using scope

app/Http/Controllers/HomeController.php

@@ -16,16 +16,18 @@ class HomeController extends Controller
      */
     public function index()
     {
-        $productCategories = ProductCategory::query()->where('parent_id', '=', null)->get();
-        $latestDrops = Product::query()
-            ->with('productAttributes')
+        $productCategories = ProductCategory::noParent()->get();
+        $latestDrops = Product::withAttributes()
             ->statusEnabled()
             ->latest()
             ->take(4)
             ->get();
-        $products = Product::query()->latest()->take(8)->get();
-        $latestBlogs = Post::query()
-            ->with('user')
+        $products = Product::withAttributes()
+            ->statusEnabled()
+            ->latest()
+            ->take(8)
+            ->get();
+        $latestBlogs = Post::withUser()
             ->statusPublished()
             ->latest()
             ->take(3)
@@ -35,13 +37,12 @@ public function index()
 
     public function getProductsByCategory(Request $request)
     {
-        $cats = ProductCategory::query()
-            ->where('id', '=', $request->cat)
-            ->orWhere('parent_id', '=', $request->cat)
+        $cat = $request->cat;
+        $subCats = ProductCategory::where('parent_id', $cat)
             ->get('id')
             ->toArray();
-        $productsByCategory = Product::query()
-            ->whereIn('product_category_id', $cats)
+        array_push($subCats, $cat);
+        $productsByCategory = Product::whereIn('product_category_id', $subCats)
             ->latest()
             ->take(8)
             ->get();

app/Models/Post.php

@@ -29,6 +29,11 @@ public function user()
 
     public function scopeStatusPublished($query)
     {
-        return $query->where('status', '=', Post::STATUS_PUBLISHED);
+        return $query->where('status', Post::STATUS_PUBLISHED);
+    }
+
+    public function scopeWithUser($query)
+    {
+        return $query->with('user');
     }
 }

app/Models/PostCategory.php

@@ -30,4 +30,9 @@ public function children()
     {
         return $this->belongsTo(PostCategory::class, 'parent_id');
     }
+
+    public function scopeNoParent($query)
+    {
+        return $query->where('parent_id', null);
+    }
 }

app/Models/Product.php

@@ -28,6 +28,11 @@ public function productAttributes()
 
     public function scopeStatusEnabled($query)
     {
-        return $query->where('status', '=', Product::STATUS_ENABLED);
+        return $query->where('status', Product::STATUS_ENABLED);
+    }
+
+    public function scopeWithAttributes($query)
+    {
+        return $query->with('productAttributes');
     }
 }

app/Models/ProductCategory.php

@@ -30,4 +30,9 @@ public function children()
     {
         return $this->belongsTo(ProductCategory::class, 'parent_id');
     }
+
+    public function scopeNoParent($query)
+    {
+        return $query->where('parent_id', null);
+    }
 }