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325 lines
15 KiB
325 lines
15 KiB
<?php |
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$DEBUG = true; |
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$NEED_TRANSLATION = true; |
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/** |
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* Implements the functions required by Audio Station/DSAudio. |
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* |
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* @author Ludy Su (https://github.com/LudySu/Synology-LrcPlugin) |
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* @see https://global.download.synology.com/download/Document/DeveloperGuide/AS_Guide.pdf |
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*/ |
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class LudysuNetEaseLrc { |
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private $mArtist = ""; |
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private $mTitle = ""; |
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/** |
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* Searches for a lyric with the artist and title, and returns the result list. |
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*/ |
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public function getLyricsList($artist, $title, $info) { |
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$artist = trim($artist); |
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$title = trim($title); |
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$this->mArtist = $artist; |
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$this->mTitle = $title; |
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if ($this->isNullOrEmptyString($title)) { |
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return 0; |
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} |
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$response = $this->search($title); |
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if ($this->isNullOrEmptyString($response)) { |
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return 0; |
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} |
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$json = json_decode($response, true); |
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$songArray = $json['result']['songs']; |
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if(count($songArray) == 0) { |
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return 0; |
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} |
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// Try to find the titles that match exactly |
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$exactMatchArray = array(); |
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$partialMatchArray = array(); |
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foreach ($songArray as $song) { |
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$lowTitle = strtolower($title); |
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$lowResult = strtolower($song['name']); |
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if (strtolower($lowTitle) === strtolower($lowResult)) { |
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array_push($exactMatchArray, $song); |
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} else if (strpos($lowResult, $lowTitle) !== FALSE || strpos($lowTitle, $lowResult) !== FALSE) { |
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array_push($partialMatchArray, $song); |
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} |
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} |
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if (count($exactMatchArray) != 0) { |
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$songArray = $exactMatchArray; |
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} else if (count($partialMatchArray != 0)) { |
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$songArray = $partialMatchArray; |
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} |
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// Get information from songs |
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$foundArray = array(); |
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foreach ($songArray as $song) { |
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$elem = array( |
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'id' => $song['id'], |
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'artist' => $song['artists'][0]["name"], |
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'title' => $song['name'], |
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'alt' => $song['alias'][0] . "; Album: " . $song['album']['name'] |
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); |
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// Find the best match artist from all artists belong to a song |
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$max = 0; |
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foreach ($song['artists'] as $item) { |
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$score = $this->getStringSimilarity($artist, $item['name']); |
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if ($score > $max) { |
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$max = $distance; |
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$elem['artist'] = $item['name']; |
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} |
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} |
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array_push($foundArray, $elem); |
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} |
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// Sort by best match according to similarity of artist and title |
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usort($foundArray, array($this,'cmp')); |
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foreach ($foundArray as $song) { |
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// add artist, title, id, lrc preview (or additional comment) |
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$info->addTrackInfoToList($song['artist'], $song['title'], $song['id'], $song['id'] . "; " . $song['alt']); |
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} |
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return count($foundArray); |
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} |
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/** |
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* Downloads a file with the specific ID |
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*/ |
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public function getLyrics($id, $info) { |
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$lrc = $this->downloadLyric($id); |
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if ($this->isNullOrEmptyString($lrc)) { |
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printf("download lyrics from server failed\n"); |
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return FALSE; |
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} |
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$info->addLyrics($lrc, $id); |
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return true; |
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} |
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private function cmp($lhs, $rhs) { |
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$scoreArtistL = $this->getStringSimilarity($this->mArtist, $lhs['artist']); |
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$scoreArtistR = $this->getStringSimilarity($this->mArtist, $rhs['artist']); |
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$scoreTitleL = $this->getStringSimilarity($this->mTitle, $lhs['title']); |
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$scoreTitleR = $this->getStringSimilarity($this->mTitle, $rhs['title']); |
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printf("artist " . $lhs['artist'] . " vs " . $rhs['artist'] . " | " . $scoreArtistL . " vs " . $scoreArtistR . "</br>"); |
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printf("title " . $lhs['title'] . " vs " . $rhs['title'] . " | " . $scoreTitleL . " vs " . $scoreTitleR. "</br>"); |
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return $scoreArtistR + $scoreTitleR - $scoreArtistL - $scoreTitleL; |
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} |
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/** |
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* Gets similarity score of 0-100 between 2 strings, the bigger the score is, the more similarity. |
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*/ |
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private static function getStringSimilarity($lhs, $rhs) { |
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similar_text($lhs, $rhs, $percent); |
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return $percent; |
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} |
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private static function search($word) { |
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$params = array( |
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's' => $word, |
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'offset' => '0', 'limit' => '20', |
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'total' => true, |
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'type' => '1', //搜索单曲(1)，歌手(100)，专辑(10)，歌单(1000)，用户(1002) |
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); |
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$curl = curl_init(); |
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curl_setopt_array($curl, array( |
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CURLOPT_URL => "http://music.163.com/api/search/pc", |
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CURLOPT_RETURNTRANSFER => true, |
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CURLOPT_POST => true, |
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CURLOPT_POSTFIELDS => http_build_query($params), |
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)); |
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$output = curl_exec($curl); |
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curl_close($curl); |
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return $output; |
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} |
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/** |
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* Gets all lyrics, apart from original one, translated and karaoke versions will also be returned if available. |
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*/ |
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private function downloadLyric($music_id) { |
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// lv = original version; tv = translated version; kv = karaoke version, rarely available. Set value to 0 if don't want |
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$url = "http://music.163.com/api/song/lyric?os=pc&id=" . $music_id . "&lv=-1&kv=0&tv=-1"; |
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$response = '{"sgc":false,"sfy":false,"qfy":false,"transUser":{"id":479938456,"status":99,"demand":1,"userid":124108722,"nickname":"丶吟游","uptime":1495604317130},"lrc":{"version":2,"lyric":"[by:丶吟游]\n[00:00.00] 作曲 : 田淵智也\n[00:00.27] 作词 : LiSA\n[00:00.81]\n[00:21.81]そっと 吐き出す ため息を吸い込んだ 後悔は苦い味残して\n[00:31.37]いつも なんで？ 肝心なこと言えないまま 次の朝日が顔だしてる\n[00:39.81]\n[00:40.14]嫌になった運命を ナイフで切り刻んで\n[00:46.26]もう一度やり直したら キミに出会えないかも\n[00:55.36]\n[00:55.89]僕の声が響いた瞬間に始まる 命のリミット 心臓がカウントしてる\n[01:07.22]叶えても叶えても 終わらない願い\n[01:16.05]汗をかいて走った 世界の秒針は いつか止まった僕を置いていく\n[01:27.48]あと何回キミと笑えるの？\n[01:33.82]試してるんだ 僕を Catch the Moment\n[01:37.82]\n[01:47.62]一個幸せを数えるたびに 変わっていく未来に怯えてしまうけど\n[01:57.05]\n[01:57.38]愛情の種を大切に育てよう\n[02:04.20]分厚い雲も やがて突き破るかな\n[02:11.43]\n[02:11.69]キミの声が響いた 僕の全身を通って 心臓のドアをノックしてる\n[02:23.03]「臆病」でも開けちゃうんだよ 信じたいから\n[02:31.74]何にもないと思ったはずの足元に いつか深く確かな根を生やす\n[02:43.24]嵐の夜が来たとしても 揺らいだりはしない\n[02:52.05]\n[02:52.29]何度でも\n[02:52.91]追いついたり 追い越したり キミがふいに分かんなくなって\n[02:57.98]息をしたタイミングが合うだけで 嬉しくなったりして\n[03:04.83]集めた一秒を 永遠にして行けるかな\n[03:16.45]\n[03:27.67]僕の声が響いた瞬間に始まる 命のリミット 心臓がカウントしてる\n[03:38.78]叶えても叶えても 終わらない願い\n[03:47.70]汗をかいて走った 世界の秒針が いつか止まった僕を置いていく\n[03:59.05]あと何回キミと笑えるの？\n[04:05.35]試してるんだ 僕を Catch the Moment\n[04:09.43]\n[04:10.60]逃さないよ僕は\n[04:12.86]この瞬間を掴め Catch the Moment\n[04:20.14]\n"},"klyric":{"version":0,"lyric":""},"tlyric":{"version":2,"lyric":"[00:21.81]轻轻吐出的叹息 又默默咽回腹中 反悔总是留下苦涩的余味\n[00:31.37]这到底是为什么？重要的话还未来得及说出口 翌日的朝阳却已露出了脸庞\n[00:40.14]深恶痛疾的命运 用利刃切成粉碎\n[00:46.26]即使一切能从头来过 或许你我也无法邂逅\n[00:55.89]在我的声音响起的瞬间 心脏也随即开始倒数着生命的极限\n[01:07.22]无论多少次得偿所愿 愿望却始终不见尽头\n[01:16.05]挥洒汗水竭力奔走 世界的秒针 终有一日会抛下裹足不前的我\n[01:27.48]余生我又能与你共笑多少次？\n[01:33.82]这正是上帝赋予我的严峻考验 把握这一瞬\n[01:47.62]细数每一个降临的幸福 就会对渐渐改变的未来感到恐惧\n[01:57.38]用心的培育爱情的种子\n[02:04.20]天那边厚重的乌云 不久也会云开雾散\n[02:11.69]你的声音响起 贯穿我的全身 叩响心脏之门\n[02:23.03]就算胆怯 也要把心扉打开 因为我想要坚信\n[02:31.74]曾以为 空无一物的脚边 不知何时 长出深根扎于大地\n[02:43.24]就算风雨交加的夜晚来袭 我也不会有任何动摇\n[02:52.29]无论多少次\n[02:52.91]我都会追寻着你 追赶上你 就算蓦然之间 变得不再懂你\n[02:57.98]只要有那么一瞬间与你情投意合 我就无比欣喜\n[03:04.83]所收集的每一秒 能否拼凑成永恒\n[03:27.67]在我的声音响起的瞬间 心脏也随即开始倒数着生命的极限\n[03:38.78]无论多少次得偿所愿 愿望却始终不见尽头\n[03:47.70]挥洒汗水竭力奔走 世界的秒针 终有一日会抛下裹足不前的我\n[03:59.05]余生我又能与你共笑多少次？\n[04:05.35]这正是上帝赋予我的严峻考验 把握这一瞬\n[04:10.60]我不会再错过\n[04:12.86]紧握这个瞬间"},"code":200}';//$this->download($url); |
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if ($this->isNullOrEmptyString($response)) { |
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return NULL; |
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} |
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$json = json_decode($response, true); |
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$orgLrc = $json['lrc']['lyric']; |
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$transLrc = $json['tlyric']['lyric']; // Chinese translation lyric, but only some songs have |
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global $NEED_TRANSLATION; |
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$resultLrc = $orgLrc; |
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if ($NEED_TRANSLATION && !$this->isNullOrEmptyString($transLrc)) { |
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$resultLrc = ""; |
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$orgLines = $this->processLrcLine($orgLrc); |
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$transLines = $this->processLrcLine($transLrc); |
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//var_dump($orgLines); |
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foreach ($orgLines as $elem) { |
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$key = $elem['tag']; // time tag |
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$value = $elem['lrc']; // lyric line |
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$resultLrc .= $key . $value; |
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// Find matching translation |
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$trans = ""; |
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if (!$this->isNullOrEmptyString($key)) { |
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$lastMatchCursor = 0; |
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for ($i = $lastMatchCursor; $i < count($transLines); $i++) { |
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$tKey = $transLines[$i]['tag']; |
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$tValue = $transLines[$i]['lrc']; |
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echo $key . " =? " . $tKey . "\n"; |
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// Check for matching time tag |
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if ($key === $tKey) { |
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$lastMatchCursor = $i + 1; |
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$trans = $tValue; |
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break; |
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} |
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} |
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} |
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echo "\n"; |
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if (!$this->isNullOrEmptyString($trans)) { // $key is empty when it's not time tag, just metadata |
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$resultLrc .= " 【" . $trans . "】\n"; |
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} |
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$resultLrc .= "\n"; |
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} |
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//var_dump($resultLrc); |
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} |
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return $resultLrc; |
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} |
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private function processLrcLine($lrc) { |
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$result = array(); |
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foreach (explode("\n", $lrc) as $line) { |
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$key = substr($line, 0, 10); |
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$value = substr($line, 10, strlen($line) - 10); |
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if (!$this->isValidLrcTime($key)) { |
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$key = ""; |
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$value = $line; |
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} |
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array_push($result, array($key => $value)); |
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} |
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return $result; |
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} |
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private function isValidLrcTime($str) { |
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if ($this->isNullOrEmptyString($str) || strlen($str) != 10 || $str[0] !== "[" || $str[9] != "]") { |
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return FALSE; |
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} |
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for ($count = 1; $count < 9; $count++) { |
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$ch = $str[$count]; |
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if ($ch !== ":" && $ch !== "." && !is_numeric($ch)) { |
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return FALSE; |
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} |
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} |
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return TRUE; |
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} |
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// Function for basic field validation (present and neither empty nor only white space |
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private static function isNullOrEmptyString($question){ |
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return (!isset($question) || trim($question)===''); |
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} |
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private static function download($url) { |
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$curl = curl_init(); |
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curl_setopt_array($curl, array( |
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CURLOPT_URL => $url, |
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CURLOPT_RETURNTRANSFER => true, |
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)); |
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$output = curl_exec($curl); |
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curl_close($curl); |
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return $output; |
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} |
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} |
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////////////////////////// Debug //////////////////////////////////// |
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if ($DEBUG == true) { |
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class TestObj { |
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private $items; |
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function __construct() { |
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$this->items = array(); |
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} |
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public function addLyrics($lyric, $id) { |
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printf("</br>"); |
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printf("song id: %s\n", $id); |
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printf("</br>"); |
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printf("== lyric ==\n"); |
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printf("%s\n", $lyric); |
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printf("** END of lyric **\n\n"); |
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} |
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public function addTrackInfoToList($artist, $title, $id, $prefix) { |
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printf("</br>"); |
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printf("song id: %s\n", $id); |
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printf("artist [%s]\n", $artist); |
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printf("title [%s]\n", $title); |
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printf("prefix [%s]\n", $prefix); |
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printf("</br>"); |
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array_push($this->items, array( |
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'artist' => $artist, |
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'title' => $title, |
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'id' => $id |
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)); |
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} |
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function getItems() { |
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return $this->items; |
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} |
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function getFirstItem() { |
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if (count($this->items) > 0) { |
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return $this->items[0]; |
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} else { |
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return NULL; |
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} |
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} |
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} |
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/** |
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* Main |
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*/ |
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$title = "tell your world"; |
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$artist = "初音ミク"; |
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echo "Trying to find lyrics for ['$title'] by artist ['$artist'] ...</br>"; |
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$testObj = new TestObj(); |
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$downloader = (new ReflectionClass("LudysuNetEaseLrc"))->newInstance(); |
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// $count = $downloader->getLyricsList($artist, $title, $testObj); |
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// if ($count > 0) { |
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// $item = $testObj->getFirstItem(); |
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// if (array_key_exists('id', $item)) { |
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$downloader->getLyrics($item['id'], $testObj); |
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// } else { |
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// echo "\nno id to query lyric\n"; |
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// } |
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// } else { |
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// echo " ****************************\n"; |
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// echo " *** Failed to find lyric ***\n"; |
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// echo " ****************************\n"; |
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// } |
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} |
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