Add category selection to product edit

app/Http/Controllers/ProductController.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers;
 
+use App\Models\Category;
 use App\Models\Image;
 use App\Models\Product;
 use Illuminate\Http\Request;
@@ -23,7 +24,8 @@ class ProductController extends Controller
     public function create()
     {
         $prod = new Product();
-        return view("product/edit", [ 'product' => $prod,'new'=>true]);
+        $categories = Category::all();
+        return view("product/edit", [ 'product' => $prod, 'categories' => $categories, 'new'=>true]);
     }
 
     /**
@@ -42,6 +44,9 @@ class ProductController extends Controller
         ]);
 
         $product = new Product($validated);
+        if($validated['category']) {
+            $product->categories()->sync($validated['category']);
+        }
         $product->save();
 
         if (isset($validated["visualization"])) {
@@ -73,7 +78,8 @@ class ProductController extends Controller
      */
     public function edit(Product $product)
     {
-        return view("product.edit", ["product" => $product, 'new'=>false]);
+        $categories = Category::all();
+        return view("product.edit", ["product" => $product, 'categories' => $categories, 'new'=>false]);
     }
 
     /**
@@ -85,7 +91,17 @@ class ProductController extends Controller
      */
     public function update(Request $request, Product $product)
     {
-        $product->fill($request->all());
+        $validated = $request->validate([
+            'name'=>'string',
+            'description'=>'string',
+            'price'=>'numeric',
+            'category' => 'array|exists:App\Models\Category,uuid',
+            'visualization' => 'image|mimes:jpg,png,jpeg,gif,svg,webp|max:5000',
+        ]);
+        $product->fill($validated);
+        if($validated['category']) {
+            $product->categories()->sync($validated['category']);
+        }
         $product->save();
         if (isset($request["image"])) {
             $visualization = new Image();
@@ -94,7 +110,6 @@ class ProductController extends Controller
 
             $product->images()->save($visualization);
         }
-        //dd($product, $request, $visualization);
         return redirect()->route("product.show", [ 'product' => $product])->with("message", "Product created successfully");
     }
 

app/Models/Category.php

@@ -13,7 +13,7 @@ class Category extends Model
     protected $fillable = ['name'];
 
     public function products() {
-        return $this->belongsToMany(Category::class,'categories_products','category_uuid');
+        return $this->belongsToMany(Product::class,'categories_products','category_uuid');
     }
 
     public function image() {

app/Models/Product.php

@@ -23,6 +23,7 @@ class Product extends Model
         'name',
         'description',
         'images',
-        'price'
+        'price',
+        'categories'
     ];
 }

resources/views/product/edit.blade.php

@@ -12,6 +12,12 @@
     <textarea name="description">{{ $product->description }}</textarea>
     <input type="number" name="price" value="{{ $product->price }}">
     <input type="file" name="image">
+    
+    @foreach($categories as $category) 
+        <input type="checkbox" id="category_{{$loop->index}}" name="category[{{$loop->index}}]" value="{{$category->uuid}}" @if($category->products()->find($product)) checked @endif>
+        <label for="category_{{$loop->index}}">{{$category->name}}</label>
+    @endforeach
+
     <button type="submit">Zatwierdź</button>
 
     @if(!$new)

resources/views/product/view.blade.php

@@ -14,7 +14,6 @@
     <div class="product-container">
         <div class="product-container-left">
             <img class="product-image" src="@if(isset($product->images[0])) {{ $product->images[0]->URL() }} @else {{ asset("test.txt") }} @endif">
-            {{ dd($product->categories[0]->name) }}
             <div class="name-price-container">
                 <h2 class="product-name"> {{ $product->name }} </h2>
                 <h3>{{ ($product->price) }}<span class="price-currency">zł</span></h3>