feat: implement direct purchase functionality and enhance product buy events

src/app/shared/components/product-list/product-list.component.html

@@ -13,7 +13,7 @@
           [description]="item.descripcion ?? ''"
           [price]="price(item)"
           [variants]="variantsFor(item)"
-          (buy)="buy.emit(item)"
+          (buy)="emitRowBuy(item, $event)"
           (addToCart)="emitRowCart(item, $event)"
         />
       }
@@ -22,7 +22,7 @@
           [title]="item.nombre"
           [description]="item.descripcion ?? ''"
           [price]="price(item)"
-          (buy)="buy.emit(item)"
+          (buy)="emitColumnBuy(item, $event)"
           (addToCart)="emitColumnCart(item, $event)"
         />
       }
@@ -32,7 +32,7 @@
           [title]="item.nombre"
           [originalPrice]="price(item)"
           [imagePriority]="loadImages() && index < 4"
-          (buy)="buy.emit(item)"
+          (buy)="emitProductDetailBuy(item)"
         />
       }
     }

src/app/shared/components/product-list/product-list.component.ts

@@ -37,6 +37,13 @@ export interface ProductListCartEvent {
   variant?: number | null;
 }
 
+export interface ProductListBuyEvent {
+  product: ProductListItem;
+  quantity: number;
+  variant?: number | null;
+  directPurchase: boolean;
+}
+
 @Component({
   selector: 'app-product-list',
   imports: [
@@ -61,7 +68,7 @@ export class ProductListComponent {
   readonly loading = input(false);
   readonly loadImages = input(true);
 
-  readonly buy = output<ProductListItem>();
+  readonly buy = output<ProductListBuyEvent>();
   readonly addToCart = output<ProductListCartEvent>();
   readonly pageChange = output<number>();
 
@@ -119,4 +126,24 @@ export class ProductListComponent {
   protected emitColumnCart(product: ProductListItem, event: { quantity: number }): void {
     this.addToCart.emit({ product, quantity: event.quantity });
   }
+
+  protected emitRowBuy(
+    product: ProductListItem,
+    event: { quantity: number; variant: unknown },
+  ): void {
+    this.buy.emit({
+      product,
+      quantity: event.quantity,
+      variant: typeof event.variant === 'number' ? event.variant : null,
+      directPurchase: true,
+    });
+  }
+
+  protected emitColumnBuy(product: ProductListItem, event: { quantity: number }): void {
+    this.buy.emit({ product, quantity: event.quantity, variant: null, directPurchase: true });
+  }
+
+  protected emitProductDetailBuy(product: ProductListItem): void {
+    this.buy.emit({ product, quantity: 1, variant: null, directPurchase: false });
+  }
 }

src/app/shared/components/product-row-card/product-row-card.component.html

@@ -19,7 +19,7 @@
         {{ formattedPrice() }}
       </span>
       <div class="product-row-card__btn-wrapper">
-        <app-button variant="primary" (click)="buy.emit()">
+        <app-button variant="primary" (click)="onBuy()">
           Comprar
         </app-button>
       </div>

src/app/shared/components/product-row-card/product-row-card.component.ts

@@ -28,7 +28,7 @@ export class ProductRowCardComponent {
   readonly selectedVariant = model<any>(null);
 
   // Interactive events
-  readonly buy = output<void>();
+  readonly buy = output<{ quantity: number; variant: any }>();
   readonly addToCart = output<{ quantity: number; variant: any }>();
 
   constructor() {
@@ -57,6 +57,13 @@ export class ProductRowCardComponent {
     });
   }
 
+  protected onBuy(): void {
+    this.buy.emit({
+      quantity: this.quantity(),
+      variant: this.selectedVariant(),
+    });
+  }
+
   /**
    * Helper method to format currency numbers to Argentine Pesos style "$ XX.XXX".
    */

src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.html

@@ -14,7 +14,7 @@
     </div>
 
     <div class="product-vertical-with-cart-card__actions">
-      <app-button variant="primary" (click)="buy.emit()">Comprar</app-button>
+      <app-button variant="primary" (click)="onBuy()">Comprar</app-button>
       <app-button variant="secondary" (click)="onAddToCart()"> Agregar al carrito </app-button>
     </div>
   </div>

src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.ts

@@ -17,7 +17,7 @@ export class ProductVerticalWithCartCardComponent {
 
   readonly quantity = model<number>(1);
 
-  readonly buy = output<void>();
+  readonly buy = output<{ quantity: number }>();
   readonly addToCart = output<{ quantity: number }>();
 
   protected readonly formattedPrice = computed(() => this.formatCurrency(this.price()));
@@ -26,6 +26,10 @@ export class ProductVerticalWithCartCardComponent {
     this.addToCart.emit({ quantity: this.quantity() });
   }
 
+  protected onBuy(): void {
+    this.buy.emit({ quantity: this.quantity() });
+  }
+
   private formatCurrency(value: number): string {
     const rounded = Math.round(value);
     const parts = rounded.toString().split('.');