Add cart

app/Http/Controllers/CartController.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Product;
+use App\Models\User;
+use Exception;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Log;
+
+class CartController extends Controller
+{
+    /**
+     * Display the specified resource.
+     *
+     * @param  \App\Models\Product  $product
+     * @return \Illuminate\Http\Response
+     */
+    public function show()
+    {
+        throw new Exception("UNIMPLEMENTED");
+        //return view("product/view", ["product" => $product]);
+    }
+
+    public function addToCart(Product $product) {
+        $user = Auth::user();
+        $user->cart()->syncWithoutDetaching([$product->uuid]);
+
+        return back();
+    }
+
+    public function removeFromCart(Product $product) {
+        $user = Auth::user();
+        $user->cart()->detach($product);
+        return back();
+    }
+
+    /**
+     * Update the specified resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \App\Models\Product  $product
+     * @return \Illuminate\Http\Response
+     */
+    public function update(Request $request, Product $product)
+    {
+        $product->fill($request->all());
+        $product->save();
+        return redirect()->route("product.show", [ 'product' => $product])->with("message", "Product created successfully");
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     *
+     * @param  \App\Models\Product  $product
+     * @return \Illuminate\Http\Response
+     */
+    public function destroy(Product $product)
+    {
+        $product->delete();
+        return redirect()->route("product.index");
+    }
+}

app/Models/User.php

@@ -44,4 +44,8 @@ class User extends Authenticatable
     protected $casts = [
         'email_verified_at' => 'datetime',
     ];
+
+    public function cart() {
+          return $this->belongsToMany(Product::class, "cart_items", "userID", "productID");
+    }
 }

database/migrations/2021_11_19_060943_create_cart_items_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateCartItemsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('cart_items', function (Blueprint $table) {
+            $table->id();
+            $table->foreignUuid("userID")->references("uuid")->on("users");
+            $table->foreignUuid("productID")->references("uuid")->on("products");
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('cart_items');
+    }
+}

resources/views/product/view.blade.php

@@ -17,6 +17,15 @@
                 @method('DELETE')
             @csrf
         </form>        
+            <form method="POST" action="{{ route("addToCart", $product) }}"> 
+                <button type="submit">Add to cart</button>
+            @csrf
+        </form>        
+        </form>        
+            <form method="POST" action="{{ route("removeFromCart", $product) }}"> 
+                <button type="submit">Remove from cart</button>
+            @csrf
+        </form>        
     </div>
 </body>
 </html>

resources/views/user.blade.php

@@ -9,6 +9,14 @@
     <p>
        <b>Welcome, you are logged in as {{ $user }}</b>
     </p>
+    <div>
+        <h2>Your cart:</h2>
+        <ul>
+            @foreach($user->cart as $product)
+                <li> {{ $product }} </li>
+            @endforeach()
+        </ul>
+    </div>
     <p>
         <a href="/logout"> Logout </a>
     </p>

routes/web.php

@@ -3,6 +3,7 @@
 use App\Http\Controllers\ImageController;
 use App\Http\Controllers\LoginController;
 use App\Http\Controllers\MainPageController;
+use App\Http\Controllers\CartController;
 use App\Http\Controllers\OrderController;
 use App\Http\Controllers\ProductController;
 use Illuminate\Support\Facades\Auth;
@@ -32,6 +33,9 @@ Route::post('/login', [LoginController::class, "authenticate"])->name("login");
 Route::post('/register', [LoginController::class, "register"])->name("register");
 Route::any("/logout", [LoginController::class, "logout"])->name("logout");
 
+Route::post("/product/{product}/addToCart", [CartController::class, "addToCart"])->name("addToCart");
+Route::post("/product/{product}/removeFromCart", [CartController::class, "removeFromCart"])->name("removeFromCart");
+
 Route::resource("product", ProductController::class);
 Route::resource("order", OrderController::class);
 Route::resource("image", ImageController::class)->only(["store", "delete", "create"]);