optimizations

2026-03-28 19:15:39 +01:00
parent 0b25d9570a
commit cab4fbd83e
509 changed files with 1016804 additions and 1605 deletions
--- a/app/Services/CollectionLikeService.php
+++ b/app/Services/CollectionLikeService.php
@@ -0,0 +1,109 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+use App\Events\Collections\CollectionLiked;
+use App\Events\Collections\CollectionUnliked;
+use App\Models\Collection;
+use App\Models\User;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Validation\ValidationException;
+
+class CollectionLikeService
+{
+    public function like(User $actor, Collection $collection): bool
+    {
+        $this->guard($actor, $collection);
+
+        $inserted = false;
+
+        DB::transaction(function () use ($actor, $collection, &$inserted): void {
+            $rows = DB::table('collection_likes')->insertOrIgnore([
+                'collection_id' => $collection->id,
+                'user_id' => $actor->id,
+                'created_at' => now(),
+            ]);
+
+            if ($rows === 0) {
+                return;
+            }
+
+            $inserted = true;
+
+            DB::table('collections')
+                ->where('id', $collection->id)
+                ->update([
+                    'likes_count' => DB::raw('likes_count + 1'),
+                    'last_activity_at' => now(),
+                    'updated_at' => now(),
+                ]);
+        });
+
+        if ($inserted) {
+            event(new CollectionLiked($collection->fresh(), (int) $actor->id));
+        }
+
+        return $inserted;
+    }
+
+    public function unlike(User $actor, Collection $collection): bool
+    {
+        $deleted = false;
+
+        DB::transaction(function () use ($actor, $collection, &$deleted): void {
+            $rows = DB::table('collection_likes')
+                ->where('collection_id', $collection->id)
+                ->where('user_id', $actor->id)
+                ->delete();
+
+            if ($rows === 0) {
+                return;
+            }
+
+            $deleted = true;
+
+            DB::table('collections')
+                ->where('id', $collection->id)
+                ->where('likes_count', '>', 0)
+                ->update([
+                    'likes_count' => DB::raw('likes_count - 1'),
+                    'updated_at' => now(),
+                ]);
+        });
+
+        if ($deleted) {
+            event(new CollectionUnliked($collection->fresh(), (int) $actor->id));
+        }
+
+        return $deleted;
+    }
+
+    public function isLiked(?User $viewer, Collection $collection): bool
+    {
+        if (! $viewer) {
+            return false;
+        }
+
+        return DB::table('collection_likes')
+            ->where('collection_id', $collection->id)
+            ->where('user_id', $viewer->id)
+            ->exists();
+    }
+
+    private function guard(User $actor, Collection $collection): void
+    {
+        if (! $collection->isPubliclyEngageable()) {
+            throw ValidationException::withMessages([
+                'collection' => 'Only public collections can be liked.',
+            ]);
+        }
+
+        if ($collection->isOwnedBy($actor)) {
+            throw ValidationException::withMessages([
+                'collection' => 'You cannot like your own collection.',
+            ]);
+        }
+    }
+}