Add "Recently Played" playlist (#839)

* Add "Recently Played" playlist

* Apply fixes from StyleCI (#838)

app/Http/Controllers/API/DataController.php

@@ -17,6 +17,8 @@
 
 class DataController extends Controller
 {
+    private const RECENTLY_PLAYED_EXCERPT_COUNT = 7;
+
     private $lastfmService;
     private $youTubeService;
     private $iTunesService;
@@ -60,6 +62,10 @@ public function index(Request $request)
             'settings' => $request->user()->is_admin ? $this->settingRepository->getAllAsKeyValueArray() : [],
             'playlists' => $this->playlistRepository->getAllByCurrentUser(),
             'interactions' => $this->interactionRepository->getAllByCurrentUser(),
+            'recentlyPlayed' => $this->interactionRepository->getRecentlyPlayed(
+                $request->user(),
+                self::RECENTLY_PLAYED_EXCERPT_COUNT
+            ),
             'users' => $request->user()->is_admin ? $this->userRepository->getAll() : [],
             'currentUser' => $request->user(),
             'useLastfm' => $this->lastfmService->used(),

app/Http/Controllers/API/Interaction/RecentlyPlayedController.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Http\Controllers\API\Interaction;
+
+use App\Repositories\InteractionRepository;
+use App\Services\InteractionService;
+use Illuminate\Http\Request;
+
+class RecentlyPlayedController extends Controller
+{
+    private $interactionRepository;
+
+    public function __construct(InteractionService $interactionService, InteractionRepository $interactionRepository)
+    {
+        parent::__construct($interactionService);
+        $this->interactionRepository = $interactionRepository;
+    }
+
+    public function index(Request $request, ?int $count = null)
+    {
+        return response()->json($this->interactionRepository->getRecentlyPlayed($request->user(), $count));
+    }
+}

app/Repositories/InteractionRepository.php

@@ -5,6 +5,7 @@
 use App\Models\Interaction;
 use App\Models\User;
 use App\Repositories\Traits\ByCurrentUser;
+use Illuminate\Database\Query\Builder;
 use Illuminate\Support\Collection;
 
 class InteractionRepository extends AbstractRepository
@@ -29,4 +30,24 @@ public function getUserFavorites(User $user): Collection
             ->get()
             ->pluck('song');
     }
+
+    /**
+     * @return Interaction[]
+     */
+    public function getRecentlyPlayed(User $user, ?int $count = null): array
+    {
+        /** @var Builder $query */
+        $query = $this->model
+            ->where('user_id', $user->id)
+            ->orderBy('updated_at', 'DESC');
+
+        if ($count) {
+            $query = $query->take($count);
+        }
+
+        return $query
+            ->get()
+            ->pluck('song_id')
+            ->all();
+    }
 }

app/Services/InteractionService.php

@@ -4,6 +4,7 @@
 
 use App\Events\SongLikeToggled;
 use App\Models\Interaction;
+use App\Models\Song;
 use App\Models\User;
 
 class InteractionService

routes/api.php

@@ -40,6 +40,9 @@
         Route::post('interaction/like', 'Interaction\LikeController@store');
         Route::post('interaction/batch/like', 'Interaction\BatchLikeController@store');
         Route::post('interaction/batch/unlike', 'Interaction\BatchLikeController@destroy');
+        Route::get('interaction/recently-played/{count?}', 'Interaction\RecentlyPlayedController@index')->where([
+            'count' => '\d+',
+        ]);
 
         // Playlist routes
         Route::resource('playlist', 'PlaylistController');