XavierOliveira/Plataforma-de-Tutoriais
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fix: videos/workshops query optmization

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Xavier Oliveira
2026-06-02 15:50:47 +01:00
parent bcaff422a0
commit c5ed77945e
8 changed files with 133 additions and 209 deletions
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168
plataforma-tutorias/app/Http/Controllers/VideosController.php
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@@ -40,15 +40,13 @@ class VideosController extends Controller
$search = trim((string) $request->query('search', ''));
$categoryId = $request->query('category');
$watched = $request->query('watched');
$status = $request->query('status');
$perPage = $request->query('per_page', 9);
$query = Video::select(['id', 'title', 'thumbnail', 'is_active'])
->with([
'categories:id,name',
'views' => function ($q) use ($user) {
$q->select('id', 'video_id', 'user_id')
->where('user_id', $user->id);
}
->with('categories:id,name')
->withCount([
'views as watched' => fn($q) => $q->where('user_id', $userId)
])
->when($search !== '', function ($q) use ($search) {
@@ -64,45 +62,48 @@ class VideosController extends Controller
});
})
->when($user->role_id !== 1, function ($q) {
$q->where('is_active', true);
->when($role !== 1, fn($q) => $q->where('is_active', true))
->when(
$role === 1 && $status === 'active',
fn($q) =>
$q->where('is_active', true)
)
->when(
$role === 1 && $status === 'inactive',
fn($q) =>
$q->where('is_active', false)
)
->when($watched !== null, function ($q) use ($watched, $userId) {
(int) $watched === 1
? $q->whereHas('views', fn($v) => $v->where('user_id', $userId))
: $q->whereDoesntHave('views', fn($v) => $v->where('user_id', $userId));
})
->when($watched !== null, function ($q) use ($watched, $user) {
if ((int) $watched === 1) {
$q->whereHas('views', function ($v) use ($user) {
$v->where('user_id', $user->id);
});
}
if ((int) $watched === 0) {
$q->whereDoesntHave('views', function ($v) use ($user) {
$v->where('user_id', $user->id);
});
}
// left join para trazer os vídeos vistos pelo utilizador
->leftJoin('video_views as vv', function ($join) use ($userId) {
$join->on('vv.video_id', '=', 'videos.id')
->where('vv.user_id', '=', $userId);
})
->orderByRaw('
CASE WHEN EXISTS (
SELECT 1 FROM video_views
WHERE video_views.video_id = videos.id
AND video_views.user_id = ?
) THEN 1 ELSE 0 END ASC,
videos.order ASC
', [$user->id])
->orderByRaw('CASE WHEN vv.id IS NOT NULL THEN 1 ELSE 0 END ASC')
->orderBy('videos.order', 'ASC')
->select(['videos.id', 'videos.title', 'videos.thumbnail', 'videos.is_active'])
->paginate($perPage);
$videosActive = Video::select('id')
->where('is_active', true)
->count();
$videosWatched = Video::select('id')
->where('is_active', true)
->whereHas('views', function ($q) use ($user) {
$q->where('user_id', $user->id);
})
->count();
// 1 única query para obter o número de vídeos ativos e vistos
$stats = Video::selectRaw('
COUNT(CASE WHEN is_active = 1 THEN 1 END) as active_count,
COUNT(CASE WHEN is_active = 1 AND EXISTS (
SELECT 1 FROM video_views
WHERE video_views.video_id = videos.id
AND video_views.user_id = ?
) THEN 1 END) as watched_count
', [$userId])
->first();
$query->getCollection()->transform(function ($video) {
return [
@@ -115,11 +116,17 @@ class VideosController extends Controller
];
});
$categories = Category::select('id', 'name')
->where('is_active', true)
->whereHas('videos')
->orderBy('name', 'asc')
->get();
// Guarda as categorias em cache durante 1 minuto para evitar consultas repetidas
$categories = cache()->remember(
'active_categories_with_videos',
60,
fn() =>
Category::select('id', 'name')
->where('is_active', true)
->whereHas('videos')
->orderBy('name')
->get()
);
return response()->json([
'message' => 'Vídeos obtidos com sucesso',
@@ -133,55 +140,11 @@ class VideosController extends Controller
'userId' => $userId,
'role' => $role,
'categories' => $categories,
'videosActive' => $videosActive,
'videosWatched' => $videosWatched,
'videosActive' => $stats->active_count,
'videosWatched' => $stats->watched_count ?? 0,
]);
}
public function nextVideos()
{
$user = auth()->user();
if (!$user) {
return response()->json([
'message' => 'Não autenticado',
], 401);
}
$videos = Video::select(['id', 'title', 'thumbnail', 'is_active', 'order'])
->with(['categories:id,name'])
// 👇 regra base: vídeos não vistos
->whereDoesntHave('views', function ($q) use ($user) {
$q->where('user_id', $user->id);
})
// 👇 users normais não veem inativos
->when($user->role_id !== 1, function ($q) {
$q->where('is_active', true);
})
->orderBy('order', 'asc')
->limit(3)
->get()
->map(function ($video) {
return [
'id' => $video->id,
'title' => $video->title,
'thumbnail' => $video->thumbnail,
'is_active' => $video->is_active,
'categories' => $video->categories,
'watched' => false, // aqui já sabes que não foram vistos
];
});
return response()->json([
'message' => 'Dashboard videos',
'data' => $videos,
]);
}
public function search(Request $request)
{
$user = auth()->user();
@@ -222,30 +185,6 @@ class VideosController extends Controller
]);
}
public function videosLength()
{
$user = auth()->user();
$userID = $user->id;
if ($user->role_id !== 1) {
$videos = Video::select('id')->with('views')->where('is_active', true)->count();
$videosWatched = Video::with('views')->where('is_active', true)->whereHas('views', function ($query) use ($userID) {
$query->where('user_id', $userID);
})->count();
} else {
$videos = Video::select('id')->with('views')->where('is_active', true)->count();
}
return response()->json([
'message' => 'Vídeos ativos obtidos com sucesso',
'data' => [
'videos' => $videos,
'videosWatched' => $videosWatched ?? 0,
],
'errors' => null,
], 200);
}
public function getVideo($id)
{
$user = auth()->user();
@@ -286,7 +225,6 @@ class VideosController extends Controller
$video = Video::with('categories')->find($id);
if ($video) {
$video->url = Storage::url($video->url);
$video->thumbnail = Storage::url($video->thumbnail);