engagement system

app/Models/Product.php

@@ -197,4 +197,68 @@ class Product extends Model
             'approved_at' => null,
         ]);
     }
+
+    /**
+     * Get the upvotes for the product.
+     */
+    public function upvotes()
+    {
+        return $this->hasMany(Upvote::class);
+    }
+
+    /**
+     * Get the comments for the product.
+     */
+    public function comments()
+    {
+        return $this->hasMany(Comment::class)->latest();
+    }
+
+    /**
+     * Get the bookmarks for the product.
+     */
+    public function bookmarks()
+    {
+        return $this->hasMany(Bookmark::class);
+    }
+
+    /**
+     * Check if a user has upvoted the product.
+     */
+    public function isUpvotedBy(?User $user): bool
+    {
+        if (!$user) {
+            return false;
+        }
+
+        return $this->upvotes()->where('user_id', $user->id)->exists();
+    }
+
+    /**
+     * Check if a user has bookmarked the product.
+     */
+    public function isBookmarkedBy(?User $user): bool
+    {
+        if (!$user) {
+            return false;
+        }
+
+        return $this->bookmarks()->where('user_id', $user->id)->exists();
+    }
+
+    /**
+     * Get the upvotes count for the product.
+     */
+    public function getUpvotesCountAttribute(): int
+    {
+        return $this->upvotes()->count();
+    }
+
+    /**
+     * Get the comments count for the product.
+     */
+    public function getCommentsCountAttribute(): int
+    {
+        return $this->comments()->count();
+    }
 }