104 lines
2.9 KiB
PHP
104 lines
2.9 KiB
PHP
<?php
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/**
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* @copyright 2020 Podlibre
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* @license https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
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* @link https://castopod.org/
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*/
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use JamesHeinrich\GetID3\GetID3;
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use JamesHeinrich\GetID3\WriteTags;
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/**
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* Gets audio file metadata and ID3 info
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*
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* @param UploadedFile $file
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*
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* @return array
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*/
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function get_file_tags($file)
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{
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$getID3 = new GetID3();
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$FileInfo = $getID3->analyze($file);
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return [
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'filesize' => $FileInfo['filesize'],
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'mime_type' => $FileInfo['mime_type'],
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'playtime_seconds' => $FileInfo['playtime_seconds'],
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'attached_picture' => array_key_exists('comments', $FileInfo)
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? $FileInfo['comments']['picture'][0]['data']
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: null,
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];
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}
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/**
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* Write audio file metadata / ID3 tags
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*
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* @param App\Entities\Episode $episode
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*
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* @return UploadedFile
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*/
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function write_enclosure_tags($episode)
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{
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$TextEncoding = 'UTF-8';
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// Initialize getID3 tag-writing module
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$tagwriter = new WriteTags();
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$tagwriter->filename = $episode->enclosure_media_path;
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// set various options (optional)
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$tagwriter->tagformats = ['id3v2.4'];
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$tagwriter->tag_encoding = $TextEncoding;
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$cover = new \CodeIgniter\Files\File($episode->image_media_path);
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$APICdata = file_get_contents($cover->getRealPath());
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// TODO: variables used for podcast specific tags
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// $podcast_url = $episode->podcast->link;
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// $podcast_feed_url = $episode->podcast->feed_url;
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// $episode_media_url = $episode->link;
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// populate data array
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$TagData = [
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'title' => [$episode->title],
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'artist' => [$episode->podcast->author],
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'album' => [$episode->podcast->title],
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'year' => [$episode->pub_date->format('Y')],
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'genre' => ['Podcast'],
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'comment' => [$episode->description],
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'track_number' => [strval($episode->number)],
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'copyright_message' => [$episode->podcast->copyright],
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'publisher' => ['Podlibre'],
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'encoded_by' => ['Castopod'],
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// TODO: find a way to add the remaining tags for podcasts as the library doesn't seem to allow it
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// 'website' => [$podcast_url],
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// 'podcast' => [],
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// 'podcast_identifier' => [$episode_media_url],
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// 'podcast_feed' => [$podcast_feed_url],
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// 'podcast_description' => [$podcast->description],
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];
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$TagData['attached_picture'][] = [
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'picturetypeid' => 2, // Cover. More: module.tag.id3v2.php
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'data' => $APICdata,
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'description' => 'cover',
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'mime' => $cover->getMimeType(),
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];
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$tagwriter->tag_data = $TagData;
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// write tags
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if ($tagwriter->WriteTags()) {
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echo 'Successfully wrote tags<br>';
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if (!empty($tagwriter->warnings)) {
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echo 'There were some warnings:<br>' .
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implode('<br><br>', $tagwriter->warnings);
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}
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} else {
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echo 'Failed to write tags!<br>' .
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implode('<br><br>', $tagwriter->errors);
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}
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}
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