feat: implement direct purchase functionality and enhance product buy events

src/app/features/store/pages/search-page/search-page.component.ts

@@ -12,6 +12,8 @@ import { catchError, distinctUntilChanged, map, of, switchMap, tap } from 'rxjs'
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
 
 import { CartService } from '../../../../core/services/cart/cart.service';
+import { AuthService } from '../../../../core/services/auth/auth.service';
+import { CheckoutService } from '../../../../core/services/checkout.service';
 import {
   CatalogFeaturedItem,
   CatalogFeaturedItems,
@@ -24,6 +26,7 @@ import { TenantService } from '../../../../core/services/tenant.service';
 import { ToastService } from '../../../../core/services/toast.service';
 import {
   ProductListCartEvent,
+  ProductListBuyEvent,
   ProductListComponent,
   ProductListItem,
 } from '../../../../shared/components/product-list/product-list.component';
@@ -43,7 +46,9 @@ interface SearchRouteState {
 export class SearchPageComponent {
   private readonly minSearchLength = 3;
   private readonly cartService = inject(CartService);
+  private readonly authService = inject(AuthService);
   private readonly catalogService = inject(CatalogService);
+  private readonly checkoutService = inject(CheckoutService);
   private readonly destroyRef = inject(DestroyRef);
   private readonly route = inject(ActivatedRoute);
   private readonly router = inject(Router);
@@ -54,6 +59,7 @@ export class SearchPageComponent {
   protected readonly results = signal<ApiPaginatedResponse<CatalogFeaturedItem[]> | null>(null);
   protected readonly loading = signal(false);
   protected readonly error = signal<string | null>(null);
+  protected readonly creatingDirectPurchase = signal(false);
 
   protected readonly productLayout = computed<CatalogProductLayout>(
     () => this.tenantService.tenant()?.search_product_layout ?? 'column_with_image',
@@ -131,8 +137,45 @@ export class SearchPageComponent {
     });
   }
 
-  protected onBuyProduct(product: ProductListItem): void {
-    void this.router.navigate(['/producto', product.id]);
+  protected async onBuyProduct(event: ProductListBuyEvent): Promise<void> {
+    if (!event.directPurchase) {
+      await this.router.navigate(['/producto', event.product.id]);
+      return;
+    }
+
+    if (this.creatingDirectPurchase()) {
+      return;
+    }
+
+    if (!this.authService.user()) {
+      await this.router.navigate(['/login'], {
+        queryParams: { returnUrl: `/producto/${event.product.id}` },
+      });
+      return;
+    }
+
+    const tenant = this.tenantService.tenant();
+    if (!tenant) {
+      this.toastService.danger('No se pudo identificar la tienda.');
+      return;
+    }
+
+    this.creatingDirectPurchase.set(true);
+    try {
+      const purchase = await this.checkoutService.startCheckout(tenant.codigo, {
+        direct_item: {
+          catalog_item_id: event.product.id,
+          variant_id: event.variant ?? null,
+          cantidad: event.quantity,
+        },
+      });
+      await this.router.navigate(['/checkout'], { queryParams: { purchase: purchase.id } });
+    } catch (error) {
+      console.error('Failed to create direct purchase:', error);
+      this.toastService.danger('No se pudo iniciar la compra directa.');
+    } finally {
+      this.creatingDirectPurchase.set(false);
+    }
   }
 
   protected onAddToCart(event: ProductListCartEvent): void {

src/app/features/store/pages/store-home-page/store-home-page.component.ts

@@ -12,13 +12,16 @@ import { ActivatedRoute, Router } from '@angular/router';
 import { Subscription } from 'rxjs';
 
 import { CartService } from '../../../../core/services/cart/cart.service';
+import { AuthService } from '../../../../core/services/auth/auth.service';
 import { CatalogFeaturedGroup } from '../../../../core/services/catalog/catalog.interface';
 import { CatalogService } from '../../../../core/services/catalog/catalog.service';
 import { TenantService } from '../../../../core/services/tenant.service';
 import { ToastService } from '../../../../core/services/toast.service';
+import { CheckoutService } from '../../../../core/services/checkout.service';
 import {
   ProductListComponent,
   ProductListCartEvent,
+  ProductListBuyEvent,
   ProductListItem,
 } from '../../../../shared/components/product-list/product-list.component';
 import { HeroBannerComponent } from '../../../../shared/components/hero-banner/hero-banner.component';
@@ -43,7 +46,9 @@ import {
 })
 export class StoreHomePageComponent implements OnInit, OnDestroy {
   private readonly cartService = inject(CartService);
+  private readonly authService = inject(AuthService);
   private readonly catalogService = inject(CatalogService);
+  private readonly checkoutService = inject(CheckoutService);
   private readonly route = inject(ActivatedRoute);
   private readonly router = inject(Router);
   private readonly tenantService = inject(TenantService);
@@ -55,6 +60,7 @@ export class StoreHomePageComponent implements OnInit, OnDestroy {
   protected readonly loadingGroupIds = signal<ReadonlySet<number>>(new Set());
   protected readonly error = signal<string | null>(null);
   protected readonly mainCarouselReady = signal(false);
+  protected readonly creatingDirectPurchase = signal(false);
   protected readonly hasMainCarouselImages = computed(
     () => (this.tenant()?.main_carousel_images?.length ?? 0) > 0,
   );
@@ -118,8 +124,45 @@ export class StoreHomePageComponent implements OnInit, OnDestroy {
     this.groupRequestSubscriptions.set(groupId, subscription);
   }
 
-  protected onBuyProduct(product: ProductListItem): void {
-    this.router.navigate(['/producto', product.id]);
+  protected async onBuyProduct(event: ProductListBuyEvent): Promise<void> {
+    if (!event.directPurchase) {
+      await this.router.navigate(['/producto', event.product.id]);
+      return;
+    }
+
+    if (this.creatingDirectPurchase()) {
+      return;
+    }
+
+    if (!this.authService.user()) {
+      await this.router.navigate(['/login'], {
+        queryParams: { returnUrl: `/producto/${event.product.id}` },
+      });
+      return;
+    }
+
+    const tenant = this.tenantService.tenant();
+    if (!tenant) {
+      this.toastService.danger('No se pudo identificar la tienda.');
+      return;
+    }
+
+    this.creatingDirectPurchase.set(true);
+    try {
+      const purchase = await this.checkoutService.startCheckout(tenant.codigo, {
+        direct_item: {
+          catalog_item_id: event.product.id,
+          variant_id: event.variant ?? null,
+          cantidad: event.quantity,
+        },
+      });
+      await this.router.navigate(['/checkout'], { queryParams: { purchase: purchase.id } });
+    } catch (error) {
+      console.error('Failed to create direct purchase:', error);
+      this.toastService.danger('No se pudo iniciar la compra directa.');
+    } finally {
+      this.creatingDirectPurchase.set(false);
+    }
   }
 
   protected onAddToCart(event: ProductListCartEvent): void {