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<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
use App\Http\Controllers\SongController;
class Song extends Model
{
public $fillable = ['number', 'title', 'author', 'key', 'text'];
public function playlists()
{
return $this->belongsToMany('App\Playlist');
}
public function textTranspose($key)
{
$sc = new SongController();
$transp = $key;
if ($key && $this->plain_key){
$try = $sc->keydiff($this->plain_key, $key);
if ($try !== null){
$transp = $try;
}
}
return $sc->transposeBlock($this->text, $transp);
}
public function getNameAttribute()
{
return $this->title
. ( $this->author ? " ($this->author)" : "" )
. ($this->plain_key ? " ($this->plain_key)" : "")
. ($this->verse ? " ($this->verse)" : "");
}
public function getPlainKeyAttribute()
{
// TODO: Validate that this is plain.
return trim($this->key, "m");
}
public function getTextAttribute($text)
{
return $text ?: file_get_contents("public/text/{$this->id}.txt");
}
public function setTextAttribute($text)
{
// Watch out, this saves immediately!
if ($text && file_put_contents("public/text/{$this->id}.txt", $text)) {
$this->attributes['text'] = null;
}
}
public function getChordsAttribute($txt = null)
{
$txt = $txt ?? $this->text;
$txt = str_replace(['(',')',"\n", "\r"]," ",$txt);
$words = explode(' ', $txt);
$wordsT = array_map(['self','chordTransform'], $words);
$wordsTKey = array_flip($wordsT);
$allChords = json_decode(file_get_contents("public/js/chordsdata/chords.json"), TRUE);
$chords = array_intersect_key($allChords, $wordsTKey);
// TODO: Replace keys from $chords with values from $words.
return $chords;
}
public function getAudioAttribute()
{
if (file_exists("public/music/{$this->id}.mp3")) {
return "/public/music/{$this->id}.mp3";
}
}
public static function chordTransform($chord)
{
$repl = [
'sus' => 's',
's4' => 's',
's' => 'sus',
'7sus' => 'sus7',
'mj7' => 'maj7',
'/A' => '/a',
'/B' => '/b',
'/C' => '/c',
'/D' => '/d',
'/E' => '/e',
'/F' => '/f',
'/G' => '/g',
'♭' => 'b',
'Db' => 'C#',
'Eb' => 'D#',
'Gb' => 'F#',
'Ab' => 'G#',
'Bb' => 'A#',
];
return str_replace(array_keys($repl), array_values($repl), $chord);
}
}
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