feature: update quantity and remove product from cart

add endpoint for update quantity of products (min:1, max:10)
add endpoint for removing product from cart

.gitignore

@@ -38,6 +38,8 @@ yarn-error.log
 testem.log
 /typings
 __screenshots__/
+*.cache
+.php-cs-fixer.dist.php
 
 # System files
 .DS_Store

.oxfmtrc.json

@@ -0,0 +1,3 @@
+{
+  "ignorePatterns": ["backend/**", "*.min.js"]
+}

.rgignore

@@ -0,0 +1 @@
+backend/

angular.json

@@ -2,7 +2,8 @@
   "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
   "version": 1,
   "cli": {
-    "packageManager": "npm"
+    "packageManager": "npm",
+    "analytics": false
   },
   "newProjectRoot": "projects",
   "projects": {

backend/.env.example

@@ -31,7 +31,7 @@ SESSION_DRIVER=database
 SESSION_LIFETIME=120
 SESSION_ENCRYPT=false
 SESSION_PATH=/
-SESSION_DOMAIN=null
+SESSION_DOMAIN=localhost
 
 BROADCAST_CONNECTION=log
 FILESYSTEM_DISK=local
@@ -64,3 +64,4 @@ AWS_USE_PATH_STYLE_ENDPOINT=false
 
 VITE_APP_NAME="${APP_NAME}"
 FRONTEND_URL=http://localhost:4200
+SANCTUM_STATEFUL_DOMAINS=localhost:4200

backend/app/Actions/AddProductToCartAction.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Actions;
+
+use App\Data\AddToCartDTO;
+use App\Data\CartDTO;
+use App\Enums\CartStatus;
+use App\Models\Product;
+use App\Models\User;
+
+final readonly class AddProductToCartAction
+{
+    /**
+     * Execute the action.
+     */
+    public function execute(AddToCartDTO $cartData, User $user)
+    {
+        $cart = $user->carts()->active()->firstOrCreate([
+            'status' => CartStatus::Active,
+        ]);
+
+        $price = Product::query()->whereId($cartData->productId)->value('actual_price');
+
+        $productInCart = $cart->products()->find($cartData->productId);
+
+        if ($productInCart) {
+            $newQuantity = $productInCart->pivot->quantity + $cartData->quantity;
+
+            $cart->products()->updateExistingPivot($cartData->productId, [
+                'quantity' => $newQuantity,
+                'price' => $price,
+            ]);
+
+        } else {
+            $cart->products()->attach($cartData->productId, [
+                'quantity' => $cartData->quantity,
+                'price' => $price,
+            ]);
+        }
+
+        return CartDTO::fromModel($cart->load(['products' => function ($query) {
+            $query->withPivot('quantity', 'price');
+        }]));
+
+    }
+}

backend/app/Actions/GetActiveUserCartAction.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Actions;
+
+use App\Data\CartDTO;
+use App\Models\User;
+
+final readonly class GetActiveUserCartAction
+{
+    /**
+     * Execute the action.
+     */
+    public function execute(User $user)
+    {
+        return CartDTO::fromModel($user->carts()->active()->withProducts()->first());
+    }
+}

backend/app/Actions/RemoveProductFromCartAction.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Actions;
+
+use App\Models\User;
+
+final readonly class RemoveProductFromCartAction
+{
+    public function __construct(private GetActiveUserCartAction $activeCartAction) {}
+
+    /**
+     * Execute the action.
+     */
+    public function execute(int $productId, User $user)
+    {
+        $cart = $user->carts()->active()->sole();
+        $cart->products()->detach($productId);
+
+        return $this->activeCartAction->execute($user);
+    }
+}

backend/app/Actions/UpdateProductInCartAction.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Actions;
+
+use App\Data\AddToCartDTO;
+use App\Data\CartDTO;
+use App\Models\User;
+use InvalidArgumentException;
+
+final readonly class UpdateProductInCartAction
+{
+    /**
+     * Execute the action.
+     *
+     * @throws InvalidArgumentException
+     */
+    public function execute(AddToCartDTO $cartData, User $user)
+    {
+        $cart = $user->carts()->active()->sole();
+
+        $productInCart = $cart->products()->find($cartData->productId);
+
+        throw_if($productInCart === null, new InvalidArgumentException('Product not found'));
+
+        $cart->products()->updateExistingPivot($cartData->productId, [
+            'quantity' => $cartData->quantity,
+        ]);
+
+        return CartDTO::fromModel($cart->load(['products' => function ($query) {
+            $query->withPivot('quantity', 'price');
+        }]));
+
+    }
+}

backend/app/Data/AddToCartDTO.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Data;
+
+use App\Contracts\InputDataTransferObject;
+use Illuminate\Foundation\Http\FormRequest;
+
+final readonly class AddToCartDTO implements InputDataTransferObject
+{
+    public function __construct(
+        public int $productId,
+        public int $quantity
+    ) {}
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function toArray(): array
+    {
+        return [
+            'productId' => $this->productId,
+            'quantity' => $this->quantity,
+        ];
+    }
+
+    public static function fromRequest(FormRequest $request): InputDataTransferObject
+    {
+        return new self(
+            productId: $request->productId,
+            quantity: $request->quantity
+        );
+    }
+}

backend/app/Data/CartDTO.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Data;
+
+use App\Contracts\OutputDataTransferObject;
+use App\Models\Cart;
+
+final readonly class CartDTO implements OutputDataTransferObject
+{
+    /**
+     * @param  CartItemDTO[]  $items
+     */
+    public function __construct(
+        public int $id,
+        public ?int $itemsCount = null,
+        public ?int $totalPrice = null,
+        public array $items = []
+    ) {}
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->id,
+            'itemsCount' => $this->itemsCount,
+            'totalPrice' => $this->totalPrice,
+            'items' => $this->items,
+        ];
+    }
+
+    public static function fromModel(Cart $cart)
+    {
+        return new self(
+            id: $cart->id,
+            itemsCount: $cart->products->count(),
+            totalPrice: $cart->products->sum(fn ($product) => $product->pivot->price * $product->pivot->quantity),
+            items: $cart->products->map(fn ($product) => new CartItemDTO(
+                id: $product->id,
+                title: $product->title,
+                quantity: $product->pivot->quantity,
+                price: $product->actual_price,
+                subtotal: $product->actual_price * $product->pivot->quantity,
+                image: $product->images->first()->path,
+            ))->toArray()
+        );
+    }
+}

backend/app/Data/CartItemDTO.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Data;
+
+use App\Contracts\OutputDataTransferObject;
+
+final readonly class CartItemDTO implements OutputDataTransferObject
+{
+    public function __construct(
+        public int $id,
+        public string $title,
+        public int $quantity,
+        public float $price,
+        public float $subtotal,
+        public string $image
+    ) {}
+
+    /**
+     * @return array<string, mixed>
+     */
+    public function toArray(): array
+    {
+        return [
+            'id' => $this->id,
+            'title' => $this->title,
+            'quantity' => $this->quantity,
+            'price' => $this->price,
+            'subtotal' => $this->subtotal,
+            'image' => $this->image,
+        ];
+    }
+}

backend/app/Data/ProductDTO.php

@@ -22,6 +22,7 @@ public function __construct(
         public array $productImages,
         public ?string $updatedAt = null,
         public ?string $createdAt = null,
+        public ?bool $isFavorite = null
     ) {}
 
     /**
@@ -41,6 +42,7 @@ public function toArray(): array
                 $this->productImages),
             'updatedAt' => $this->updatedAt,
             'createdAt' => $this->createdAt,
+            'isFavorite' => $this->isFavorite,
         ];
     }
 
@@ -57,6 +59,8 @@ public static function fromModel(Product $product): self
             productImages: $product->images->map(fn (ProductImage $productImage) => ProductImageDTO::fromModel($productImage))->all(),
             updatedAt: $product->updated_at,
             createdAt: $product->created_at,
+            // this column is added by where exists query
+            isFavorite: $product->favorited_by_exists,
         );
     }
 }

backend/app/Enums/CartStatus.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Enums;
+
+enum CartStatus: string
+{
+    case Active = 'active'; // freshly created
+    case Converted = 'converted'; // user ordered
+    case Abandoned = 'abandoned'; // older than 24hrs
+    case Expired = 'expired'; // left for a long period
+}

backend/app/Http/Controllers/CartController.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Actions\AddProductToCartAction;
+use App\Actions\GetActiveUserCartAction;
+use App\Actions\RemoveProductFromCartAction;
+use App\Actions\UpdateProductInCartAction;
+use App\Data\AddToCartDTO;
+use App\Http\Requests\AddProductToCartRequest;
+use App\Http\Requests\RemoveProductFromCartRequest;
+use App\Http\Requests\UpdateProductInCartRequest;
+use App\Http\Resources\CartResource;
+use Illuminate\Support\Facades\Auth;
+
+class CartController extends Controller
+{
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(AddProductToCartRequest $request, AddProductToCartAction $addProductAction)
+    {
+        $addToCartData = AddToCartDTO::fromRequest($request);
+
+        $cart = $addProductAction->execute($addToCartData, Auth::user());
+
+        return new CartResource($cart);
+
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(GetActiveUserCartAction $action)
+    {
+        return new CartResource($action->execute(Auth::user()));
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(UpdateProductInCartRequest $request, UpdateProductInCartAction $action)
+    {
+        $updateCartData = AddToCartDTO::fromRequest($request);
+        $cart = $action->execute($updateCartData, $request->user());
+
+        return new CartResource($cart);
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(RemoveProductFromCartRequest $request, RemoveProductFromCartAction $action)
+    {
+        $user = $request->user();
+        try {
+            $cart = $action->execute($request->productId, $user);
+
+            return new CartResource($cart);
+        } catch (ModelNotFoundException $e) {
+
+            Log::error('No active cart found when removing a product from cart.', [
+                'user' => $user->id,
+                'error' => $e->getMessage(),
+            ]);
+
+            return response()->json([
+                'message' => 'No active cart found.',
+            ], 404);
+
+        } catch (MultipleRecordsFoundException $e) {
+            Log::error('Multiple active carts found for the user', [
+                'user' => $user->id,
+                'error' => $e->getMessage(),
+            ]);
+
+            return response()->json([
+                'message' => 'Multiple Active carts found.',
+            ], 409);
+        }
+
+    }
+}

backend/app/Http/Controllers/FavouriteProductController.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Resources\FavouriteProductResource;
+use App\Models\FavouriteProduct;
+use App\Models\Product;
+use App\Models\User;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Log;
+
+class FavouriteProductController extends Controller
+{
+    public function index()
+    {
+        return FavouriteProductResource::collection(FavouriteProduct::all());
+    }
+
+    public function toggle(Request $request, Product $product)
+    {
+        /**
+         * @var User $user
+         */
+        $user = $request->user();
+
+        $changes = $user->favoriteProducts()->toggle($product);
+        Log::info('hi again');
+        // If changes has any item, that means a product has been attached.
+        $isFavorite = count($changes['attached']) > 0;
+
+        return response()->json([
+            'message' => $isFavorite ? 'Product added to favorites' : 'Product removed from favorites',
+            'isFavorite' => $isFavorite,
+        ]);
+    }
+}

backend/app/Http/Controllers/ProductController.php

@@ -6,14 +6,16 @@
 use App\Http\Requests\CreateProductRequest;
 use App\Http\Resources\ProductResource;
 use App\Models\Product;
+use App\Queries\GetProductsQuery;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
 
 class ProductController extends Controller
 {
-    public function index()
+    public function index(GetProductsQuery $getProductsQuery)
     {
-        $paginator = Product::query()->with(['category:id,name,slug', 'images:id,path,product_id'])->paginate();
-        $paginatedDtos = $paginator->through(fn ($product) => ProductDTO::fromModel($product));
+        $products = $getProductsQuery->get(Auth::user());
+        $paginatedDtos = $products->through(fn ($product) => ProductDTO::fromModel($product));
 
         return ProductResource::collection($paginatedDtos);
     }
@@ -25,7 +27,10 @@ public function store(CreateProductRequest $request)
 
     public function show(string $slug)
     {
-        $product = Product::where('slug', $slug)->with(['category:id,name,slug', 'images:id,path,product_id'])->firstOrFail();
+        $product = Product::where('slug', $slug)
+            ->with(['category:id,name,slug', 'images:id,path,product_id'])
+            ->withExists('favoritedBy')
+            ->firstOrFail();
 
         return new ProductResource(ProductDTO::fromModel($product));
     }

backend/app/Http/Requests/AddProductToCartRequest.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class AddProductToCartRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'productId' => 'required|exists:products,id',
+            'quantity' => 'required|numeric|min:1',
+        ];
+    }
+}

backend/app/Http/Requests/RemoveProductFromCartRequest.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class RemoveProductFromCartRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'productId' => ['required', 'exists:products,id'],
+        ];
+    }
+}

backend/app/Http/Requests/UpdateProductInCartRequest.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateProductInCartRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'productId' => ['required', 'exists:products,id'],
+            'quantity' => ['required', 'min:0', 'max:10'],
+        ];
+    }
+}

backend/app/Http/Resources/CartItemCollection.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\ResourceCollection;
+
+class CartItemCollection extends ResourceCollection
+{
+    /**
+     * Transform the resource collection into an array.
+     *
+     * @return array<int|string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return parent::toArray($request);
+    }
+}

backend/app/Http/Resources/CartItemResource.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Resources;
+
+use App\Data\CartItemDTO;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+use Illuminate\Support\Facades\Storage;
+
+/**
+ * @property CartItemDTO $resource
+ */
+class CartItemResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->resource->id,
+            'title' => $this->resource->title,
+            'quantity' => $this->resource->quantity,
+            'price' => $this->resource->price,
+            'subtotal' => $this->resource->subtotal,
+            'image' => Storage::disk('public')->url($this->resource->image),
+        ];
+    }
+}

backend/app/Http/Resources/CartResource.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Http\Resources;
+
+use App\Data\CartDTO;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/**
+ * @property CartDTO $resource
+ */
+class CartResource extends JsonResource
+{
+    public static $wrap = null;
+
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->resource->id,
+            'itemsCount' => $this->resource->itemsCount,
+            'totalPrice' => $this->resource->totalPrice,
+            'items' => CartItemResource::collection($this->resource->items),
+        ];
+    }
+}

backend/app/Http/Resources/FavouriteProductResource.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Http\Resources;
+
+use App\Models\FavouriteProduct;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin FavouriteProduct */
+class FavouriteProductResource extends JsonResource
+{
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'created_at' => $this->created_at,
+            'updated_at' => $this->updated_at,
+
+            'user_id' => $this->user_id,
+            'product_id' => $this->product_id,
+        ];
+    }
+}

backend/app/Http/Resources/ProductResource.php

@@ -30,6 +30,7 @@ public function toArray(Request $request): array
                 return Storage::disk('public')->url($productImage->path);
             }, $this->resource->productImages),
             'updatedAt' => $this->resource->updatedAt,
+            'isFavorite' => $this->resource->isFavorite,
         ];
     }
 }

backend/app/Models/Cart.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\CartStatus;
+use Illuminate\Database\Eloquent\Attributes\Scope;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+
+class Cart extends Model
+{
+    protected $fillable = ['user_id', 'status'];
+
+    protected function casts()
+    {
+        return [
+            'status' => CartStatus::class,
+        ];
+    }
+
+    public function products()
+    {
+        return $this->belongsToMany(Product::class)
+            ->withPivot('price', 'quantity')
+            ->withTimestamps();
+    }
+
+    public function user()
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    #[Scope]
+    protected function active(Builder $query)
+    {
+        return $query->where('status', CartStatus::Active);
+    }
+
+    #[Scope]
+    protected function withProducts(Builder $query)
+    {
+        return $query->with(['products' => function ($product) {
+            $product->withPivot('quantity', 'price');
+        }]);
+    }
+}

backend/app/Models/Product.php

@@ -2,8 +2,11 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Attributes\Scope;
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Support\Str;
 
@@ -28,6 +31,22 @@ public function images(): HasMany
         return $this->hasMany(ProductImage::class, 'product_id', 'id');
     }
 
+    public function favoritedBy(): BelongsToMany
+    {
+        return $this->belongsToMany(User::class, 'favorite_products');
+    }
+
+    public function carts()
+    {
+        return $this->belongsToMany(Cart::class);
+    }
+
+    #[Scope]
+    protected function active(Builder $query): Builder
+    {
+        return $query->where('is_active', true);
+    }
+
     protected static function booted(): void
     {
         static::saving(function ($product) {
@@ -36,4 +55,11 @@ protected static function booted(): void
             }
         });
     }
+
+    protected function casts()
+    {
+        return [
+            'is_active' => 'boolean',
+        ];
+    }
 }

backend/app/Models/User.php

@@ -11,7 +11,9 @@
 class User extends Authenticatable
 {
     /** @use HasFactory<\Database\Factories\UserFactory> */
-    use HasFactory, Notifiable;
+    use HasFactory;
+
+    use Notifiable;
 
     /**
      * The attributes that are mass assignable.
@@ -50,4 +52,19 @@ protected function casts(): array
             'role' => UserRoles::class,
         ];
     }
+
+    public function favoriteProducts()
+    {
+        return $this->belongsToMany(Product::class, 'favorite_products', 'user_id', 'product_id');
+    }
+
+    public function hasFavorited(Product $product): bool
+    {
+        return $this->favoriteProducts()->where('product_id', $product->id)->exists();
+    }
+
+    public function carts()
+    {
+        return $this->hasMany(Cart::class);
+    }
 }

backend/app/Queries/GetProductsQuery.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Queries;
+
+use App\Models\Product;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+final readonly class GetProductsQuery
+{
+    public function get(?User $user = null): LengthAwarePaginator
+    {
+        return Product::query()
+            ->active()
+            ->when($user, function (Builder $query) use ($user) {
+                $query->withExists(
+                    [
+                        'favoritedBy' => fn (Builder $query) => $query->where('user_id', $user->id),
+                    ]
+                );
+
+            })
+            ->with(['category:id,name,slug', 'images:id,path,product_id'])
+            ->paginate();
+    }
+}

backend/database/migrations/2026_03_02_133303_create_favourite_products_table.php

@@ -0,0 +1,26 @@
+<?php
+
+use App\Models\Product;
+use App\Models\User;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('favorite_products', function (Blueprint $table) {
+            $table->id();
+            $table->foreignIdFor(User::class);
+            $table->foreignIdFor(Product::class);
+            $table->timestamps();
+            $table->unique(['user_id', 'product_id']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('favorite_products');
+    }
+};

backend/database/migrations/2026_03_05_063756_add-active-in-products.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('products', function (Blueprint $table) {
+            $table->boolean('is_active')->default(true);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('products', function (Blueprint $table) {
+            $table->dropColumn('is_active');
+        });
+
+    }
+};

backend/database/migrations/2026_03_06_054113_create_carts_table.php

@@ -0,0 +1,31 @@
+<?php
+
+use App\Enums\CartStatus;
+use App\Models\User;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('carts', function (Blueprint $table) {
+            $table->id();
+            $table->foreignIdFor(User::class);
+            $table->enum('status', array_column(CartStatus::cases(), 'value'));
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('carts');
+    }
+};

backend/database/migrations/2026_03_06_055910_cart_product.php

@@ -0,0 +1,35 @@
+<?php
+
+use App\Models\Cart;
+use App\Models\Product;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('cart_product', function (Blueprint $table) {
+            $table->id();
+            $table->foreignIdFor(Cart::class);
+            $table->foreignIdFor(Product::class);
+            $table->decimal('price', 10, 2);
+            $table->integer('quantity');
+            $table->timestamps();
+
+            $table->unique(['cart_id', 'product_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('cart_product');
+    }
+};

backend/routes/api.php

@@ -1,6 +1,8 @@
 <?php
 
 use App\Http\Controllers\AuthenticatedUserController;
+use App\Http\Controllers\CartController;
+use App\Http\Controllers\FavouriteProductController;
 use App\Http\Controllers\ProductCategoryController;
 use App\Http\Controllers\ProductController;
 use App\Http\Controllers\ProductImagesController;
@@ -15,6 +17,13 @@
     Route::get('/user', [AuthenticatedUserController::class, 'show']);
     Route::post('/logout', [AuthenticatedUserController::class, 'destroy']);
     Route::post('/upload/images', action: [ProductImagesController::class, 'store']);
+
+    // Favorites
+    Route::post('/products/{product}/favorite', [FavouriteProductController::class, 'toggle']);
+
+    Route::apiSingleton('/cart', CartController::class)
+        ->creatable()
+        ->destroyable();
 });
 Route::get('/categories', [ProductCategoryController::class, 'index']);
 Route::apiResource('products', ProductController::class);

src/app/app.config.ts

@@ -1,8 +1,14 @@
-import { ApplicationConfig, provideBrowserGlobalErrorListeners } from "@angular/core";
-import { provideRouter } from "@angular/router";
+import { ApplicationConfig, provideBrowserGlobalErrorListeners } from '@angular/core';
+import { provideRouter, withComponentInputBinding } from '@angular/router';
 
-import { routes } from "./app.routes";
+import { routes } from './app.routes';
+import { provideHttpClient, withFetch, withInterceptors } from '@angular/common/http';
+import { csrfInterceptor } from './core/interceptors/csrf-interceptor';
 
 export const appConfig: ApplicationConfig = {
-  providers: [provideBrowserGlobalErrorListeners(), provideRouter(routes)],
+  providers: [
+    provideBrowserGlobalErrorListeners(),
+    provideRouter(routes, withComponentInputBinding()),
+    provideHttpClient(withInterceptors([csrfInterceptor])),
+  ],
 };

src/app/app.html

@@ -1,3 +1,7 @@
+<div class="flex min-h-screen flex-col antialiased m-0">
   <app-header />
+  <main class="flex-1">
     <router-outlet></router-outlet>
+  </main>
   <app-footer />
+</div>

src/app/app.routes.ts

@@ -1,13 +1,23 @@
 import { Routes } from "@angular/router";
 import { Home } from "./features/home/home";
+import { authGuard } from "./core/guards/auth-guard";
+import { roleGuard } from "./core/guards/role-guard";
 
 export const routes: Routes = [
   {
     path: "",
     component: Home,
+    canActivate: [authGuard],
   },
   {
     path: "",
     loadChildren: () => import("./features/auth/auth.routes").then((routes) => routes.AuthRoutes),
   },
+  {
+    path: "products",
+    loadChildren: () =>
+      import("./features/product/product.routes").then((routes) => routes.productRoutes),
+    canActivate: [authGuard, roleGuard],
+    data: { roles: ["admin", "broker"] },
+  },
 ];

src/app/app.ts

@@ -1,6 +1,6 @@
 import { Component, signal } from "@angular/core";
 import { RouterOutlet } from "@angular/router";
-import { Products } from "./features/home/products/products";
+import { Product } from "./features/product/product";
 import { Footer } from "./core/layouts/footer/footer";
 import { Header } from "./core/layouts/header/header";
 

src/app/core/guards/auth-guard.spec.ts

@@ -0,0 +1,17 @@
+import { TestBed } from "@angular/core/testing";
+import { CanActivateFn } from "@angular/router";
+
+import { authGuard } from "./auth-guard";
+
+describe("authGuard", () => {
+  const executeGuard: CanActivateFn = (...guardParameters) =>
+    TestBed.runInInjectionContext(() => authGuard(...guardParameters));
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+  });
+
+  it("should be created", () => {
+    expect(executeGuard).toBeTruthy();
+  });
+});

src/app/core/guards/auth-guard.ts

@@ -0,0 +1,11 @@
+import { CanActivateFn, Router } from "@angular/router";
+import { inject } from "@angular/core";
+import { AuthService } from "../../features/auth/services/auth-service";
+
+export const authGuard: CanActivateFn = (route, state) => {
+  const authService = inject(AuthService);
+  const router = inject(Router);
+
+  if (authService.isAuthenticated()) return true;
+  return router.navigate(["/login"]);
+};

src/app/core/guards/role-guard.spec.ts

@@ -0,0 +1,17 @@
+import { TestBed } from "@angular/core/testing";
+import { CanActivateFn } from "@angular/router";
+
+import { roleGuard } from "./role-guard";
+
+describe("roleGuard", () => {
+  const executeGuard: CanActivateFn = (...guardParameters) =>
+    TestBed.runInInjectionContext(() => roleGuard(...guardParameters));
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+  });
+
+  it("should be created", () => {
+    expect(executeGuard).toBeTruthy();
+  });
+});

src/app/core/guards/role-guard.ts

@@ -0,0 +1,12 @@
+import { CanActivateFn } from "@angular/router";
+import { inject } from "@angular/core";
+import { AuthService } from "../../features/auth/services/auth-service";
+
+export const roleGuard: CanActivateFn = (route, state) => {
+  const authService = inject(AuthService);
+
+  // get role from route data passed in route config.
+  const roles = route.data["roles"] as string[];
+
+  return roles && authService.hasRoles(roles);
+};

src/app/core/interceptors/csrf-interceptor.spec.ts

@@ -0,0 +1,17 @@
+import { TestBed } from "@angular/core/testing";
+import { HttpInterceptorFn } from "@angular/common/http";
+
+import { csrfInterceptor } from "./csrf-interceptor";
+
+describe("authInterceptor", () => {
+  const interceptor: HttpInterceptorFn = (req, next) =>
+    TestBed.runInInjectionContext(() => csrfInterceptor(req, next));
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+  });
+
+  it("should be created", () => {
+    expect(interceptor).toBeTruthy();
+  });
+});

src/app/core/interceptors/csrf-interceptor.ts

@@ -0,0 +1,20 @@
+import { HttpInterceptorFn } from "@angular/common/http";
+
+export const csrfInterceptor: HttpInterceptorFn = (req, next) => {
+  const getCookie = (name: string): string | null => {
+    const match = document.cookie.match(new RegExp("(^|;\\s*)(" + name + ")=([^;]*)"));
+    return match ? decodeURIComponent(match[3]) : null;
+  };
+
+  let headers = req.headers.set("Accept", "application/json");
+  const xsrfToken = getCookie("XSRF-TOKEN");
+  if (xsrfToken) {
+    headers = headers.set("X-XSRF-TOKEN", xsrfToken);
+  }
+  const clonedRequest = req.clone({
+    withCredentials: true,
+    headers: headers,
+  });
+
+  return next(clonedRequest);
+};

src/app/core/layouts/footer/footer.html

@@ -18,7 +18,7 @@
 
     <div class="footer-links">
       <a href="">Home</a>
-      <a href="">Products</a>
+      <a href="">Product</a>
       <a href="">About Us</a>
       <a href="">Contact Us</a>
     </div>

src/app/core/layouts/header/header.html

@@ -3,14 +3,14 @@
     class="bg-gray-50 wrapper py-4 flex gap-x-5 sm:gap-x-10 items-center shadow-lg shadow-gray-400/20"
   >
     <div class="">
-      <a href="/" class="px-3 py-1 bg-gray-800 text-white">eKart</a>
+      <a class="px-3 py-1 bg-gray-800 text-white" href="/">eKart</a>
     </div>
 
     <div class="flex-1 grid grid-cols-[1fr_auto]">
       <input
-        type="text"
         class="w-full border border-gray-300 text-sm rounded-full rounded-r-none px-6 py-1"
         placeholder="Search watches, brands, products..."
+        type="text"
       />
       <button class="btn btn-ghost rounded-l-none! py-1 px-3 border-l-0!">
         <lucide-angular [img]="SearchIcon" class="w-5" />
@@ -20,9 +20,9 @@
     <div class="flex space-x-4">
       <div class="flex text-gray-600">
         <button
+          class="btn btn-ghost py-1 px-2 rounded-r-none!"
           popovertarget="popover-1"
           style="anchor-name: --anchor-1"
-          class="btn btn-ghost py-1 px-2 rounded-r-none!"
         >
           <lucide-angular [img]="UserIcon" class="w-5" />
         </button>
@@ -32,8 +32,14 @@
       </div>
     </div>
   </nav>
-  <ul class="dropdown" popover id="popover-1" style="position-anchor: --anchor-1">
-    <li><a class="block h-full w-full" href="">Login</a></li>
+  <ul class="dropdown" id="popover-1" popover style="position-anchor: --anchor-1">
+    @if (authService.authState() === AuthState.Unauthenticated) {
+    <li><a class="block h-full w-full" routerLink="/login">Login</a></li>
+    } @else if (authService.authState() === AuthState.Loading) {
+    <li><a class="block h-full w-full">Loading</a></li>
+    } @else {
+    <li><a class="block h-full w-full" routerLink="/logout">Logout</a></li>
+    }
     <li><a class="block h-full w-full" href="">My Account</a></li>
     <li><a class="block h-full w-full" href="">Orders</a></li>
     <li><a class="block h-full w-full" href="">Wishlist</a></li>

src/app/core/layouts/header/header.ts

@@ -1,8 +1,11 @@
-import { Component } from "@angular/core";
-import { LucideAngularModule, User, ShoppingCart, Search } from "lucide-angular";
+import { Component, inject } from "@angular/core";
+import { LucideAngularModule, Search, ShoppingCart, User } from "lucide-angular";
+import { RouterLink } from "@angular/router";
+import { AuthService, AuthState } from "../../../features/auth/services/auth-service";
+
 @Component({
   selector: "app-header",
-  imports: [LucideAngularModule],
+  imports: [LucideAngularModule, RouterLink],
   templateUrl: "./header.html",
   styleUrl: "./header.css",
 })
@@ -10,4 +13,6 @@ export class Header {
   readonly UserIcon = User;
   readonly CartIcon = ShoppingCart;
   readonly SearchIcon = Search;
+  readonly authService = inject(AuthService);
+  protected readonly AuthState = AuthState;
 }

src/app/core/models/paginated.model.ts

@@ -0,0 +1,25 @@
+export interface PaginatedResponse<T> {
+  data: T[];
+  links: {
+    next: string | null;
+    prev: string | null;
+    last: string | null;
+    first: string | null;
+  };
+  meta: {
+    total: number;
+    per_page: number;
+    current_page: number;
+    last_page: number;
+    from: number;
+    to: number;
+    links: links[];
+  };
+}
+
+interface links {
+  url: string | null;
+  label: string;
+  active: boolean;
+  page: number | null;
+}

src/app/core/models/product.model.ts

@@ -0,0 +1,17 @@
+import { PaginatedResponse } from "./paginated.model";
+import { Category } from "../../features/product/services/category-service";
+
+export interface ProductModel {
+  id: number;
+  title: string;
+  slug: string;
+  description: string;
+  actualPrice: number;
+  listPrice: number;
+  category: Category;
+  productImages: string[];
+  updatedAt: string;
+  isFavorite: boolean;
+}
+
+export interface ProductCollection extends PaginatedResponse<ProductModel> {}

src/app/core/models/user.model.ts

@@ -6,3 +6,12 @@ export interface RegisterUserRequest{
   password_confirmation: string | null;
   city: string | null;
 }
+
+export interface User {
+  id: number;
+  name: string;
+  email: string;
+  mobileNumber: string;
+  city: string;
+  role: string;
+}

src/app/core/services/favorite-service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from "@angular/core/testing";
+
+import { FavoriteService } from "./favorite-service";
+
+describe("FavoriteService", () => {
+  let service: FavoriteService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(FavoriteService);
+  });
+
+  it("should be created", () => {
+    expect(service).toBeTruthy();
+  });
+});

src/app/core/services/favorite-service.ts

@@ -0,0 +1,20 @@
+import { HttpClient } from "@angular/common/http";
+import { inject, Injectable } from "@angular/core";
+import { API_URL } from "../tokens/api-url-tokens";
+
+export interface FavoriteResponse {
+  message: string;
+  isFavorite: boolean;
+}
+
+@Injectable({
+  providedIn: "root",
+})
+export class FavoriteService {
+  http = inject(HttpClient);
+  apiUrl = inject(API_URL);
+
+  toggle(productId: number) {
+    return this.http.post<FavoriteResponse>(`${this.apiUrl}/products/${productId}/favorite`, {});
+  }
+}

src/app/core/services/local-storage.service.ts

@@ -0,0 +1,39 @@
+import { Injectable } from "@angular/core";
+
+@Injectable({
+  providedIn: "root",
+})
+export class LocalStorageService {
+  setItem<T>(key: string, value: T) {
+    try {
+      const item = JSON.stringify(value);
+      localStorage.setItem(key, item);
+    } catch (e) {
+      console.error("Error storing item in local storage: ", e);
+    }
+  }
+
+  getItem<T>(key: string): T | null {
+    try {
+      const item = localStorage.getItem(key);
+      return item ? (JSON.parse(item) as T) : null;
+    } catch (err) {
+      console.error("Error getting item from local storage: ", err);
+      return null;
+    }
+  }
+
+  /**
+   * @throws Error if item is not found
+   */
+  removeItem(key: string) {
+    localStorage.removeItem(key);
+  }
+
+  /**
+   * @Throws Error if localstorage API is not available
+   */
+  clear() {
+    localStorage.clear();
+  }
+}

src/app/core/services/local-storage.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from "@angular/core/testing";
+
+import { LocalStorageService } from "./local-storage.service";
+
+describe("LocalStorage", () => {
+  let service: LocalStorageService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(LocalStorageService);
+  });
+
+  it("should be created", () => {
+    expect(service).toBeTruthy();
+  });
+});

src/app/core/tokens/api-url-tokens.ts

@@ -1,7 +1,12 @@
 import { InjectionToken } from "@angular/core";
-import {environment} from '../../../environments/environment';
+import { environment } from "../../../environments/environment";
 
-export const API_URL = new InjectionToken<string>('API_URL', {
+export const API_URL = new InjectionToken<string>("API_URL", {
   providedIn: "root",
-  factory: () => environment.apiUrl
-})
+  factory: () => environment.apiUrl,
+});
+
+export const BACKEND_URL = new InjectionToken<string>("API_URL", {
+  providedIn: "root",
+  factory: () => environment.backendUrl,
+});

src/app/features/auth/auth.routes.ts

@@ -1,6 +1,8 @@
-import { Routes } from "@angular/router";
+import { Router, Routes } from "@angular/router";
 import { Login } from "./components/login/login";
 import { Register } from "./components/register/register";
+import { inject } from "@angular/core";
+import { AuthService } from "./services/auth-service";
 
 export const AuthRoutes: Routes = [
   {
@@ -14,6 +16,19 @@ export const AuthRoutes: Routes = [
         path: "register",
         component: Register,
       },
+      {
+        path: "logout",
+        component: Login,
+        canActivate: [
+          () => {
+            const authService = inject(AuthService);
+            const router = inject(Router);
+
+            authService.logout().subscribe(() => router.navigate(["/login"]));
+            return false;
+          },
+        ],
+      },
     ],
   },
 ];

src/app/features/auth/components/login/login.html

@@ -1,4 +1,11 @@
-<section class="my-10 sm:my-20 flex justify-center items-center">
+@if (successMessage) {
+<div
+  class="px-4 py-3 mb-8 bg-teal-100 rounded-lg text-teal-800 text-sm mt-10 max-w-11/12 sm:max-w-8/12 mx-auto"
+>
+  <p>{{successMessage}}</p>
+</div>
+}
+<section class="my-5 sm:my-10 flex justify-center items-center">
   <article class="card max-w-11/12 sm:max-w-8/12 grid md:grid-cols-2 lg:grid-cols-3 gap-4">
     <div class="md:col-span-1 lg:col-span-2">
       <img
@@ -13,21 +20,25 @@
 
       <h2 class="text-xl text-gray-600">Get access to your Orders, Wishlist and Recommendations</h2>
 
-      <form class="flex flex-col space-y-5">
+      <form [formGroup]="loginForm" (ngSubmit)="loginUser()" class="flex flex-col space-y-5">
         <fieldset class="fieldset">
           <legend class="fieldset-legend">Email</legend>
-          <input type="text" class="input" placeholder="Enter email here" />
+          <input formControlName="email" type="text" class="input" placeholder="Enter email here" />
           <p class="label">your-email-address@email.com</p>
+          <app-error fieldName="email" [control]="loginForm.get('email')" />
         </fieldset>
 
         <fieldset class="fieldset">
           <legend class="fieldset-legend">Password</legend>
-          <input type="password" class="input" placeholder="Type here" />
+          <input formControlName="password" type="password" class="input" placeholder="Type here" />
+          <app-error fieldName="password" [control]="loginForm.get('password')" />
         </fieldset>
 
         <button type="submit" class="btn btn-black py-2">Login</button>
       </form>
-      <a href="" class="text-xs text-gray-800 text-center w-full block hover:text-teal-600"
+      <a
+        routerLink="/register"
+        class="text-xs text-gray-800 text-center w-full block hover:text-teal-600"
         >New User ? Sign Up</a
       >
     </article>

src/app/features/auth/components/login/login.ts

@@ -1,9 +1,38 @@
-import { Component } from "@angular/core";
+import { Component, inject } from "@angular/core";
+import { Router, RouterLink } from "@angular/router";
+import { FormControl, FormGroup, ReactiveFormsModule, Validators } from "@angular/forms";
+import { AuthService } from "../../services/auth-service";
+import { Error } from "../../../../shared/components/error/error";
 
 @Component({
   selector: "app-login",
-  imports: [],
+  imports: [RouterLink, ReactiveFormsModule, Error],
   templateUrl: "./login.html",
   styleUrl: "./login.css",
 })
-export class Login {}
+export class Login {
+  successMessage: string | undefined;
+  authService = inject(AuthService);
+
+  loginForm = new FormGroup({
+    email: new FormControl("", { validators: [Validators.required, Validators.email] }),
+    password: new FormControl("", { validators: [Validators.required] }),
+  });
+
+  constructor(private router: Router) {
+    const navigator = this.router.currentNavigation();
+    const state = navigator?.extras.state as { message?: string };
+    this.successMessage = state?.message;
+  }
+
+  loginUser() {
+    if (this.loginForm.invalid) {
+      this.loginForm.markAllAsTouched();
+      return;
+    }
+
+    this.authService.login(this.loginForm.value as { email: string; password: string }).subscribe({
+      next: () => this.router.navigate(["/"]),
+    });
+  }
+}

src/app/features/auth/components/register/register.html

@@ -1,44 +1,82 @@
-<section class="my-10 sm:my-30 flex flex-col sm:flex-row space-x-20 justify-center items-center">
+<section
+  class="my-10 md:my-30 flex flex-col md:flex-row space-x-20 space-y-10 justify-center items-center"
+>
   <article class="space-y-6">
     <h1 class="text-3xl text-gray-800 font-space font-bold">Register</h1>
     <h2 class="text-xl text-gray-600">Sign up with your<br />email address to get started</h2>
+    <div class="text-xs text-red-600 space-y-2">
+      @for (error of errors(); track error) {
+      <p>{{ error }}</p>
+      }
+    </div>
   </article>
 
-  <form [formGroup]="registerForm" (ngSubmit)="registerUser()" class="card max-w-11/12 sm:max-w-8/12 grid md:grid-cols-2 gap-4">
-    <article class="space-y-4">
+  <form
+    [formGroup]="registerForm"
+    (ngSubmit)="registerUser()"
+    class="card max-w-11/12 sm:max-w-8/12 grid md:grid-cols-2 gap-4"
+  >
     <fieldset class="fieldset">
-        <legend class="fieldset-legend">Name</legend>
-        <input type="text" class="input" formControlName="name"  placeholder="Jhon Doe" />
+      <legend class="fieldset-legend">Name*</legend>
+      <input type="text" name="name" class="input" formControlName="name" placeholder="Jhon Doe" />
+      <app-error fieldName="name" [control]="registerForm.get('name')" />
     </fieldset>
+
     <fieldset class="fieldset">
-        <legend class="fieldset-legend">Mobile Number</legend>
-        <input type="text" class="input" formControlName="mobile_number" placeholder="+X1 XXXXXXXXXX" />
+      <legend class="fieldset-legend">Mobile Number*</legend>
+      <input
+        type="text"
+        name="mobile_number"
+        class="input"
+        formControlName="mobile_number"
+        placeholder="+X1 XXXXXXXXXX"
+      />
+      <app-error fieldName="mobile number" [control]="registerForm.get('mobile_number')" />
     </fieldset>
+
     <fieldset class="fieldset">
-        <legend class="fieldset-legend">Email</legend>
+      <legend class="fieldset-legend">Email*</legend>
       <input type="text" class="input" formControlName="email" placeholder="Enter email here" />
       <p class="label">your-email-address@email.com</p>
+      <app-error fieldName="email" [control]="registerForm.get('email')" />
     </fieldset>
-    </article>
-    <article class="space-y-4">
+
     <fieldset class="fieldset">
-        <legend class="fieldset-legend">Password</legend>
+      <legend class="fieldset-legend">City*</legend>
+      <input
+        type="text"
+        name="city"
+        class="input"
+        formControlName="city"
+        placeholder="Your city name"
+      />
+      <app-error fieldName="city" [control]="registerForm.get('city')" />
+    </fieldset>
+
+    <fieldset class="fieldset">
+      <legend class="fieldset-legend">Password*</legend>
       <input type="password" class="input" formControlName="password" placeholder="Type here" />
+      <app-error fieldName="password" [control]="registerForm.get('password')" />
     </fieldset>
 
     <fieldset class="fieldset">
-        <legend class="fieldset-legend">Confirm Password</legend>
-        <input type="text" class="input" formControlName="password_confirmation" placeholder="Type here" />
+      <legend class="fieldset-legend">Confirm Password*</legend>
+      <input
+        type="text"
+        class="input"
+        formControlName="password_confirmation"
+        placeholder="Type here"
+      />
+      <app-error [control]="registerForm.get('password_confirmation')" />
     </fieldset>
 
-      <fieldset class="fieldset">
-        <legend class="fieldset-legend">City</legend>
-        <input type="text" class="input" formControlName="city" placeholder="Your city name" />
-      </fieldset>
-    </article>
     <div class="flex flex-col col-span-2 gap-y-2">
-      <button type="submit" class="btn btn-black py-2 w-full">Register</button>
-      <a href="" class="text-xs text-gray-800 text-center w-full block hover:text-teal-600"
+      <button type="submit" [disabled]="registerForm.invalid" class="btn btn-black py-2 w-full">
+        Register
+      </button>
+      <a
+        routerLink="/login"
+        class="text-xs text-gray-800 text-center w-full block hover:text-teal-600"
         >Already have an account ? Login</a
       >
     </div>

src/app/features/auth/components/register/register.ts

@@ -1,30 +1,45 @@
-import { Component, inject } from "@angular/core";
-import { FormControl, FormGroup, ReactiveFormsModule } from "@angular/forms";
+import { Component, inject, signal } from "@angular/core";
+import { FormControl, FormGroup, ReactiveFormsModule, Validators } from "@angular/forms";
 import { AuthService } from "../../services/auth-service";
 import { RegisterUserRequest } from "../../../../core/models/user.model";
+import { Error } from "../../../../shared/components/error/error";
+import { Router, RouterLink } from "@angular/router";
 
 @Component({
   selector: "app-register",
-  imports: [ReactiveFormsModule],
+  imports: [ReactiveFormsModule, Error, RouterLink],
   templateUrl: "./register.html",
   styleUrl: "./register.css",
 })
 export class Register {
-
   authService = inject(AuthService);
+  router = inject(Router);
+  errors = signal<string[]>([]);
 
   registerForm = new FormGroup({
-    name :new FormControl(''),
-    email :new FormControl(''),
-    mobile_number : new FormControl(''),
-    password : new FormControl(''),
-    password_confirmation : new FormControl(''),
-    city : new FormControl(''),
+    name: new FormControl("", { validators: [Validators.required] }),
+    email: new FormControl("", { validators: [Validators.required, Validators.email] }),
+    mobile_number: new FormControl("", { validators: [Validators.required] }),
+    password: new FormControl("", { validators: [Validators.required] }),
+    password_confirmation: new FormControl("", { validators: [Validators.required] }),
+    city: new FormControl("", { validators: [Validators.required] }),
   });
 
   registerUser() {
-    this.authService.register(this.registerForm.value as RegisterUserRequest)
-      .subscribe();
+    // validation errors if user submit early
+    if (this.registerForm.invalid) {
+      this.registerForm.markAllAsTouched();
+      return;
     }
 
+    this.authService.register(this.registerForm.value as RegisterUserRequest).subscribe({
+      next: () =>
+        this.router.navigate(["/login"], { state: { message: "Registration successful!" } }),
+      error: (error) => {
+        const errors: Record<number, string[]> = error?.error?.errors || {};
+        const errorMessages: string[] = Object.values(errors).flat();
+        this.errors.set(errorMessages);
+      },
+    });
+  }
 }

src/app/features/auth/services/auth-service.spec.ts

@@ -1,8 +1,8 @@
-import { TestBed } from '@angular/core/testing';
+import { TestBed } from "@angular/core/testing";
 
-import { AuthService } from './auth-service';
+import { AuthService } from "./auth-service";
 
-describe('AuthService', () => {
+describe("AuthService", () => {
   let service: AuthService;
 
   beforeEach(() => {
@@ -10,7 +10,7 @@ describe('AuthService', () => {
     service = TestBed.inject(AuthService);
   });
 
-  it('should be created', () => {
+  it("should be created", () => {
     expect(service).toBeTruthy();
   });
 });

src/app/features/auth/services/auth-service.ts

@@ -1,19 +1,112 @@
-import { Injectable, inject } from '@angular/core';
-import { RegisterUserRequest } from '../../../core/models/user.model';
-import { HttpClient } from '@angular/common/http';
-import { API_URL } from '../../../core/tokens/api-url-tokens';
+import { computed, inject, Injectable, Signal, signal, WritableSignal } from "@angular/core";
+import { RegisterUserRequest, User } from "../../../core/models/user.model";
+import { HttpClient, HttpErrorResponse } from "@angular/common/http";
+import { API_URL, BACKEND_URL } from "../../../core/tokens/api-url-tokens";
+import { switchMap, tap } from "rxjs";
+import { LocalStorageService } from "../../../core/services/local-storage.service";
+
+export enum AuthState {
+  Loading = "loading",
+  Authenticated = "authenticated",
+  Unauthenticated = "unauthenticated",
+}
+
+/**
+ * UserService - manages user related operations
+ *
+ * ## Auth States
+ * - loading: user is being fetched from the server
+ * - authenticated: user is authenticated
+ * - unauthenticated: user is not authenticated
+ */
 
 @Injectable({
-  providedIn: 'root',
+  providedIn: "root",
 })
 export class AuthService {
+  // User states
+  readonly authState: WritableSignal<AuthState>;
+  readonly user: WritableSignal<User | null>;
+  readonly userRole: Signal<string | null>;
 
+  // Computed state for easy checking
+  readonly isAuthenticated: Signal<boolean>;
+  // Dependent services
+  private localStorage = inject(LocalStorageService);
   private http: HttpClient = inject(HttpClient);
+  // Constants
+  private readonly userKey = "ekart_user";
   private apiUrl = inject(API_URL);
+  private backendURL = inject(BACKEND_URL);
+
+  constructor() {
+    const cachedUser = this.localStorage.getItem<User>(this.userKey);
+    this.authState = signal<AuthState>(
+      cachedUser ? AuthState.Authenticated : AuthState.Unauthenticated,
+    );
+    this.user = signal<User | null>(cachedUser);
+    this.isAuthenticated = computed(() => !!this.user());
+    this.userRole = computed(() => this.user()?.role || null);
+  }
 
   register(userRequest: RegisterUserRequest) {
-    console.log(this.apiUrl);
     return this.http.post(`${this.apiUrl}/register`, userRequest);
   }
 
+  /**
+   * Laravel API expects the csrf cookie to be set before making a request.
+   * First set the cookie then attempt to login.
+   * If the login is successful, set the user in the state.
+   */
+  login(credentials: { email: string; password: string }) {
+    return this.getCsrfCookie().pipe(
+      switchMap(() =>
+        this.http.post(`${this.backendURL}/login`, credentials, { observe: "response" }),
+      ),
+      switchMap(() => this.getCurrentUser()),
+    );
+  }
+
+  getCurrentUser() {
+    return this.http.get<User>(`${this.apiUrl}/user`).pipe(
+      tap({
+        next: (user) => this.setAuth(user),
+        error: (error: HttpErrorResponse) => this.purgeAuth(),
+      }),
+    );
+  }
+
+  /**
+   * Check if current user has the role.
+   * Mostly used in role guard.
+   */
+  hasRoles(roles: string[]) {
+    const role = this.userRole();
+    if (!role) return false;
+    return roles.includes(role);
+  }
+
+  logout() {
+    return this.http.post(`${this.backendURL}/logout`, {}).pipe(
+      tap({
+        next: () => this.purgeAuth(),
+      }),
+    );
+  }
+
+  private getCsrfCookie() {
+    return this.http.get(`${this.backendURL}/sanctum/csrf-cookie`);
+  }
+
+  private setAuth(user: User) {
+    this.localStorage.setItem<User>(this.userKey, user);
+    this.user.set(user);
+    this.authState.set(AuthState.Authenticated);
+  }
+
+  private purgeAuth() {
+    this.localStorage.removeItem(this.userKey);
+    this.user.set(null);
+    this.authState.set(AuthState.Unauthenticated);
+  }
 }

src/app/features/home/home.ts

@@ -1,9 +1,9 @@
 import { Component } from "@angular/core";
-import { Products } from "./products/products";
+import { Product } from "../product/product";
 
 @Component({
   selector: "app-home",
-  imports: [Products],
+  imports: [Product],
   templateUrl: "./home.html",
   styleUrl: "./home.css",
 })

src/app/features/home/products/componets/product-card/product-card.html

@@ -1,17 +0,0 @@
-<div class="card flex flex-col relative">
-  <!--Favorite button -->
-  <button
-    class="absolute right-6 top-6 transition-all duration-300 ease active:scale-80 hover:bg-gray-100 p-1 rounded-full"
-  >
-    <lucide-angular [img]="HeartIcon" class="w-4 h-4 text-gray-500" />
-  </button>
-
-  <!--Product image-->
-  <div class="bg-gray-200 rounded-xl h-40">
-    <img src="https://placehold.co/400x600" alt="" class="object-cover rounded-xl w-full h-full" />
-  </div>
-
-  <p class="text-gray-400 text-sm">Product Name</p>
-  <p class="text-gray-400 text-xs">⭐4.5</p>
-  <p class="text-gray-400 text-xs">Price: 4999/-</p>
-</div>

src/app/features/home/products/componets/product-card/product-card.ts

@@ -1,12 +0,0 @@
-import { Component } from "@angular/core";
-import { LucideAngularModule, Heart } from "lucide-angular";
-
-@Component({
-  selector: "app-product-card",
-  standalone: true,
-  imports: [LucideAngularModule],
-  templateUrl: "./product-card.html",
-})
-export class ProductCard {
-  readonly HeartIcon = Heart;
-}

src/app/features/home/products/products.ts

@@ -1,9 +0,0 @@
-import { Component } from "@angular/core";
-import { ProductCard } from "./componets/product-card/product-card";
-
-@Component({
-  selector: "app-products",
-  imports: [ProductCard],
-  templateUrl: "./products.html",
-})
-export class Products {}

src/app/features/product/add-product/add-product.html

@@ -0,0 +1,157 @@
+<section class="wrapper">
+  @if (successMessage()) {
+  <div
+    class="fixed top-5 right-5 z-50 flex items-center p-4 mb-4 text-green-800 rounded-lg bg-green-50 border border-green-200 shadow-lg animate-bounce-in"
+    role="alert"
+  >
+    <svg
+      aria-hidden="true"
+      class="flex-shrink-0 w-4 h-4"
+      fill="currentColor"
+      viewBox="0 0 20 20"
+      xmlns="http://www.w3.org/2000/svg"
+    >
+      <path
+        d="M10 .5a9.5 9.5 0 1 0 9.5 9.5A9.51 9.51 0 0 0 10 .5Zm3.707 8.207-4 4a1 1 0 0 1-1.414 0l-2-2a1 1 0 0 1 1.414-1.414L9 10.586l3.293-3.293a1 1 0 0 1 1.414 1.414Z"
+      />
+    </svg>
+    <div class="ms-3 text-sm font-medium">{{ successMessage() }}</div>
+    <button
+      (click)="successMessage.set(null)"
+      class="ms-auto -mx-1.5 -my-1.5 bg-green-50 text-green-500 rounded-lg p-1.5 hover:bg-green-200 inline-flex items-center justify-center h-8 w-8"
+      type="button"
+    >
+      <span class="sr-only">Close</span>
+      ✕
+    </button>
+  </div>
+  }
+
+  <h1 class="h1">Add Product</h1>
+  <section class="card">
+    <form
+      (ngSubmit)="submitProductForm()"
+      [formGroup]="productAddFrom"
+      class="flex flex-col sm:flex-row gap-4"
+    >
+      <fieldset class="flex flex-col space-y-4 min-w-0 flex-1">
+        <fieldset class="fieldset">
+          <legend class="fieldset-legend">Title</legend>
+          <input
+            class="input"
+            formControlName="title"
+            id="title"
+            placeholder="Enter product title"
+            type="text"
+          />
+          <app-error [control]="productAddFrom.get('title')" fieldName="title" />
+        </fieldset>
+
+        <fieldset class="fieldset">
+          <legend class="fieldset-legend">Description</legend>
+          <textarea
+            class="input"
+            formControlName="description"
+            id="description"
+            rows="5"
+          ></textarea>
+          <app-error [control]="productAddFrom.get('description')" fieldName="description" />
+        </fieldset>
+
+        <fieldset class="fieldset">
+          <legend class="fieldset-legend">Select category</legend>
+          <select class="input" formControlName="product_category_id" id="category">
+            <option disabled selected value="">Select Category</option>
+            @for (category of categories(); track category?.id) {
+            <option [value]="category?.id">{{ category.name }}</option>
+            }
+          </select>
+          <app-error [control]="productAddFrom.get('product_category_id')" fieldName="category" />
+        </fieldset>
+      </fieldset>
+      <fieldset class="flex flex-col space-y-4 min-w-0 flex-1">
+        <div class="flex gap-4">
+          <fieldset class="fieldset flex-1">
+            <legend class="fieldset-legend">List Price</legend>
+            <input
+              class="input"
+              formControlName="list_price"
+              id="list-price"
+              placeholder="$0"
+              type="number"
+            />
+            <label class="label" for="list-price">Price to be shown as MRP</label>
+            <app-error [control]="productAddFrom.get('list_price')" fieldName="List Price" />
+          </fieldset>
+
+          <fieldset class="fieldset flex-1">
+            <legend class="fieldset-legend">Actual Price</legend>
+            <input
+              class="input"
+              formControlName="actual_price"
+              id="actual-price"
+              placeholder="$0"
+              type="number"
+            />
+            <label class="label" for="actual-price">Price to be calculated when billing</label>
+            <app-error [control]="productAddFrom.get('actual_price')" fieldName="Actual Price" />
+          </fieldset>
+        </div>
+
+        <fieldset class="fieldset">
+          <legend class="fieldset-legend">Image</legend>
+          <div class="grid grid-cols-1 sm:grid-cols-3 sm:h-36 gap-4">
+            <app-image-input
+              (imageSelected)="openPreview($event)"
+              [bgImageUrl]="selectedImages()['image_1']?.url"
+              id="image_1"
+            />
+
+            <app-image-input
+              (imageSelected)="openPreview($event)"
+              [bgImageUrl]="selectedImages()['image_2']?.url"
+              id="image_2"
+            />
+            <app-image-input
+              (imageSelected)="openPreview($event)"
+              [bgImageUrl]="selectedImages()['image_3']?.url"
+              id="image_3"
+            />
+            <dialog
+              #imageDialog
+              class="relative min-w-11/12 min-h-11/12 m-auto p-4 rounded-xl bg-gray-50 overflow-x-hidden backdrop:bg-black/50 backdrop:backdrop-blur-xs"
+            >
+              <div class="flex flex-col gap-4 overflow-hidden">
+                <div class="flex self-end gap-4 fixed top-10 right-10">
+                  <button
+                    (click)="closeDialog()"
+                    class="btn btn-ghost bg-gray-50 py-1 px-4 shadow-xl"
+                    type="button"
+                  >
+                    ✕ Close
+                  </button>
+
+                  <button
+                    (click)="confirmImage()"
+                    class="btn btn-black py-1 px-4 shadow-xl"
+                    type="button"
+                  >
+                    ✓ Select
+                  </button>
+                </div>
+                <div class="overflow-y-scroll rounded-lg">
+                  <img
+                    [src]="activeImage()?.url"
+                    alt="Product Preview"
+                    class="w-full h-auto object-contain"
+                  />
+                </div>
+              </div>
+            </dialog>
+          </div>
+        </fieldset>
+        <button class="btn btn-black py-2" type="submit">Add Product</button>
+      </fieldset>
+    </form>
+  </section>
+</section>

src/app/features/product/add-product/add-product.spec.ts

@@ -0,0 +1,22 @@
+import { ComponentFixture, TestBed } from "@angular/core/testing";
+
+import { AddProduct } from "./add-product";
+
+describe("AddProduct", () => {
+  let component: AddProduct;
+  let fixture: ComponentFixture<AddProduct>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [AddProduct],
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(AddProduct);
+    component = fixture.componentInstance;
+    await fixture.whenStable();
+  });
+
+  it("should create", () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/features/product/add-product/add-product.ts

@@ -0,0 +1,112 @@
+import { Component, ElementRef, inject, signal, ViewChild } from "@angular/core";
+import { FormControl, FormGroup, ReactiveFormsModule, Validators } from "@angular/forms";
+import { ImageInput } from "../../../shared/components/image-input/image-input";
+import { HttpClient } from "@angular/common/http";
+import { API_URL } from "../../../core/tokens/api-url-tokens";
+import { Error } from "../../../shared/components/error/error";
+import { Category, CategoryService } from "../services/category-service";
+import { forkJoin, switchMap } from "rxjs";
+
+export interface ImageSelection {
+  id: string;
+  url: string;
+  file: File;
+}
+
+@Component({
+  selector: "app-add-product",
+  imports: [ReactiveFormsModule, ImageInput, Error],
+  templateUrl: "./add-product.html",
+  styleUrl: "./add-product.css",
+})
+export class AddProduct {
+  http = inject(HttpClient);
+  apiUrl = inject<string>(API_URL);
+  categoryService = inject(CategoryService);
+
+  @ViewChild("imageDialog") imageDialog!: ElementRef<HTMLDialogElement>;
+  activeImage = signal<ImageSelection | null>(null);
+  selectedImages = signal<Record<string, { url: string; file: File }>>({});
+  categories = signal<Category[]>([]);
+  successMessage = signal<string | null>(null);
+
+  productAddFrom = new FormGroup({
+    title: new FormControl("", {
+      validators: [Validators.required, Validators.minLength(3)],
+    }),
+    description: new FormControl("", {
+      validators: [Validators.required, Validators.minLength(10)],
+    }),
+    actual_price: new FormControl(0, { validators: [Validators.required, Validators.min(0)] }),
+    list_price: new FormControl(0, { validators: [Validators.required, Validators.min(0)] }),
+    product_category_id: new FormControl("", { validators: [Validators.required] }),
+  });
+
+  ngOnInit() {
+    this.categoryService.getCategories().subscribe({
+      next: (categories) => this.categories.set(categories),
+      error: (error) => console.log(error),
+    });
+  }
+
+  openPreview(image: ImageSelection) {
+    this.activeImage.set(image);
+    this.imageDialog.nativeElement.showModal();
+  }
+
+  confirmImage() {
+    // Add the current image to the selected images
+    const current = this.activeImage();
+    if (current) {
+      this.selectedImages.update((images) => ({ ...images, [current.id]: current }));
+    }
+    this.closeDialog();
+  }
+
+  closeDialog() {
+    this.activeImage.set(null);
+    this.imageDialog.nativeElement.close();
+  }
+
+  submitProductForm() {
+    if (this.productAddFrom.invalid) {
+      this.productAddFrom.markAllAsTouched();
+      return;
+    }
+
+    this.http
+      .post<{ id: string | number }>(`${this.apiUrl}/products`, this.productAddFrom.value)
+      .pipe(
+        switchMap((response) => {
+          const productId = response.id;
+          const images = Object.values(this.selectedImages());
+
+          if (images.length === 0) {
+            return [response];
+          }
+
+          const uploadRequests = images.map((img) => this.uploadImage(img.file, productId));
+
+          return forkJoin(uploadRequests);
+        }),
+      )
+      .subscribe({
+        next: (results) => {
+          this.successMessage.set("Product and images uploaded successfully!");
+          console.log("Product and all images uploaded successfully", results);
+          this.productAddFrom.reset();
+          this.selectedImages.set({});
+          setTimeout(() => this.successMessage.set(null), 3000);
+        },
+        error: (err) => console.error("Upload failed", err),
+      });
+  }
+
+  private uploadImage(file: File, productId: string | number) {
+    const formData = new FormData();
+    formData.append("image", file);
+    formData.append("product_id", productId.toString());
+
+    return this.http.post(`${this.apiUrl}/upload/images`, formData);
+  }
+}

src/app/features/product/components/product-card/product-card.html

@@ -0,0 +1,19 @@
+<div class="card flex flex-col relative cursor-pointer" (click)="goToProductDetails()">
+  <app-favorite-button
+    [productId]="product.id"
+    [isFavorite]="product.isFavorite"
+    class="absolute top-5 right-5"
+  />
+  <!--Product image-->
+  <div class="bg-gray-200 rounded-xl h-40">
+    <img [src]="product.productImages[0]" alt="" class="object-cover rounded-xl w-full h-full" />
+  </div>
+
+  <p class="text-gray-400 text-sm truncate">{{ product.title }}</p>
+  <p class="text-gray-400 text-xs">⭐4.5</p>
+  <p class="text-gray-400 text-xs">
+    Price:
+    <span class="line-through italic mr-1">{{ product.actualPrice }}</span>
+    <span class="font-bold">{{ product.listPrice }}/-</span>
+  </p>
+</div>

src/app/features/product/components/product-card/product-card.ts

@@ -0,0 +1,20 @@
+import { Component, inject, Input } from "@angular/core";
+import { ProductModel } from "../../../../core/models/product.model";
+import { Router } from "@angular/router";
+import { FavoriteButton } from "../../../../src/app/shared/components/favorite-button/favorite-button";
+
+@Component({
+  selector: "app-product-card",
+  standalone: true,
+  imports: [FavoriteButton],
+  templateUrl: "./product-card.html",
+})
+export class ProductCard {
+  readonly router = inject(Router);
+
+  @Input() product!: ProductModel;
+
+  goToProductDetails() {
+    this.router.navigate(["/products", this.product.slug]);
+  }
+}

src/app/features/product/product.html

@@ -1,14 +1,11 @@
 <section
   class="wrapper py-8 bg-gray-300 bg-cover bg-end bg-[linear-gradient(to_right,hsla(0,0%,90%,1.0),hsla(0,0%,90%,0.8)_20%,hsla(0,0%,100%,0)),url('/assets/images/watch-banner.jpg')]"
 >
-  <p class="text-3xl text-gray-700 font-sans">Our Products</p>
+  <p class="text-3xl text-gray-700 font-sans">Our Product</p>
 </section>
 
 <section class="mt-4 grid grid-cols-2 sm:grid-cols-4 lg:grid-cols-6 gap-4 wrapper">
-  <app-product-card />
-  <app-product-card />
-  <app-product-card />
-  <app-product-card />
-  <app-product-card />
-  <app-product-card />
+  @for (product of products(); track product) {
+  <app-product-card [product]="product" />
+  }
 </section>

src/app/features/product/product.routes.ts

@@ -0,0 +1,14 @@
+import { Routes } from "@angular/router";
+import { AddProduct } from "./add-product/add-product";
+import { ShowProduct } from "./show-product/show-product";
+
+export const productRoutes: Routes = [
+  {
+    path: "create",
+    component: AddProduct,
+  },
+  {
+    path: ":slug",
+    component: ShowProduct,
+  },
+];

src/app/features/product/product.spec.ts

@@ -1,17 +1,17 @@
 import { ComponentFixture, TestBed } from "@angular/core/testing";
 
-import { Products } from "./products";
+import { Product } from "./product";
 
-describe("Products", () => {
-  let component: Products;
-  let fixture: ComponentFixture<Products>;
+describe("Product", () => {
+  let component: Product;
+  let fixture: ComponentFixture<Product>;
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      imports: [Products],
+      imports: [Product],
     }).compileComponents();
 
-    fixture = TestBed.createComponent(Products);
+    fixture = TestBed.createComponent(Product);
     component = fixture.componentInstance;
     await fixture.whenStable();
   });

src/app/features/product/product.ts

@@ -0,0 +1,22 @@
+import { Component, inject, signal } from "@angular/core";
+import { ProductCard } from "./components/product-card/product-card";
+import { HttpClient } from "@angular/common/http";
+import { API_URL } from "../../core/tokens/api-url-tokens";
+import { ProductModel } from "../../core/models/product.model";
+import { ProductService } from "./services/product-service";
+
+@Component({
+  selector: "app-products",
+  imports: [ProductCard],
+  templateUrl: "./product.html",
+})
+export class Product {
+  productService = inject(ProductService);
+  products = signal<ProductModel[]>([]);
+
+  ngOnInit() {
+    this.productService.getProducts().subscribe((data) => {
+      this.products.set(data.data);
+    });
+  }
+}

src/app/features/product/services/category-service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from "@angular/core/testing";
+
+import { CategoryService } from "./category-service";
+
+describe("CategoryService", () => {
+  let service: CategoryService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(CategoryService);
+  });
+
+  it("should be created", () => {
+    expect(service).toBeTruthy();
+  });
+});

src/app/features/product/services/category-service.ts

@@ -0,0 +1,21 @@
+import { inject, Injectable } from "@angular/core";
+import { HttpClient } from "@angular/common/http";
+import { API_URL } from "../../../core/tokens/api-url-tokens";
+
+export interface Category {
+  id?: number;
+  name: string;
+  slug: string;
+}
+
+@Injectable({
+  providedIn: "root",
+})
+export class CategoryService {
+  private http = inject(HttpClient);
+  private apiUrl = inject(API_URL);
+
+  getCategories() {
+    return this.http.get<Category[]>(`${this.apiUrl}/categories`);
+  }
+}

src/app/features/product/services/product-service.spec.ts

@@ -0,0 +1,16 @@
+import { TestBed } from "@angular/core/testing";
+
+import { ProductService } from "./product-service";
+
+describe("ProductService", () => {
+  let service: ProductService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(ProductService);
+  });
+
+  it("should be created", () => {
+    expect(service).toBeTruthy();
+  });
+});

src/app/features/product/services/product-service.ts

@@ -0,0 +1,20 @@
+import { inject, Injectable } from "@angular/core";
+import { HttpClient } from "@angular/common/http";
+import { API_URL } from "../../../core/tokens/api-url-tokens";
+import { ProductCollection, ProductModel } from "../../../core/models/product.model";
+
+@Injectable({
+  providedIn: "root",
+})
+export class ProductService {
+  http = inject(HttpClient);
+  apiUrl = inject(API_URL);
+
+  getProducts() {
+    return this.http.get<ProductCollection>(`${this.apiUrl}/products`);
+  }
+
+  getProduct(slug: string) {
+    return this.http.get<{ data: ProductModel }>(`${this.apiUrl}/products/${slug}`);
+  }
+}

src/app/features/product/show-product/show-product.html

@@ -0,0 +1,132 @@
+<div class="bg-gray-100 py-8 font-sans text-slate-800">
+  <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
+    <nav class="flex text-sm text-gray-500 mb-6 items-center space-x-2">
+      <a href="#" class="hover:text-gray-900">Home</a>
+      <span>›</span>
+      <a href="#" class="hover:text-gray-900">{{ product()?.category?.name }}</a>
+      <span>›</span>
+      <a href="#" class="hover:text-gray-900">{{ product()?.title }}</a>
+    </nav>
+
+    <div class="grid grid-cols-1 lg:grid-cols-12 gap-8">
+      <div class="lg:col-span-4 flex flex-col gap-4">
+        <div class="card aspect-square relative">
+          <img
+            [src]="product()?.productImages?.[activeImageIndex()] ?? ''"
+            alt="Product Image"
+            class="w-full h-full object-cover object-center rounded-lg"
+          />
+          <button
+            class="absolute top-2 right-2 p-2! rounded-full! btn btn-ghost border-none! bg-gray-50"
+          >
+            <lucide-angular [img]="HeartIcon" class="w-4 h-4" />
+          </button>
+          <button
+            (click)="prevImage()"
+            class="absolute top-45 left-2 p-2! rounded-full! btn btn-ghost"
+          >
+            <lucide-angular [img]="ArrowLeftIcon" class="w-4 h-4" />
+          </button>
+          <button
+            (click)="nextImage()"
+            class="absolute top-45 right-2 p-2! rounded-full! btn btn-ghost"
+          >
+            <lucide-angular [img]="ArrowRightIcon" class="w-4 h-4" />
+          </button>
+        </div>
+
+        <div class="grid grid-cols-4 gap-3">
+          @for (image of product()?.productImages; track image) {
+
+          <button
+            class="card p-2! aspect-square cursor-pointer"
+            (click)="this.activeImageIndex.set($index)"
+          >
+            <img [src]="image" alt="Thumbnail 1" class="w-full h-full object-cover rounded-lg" />
+          </button>
+          }
+        </div>
+      </div>
+
+      <div class="lg:col-span-5 flex flex-col space-y-5">
+        <div class="flex flex-col gap-1">
+          <p class="text-3xl font-semibold">{{ product()?.title }}</p>
+
+          <div class="flex items-center gap-2">
+            <span class="text-sm text-gray-400">Category:</span>
+            <a href="#" class="text-sm text-gray-600 hover:text-gray-900"
+              >{{ product()?.category?.name }}</a
+            >
+          </div>
+
+          <div class="flex items-center gap-2">
+            <div class="flex text-yellow-400 text-lg">
+              <span>★</span><span>★</span><span>★</span><span>★</span><span>★</span>
+            </div>
+            <span class="text-sm font-medium">4.8</span>
+            <span class="text-xs text-gray-400"></span>
+            <span class="text-sm text-gray-600 ml-2">112 Reviews</span>
+          </div>
+        </div>
+        <div class="min-h-40">
+          <h2 class="text-xl font-medium mb-3">Product Description</h2>
+          <p class="text-gray-700 text-sm leading-relaxed mb-4">{{ product()?.description }}</p>
+        </div>
+
+        <div>
+          <h3 class="text-lg font-medium mb-3">Customer Reviews</h3>
+          <ul class="list-disc list-outside ml-4 space-y-2 text-sm text-gray-700 relative pb-4">
+            <li>
+              "Rich in condensed nutrients using daily."
+              <span class="text-[10px] text-gray-400"></span>
+            </li>
+            <li>"Seedless & Eco-Peel it" <span class="text-[10px] text-gray-400"></span></li>
+            <li>
+              "Longer Shelf Life has encounant" <span class="text-[10px] text-gray-400"></span>
+            </li>
+          </ul>
+        </div>
+      </div>
+
+      <div class="lg:col-span-3 flex flex-col gap-6">
+        <div class="card">
+          <div class="flex justify-between items-start mb-6">
+            <div class="flex items-baseline gap-2">
+              <span class="text-xl text-gray-400 line-through decoration-1"
+                >Rs.{{ product()?.actualPrice }}</span
+              >
+              <span class="text-3xl font-bold text-gray-900">Rs.{{ product()?.listPrice }}</span>
+              <span class="text-xs text-gray-400 ml-1"></span>
+            </div>
+            <button class="text-gray-400 hover:text-red-500">
+              <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path
+                  stroke-linecap="round"
+                  stroke-linejoin="round"
+                  stroke-width="1.5"
+                  d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"
+                ></path>
+              </svg>
+            </button>
+          </div>
+
+          <div class="flex mb-6 overflow-hidden">
+            <button class="px-4 py-2 btn btn-ghost rounded-r-none!">−</button>
+            <input
+              type="text"
+              value="1"
+              class="w-12 text-center btn btn-ghost rounded-none! border-x-0!"
+              readonly
+            />
+            <button class="px-4 py-2 btn btn-ghost rounded-l-none!">+</button>
+          </div>
+
+          <div class="flex flex-col gap-3">
+            <button class="w-full btn btn-ghost">Add to Cart</button>
+            <button class="w-full btn btn-primary">Buy Now</button>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>

src/app/features/product/show-product/show-product.spec.ts

@@ -0,0 +1,22 @@
+import { ComponentFixture, TestBed } from "@angular/core/testing";
+
+import { ShowProduct } from "./show-product";
+
+describe("ShowProduct", () => {
+  let component: ShowProduct;
+  let fixture: ComponentFixture<ShowProduct>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [ShowProduct],
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(ShowProduct);
+    component = fixture.componentInstance;
+    await fixture.whenStable();
+  });
+
+  it("should create", () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/features/product/show-product/show-product.ts

@@ -0,0 +1,40 @@
+import { Component, inject, Input, signal, WritableSignal } from "@angular/core";
+import { ProductModel } from "../../../core/models/product.model";
+import { ProductService } from "../services/product-service";
+import { LucideAngularModule, Heart, ArrowRight, ArrowLeft } from "lucide-angular";
+
+@Component({
+  selector: "app-show-product",
+  imports: [LucideAngularModule],
+  templateUrl: "./show-product.html",
+  styleUrl: "./show-product.css",
+})
+export class ShowProduct {
+  @Input() slug?: string;
+
+  HeartIcon = Heart;
+  ArrowRightIcon = ArrowRight;
+  ArrowLeftIcon = ArrowLeft;
+  productService = inject(ProductService);
+  product = signal<ProductModel | null>(null);
+  activeImageIndex: WritableSignal<number> = signal(0);
+  totalImageCount: number = 0;
+
+  ngOnInit() {
+    if (!this.slug) return;
+    this.productService.getProduct(this.slug).subscribe((data) => {
+      this.product.set(data.data);
+      this.totalImageCount = this.product()?.productImages?.length || 0;
+    });
+  }
+
+  nextImage() {
+    this.activeImageIndex.update((index) => (index + 1) % this.totalImageCount);
+  }
+  prevImage() {
+    this.activeImageIndex.update(
+      (index) =>
+        (index - 1 + this.product()?.productImages.length!) % this.product()?.productImages.length!,
+    );
+  }
+}

src/app/shared/components/error/error.ts

@@ -0,0 +1,49 @@
+import { Component, Input } from "@angular/core";
+import { AbstractControl } from "@angular/forms";
+import { UpperCaseFirstPipe } from "../../pipes/upper-case-first-pipe";
+
+@Component({
+  selector: "app-error",
+  imports: [UpperCaseFirstPipe],
+  template: `
+    <div class="min-h-4">
+      @if (this.control && this.control.touched) {
+        @for (error of getErrorMessages(); track error) {
+          <p class="ml-2 text-xs text-red-400">{{ error | upperCaseFirst }}</p>
+        }
+      }
+    </div>
+  `,
+})
+export class Error {
+  @Input() control!: AbstractControl | null;
+  @Input() fieldName = "This field";
+
+  getErrorMessages() {
+    const messages: string[] = [];
+
+    if (this.control && this.control.errors) {
+      const errors = this.control.errors;
+
+      if (errors["required"]) {
+        messages.push(`${this.fieldName} is required.`);
+      }
+      if (errors["email"]) {
+        messages.push(`Please enter a valid email address.`);
+      }
+      if (errors["minlength"]) {
+        messages.push(
+          `${this.fieldName} must be at least ${errors["minlength"].requiredLength} characters.`,
+        );
+      }
+      if (errors["pattern"]) {
+        messages.push(`${this.fieldName} is formatted incorrectly.`);
+      }
+      if (errors["serverError"]) {
+        messages.push(errors["serverError"]);
+      }
+    }
+
+    return messages;
+  }
+}

src/app/shared/components/image-input/image-input.html

@@ -0,0 +1,29 @@
+<div class="relative input-image input-image-ghost h-full w-full">
+  @if (bgImageUrl) {
+  <label
+    [for]="id"
+    [style.backgroundImage]="'url(' + bgImageUrl + ')'"
+    class="absolute inset-0 bg-cover bg-center bg-no-repeat p-4 w-full h-full flex flex-col space-y-4 justify-center items-center cursor-pointer rounded-xl"
+  >
+    <div class="absolute inset-0 bg-black/40 h-full rounded-xl"></div>
+
+    <lucide-angular [img]="cameraIcon" class="w-10 h-10 text-white stroke-1 z-10" />
+    <p class="text-white text-sm font-semibold z-10">Change image</p>
+  </label>
+  } @else {
+  <label
+    [for]="id"
+    class="absolute inset-0 p-4 w-full h-full flex flex-col space-y-4 justify-center items-center cursor-pointer hover:bg-gray-50 rounded-xl"
+  >
+    <lucide-angular [img]="cameraIcon" class="w-10 h-10 text-gray-400 stroke-1" />
+    <p class="text-gray-500 text-sm">Click to upload</p>
+  </label>
+  }
+  <input
+    (change)="handleFileSelect($event)"
+    [id]="id"
+    class="absolute opacity-0 w-full h-full top-0 right-0"
+    placeholder="Upload image"
+    type="file"
+  />
+</div>

src/app/shared/components/image-input/image-input.spec.ts

@@ -0,0 +1,22 @@
+import { ComponentFixture, TestBed } from "@angular/core/testing";
+
+import { ImageInput } from "./image-input";
+
+describe("ImageInput", () => {
+  let component: ImageInput;
+  let fixture: ComponentFixture<ImageInput>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [ImageInput],
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(ImageInput);
+    component = fixture.componentInstance;
+    await fixture.whenStable();
+  });
+
+  it("should create", () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/shared/components/image-input/image-input.ts

@@ -0,0 +1,26 @@
+import { Component, EventEmitter, Input, Output } from "@angular/core";
+import { Camera, LucideAngularModule } from "lucide-angular";
+import { ImageSelection } from "../../../features/product/add-product/add-product";
+
+@Component({
+  selector: "app-image-input",
+  imports: [LucideAngularModule],
+  templateUrl: "./image-input.html",
+  styleUrl: "./image-input.css",
+})
+export class ImageInput {
+  cameraIcon = Camera;
+
+  @Output() imageSelected = new EventEmitter<ImageSelection>();
+  @Input() id!: string;
+  @Input() bgImageUrl: string | undefined;
+
+  handleFileSelect(event: Event) {
+    const input = event.target as HTMLInputElement;
+    if (input.files && input.files[0]) {
+      const file = input.files[0];
+      const url = URL.createObjectURL(file);
+      this.imageSelected.emit({ id: this.id, url: url, file: file });
+    }
+  }
+}

src/app/shared/pipes/upper-case-first-pipe.spec.ts

@@ -0,0 +1,8 @@
+import { UpperCaseFirstPipe } from "./upper-case-first-pipe";
+
+describe("UpperCaseFirstPipe", () => {
+  it("create an instance", () => {
+    const pipe = new UpperCaseFirstPipe();
+    expect(pipe).toBeTruthy();
+  });
+});

src/app/shared/pipes/upper-case-first-pipe.ts

@@ -0,0 +1,10 @@
+import { Pipe, PipeTransform } from "@angular/core";
+
+@Pipe({
+  name: "upperCaseFirst",
+})
+export class UpperCaseFirstPipe implements PipeTransform {
+  transform(value: string): unknown {
+    return value.charAt(0).toUpperCase() + value.slice(1);
+  }
+}

src/app/src/app/shared/components/favorite-button/favorite-button.html

@@ -0,0 +1,13 @@
+<!--Favorite button -->
+<button
+  (click)="$event.stopPropagation(); toggleFavorite($event)"
+  class="transition-all duration-300 ease active:scale-80 hover:bg-gray-100 p-1 rounded-full flex items-center justify-center"
+>
+  <lucide-angular
+    [img]="HeartIcon"
+    [class.text-gray-500]="!isFavorite"
+    [class.text-red-400]="isFavorite"
+    [class]="isFavorite ? 'fill-red-500' : 'fill-none'"
+    class="w-4 h-4 transition-colors duration-200"
+  />
+</button>

src/app/src/app/shared/components/favorite-button/favorite-button.spec.ts

@@ -0,0 +1,22 @@
+import { ComponentFixture, TestBed } from "@angular/core/testing";
+
+import { FavoriteButton } from "./favorite-button";
+
+describe("FavoriteButton", () => {
+  let component: FavoriteButton;
+  let fixture: ComponentFixture<FavoriteButton>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [FavoriteButton],
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(FavoriteButton);
+    component = fixture.componentInstance;
+    await fixture.whenStable();
+  });
+
+  it("should create", () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/src/app/shared/components/favorite-button/favorite-button.ts

@@ -0,0 +1,34 @@
+import { Component, inject, Input } from "@angular/core";
+import { HeartIcon, LucideAngularModule } from "lucide-angular";
+import { FavoriteService } from "../../../../../core/services/favorite-service";
+
+@Component({
+  selector: "app-favorite-button",
+  imports: [LucideAngularModule],
+  templateUrl: "./favorite-button.html",
+  styleUrl: "./favorite-button.css",
+})
+export class FavoriteButton {
+  @Input({ required: true }) productId!: number;
+  @Input() isFavorite = false;
+
+  favoriteService = inject(FavoriteService);
+
+  HeartIcon = HeartIcon;
+
+  toggleFavorite(event: Event) {
+    event.stopPropagation();
+    this.isFavorite = !this.isFavorite;
+
+    this.favoriteService.toggle(this.productId).subscribe({
+      next: (response) => {
+        this.isFavorite = response.isFavorite;
+      },
+      error: (err) => {
+        console.error(err);
+        // Revert the state incase of error
+        this.isFavorite = !this.isFavorite;
+      },
+    });
+  }
+}

src/environments/environment.development.ts

@@ -1,4 +1,5 @@
 export const environment = {
   production: false,
-    apiUrl: 'http://localhost:8000/api',
+  apiUrl: "http://localhost:8000/api",
+  backendUrl: "http://localhost:8000",
 };

src/environments/environment.ts

@@ -1,4 +1,5 @@
 export const environment = {
   production: false,
-    apiUrl: 'http://my-dev-url',
+  apiUrl: "http://my-dev-url",
+  backendUrl: "http://my-dev-url",
 };

src/styles.css

@@ -13,7 +13,7 @@
 }
 
 body {
-  @apply bg-gray-100;
+  @apply bg-gray-100  antialiased m-0;
 }
 
 .wrapper {
@@ -21,7 +21,7 @@ body {
 }
 
 .btn {
-  @apply rounded-full transition-all duration-200 font-medium ease-out flex justify-center active:translate-y-[1px];
+  @apply rounded-xl py-2 transition-all duration-200 font-medium ease-out flex justify-center active:translate-y-px disabled:opacity-50 disabled:cursor-not-allowed;
 }
 
 .btn-ghost {
@@ -32,6 +32,10 @@ body {
   @apply text-gray-100 bg-gray-800 border border-gray-800 hover:bg-gray-200 hover:text-gray-800 hover:border-gray-400;
 }
 
+.btn-primary {
+  @apply text-gray-100 bg-blue-700 border border-blue-800 hover:bg-blue-200 hover:text-blue-800 hover:border-blue-400;
+}
+
 .card {
   @apply bg-gray-50 rounded-xl border border-gray-300 hover:border-gray-400 p-4 hover:shadow-xl transition-all duration-300 ease-in-out;
 }
@@ -39,6 +43,7 @@ body {
 .fieldset {
   @apply space-y-1;
 }
+
 .fieldset-legend {
   @apply text-xs font-bold ml-2 text-gray-800;
 }
@@ -51,6 +56,14 @@ body {
   @apply p-3 border border-gray-300 rounded-xl text-sm w-full;
 }
 
+.input-image {
+  @apply rounded-xl border bg-teal-100 border-teal-500 border-dashed;
+}
+
+.input-image-ghost {
+  @apply bg-gray-100 border-gray-300;
+}
+
 .dropdown {
   position-area: span-left bottom;
   @apply p-4 mt-2 border border-gray-300 shadow-lg rounded-xl space-y-2 text-gray-800;
@@ -59,3 +72,16 @@ body {
 .dropdown li {
   @apply rounded-lg hover:bg-linear-to-r hover:from-teal-300 hover:to-transparent px-5 py-1;
 }
+
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  @apply font-space text-gray-800;
+}
+
+h1 {
+  @apply text-3xl my-4 ml-2;
+}