productos relacionados a subcategorias

src/controllers/SubCategoryController.php

@@ -7,6 +7,8 @@ use App\Http\Controllers\Controller;
 
 use Onestartup\Shop\Model\ProductCategoryShop as Category;
 use Onestartup\Shop\Model\ProductSubCategoryShop as SubCategory;
+use Onestartup\Shop\Model\ProductShop as Product;
+
 
 use Onestartup\Shop\Requests\RequestSubCategory;
 
@@ -18,8 +20,9 @@ class SubCategoryController extends Controller{
             return $subcategories = $category->subcategories()->get();
         }
 		$subcategories = $category->subcategories()->paginate(30);
-
+        $products = Product::pluck('name', 'id');
 		return view("shop::subcategory.index")
+            ->with("products", $products)
 			->with("subcategories", $subcategories)
 			->with("category", $category);
 	}
@@ -27,8 +30,10 @@ class SubCategoryController extends Controller{
 	public function edit($category_id, $id){
 		$category = Category::find($category_id);
 		$subcategory = SubCategory::where("category_id", $category_id)->find($id);
+        $products = Product::pluck('name', 'id');
 
 		return view("shop::subcategory.edit")
+            ->with('products', $products)
 			->with("subcategory", $subcategory)
 			->with("category", $category);
 	}
@@ -37,6 +42,8 @@ class SubCategoryController extends Controller{
 		$subcategory = new SubCategory($request->all());
 		$subcategory->category_id = $category_id;
 		$subcategory->save();
+
+        $subcategory->related_products()->sync($request->related_products);
         if (isset($request->portada)) {
             
             $file = $request->file('portada');
@@ -59,6 +66,7 @@ class SubCategoryController extends Controller{
 		$subcategory = SubCategory::where("category_id", $category_id)->find($id);
         $subcategory->fill($request->all());
 		$subcategory->save();
+        $subcategory->related_products()->sync($request->related_products);
         
         if (isset($request->portada) && $request->portada != null ) {
             

src/migrations/2018_09_20_004720_create_related_products_table.php

+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateRelatedProductsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('related_products', function (Blueprint $table) {
+            $table->increments('id');
+            
+            $table->integer('product_id')->unsigned();
+            $table->foreign('product_id')
+                ->references('id')
+                ->on('products_shop')
+                ->onDelete('cascade');
+
+            $table->integer('subcategory_id')->unsigned();
+            $table->foreign('subcategory_id')
+                ->references('id')
+                ->on('product_subcategories_shop')
+                ->onDelete('cascade');    
+
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('related_products');
+    }
+}

src/models/ProductShop.php

@@ -66,4 +66,8 @@ class ProductShop extends Model
     public function tags(){
         return $this->belongsToMany('Onestartup\Shop\Model\ProductTag', 'product_product_tags', 'product_id', 'tag_id');
     }
+
+    public function subcategories_related(){
+        return $this->belongsToMany('Onestartup\Shop\Model\ProductSubCategoryShop', 'related_products', 'product_id', 'subcategory_id');
+    }
 }

src/models/ProductSubCategoryShop.php

@@ -24,4 +24,8 @@ class ProductSubCategoryShop extends Model
     public function products(){
         return $this->hasMany('Onestartup\Shop\Model\ProductShop', 'subcategory_id');
     }
+
+    public function related_products(){
+        return $this->belongsToMany('Onestartup\Shop\Model\ProductShop', 'related_products', 'subcategory_id', 'product_id');
+    }  
 }

src/models/RelatedProducts.php

+<?php
+
+namespace Onestartup\Shop\Model;
+
+use Illuminate\Database\Eloquent\Model;
+
+class RelatedProducts extends Model
+{
+    protected $table = 'related_products';
+    protected $fillable = ["product_id", "subcategory_id"];
+
+    public function products(){
+        return $this->belongsToMany('Onestartup\Shop\Model\ProductShop', 'product_id');
+    }
+
+    public function subcategories(){
+        return $this->hasMany('Onestartup\Shop\Model\ProductSubCategoryShop', 'subcategory_id');
+    }     
+}

src/views/subcategory/edit.blade.php

@@ -71,3 +71,9 @@
   </div>
 </div>
 @endsection
+
+@section('script_extras')
+  <script>
+    $('#related_products').select2();
+  </script>
+@endsection

src/views/subcategory/fields.blade.php

@@ -20,6 +20,11 @@
 </div>
 
 <div class="form-group">
+	{!! Form::label('related_products', 'Productos relacionados') !!}
+	{!! Form::select('related_products[]', $products, null, ["class"=>"form-control", "required"=>"required", "multiple" => "multiple", "id" => "related_products", "style" => "width: 100%;"]) !!}
+</div>
+
+<div class="form-group">
 	{!! Form::label('portada', 'Imagén de portada') !!}
 	@if (isset($subcategory))
 		<span>

src/views/subcategory/index.blade.php

@@ -100,4 +100,10 @@
     </div>
   </div>
 </div> 
+@endsection
+
+@section('script_extras')
+  <script>
+    $('#related_products').select2();
+  </script>
 @endsection
\ No newline at end of file