search and filtering

app/Http/Controllers/ProductController.php

@@ -16,15 +16,27 @@ class ProductController extends Controller
      */
     public function index(Request $request)
     {
-        $query = Product::with(['user', 'category'])
-            ->approved()
-            ->latest();
+        $validated = $request->validate([
+            'search' => 'nullable|string|max:255',
+            'category' => 'nullable|integer|exists:categories,id',
+            'status' => 'nullable|string|in:pending,approved,rejected',
+            'date_range' => 'nullable|string|in:today,week,month,year',
+            'sort' => 'nullable|string|in:newest,oldest,popular',
+        ]);
 
-        if ($request->has('category')) {
-            $query->where('category_id', $request->category);
-        }
+        // Build the query with all filters and search
+        $query = Product::query()
+            ->with(['user', 'category'])
+            ->approved() // Only show approved products on the public index
+            ->search($request->search)
+            ->byCategory($request->category)
+            ->dateRange($request->date_range)
+            ->sortBy($request->sort);
 
-        $products = $query->paginate(12);
+        // Paginate results with query parameters preserved
+        $products = $query->paginate(12)->appends($request->query());
+
+        // Get all categories for the filter dropdown
         $categories = Category::all();
 
         return view('products.index', compact('products', 'categories'));

app/Models/Product.php

@@ -139,6 +139,76 @@ class Product extends Model
         return $query->where('status', $status);
     }
 
+    /**
+     * Scope a query to search products by title and description.
+     */
+    public function scopeSearch(Builder $query, ?string $search): Builder
+    {
+        if (empty($search)) {
+            return $query;
+        }
+
+        return $query->where(function ($subQuery) use ($search) {
+            $subQuery->where('title', 'like', '%' . $search . '%')
+                ->orWhere('description', 'like', '%' . $search . '%');
+        });
+    }
+
+    /**
+     * Scope a query to filter by category.
+     */
+    public function scopeByCategory(Builder $query, ?int $categoryId): Builder
+    {
+        if (empty($categoryId)) {
+            return $query;
+        }
+
+        return $query->where('category_id', $categoryId);
+    }
+
+    /**
+     * Scope a query to filter by date range.
+     */
+    public function scopeDateRange(Builder $query, ?string $range): Builder
+    {
+        if (empty($range)) {
+            return $query;
+        }
+
+        return match($range) {
+            'today' => $query->whereDate('created_at', today()),
+            'week' => $query->where('created_at', '>=', now()->subWeek()),
+            'month' => $query->where('created_at', '>=', now()->subMonth()),
+            'year' => $query->where('created_at', '>=', now()->subYear()),
+            default => $query,
+        };
+    }
+
+    /**
+     * Scope a query to sort products by popularity (upvotes count).
+     */
+    public function scopePopular(Builder $query): Builder
+    {
+        return $query->withCount('upvotes')->orderBy('upvotes_count', 'desc');
+    }
+
+    /**
+     * Scope a query to sort products.
+     */
+    public function scopeSortBy(Builder $query, ?string $sort): Builder
+    {
+        if (empty($sort)) {
+            return $query->latest();
+        }
+
+        return match($sort) {
+            'popular' => $query->withCount('upvotes')->orderBy('upvotes_count', 'desc'),
+            'oldest' => $query->oldest(),
+            'newest' => $query->latest(),
+            default => $query->latest(),
+        };
+    }
+
     /**
      * Get the product's thumbnail URL.
      */