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<?php |
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namespace App\Services; |
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use App\Events\SongLikeToggled; |
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use App\Models\Interaction; |
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use App\Models\User; |
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class InteractionService |
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{ |
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private $interaction; |
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public function __construct(Interaction $interaction) |
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{ |
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$this->interaction = $interaction; |
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} |
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/** |
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* Increase the number of times a song is played by a user. |
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* |
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* @return Interaction The affected Interaction object |
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*/ |
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public function increasePlayCount(string $songId, User $user): Interaction |
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{ |
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return tap($this->interaction->firstOrCreate([ |
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'song_id' => $songId, |
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'user_id' => $user->id, |
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]), static function (Interaction $interaction): void { |
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if (!$interaction->exists) { |
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$interaction->liked = false; |
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} |
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$interaction->play_count++; |
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$interaction->save(); |
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}); |
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} |
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/** |
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* Like or unlike a song on behalf of a user. |
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* |
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* @return Interaction The affected Interaction object. |
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*/ |
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public function toggleLike(string $songId, User $user): Interaction |
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{ |
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return tap($this->interaction->firstOrCreate([ |
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'song_id' => $songId, |
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'user_id' => $user->id, |
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]), static function (Interaction $interaction): void { |
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$interaction->liked = !$interaction->liked; |
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$interaction->save(); |
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event(new SongLikeToggled($interaction)); |
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}); |
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} |
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/** |
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* Like several songs at once as a user. |
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* |
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* @param string[] $songIds |
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* |
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* @return Interaction[] The array of Interaction objects. |
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*/ |
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public function batchLike(array $songIds, User $user): array |
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{ |
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return collect($songIds)->map(function ($songId) use ($user): Interaction { |
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return tap($this->interaction->firstOrCreate([ |
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'song_id' => $songId, |
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'user_id' => $user->id, |
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]), static function (Interaction $interaction): void { |
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if (!$interaction->exists) { |
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$interaction->play_count = 0; |
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} |
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$interaction->liked = true; |
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$interaction->save(); |
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event(new SongLikeToggled($interaction)); |
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}); |
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})->all(); |
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} |
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/** |
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* Unlike several songs at once. |
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* |
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* @param string[] $songIds |
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*/ |
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public function batchUnlike(array $songIds, User $user): void |
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{ |
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$this->interaction |
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->whereIn('song_id', $songIds) |
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->where('user_id', $user->id) |
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->get() |
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->each( |
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static function (Interaction $interaction): void { |
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$interaction->liked = false; |
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$interaction->save(); |
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event(new SongLikeToggled($interaction)); |
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} |
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); |
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} |
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} |
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phanan /
koel
