 |
|
| 532 |
$offset = ( $current_page - 1 ) * $params['maxResults']; |
| 533 |
if ( $offset < 0 ) { |
| 534 |
$offset = 0; |
| 535 |
} |
| 536 |
|
| 537 |
$current_ids = array_slice( $all_ids, $offset, $params['maxResults'] ); |
| 538 |
$params['id'] = implode( ',', $current_ids ); |
| 539 |
|
| 540 |
$api_params = $this->safe_merge_params( |
| 541 |
array( |
| 542 |
'id' => '', |
| 543 |
'part' => 'id,snippet,contentDetails,status', |
| 544 |
'cache' => 0 |
| 545 |
), |
| 546 |
$params |
| 547 |
); |
| 548 |
|
| 549 |
$api_response = $this->request_api( $api_url, $api_params ); |
| 550 |
if ( isset( $api_response->error ) ) { |
| 551 |
return $api_response; |
| 552 |
} |
| 553 |
|
| 554 |
$videos = $this->parse_videos( $api_response ); |
| 555 |
if ( isset( $videos->error ) ) { |
| 556 |
return $videos; |
| 557 |
} |
| 558 |
|
| 559 |
// Process output |
| 560 |
$response = new stdClass(); |
| 561 |
$response->videos = $videos; |
| 562 |
|
| 563 |
$response->page_info = array( |
| 564 |
'videos_found' => $total_videos |
| 565 |
); |
| 566 |
|
| 567 |
if ( $current_page > 1 ) { |
| 568 |
$response->page_info['prev_page_token'] = $current_page - 1; |
| 569 |
} |
| 570 |
|
| 571 |
if ( $current_page < $total_pages ) { |
| 572 |
$response->page_info['next_page_token'] = $current_page + 1; |
| 573 |
} |
| 574 |
|
| 575 |
return $response; |
| 576 |
} |
| 577 |
|
| 578 |
/** |
| 579 |
* Get API URL by request. |
| 580 |
* |
| 581 |
* @since 1.0.0 |
| 582 |
* @access private |
| 583 |
* @param array $name |
| 584 |
* @return string |
| 585 |
*/ |
| 586 |
private function get_api_url( $name ) { |
| 587 |
return $this->api_urls[ $name ]; |
| 588 |
} |
| 589 |
|
| 590 |
/** |
| 591 |
* Request data from the API server. |
| 592 |
* |
| 593 |
* @since 1.0.0 |
| 594 |
* @access private |
| 595 |
* @param string $url YouTube API URL. |
| 596 |
* @param array $params Array of query params. |
| 597 |
* @param string $context "channel_id", "playlist_id", or "videos" |
| 598 |
* @return mixed |
| 599 |
*/ |
| 600 |
private function request_api( $url, $params, $context = 'videos' ) { |
| 601 |
$params['key'] = $this->api_key; |
| 602 |
|
| 603 |
// Request from cache |
| 604 |
if ( ! $this->is_development_mode ) { |
| 605 |
$cache_url = $url . ( strpos( $url, '?' ) === false ? '?' : '' ) . http_build_query( $params ); |
| 606 |
$cache_key = 'ayg_' . md5( $cache_url ); |
| 607 |
$cache_data = get_transient( $cache_key ); |
| 608 |
|
| 609 |
if ( ! empty( $cache_data ) ) { |
| 610 |
return $cache_data; |
| 611 |
} |
| 612 |
} |
| 613 |
|
| 614 |
// Request from API |
| 615 |
$cache_duration = 0; |
| 616 |
if ( isset( $params['cache'] ) ) { |
| 617 |
$cache_duration = (int) $params['cache']; |
| 618 |
unset( $params['cache'] ); |
| 619 |
} |
| 620 |
|
| 621 |
$q = ''; |
| 622 |
if ( isset( $params['q'] ) ) { |
| 623 |
$q = $params['q']; |
| 624 |
unset( $params['q'] ); |
| 625 |
} |
| 626 |
|
| 627 |
$url = $url . ( strpos( $url, '?' ) === false ? '?' : '' ) . http_build_query( $params ); |
| 628 |
if ( ! empty( $q ) ) { |
| 629 |
$url .= '&q=' . $q; |
| 630 |
} |
| 631 |
|
| 632 |
$request = wp_remote_get( $url, array( |
| 633 |
'headers' => [ 'referer' => home_url() ], |
| 634 |
) ); |
| 635 |
|
| 636 |
if ( is_wp_error( $request ) ) { |
| 637 |
return $this->get_error( $request->get_error_message() ); |
| 638 |
} |
| 639 |
|
| 640 |
$body = wp_remote_retrieve_body( $request ); |
| 641 |
|
| 642 |
$data = json_decode( $body ); |
| 643 |
|
| 644 |
if ( isset( $data->error ) ) { |
| 645 |
$message = "Error " . $data->error->code . " " . $data->error->message; |
| 646 |
|
| 647 |
if ( isset( $data->error->errors[0] ) ) { |
| 648 |
$message .= " : " . $data->error->errors[0]->reason; |
| 649 |
} |
| 650 |
|
| 651 |
return $this->get_error( $message ); |
| 652 |
} |
| 653 |
|
| 654 |
// Store in cache (transients) |
| 655 |
if ( ! $this->is_development_mode && 'videos' == $context && $cache_duration > 0 ) { |
| 656 |
if ( isset( $data->items ) && is_array( $data->items ) && count( $data->items ) > 0 ) { |
| 657 |
set_transient( $cache_key, $data, $cache_duration ); |
| 658 |
|
| 659 |
// Get the current list of transients |
| 660 |
$cache_keys = get_option( 'ayg_transient_keys', array() ); |
| 661 |
if ( ! is_array( $cache_keys ) ) { |
| 662 |
$cache_keys = (array) $cache_keys; |
| 663 |
} |
| 664 |
|
| 665 |
// Append our new one |
| 666 |
if ( ! in_array( $cache_key, $cache_keys ) ) { |
| 667 |
$cache_keys[] = $cache_key; |
| 668 |
} |
| 669 |
|
| 670 |
// Save it to the DB |
| 671 |
update_option( 'ayg_transient_keys', $cache_keys ); |
| 672 |
} |
| 673 |
} |
| 674 |
|
| 675 |
// Store videos in our custom database table "{$wpdb->prefix}ayg_videos" |
| 676 |
ayg_db_store_videos( $data ); |
| 677 |
|
| 678 |
// Finally return the data |
| 679 |
return $data; |
| 680 |
} |
| 681 |
|
| 682 |
/** |
| 683 |
* Parse videos from the YouTube API response object. |
| 684 |
* |
| 685 |
* @since 1.0.0 |
| 686 |
* @access private |
| 687 |
* @param object $data YouTube API response object. |
| 688 |
* @return mixed |
| 689 |
*/ |
| 690 |
private function parse_videos( $data ) { |
| 691 |
if ( ! isset( $data->items ) ) { |
| 692 |
return $this->get_error( __( 'No videos found matching your query.', 'automatic-youtube-gallery' ) ); |
| 693 |
} |
| 694 |
|
| 695 |
$items = $data->items; |
| 696 |
if ( ! is_array( $items ) || 0 == count( $items ) ) { |
| 697 |
return $this->get_error( __( 'No videos found matching your query.', 'automatic-youtube-gallery' ) ); |
| 698 |
} |
| 699 |
|
| 700 |
$videos = array(); |
| 701 |
|
| 702 |
foreach ( $items as $item ) { |
| 703 |
$video = new stdClass(); |
| 704 |
|
| 705 |
// Video ID |
| 706 |
$video->id = ''; |
| 707 |
|
| 708 |
if ( isset( $item->snippet->resourceId ) && isset( $item->snippet->resourceId->videoId ) ) { |
| 709 |
$video->id = $item->snippet->resourceId->videoId; |
| 710 |
} elseif ( isset( $item->contentDetails ) && isset( $item->contentDetails->videoId ) ) { |
| 711 |
$video->id = $item->contentDetails->videoId; |
| 712 |
} elseif ( isset( $item->id ) && isset( $item->id->videoId ) ) { |
| 713 |
$video->id = $item->id->videoId; |
| 714 |
} elseif ( isset( $item->id ) ) { |
| 715 |
$video->id = $item->id; |
| 716 |
} |
| 717 |
|
| 718 |
// Video channel ID |
| 719 |
$video->channel_id = ''; |
| 720 |
|
| 721 |
if ( isset( $item->snippet->channelId ) ) { |
| 722 |
$video->channel_id = $item->snippet->channelId; |
| 723 |
} |
| 724 |
|
| 725 |
// Video title |
| 726 |
$video->title = $item->snippet->title; |
| 727 |
|
| 728 |
// Video description |
| 729 |
$video->description = $item->snippet->description; |
| 730 |
|
| 731 |
// Video thumbnails |
| 732 |
if ( isset( $item->snippet->thumbnails ) ) { |
| 733 |
$video->thumbnails = $item->snippet->thumbnails; |
| 734 |
} |
| 735 |
|
| 736 |
// Video publish date |
| 737 |
$video->published_at = $item->snippet->publishedAt; |
| 738 |
|
| 739 |
// Push resulting object to the main array |
| 740 |
$status = 'private'; |
| 741 |
|
| 742 |
if ( isset( $item->status ) && ( 'public' == $item->status->privacyStatus || 'unlisted' == $item->status->privacyStatus ) ) { |
| 743 |
$status = 'public'; |
| 744 |
} |
| 745 |
|
| 746 |
if ( isset( $item->snippet->status ) && ( 'public' == $item->snippet->status->privacyStatus || 'unlisted' == $item->snippet->status->privacyStatus ) ) { |
| 747 |
$status = 'public'; |
| 748 |
} |
| 749 |
|
| 750 |
if ( 'youtube#searchResult' == $item->kind ) { |
| 751 |
$status = 'public'; |
| 752 |
} |
| 753 |
|
| 754 |
if ( 'public' == $status ) { |
| 755 |
$videos[] = $video; |
| 756 |
} |
| 757 |
} |
| 758 |
|
| 759 |
if ( 0 == count( $videos ) ) { |
| 760 |
return $this->get_error( __( 'No videos found matching your query.', 'automatic-youtube-gallery' ) ); |
| 761 |
} |
| 762 |
|
| 763 |
return $videos; |
| 764 |
} |
| 765 |
|
| 766 |
/** |
| 767 |
* Parse page info from the YouTube API response object. |
| 768 |
* |
| 769 |
* @since 1.0.0 |
| 770 |
* @access private |
| 771 |
* @param object $data YouTube API response object. |
| 772 |
* @return array |
| 773 |
*/ |
| 774 |
private function parse_page_info( $data ) { |
| 775 |
$page_info = array(); |
| 776 |
|
| 777 |
// Total count of videos found |
| 778 |
if ( isset( $data->pageInfo ) && isset( $data->pageInfo->totalResults ) ) { |
| 779 |
$page_info['videos_found'] = $data->pageInfo->totalResults; |
| 780 |
} |
| 781 |
|
| 782 |
// Token for the previous page |
| 783 |
if ( isset( $data->prevPageToken ) ) { |
| 784 |
$page_info['prev_page_token'] = $data->prevPageToken; |
| 785 |
} |
| 786 |
|
| 787 |
// Token for the next page |
| 788 |
if ( isset( $data->nextPageToken ) ) { |
| 789 |
$page_info['next_page_token'] = $data->nextPageToken; |
| 790 |
} |
| 791 |
|
| 792 |
return $page_info; |
| 793 |
} |
| 794 |
|
| 795 |
/** |
| 796 |
* Combine user params with known params and fill in defaults when needed. |
| 797 |
* |
| 798 |
* @since 1.0.0 |
| 799 |
* @access private |
| 800 |
* @param array $pairs Entire list of supported params and their defaults. |
| 801 |
* @param array $params User defined params. |
| 802 |
* @return array $out Combined and filtered params array. |
| 803 |
*/ |
| 804 |
private function safe_merge_params( $pairs, $params ) { |
| 805 |
$params = (array) $params; |
| 806 |
$out = array(); |
| 807 |
|
| 808 |
foreach ( $pairs as $name => $default ) { |
| 809 |
if ( array_key_exists( $name, $params ) ) { |
| 810 |
$out[ $name ] = $params[ $name ]; |
| 811 |
} else { |
| 812 |
$out[ $name ] = $default; |
| 813 |
} |
| 814 |
|
| 815 |
if ( empty( $out[ $name ] ) ) { |
| 816 |
unset( $out[ $name ] ); |
| 817 |
} |
| 818 |
} |
| 819 |
|
| 820 |
return $out; |
| 821 |
} |
| 822 |
|
| 823 |
/** |
| 824 |
* Build error object. |
| 825 |
* |
| 826 |
* @since 1.0.0 |
| 827 |
* @access private |
| 828 |
* @param string $message Error message. |
| 829 |
* @return object Error object. |
| 830 |
*/ |
| 831 |
private function get_error( $message ) { |
| 832 |
$obj = new stdClass(); |
| 833 |
$obj->error = 1; |
| 834 |
$obj->error_message = $message; |
| 835 |
|
| 836 |
return $obj; |
| 837 |
} |
| 838 |
|
| 839 |
} |
| 840 |
|