test(catalog): cover global availability behavior

feat(catalog): consume global availability decisions
test(catalog): update availability contract fixtures
2026-08-25 09:03:32 -03:00 · 2026-08-25 09:03:23 -03:00 · 2026-08-24 15:16:13 -03:00 · 2026-08-24 15:16:00 -03:00 · 2026-08-24 14:33:25 -03:00 · 2026-08-24 14:33:11 -03:00
23 changed files with 538 additions and 158 deletions
--- a/src/app/core/services/catalog/catalog-availability.spec.ts
+++ b/src/app/core/services/catalog/catalog-availability.spec.ts
@@ -0,0 +1,59 @@
+import { describe, expect, it } from 'vitest';
+
+import { CatalogAvailability } from './catalog.interface';
+import {
+  allowsCatalogAction,
+  combineCatalogAvailability,
+  createCatalogAvailability,
+  maximumCatalogQuantity,
+} from './catalog-availability';
+
+describe('catalog availability', () => {
+  it('represents hidden items without irrelevant actions or quantities', () => {
+    const availability = createCatalogAvailability(0);
+
+    expect(availability).toEqual({
+      state: 'hidden',
+      reasons: [
+        {
+          code: 'out_of_stock',
+          message: 'Este producto no tiene stock disponible.',
+        },
+      ],
+    });
+    expect(allowsCatalogAction(availability, 'buy_now')).toBe(false);
+    expect(maximumCatalogQuantity(availability)).toBe(0);
+  });
+
+  it('intersects product and variant actions and quantities', () => {
+    const product: CatalogAvailability = {
+      state: 'visible',
+      maximum_quantity: 3,
+      allowed_actions: ['select_variant', 'change_quantity'],
+      reasons: [{ code: 'limited', message: 'Corregí la selección.' }],
+    };
+    const variant: CatalogAvailability = {
+      state: 'visible',
+      maximum_quantity: 2,
+      allowed_actions: ['change_quantity', 'add_to_cart'],
+      reasons: [],
+    };
+
+    expect(combineCatalogAvailability(product, variant)).toEqual({
+      state: 'visible',
+      maximum_quantity: 2,
+      allowed_actions: ['change_quantity'],
+      reasons: [{ code: 'limited', message: 'Corregí la selección.' }],
+    });
+  });
+
+  it('lets a hidden decision win composition', () => {
+    const availability = combineCatalogAvailability(
+      createCatalogAvailability(5),
+      createCatalogAvailability(0),
+    );
+
+    expect(availability.state).toBe('hidden');
+    expect(allowsCatalogAction(availability, 'add_to_cart')).toBe(false);
+  });
+});
--- a/src/app/core/services/catalog/catalog-availability.ts
+++ b/src/app/core/services/catalog/catalog-availability.ts
@@ -0,0 +1,80 @@
+import { CatalogAction, CatalogAvailability } from './catalog.interface';
+
+const ALL_CATALOG_ACTIONS: CatalogAction[] = [
+  'select_variant',
+  'change_quantity',
+  'add_to_cart',
+  'buy_now',
+];
+
+export const AVAILABLE_CATALOG_AVAILABILITY: CatalogAvailability = {
+  state: 'visible',
+  maximum_quantity: null,
+  allowed_actions: ALL_CATALOG_ACTIONS,
+  reasons: [],
+};
+
+export function createCatalogAvailability(maximumQuantity: number | null): CatalogAvailability {
+  const unavailable = maximumQuantity === 0;
+
+  if (unavailable) {
+    return {
+      state: 'hidden',
+      reasons: [
+        {
+          code: 'out_of_stock',
+          message: 'Este producto no tiene stock disponible.',
+        },
+      ],
+    };
+  }
+
+  return {
+    state: 'visible',
+    maximum_quantity: maximumQuantity,
+    allowed_actions: [...ALL_CATALOG_ACTIONS],
+    reasons: [],
+  };
+}
+
+export function primaryAvailabilityMessage(availability: CatalogAvailability): string | null {
+  return availability.reasons[0]?.message ?? null;
+}
+
+export function allowsCatalogAction(
+  availability: CatalogAvailability,
+  action: CatalogAction,
+): boolean {
+  return availability.state === 'visible' && availability.allowed_actions.includes(action);
+}
+
+export function maximumCatalogQuantity(availability: CatalogAvailability): number | null {
+  return availability.state === 'visible' ? availability.maximum_quantity : 0;
+}
+
+export function combineCatalogAvailability(
+  product: CatalogAvailability,
+  variant?: CatalogAvailability | null,
+): CatalogAvailability {
+  if (!variant) return product;
+
+  const reasons = [...product.reasons, ...variant.reasons];
+  if (product.state === 'hidden' || variant.state === 'hidden') {
+    return { state: 'hidden', reasons };
+  }
+
+  return {
+    state: 'visible',
+    maximum_quantity: minimumNullable(product.maximum_quantity, variant.maximum_quantity),
+    allowed_actions: product.allowed_actions.filter((action) =>
+      variant.allowed_actions.includes(action),
+    ),
+    reasons,
+  };
+}
+
+function minimumNullable(left: number | null, right: number | null): number | null {
+  if (left === null) return right;
+  if (right === null) return left;
+  return Math.min(left, right);
+}
--- a/src/app/core/services/catalog/catalog.interface.ts
+++ b/src/app/core/services/catalog/catalog.interface.ts
@@ -49,6 +49,25 @@ export interface ProductAttribute {

 export type InventoryPolicy = 'tracked' | 'unlimited';

+export interface CatalogRestriction {
+  code: 'out_of_stock' | 'user_quota_reached' | string;
+  message: string;
+}
+
+export type CatalogAction = 'select_variant' | 'change_quantity' | 'add_to_cart' | 'buy_now';
+
+export type CatalogAvailability =
+  | {
+      state: 'hidden';
+      reasons: CatalogRestriction[];
+    }
+  | {
+      state: 'visible';
+      maximum_quantity: number | null;
+      allowed_actions: CatalogAction[];
+      reasons: CatalogRestriction[];
+    };
+
 export interface CatalogVariantOption {
  value: string;
  label: string;
@@ -66,8 +85,7 @@ export interface CatalogItemVariant {
  event_date_id?: number | null;
  event_date_ids?: number[];
  event_dates?: string[];
-  maximum_addable_quantity?: number | null;
-  unavailable_message?: string | null;
+  availability: CatalogAvailability;
  minimum_use_date?: string | null;
  maximum_use_date?: string | null;
  effective_minimum_use_date?: string | null;
@@ -99,7 +117,7 @@ export interface CatalogItemDetail {
  attributes: ProductAttribute[];
  variants: CatalogItemVariant[];
  selected_variant?: SelectedCatalogItemVariant;
-  maximum_addable_quantity?: number | null;
+  availability: CatalogAvailability;
  images?: string[];
 }

@@ -114,8 +132,7 @@ export interface CatalogFeaturedItemVariant {
  id: number;
  descripcion?: string | null;
  precio?: string;
-  maximum_addable_quantity?: number | null;
-  unavailable_message?: string | null;
+  availability: CatalogAvailability;
  values: Record<string, CatalogVariantValue>;
 }

@@ -147,8 +164,7 @@ export interface CatalogFeaturedItem {
  descripcion?: string | null;
  precio: number | string;
  image?: string | null;
-  maximum_addable_quantity?: number | null;
-  unavailable_message?: string | null;
+  availability: CatalogAvailability;
  variants?: CatalogFeaturedItemVariant[];
 }

--- a/src/app/features/componentes-test/pages/reutilizables-test-page/reutilizables-test-page.component.ts
+++ b/src/app/features/componentes-test/pages/reutilizables-test-page/reutilizables-test-page.component.ts
@@ -13,6 +13,7 @@ import { StoreSectionComponent } from '../../../../shared/components/store-secti
 import { ModalService } from '../../../../core/services/modal.service';
 import { TenantService } from '../../../../core/services/tenant.service';
 import { ToastService } from '../../../../core/services/toast.service';
+import { createCatalogAvailability } from '../../../../core/services/catalog/catalog-availability';
 import { StepperComponent } from '../../../../shared/components/stepper/stepper.component';
 import { StepComponent } from '../../../../shared/components/stepper/step.component';
 import { CarouselComponent } from '../../../../shared/components/carousel/carousel.component';
@@ -232,7 +233,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1001,
        precio: 250000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
          sector: ticketOption('a', 'Sector A'),
@@ -243,7 +244,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1002,
        precio: 250000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
          sector: ticketOption('a', 'Sector A'),
@@ -254,7 +255,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1003,
        precio: 250000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
          sector: ticketOption('c', 'Sector C'),
@@ -265,7 +266,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1004,
        precio: 200000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
          sector: ticketOption('a', 'Sector A'),
@@ -276,7 +277,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1005,
        precio: 200000,
-        maximum_addable_quantity: 0,
+        availability: createCatalogAvailability(0),
        values: {
          tipo: ticketOption('vip_lunch', 'VIP + Lunch'),
          sector: ticketOption('a', 'Sector A'),
@@ -287,7 +288,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1006,
        precio: 100000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('general', 'General'),
          sector: ticketOption('b', 'Sector B'),
@@ -298,7 +299,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1007,
        precio: 100000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('general', 'General'),
          sector: ticketOption('b', 'Sector B'),
@@ -309,7 +310,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1008,
        precio: 90000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('general', 'General'),
          sector: ticketOption('d', 'Sector D'),
@@ -320,7 +321,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1009,
        precio: 65000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('general', 'General'),
          sector: ticketOption('d', 'Sector D'),
@@ -331,7 +332,7 @@ export class ReutilizablesTestPageComponent {
      {
        id: 1010,
        precio: 40000,
-        maximum_addable_quantity: 1,
+        availability: createCatalogAvailability(1),
        values: {
          tipo: ticketOption('general', 'General'),
          sector: ticketOption('d', 'Sector D'),
--- a/src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.html
+++ b/src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.html
@@ -17,7 +17,7 @@
              [attr.aria-label]="option.label"
              [attr.aria-pressed]="hasSelectedOption(attribute, option)"
              [title]="option.label"
-              [disabled]="!availableOptions()[attribute.codigo][option.id]"
+              [disabled]="disabled() || !availableOptions()[attribute.codigo][option.id]"
              (click)="selectAttributeOption(attribute, option)"
            >
              <span class="visually-hidden">{{ option.label }}</span>
@@ -33,7 +33,7 @@
                !availableOptions()[attribute.codigo][option.id]
              "
              [attr.aria-pressed]="hasSelectedOption(attribute, option)"
-              [disabled]="!availableOptions()[attribute.codigo][option.id]"
+              [disabled]="disabled() || !availableOptions()[attribute.codigo][option.id]"
              (click)="selectAttributeOption(attribute, option)"
            >
              {{ option.label }}
--- a/src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.spec.ts
+++ b/src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.spec.ts
@@ -2,6 +2,7 @@ import { TestBed } from '@angular/core/testing';
 import { beforeEach, describe, expect, it } from 'vitest';

 import { ProductAttribute } from '../../../../core/services/catalog/catalog.interface';
+import { createCatalogAvailability } from '../../../../core/services/catalog/catalog-availability';
 import { ProductAttributeSelectorComponent } from './product-attribute-selector.component';

 describe('ProductAttributeSelectorComponent', () => {
@@ -31,7 +32,7 @@ describe('ProductAttributeSelectorComponent', () => {
    fixture.componentRef.setInput('variants', [
      {
        id: 1,
-        maximum_addable_quantity: null,
+        availability: createCatalogAvailability(null),
        values: { size: 'S' },
      },
    ]);
@@ -51,12 +52,12 @@ describe('ProductAttributeSelectorComponent', () => {
    fixture.componentRef.setInput('variants', [
      {
        id: 1,
-        maximum_addable_quantity: 0,
+        availability: createCatalogAvailability(0),
        values: { size: 'S' },
      },
      {
        id: 2,
-        maximum_addable_quantity: 2,
+        availability: createCatalogAvailability(2),
        values: { size: 'M' },
      },
    ]);
@@ -92,9 +93,9 @@ describe('ProductAttributeSelectorComponent', () => {
    ]);
    fixture.componentRef.setInput('inventoryPolicy', 'unlimited');
    fixture.componentRef.setInput('variants', [
-      { id: 1, maximum_addable_quantity: null, values: { event_date: '1' } },
-      { id: 2, maximum_addable_quantity: null, values: { event_date: '2' } },
-      { id: 3, maximum_addable_quantity: null, values: { event_date: ['1', '2'] } },
+      { id: 1, availability: createCatalogAvailability(null), values: { event_date: '1' } },
+      { id: 2, availability: createCatalogAvailability(null), values: { event_date: '2' } },
+      { id: 3, availability: createCatalogAvailability(null), values: { event_date: ['1', '2'] } },
    ]);
    fixture.detectChanges();

@@ -135,8 +136,16 @@ describe('ProductAttributeSelectorComponent', () => {
    ]);
    fixture.componentRef.setInput('inventoryPolicy', 'unlimited');
    fixture.componentRef.setInput('variants', [
-      { id: 1, maximum_addable_quantity: null, values: { size: 'S', internal_type: 'adult' } },
-      { id: 2, maximum_addable_quantity: null, values: { size: 'M', internal_type: 'child' } },
+      {
+        id: 1,
+        availability: createCatalogAvailability(null),
+        values: { size: 'S', internal_type: 'adult' },
+      },
+      {
+        id: 2,
+        availability: createCatalogAvailability(null),
+        values: { size: 'M', internal_type: 'child' },
+      },
    ]);
    fixture.detectChanges();

--- a/src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.ts
+++ b/src/app/features/store/components/product-attribute-selector/product-attribute-selector.component.ts
@@ -15,6 +15,7 @@ import {
  ProductAttribute,
  ProductAttributeOption,
 } from '../../../../core/services/catalog/catalog.interface';
+import { allowsCatalogAction } from '../../../../core/services/catalog/catalog-availability';

@Component({
  selector: 'app-product-attribute-selector',
@@ -29,6 +30,7 @@ export class ProductAttributeSelectorComponent {
  public variants = input<CatalogItemVariant[]>([]);
  public selectedVariant = input<CatalogItemVariant | null>(null);
  public inventoryPolicy = input.required<InventoryPolicy>();
+  public disabled = input(false);

  public variantChange = output<CatalogItemVariant | null>();

@@ -51,22 +53,15 @@ export class ProductAttributeSelectorComponent {
        const optionNormalized = this.normalizeText(option.value || option.label);
        const selectedForAttribute = selections[attribute.codigo] ?? [];

-        if (
-          !attribute.allow_multi_select &&
-          selectedForAttribute.length >= 1 &&
-          !selectedForAttribute.includes(option.id)
-        ) {
-          availability[attribute.codigo][option.id] = false;
-          continue;
-        }
-
        const isAvailable = variants.some((variant) => {
          if (!this.isVariantAvailable(variant)) return false;

          const variantAttrValues = this.getVariantAttributeValues(attribute, variant.values);
-          const desiredOptionIds = selectedForAttribute.includes(option.id)
-            ? selectedForAttribute
-            : [...selectedForAttribute, option.id];
+          const desiredOptionIds = attribute.allow_multi_select
+            ? selectedForAttribute.includes(option.id)
+              ? selectedForAttribute
+              : [...selectedForAttribute, option.id]
+            : [option.id];
          const desiredValues = desiredOptionIds
            .map((id) => attribute.options.find((candidate) => candidate.id === id))
            .filter((candidate): candidate is ProductAttributeOption => candidate !== undefined)
@@ -137,6 +132,8 @@ export class ProductAttributeSelectorComponent {
    attribute: ProductAttribute,
    option: ProductAttributeOption,
  ): void {
+    if (this.disabled()) return;
+
    this.selectedAttributeOptions.update((current) => {
      const selected = current[attribute.codigo] ?? [];
      const isMultiple = attribute.allow_multi_select ?? false;
@@ -186,7 +183,15 @@ export class ProductAttributeSelectorComponent {
      return [];
    }

-    const defaultValues = this.getVariantAttributeValues(attribute, variant.values);
+    const defaultValues =
+      attribute.type === 'event_date'
+        ? (
+            variant.event_date_ids ??
+            (variant.event_date_id === null || variant.event_date_id === undefined
+              ? []
+              : [variant.event_date_id])
+          ).map(String)
+        : this.getVariantAttributeValues(attribute, variant.values);
    if (defaultValues.length === 0) {
      return [];
    }
@@ -215,6 +220,17 @@ export class ProductAttributeSelectorComponent {
      }
    }

+    if (attribute.type === 'event_date') {
+      const variant = this.variants().find((candidate) => candidate.values === variantAttributes);
+      const eventDateIds =
+        variant?.event_date_ids ??
+        (variant?.event_date_id === null || variant?.event_date_id === undefined
+          ? []
+          : [variant.event_date_id]);
+
+      return eventDateIds.map(String);
+    }
+
    return [];
  }

@@ -227,7 +243,7 @@ export class ProductAttributeSelectorComponent {
  }

  private isVariantAvailable(variant: CatalogItemVariant): boolean {
-    return variant.maximum_addable_quantity !== 0;
+    return allowsCatalogAction(variant.availability, 'select_variant');
  }

  private findFirstHexValue(value: unknown): string | null {
--- a/src/app/features/store/pages/product-detail-page/product-detail-page.component.html
+++ b/src/app/features/store/pages/product-detail-page/product-detail-page.component.html
@@ -44,6 +44,7 @@
                [variants]="prod.variants"
                [selectedVariant]="prod.selected_variant ?? null"
                [inventoryPolicy]="prod.inventory_policy"
+                [disabled]="!allows(prod.availability, 'select_variant')"
                (variantChange)="onVariantChange($event)"
              />
            </section>
@@ -53,14 +54,22 @@

          <section class="product-detail__section">
            <div class="product-detail__purchase">
-              <app-quantity-selector [(quantity)]="quantity" [max]="selectedVariantMax()" />
+              @if (restrictionMessage(); as message) {
+                <p class="mb-0 text-danger" role="status">{{ message }}</p>
+              }
+
+              <app-quantity-selector
+                [(quantity)]="quantity"
+                [max]="selectedVariantMax()"
+                [disabled]="!allows(effectiveAvailability(), 'change_quantity')"
+              />

              <div class="product-detail__actions">
                <app-button
                  class="product-detail__cta"
                  variant="secondary"
                  type="button"
-                  [disabled]="!selectedVariantAvailable() || variantLoading() || addingToCart()"
+                  [disabled]="!canAddToCart() || variantLoading() || addingToCart()"
                  (click)="addToCart()"
                >
                  @if (addingToCart()) {
@@ -75,9 +84,7 @@
                <app-button
                  class="product-detail__cta"
                  type="button"
-                  [disabled]="
-                    !selectedVariantAvailable() || variantLoading() || creatingDirectPurchase()
-                  "
+                  [disabled]="!canBuyNow() || variantLoading() || creatingDirectPurchase()"
                  (click)="buyNow()"
                >
                  @if (variantLoading() || creatingDirectPurchase()) {
--- a/src/app/features/store/pages/product-detail-page/product-detail-page.component.spec.ts
+++ b/src/app/features/store/pages/product-detail-page/product-detail-page.component.spec.ts
@@ -10,6 +10,7 @@ import { beforeAll, beforeEach, describe, expect, it, vi } from 'vitest';
 import { CatalogItemDetail } from '../../../../core/services/catalog/catalog.interface';
 import { CatalogService } from '../../../../core/services/catalog/catalog.service';
 import { CatalogAvailabilityService } from '../../../../core/services/catalog/catalog-availability.service';
+import { createCatalogAvailability } from '../../../../core/services/catalog/catalog-availability';
 import { CartService } from '../../../../core/services/cart/cart.service';
 import { ToastService } from '../../../../core/services/toast.service';
 import { ProductDetailPageComponent } from './product-detail-page.component';
@@ -38,7 +39,7 @@ describe('ProductDetailPageComponent', () => {
    has_tickets: false,
    minimum_use_date: null,
    maximum_use_date: null,
-    maximum_addable_quantity: 10,
+    availability: createCatalogAvailability(10),
    attributes: [],
    variants: [],
  };
@@ -179,7 +180,7 @@ describe('ProductDetailPageComponent', () => {

  it('reloads product availability when the cart changes', async () => {
    catalogServiceStub.getCatalogItem.mockReturnValue(
-      of({ ...mockProduct, maximum_addable_quantity: 4 }),
+      of({ ...mockProduct, availability: createCatalogAvailability(4) }),
    );
    await configureTestingModule();
    const fixture = TestBed.createComponent(ProductDetailPageComponent);
@@ -192,6 +193,21 @@ describe('ProductDetailPageComponent', () => {
    expect(fixture.componentInstance['selectedVariantMax']()).toBe(4);
  });

+  it('stops presenting a product that becomes hidden during an availability refresh', async () => {
+    catalogServiceStub.getCatalogItem.mockReturnValue(
+      throwError(() => new HttpErrorResponse({ status: 404 })),
+    );
+    await configureTestingModule();
+    const fixture = TestBed.createComponent(ProductDetailPageComponent);
+    fixture.detectChanges();
+
+    TestBed.inject(CatalogAvailabilityService).notifyAvailabilityChanged();
+    fixture.detectChanges();
+
+    expect(fixture.componentInstance['product']()).toBeNull();
+    expect(fixture.nativeElement.textContent).toContain('Este producto ya no está disponible.');
+  });
+
  it('shows error message if the resolver cannot load the product', async () => {
    resolveProductError(PRODUCT_DETAIL_ERROR_MESSAGE);
    await configureTestingModule();
@@ -207,10 +223,10 @@ describe('ProductDetailPageComponent', () => {
    const detailProduct: CatalogItemDetail = {
      ...mockProduct,
      images: ['https://example.com/product.png'],
-      variants: [{ id: 123, maximum_addable_quantity: 10, values: {} }],
+      variants: [{ id: 123, availability: createCatalogAvailability(10), values: {} }],
      selected_variant: {
        id: 123,
-        maximum_addable_quantity: 10,
+        availability: createCatalogAvailability(10),
        images: ['https://example.com/variant1.png', 'https://example.com/variant2.png'],
        values: {},
      },
@@ -312,11 +328,15 @@ describe('ProductDetailPageComponent', () => {
        },
      ],
      variants: [
-        { id: 123, maximum_addable_quantity: 10, values: { color: 'beige', material: 'Cuero' } },
+        {
+          id: 123,
+          availability: createCatalogAvailability(10),
+          values: { color: 'beige', material: 'Cuero' },
+        },
      ],
      selected_variant: {
        id: 123,
-        maximum_addable_quantity: 10,
+        availability: createCatalogAvailability(10),
        images: ['https://example.com/variant1.png'],
        values: {
          color: 'beige',
@@ -353,8 +373,18 @@ describe('ProductDetailPageComponent', () => {
      purpose: 'entry',
      has_tickets: true,
      variants: [
-        { id: 101, event_date_id: 20, maximum_addable_quantity: 10, values: { event_date: '20' } },
-        { id: 102, event_date_id: 21, maximum_addable_quantity: 10, values: { event_date: '21' } },
+        {
+          id: 101,
+          event_date_id: 20,
+          availability: createCatalogAvailability(10),
+          values: { event_date: '20' },
+        },
+        {
+          id: 102,
+          event_date_id: 21,
+          availability: createCatalogAvailability(10),
+          values: { event_date: '21' },
+        },
      ],
      attributes: [
        {
@@ -385,7 +415,7 @@ describe('ProductDetailPageComponent', () => {
      selected_variant: {
        id: 101,
        event_date_id: 20,
-        maximum_addable_quantity: 10,
+        availability: createCatalogAvailability(10),
        images: [],
        values: {},
      },
@@ -407,6 +437,8 @@ describe('ProductDetailPageComponent', () => {

    options[1].click();
    fixture.detectChanges();
+    await fixture.whenStable();
+    fixture.detectChanges();

    expect(catalogServiceStub.getCatalogItem).toHaveBeenCalledWith(1, 102);
  });
@@ -429,7 +461,7 @@ describe('ProductDetailPageComponent', () => {

    fixture.componentInstance['selectedVariant'].set({
      id: 1,
-      maximum_addable_quantity: 10,
+      availability: createCatalogAvailability(10),
      values: {},
    });
    fixture.detectChanges();
@@ -519,7 +551,7 @@ describe('ProductDetailPageComponent', () => {
        error: {
          code: 'purchase.limit_exceeded',
          message: 'Podés agregar hasta 2 unidades más de “Auriculares Bluetooth”.',
-          maximum_addable_quantity: 2,
+          availability: createCatalogAvailability(2),
        },
      }),
    );
@@ -544,13 +576,13 @@ describe('ProductDetailPageComponent', () => {
      variants: [
        {
          id: 123,
-          maximum_addable_quantity: 5,
+          availability: createCatalogAvailability(5),
          values: {},
        },
      ],
      selected_variant: {
        id: 123,
-        maximum_addable_quantity: 5,
+        availability: createCatalogAvailability(5),
        images: [],
        values: {},
      },
@@ -583,7 +615,7 @@ describe('ProductDetailPageComponent', () => {
    resolveProduct({
      ...mockProduct,
      variants: [],
-      maximum_addable_quantity: 4,
+      availability: createCatalogAvailability(4),
    });

    await configureTestingModule();
@@ -609,13 +641,13 @@ describe('ProductDetailPageComponent', () => {
      variants: [
        {
          id: 123,
-          maximum_addable_quantity: 5,
+          availability: createCatalogAvailability(5),
          values: {},
        },
      ],
      selected_variant: {
        id: 123,
-        maximum_addable_quantity: 5,
+        availability: createCatalogAvailability(5),
        images: [],
        values: {},
      },
@@ -647,7 +679,7 @@ describe('ProductDetailPageComponent', () => {
  it('allows unlimited variants to increase quantity without a maximum', async () => {
    const unlimitedVariant = {
      id: 321,
-      maximum_addable_quantity: null,
+      availability: createCatalogAvailability(null),
      values: {},
    };
    resolveProduct({
@@ -655,7 +687,7 @@ describe('ProductDetailPageComponent', () => {
      inventory_policy: 'unlimited',
      selected_variant: {
        id: 321,
-        maximum_addable_quantity: null,
+        availability: createCatalogAvailability(null),
        images: [],
        values: {},
      },
@@ -679,7 +711,7 @@ describe('ProductDetailPageComponent', () => {
  it('caps an unlimited variant at the per-user purchase limit', async () => {
    const unlimitedVariant = {
      id: 322,
-      maximum_addable_quantity: 2,
+      availability: createCatalogAvailability(2),
      values: {},
    };
    resolveProduct({
@@ -688,7 +720,7 @@ describe('ProductDetailPageComponent', () => {
      max_units_per_user: 2,
      selected_variant: {
        id: 322,
-        maximum_addable_quantity: 2,
+        availability: createCatalogAvailability(2),
        images: [],
        values: { event_date: '20' },
      },
@@ -712,14 +744,14 @@ describe('ProductDetailPageComponent', () => {
  it('disables purchase actions for tracked variants without stock', async () => {
    const trackedVariant = {
      id: 654,
-      maximum_addable_quantity: 0,
+      availability: createCatalogAvailability(0),
      values: {},
    };
    resolveProduct({
      ...mockProduct,
      selected_variant: {
        id: 654,
-        maximum_addable_quantity: 0,
+        availability: createCatalogAvailability(0),
        images: [],
        values: {},
      },
--- a/src/app/features/store/pages/product-detail-page/product-detail-page.component.ts
+++ b/src/app/features/store/pages/product-detail-page/product-detail-page.component.ts
@@ -32,6 +32,13 @@ import { ProductDetailResolvedData } from './product-detail-page.resolver';
 import { CheckoutService } from '../../../../core/services/checkout.service';
 import { TenantService } from '../../../../core/services/tenant.service';
 import { AuthService } from '../../../../core/services/auth/auth.service';
+import {
+  AVAILABLE_CATALOG_AVAILABILITY,
+  allowsCatalogAction,
+  combineCatalogAvailability,
+  maximumCatalogQuantity,
+  primaryAvailabilityMessage,
+} from '../../../../core/services/catalog/catalog-availability';

@Component({
  selector: 'app-product-detail-page',
@@ -96,29 +103,41 @@ export class ProductDetailPageComponent implements OnInit, OnDestroy {
    () => this.selectedVariant()?.precio ?? this.product()?.precio,
  );
  protected readonly quantity = signal(1);
+  protected readonly effectiveAvailability = computed(() => {
+    const prod = this.product();
+    const variant = this.selectedVariant();
+    if (!prod) return AVAILABLE_CATALOG_AVAILABILITY;
+
+    return combineCatalogAvailability(prod.availability, variant?.availability);
+  });
  protected readonly selectedVariantMax = computed<number | null>(() => {
    const prod = this.product();
    const variant = this.selectedVariant();
    if (!prod) return 0;
+    if (!variant && prod.variants.length > 0) return 0;

-    return variant
-      ? (variant.maximum_addable_quantity ?? null)
-      : prod.variants.length === 0
-        ? (prod.maximum_addable_quantity ?? null)
-        : 0;
+    return maximumCatalogQuantity(this.effectiveAvailability());
  });
-  protected readonly selectedVariantAvailable = computed(() => {
+  protected readonly hasPurchasableSelection = computed(() => {
    const prod = this.product();
    if (!prod) return false;
-    if (this.selectedVariantMax() === 0) return false;

-    const variant = this.selectedVariant();
-    if (variant) return this.isVariantAvailable(variant);
-    if (prod.purpose === 'entry') return false;
-    if (prod.variants.length > 0) return false;
-
-    return this.selectedVariantMax() !== 0;
+    return prod.variants.length === 0 || this.selectedVariant() !== null;
  });
+  protected readonly canAddToCart = computed(
+    () =>
+      this.hasPurchasableSelection() &&
+      allowsCatalogAction(this.effectiveAvailability(), 'add_to_cart'),
+  );
+  protected readonly canBuyNow = computed(
+    () =>
+      this.hasPurchasableSelection() &&
+      allowsCatalogAction(this.effectiveAvailability(), 'buy_now'),
+  );
+  protected readonly restrictionMessage = computed(() =>
+    primaryAvailabilityMessage(this.effectiveAvailability()),
+  );
+  protected readonly allows = allowsCatalogAction;
  protected readonly descriptionExpanded = signal(false);
  protected readonly descriptionMaxHeight = signal(0);
  protected readonly descriptionHasOverflow = signal(false);
@@ -224,8 +243,12 @@ export class ProductDetailPageComponent implements OnInit, OnDestroy {
            this.quantity.set(Math.max(1, maximum));
          }
        },
-        error: () => {
-          // Keep the last known availability if the silent refresh fails.
+        error: (error: HttpErrorResponse) => {
+          if (error.status === 404) {
+            this.product.set(null);
+            this.selectedVariant.set(null);
+            this.error.set('Este producto ya no está disponible.');
+          }
        },
      });
  }
@@ -295,8 +318,10 @@ export class ProductDetailPageComponent implements OnInit, OnDestroy {
  protected addToCart(): void {
    const currentProduct = this.product();
    const variant = this.selectedVariant();
-    if (!currentProduct || !this.selectedVariantAvailable()) {
-      this.toastService.danger('Por favor, selecciona una variante.');
+    if (!currentProduct || !this.canAddToCart()) {
+      this.toastService.danger(
+        this.effectiveAvailability().reasons[0]?.message ?? 'Por favor, selecciona una variante.',
+      );
      return;
    }

@@ -326,8 +351,10 @@ export class ProductDetailPageComponent implements OnInit, OnDestroy {
      return;
    }

-    if (!currentProduct || !this.selectedVariantAvailable()) {
-      this.toastService.danger('Por favor, selecciona una variante.');
+    if (!currentProduct || !this.canBuyNow()) {
+      this.toastService.danger(
+        this.effectiveAvailability().reasons[0]?.message ?? 'Por favor, selecciona una variante.',
+      );
      return;
    }

@@ -373,10 +400,6 @@ export class ProductDetailPageComponent implements OnInit, OnDestroy {
    }
  }

-  private isVariantAvailable(variant: CatalogItemVariant): boolean {
-    return variant.maximum_addable_quantity !== 0;
-  }
-
  protected toggleDescription(): void {
    this.descriptionExpanded.update((current) => !current);
  }
--- a/src/app/features/store/pages/product-detail-page/product-detail-page.resolver.spec.ts
+++ b/src/app/features/store/pages/product-detail-page/product-detail-page.resolver.spec.ts
@@ -5,6 +5,7 @@ import { beforeEach, describe, expect, it, vi } from 'vitest';

 import { CatalogItemDetail } from '../../../../core/services/catalog/catalog.interface';
 import { CatalogService } from '../../../../core/services/catalog/catalog.service';
+import { createCatalogAvailability } from '../../../../core/services/catalog/catalog-availability';
 import {
  PRODUCT_DETAIL_ERROR_MESSAGE,
  PRODUCT_DETAIL_INVALID_ID_MESSAGE,
@@ -29,7 +30,7 @@ describe('productDetailResolver', () => {
    has_tickets: false,
    minimum_use_date: null,
    maximum_use_date: null,
-    maximum_addable_quantity: 0,
+    availability: createCatalogAvailability(0),
    attributes: [],
    variants: [],
  };
--- a/src/app/features/store/pages/store-home-page/store-home-page.component.spec.ts
+++ b/src/app/features/store/pages/store-home-page/store-home-page.component.spec.ts
@@ -13,6 +13,7 @@ import {
 } from '../../../../core/services/catalog/catalog.interface';
 import { CatalogService } from '../../../../core/services/catalog/catalog.service';
 import { CatalogAvailabilityService } from '../../../../core/services/catalog/catalog-availability.service';
+import { createCatalogAvailability } from '../../../../core/services/catalog/catalog-availability';
 import { Tenant } from '../../../../core/services/tenant.interface';
 import { TenantService } from '../../../../core/services/tenant.service';
 import { ToastService } from '../../../../core/services/toast.service';
@@ -83,6 +84,7 @@ const pageOneItems: CatalogFeaturedItem[] = [
    nombre: 'Auriculares Bluetooth',
    precio: '24999.00',
    image: '/catalog/auriculares.jpg',
+    availability: createCatalogAvailability(null),
  },
  {
    id: 2,
@@ -90,6 +92,7 @@ const pageOneItems: CatalogFeaturedItem[] = [
    nombre: 'Teclado Mecanico',
    precio: '18999.00',
    image: null,
+    availability: createCatalogAvailability(null),
  },
 ];

@@ -406,7 +409,14 @@ describe('StoreHomePageComponent', () => {

  it('requests another page for the selected featured group', async () => {
    const pageTwoItems: CatalogFeaturedItem[] = [
-      { id: 3, type: 'product', nombre: 'Mouse Gamer', precio: '15999.00', image: null },
+      {
+        id: 3,
+        type: 'product',
+        nombre: 'Mouse Gamer',
+        precio: '15999.00',
+        image: null,
+        availability: createCatalogAvailability(null),
+      },
    ];
    const catalogServiceStub = {
      getCatalog: vi.fn(),
--- a/src/app/shared/components/product-list/product-list.component.html
+++ b/src/app/shared/components/product-list/product-list.component.html
@@ -12,8 +12,7 @@
          [title]="item.nombre"
          [description]="item.descripcion ?? ''"
          [price]="price(item)"
-          [maximumAddableQuantity]="item.maximum_addable_quantity ?? null"
-          [unavailableMessage]="item.unavailable_message ?? null"
+          [availability]="itemAvailability(item)"
          [variants]="item.variants ?? []"
          [saving]="savingProductIds().has(item.id)"
          (buy)="emitRowBuy(item, $event)"
@@ -25,8 +24,7 @@
          [title]="item.nombre"
          [description]="item.descripcion ?? ''"
          [price]="price(item)"
-          [maximumAddableQuantity]="item.maximum_addable_quantity ?? null"
-          [unavailableMessage]="item.unavailable_message ?? null"
+          [availability]="itemAvailability(item)"
          [variants]="item.variants ?? []"
          [saving]="savingProductIds().has(item.id)"
          (buy)="emitColumnBuy(item, $event)"
@@ -40,8 +38,8 @@
          [description]="item.descripcion ?? ''"
          [price]="price(item)"
          [imageUrl]="loadImages() ? (item.image ?? null) : null"
-          [unavailableMessage]="item.unavailable_message ?? null"
-          [disabled]="loading() || !!item.unavailable_message"
+          [unavailableMessage]="availabilityMessage(item)"
+          [disabled]="loading() || !allows(itemAvailability(item), 'buy_now')"
          (buy)="emitTicketBuy(item, $event)"
        />
      }
@@ -50,7 +48,7 @@
          [imageUrl]="loadImages() ? (item.image ?? null) : null"
          [title]="item.nombre"
          [originalPrice]="price(item)"
-          [unavailableMessage]="item.unavailable_message ?? null"
+          [unavailableMessage]="availabilityMessage(item)"
          [imagePriority]="loadImages() && index < 4"
          (buy)="emitProductDetailBuy(item)"
        />
--- a/src/app/shared/components/product-list/product-list.component.spec.ts
+++ b/src/app/shared/components/product-list/product-list.component.spec.ts
@@ -6,6 +6,7 @@ import { of } from 'rxjs';
 import { ApiPaginatedResponse } from '../../../core/services/api-paginated-response.interface';
 import { CartService } from '../../../core/services/cart/cart.service';
 import { CatalogService } from '../../../core/services/catalog/catalog.service';
+import { createCatalogAvailability } from '../../../core/services/catalog/catalog-availability';
 import {
  CatalogFeaturedItems,
  CatalogGroupLayout,
@@ -23,6 +24,7 @@ describe('ProductListComponent', () => {
      descripcion: 'Primera descripcion',
      precio: '100.00',
      image: '/images/one.png',
+      availability: createCatalogAvailability(null),
      variants: [],
    },
    {
@@ -32,6 +34,7 @@ describe('ProductListComponent', () => {
      descripcion: 'Segunda descripcion',
      precio: 200,
      image: null,
+      availability: createCatalogAvailability(null),
      variants: [],
    },
  ];
@@ -56,6 +59,20 @@ describe('ProductListComponent', () => {
  ) {
    const getVariantOptions = vi.fn().mockReturnValue(
      of({
+        variants: [
+          {
+            id: 401,
+            precio: '10000.00',
+            availability: createCatalogAvailability(1),
+            values: { tipo: '1', sector: '2', fila: '3', asiento: '4' },
+          },
+          {
+            id: 402,
+            precio: '12000.00',
+            availability: createCatalogAvailability(1),
+            values: { tipo: '1', sector: '2', fila: '3', asiento: '5' },
+          },
+        ],
        selectors: ['tipo', 'sector', 'fila', 'asiento'].map((key, index) => ({
          key,
          label: key,
@@ -73,7 +90,12 @@ describe('ProductListComponent', () => {
    await TestBed.configureTestingModule({
      imports: [ProductListComponent],
      providers: [
-        { provide: CatalogService, useValue: { getVariantOptions } },
+        {
+          provide: CatalogService,
+          useValue: {
+            withoutLoading: () => ({ getVariantOptions }),
+          },
+        },
        { provide: CartService, useValue: {} },
      ],
    }).compileComponents();
@@ -193,8 +215,8 @@ describe('ProductListComponent', () => {
    const itemWithVariants: ProductListItem = {
      ...items[0],
      variants: [
-        { id: 91, maximum_addable_quantity: 3, values: { fecha: '10 de octubre' } },
-        { id: 92, maximum_addable_quantity: 4, values: { fecha: '11 de octubre' } },
+        { id: 91, availability: createCatalogAvailability(3), values: { fecha: '10 de octubre' } },
+        { id: 92, availability: createCatalogAvailability(4), values: { fecha: '11 de octubre' } },
      ],
    };
    const fixture = await render('column_with_cart', [itemWithVariants]);
@@ -220,7 +242,7 @@ describe('ProductListComponent', () => {
      variants: [
        {
          id: 91,
-          maximum_addable_quantity: 2,
+          availability: createCatalogAvailability(2),
          values: { fecha: '10 de octubre' },
        },
      ],
@@ -248,7 +270,7 @@ describe('ProductListComponent', () => {
      variants: [
        {
          id: 91,
-          maximum_addable_quantity: 0,
+          availability: createCatalogAvailability(0),
          values: { fecha: '10 de octubre' },
        },
      ],
@@ -304,7 +326,7 @@ describe('ProductListComponent', () => {
        {
          id: 401,
          precio: '10000.00',
-          maximum_addable_quantity: 1,
+          availability: createCatalogAvailability(1),
          values: {
            tipo: { value: 'vip', label: 'VIP' },
            sector: { value: 'a', label: 'Sector A' },
@@ -315,7 +337,7 @@ describe('ProductListComponent', () => {
        {
          id: 402,
          precio: '12000.00',
-          maximum_addable_quantity: 1,
+          availability: createCatalogAvailability(1),
          values: {
            tipo: { value: 'vip', label: 'VIP' },
            sector: { value: 'a', label: 'Sector A' },
--- a/src/app/shared/components/product-list/product-list.component.ts
+++ b/src/app/shared/components/product-list/product-list.component.ts
@@ -18,6 +18,11 @@ import {
  CatalogGroupLayout,
  CatalogProductLayout,
 } from '../../../core/services/catalog/catalog.interface';
+import {
+  AVAILABLE_CATALOG_AVAILABILITY,
+  allowsCatalogAction,
+  primaryAvailabilityMessage,
+} from '../../../core/services/catalog/catalog-availability';
 import { CarouselComponent } from '../carousel/carousel.component';
 import { PaginatorComponent } from '../paginator/paginator.component';
 import { ProductColumnWithImageComponent } from '../product-column-with-image/product-column-with-image.component';
@@ -74,6 +79,7 @@ export class ProductListComponent {
  readonly buy = output<ProductListBuyEvent>();
  readonly addToCart = output<ProductListCartEvent>();
  readonly pageChange = output<number>();
+  protected readonly allows = allowsCatalogAction;

  protected readonly effectiveLayout = computed<ProductListLayout>(() =>
    this.mobile() && this.layout() === 'row' ? 'column_with_cart' : this.layout(),
@@ -108,6 +114,14 @@ export class ProductListComponent {
    return Number.isFinite(price) ? price : 0;
  }

+  protected availabilityMessage(item: ProductListItem): string | null {
+    return primaryAvailabilityMessage(this.itemAvailability(item));
+  }
+
+  protected itemAvailability(item: ProductListItem) {
+    return item.availability ?? AVAILABLE_CATALOG_AVAILABILITY;
+  }
+
  protected emitRowCart(
    product: ProductListItem,
    event: { quantity: number; variant: unknown },
--- a/src/app/shared/components/product-row-card/product-row-card.component.html
+++ b/src/app/shared/components/product-row-card/product-row-card.component.html
@@ -21,13 +21,14 @@
        <app-variant-selector
          class="product-row-card__selectors"
          [variants]="variants()"
+          [disabled]="!allows(availability(), 'select_variant')"
          [(selectedVariant)]="selectedVariant"
        />

        <app-quantity-selector
          [(quantity)]="quantity"
          [max]="effectiveMaximum()"
-          [disabled]="unavailable()"
+          [disabled]="!allows(effectiveAvailability(), 'change_quantity')"
        />
      </div>

@@ -38,14 +39,22 @@

    <div class="product-row-card__buttons">
      <div class="product-row-card__btn-wrapper">
-        <app-button variant="primary" [disabled]="unavailable()" (click)="onBuy()">
+        <app-button
+          variant="primary"
+          [disabled]="!hasPurchasableSelection() || !allows(effectiveAvailability(), 'buy_now')"
+          (click)="onBuy()"
+        >
          Comprar
        </app-button>
      </div>
      <div class="product-row-card__btn-wrapper">
        <app-button
          variant="secondary"
-          [disabled]="saving() || unavailable()"
+          [disabled]="
+            saving() ||
+            !hasPurchasableSelection() ||
+            !allows(effectiveAvailability(), 'add_to_cart')
+          "
          (click)="onAddToCart()"
        >
          {{ saving() ? 'Guardando' : 'Agregar al carrito' }}
--- a/src/app/shared/components/product-row-card/product-row-card.component.ts
+++ b/src/app/shared/components/product-row-card/product-row-card.component.ts
@@ -14,13 +14,20 @@ import {
  VariantSelectorComponent,
  VariantSelectorVariant,
 } from '../variant-selector/variant-selector.component';
+import { CatalogAvailability } from '../../../core/services/catalog/catalog.interface';
+import {
+  AVAILABLE_CATALOG_AVAILABILITY,
+  allowsCatalogAction,
+  combineCatalogAvailability,
+  maximumCatalogQuantity,
+  primaryAvailabilityMessage,
+} from '../../../core/services/catalog/catalog-availability';

 export interface Variant extends VariantSelectorVariant {
  label?: string;
  descripcion?: string | null;
  precio?: string | number;
-  maximum_addable_quantity?: number | null;
-  unavailable_message?: string | null;
+  availability?: CatalogAvailability;
 }

@Component({
@@ -36,8 +43,7 @@ export class ProductRowCardComponent {
  readonly title = input<string>('');
  readonly description = input<string>('');
  readonly price = input<number>(0);
-  readonly maximumAddableQuantity = input<number | null>(null);
-  readonly unavailableMessage = input<string | null>(null);
+  readonly availability = input<CatalogAvailability>(AVAILABLE_CATALOG_AVAILABILITY);
  readonly variants = input<Variant[]>([]);
  readonly saving = input(false);

@@ -60,19 +66,22 @@ export class ProductRowCardComponent {

    return Number.isFinite(variantPrice) ? variantPrice : this.price();
  });
-  protected readonly effectiveMaximum = computed(
-    () => this.selectedVariantData()?.maximum_addable_quantity ?? this.maximumAddableQuantity(),
+  protected readonly effectiveAvailability = computed(() =>
+    combineCatalogAvailability(this.availability(), this.selectedVariantData()?.availability),
+  );
+  protected readonly hasVariants = computed(() => this.variants().length > 0);
+  protected readonly hasPurchasableSelection = computed(
+    () => !this.hasVariants() || this.selectedVariantData() !== undefined,
+  );
+  protected readonly effectiveMaximum = computed(() =>
+    maximumCatalogQuantity(this.effectiveAvailability()),
+  );
+  protected readonly effectiveUnavailableMessage = computed(() =>
+    primaryAvailabilityMessage(this.effectiveAvailability()),
  );
-  protected readonly unavailable = computed(() => this.effectiveMaximum() === 0);
-  protected readonly effectiveUnavailableMessage = computed(() => {
-    const selectedVariant = this.selectedVariantData();
-
-    return selectedVariant
-      ? (selectedVariant.unavailable_message ?? null)
-      : this.unavailableMessage();
-  });

  readonly formattedPrice = computed(() => this.formatCurrency(this.effectivePrice()));
+  protected readonly allows = allowsCatalogAction;

  constructor() {
    effect(() => {
@@ -85,7 +94,11 @@ export class ProductRowCardComponent {
  }

  protected onAddToCart(): void {
-    if (this.saving() || this.unavailable()) {
+    if (
+      this.saving() ||
+      !this.hasPurchasableSelection() ||
+      !this.allows(this.effectiveAvailability(), 'add_to_cart')
+    ) {
      return;
    }

@@ -96,7 +109,8 @@ export class ProductRowCardComponent {
  }

  protected onBuy(): void {
-    if (this.unavailable()) return;
+    if (!this.hasPurchasableSelection() || !this.allows(this.effectiveAvailability(), 'buy_now'))
+      return;

    this.buy.emit({
      quantity: this.quantity(),
--- a/src/app/shared/components/product-ticket-selector/product-ticket-selector.component.ts
+++ b/src/app/shared/components/product-ticket-selector/product-ticket-selector.component.ts
@@ -23,6 +23,10 @@ import {
  CatalogVariantSelector,
  CatalogVariantValue,
 } from '../../../core/services/catalog/catalog.interface';
+import {
+  allowsCatalogAction,
+  createCatalogAvailability,
+} from '../../../core/services/catalog/catalog-availability';
 import { CatalogService } from '../../../core/services/catalog/catalog.service';
 import { ModalService } from '../../../core/services/modal.service';
 import { ToastService } from '../../../core/services/toast.service';
@@ -353,7 +357,11 @@ export class ProductTicketSelectorComponent {
    if (reservedVariant !== null && !variants.some(({ id }) => id === reservedVariant.id)) {
      variants.push(reservedVariant);
    }
-    return variants.filter(({ id }) => !reservedByOtherRows.has(id));
+    return variants.filter(
+      ({ id, availability }) =>
+        (availability === undefined || allowsCatalogAction(availability, 'select_variant')) &&
+        !reservedByOtherRows.has(id),
+    );
  }

  private reservedVariantData(row: TicketSelectionRow): CatalogFeaturedItemVariant | null {
@@ -363,7 +371,9 @@ export class ProductTicketSelectorComponent {
    return {
      id: item.variant.id,
      precio: item.variant.precio,
-      maximum_addable_quantity: item.variant.stock_tecnico,
+      availability: createCatalogAvailability(
+        item.variant.stock_tecnico === null ? null : item.variant.stock_tecnico + item.cantidad,
+      ),
      values: item.variant.values,
    };
  }
--- a/src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.html
+++ b/src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.html
@@ -19,7 +19,7 @@
        <app-quantity-selector
          [(quantity)]="quantity"
          [max]="effectiveMaximum()"
-          [disabled]="unavailable()"
+          [disabled]="!allows(effectiveAvailability(), 'change_quantity')"
        />
      </div>
    } @else {
@@ -29,12 +29,16 @@
          <app-quantity-selector
            [(quantity)]="quantity"
            [max]="effectiveMaximum()"
-            [disabled]="unavailable()"
+            [disabled]="!allows(effectiveAvailability(), 'change_quantity')"
          />
        </div>

        <div class="product-vertical-with-cart-card__variant-selectors">
-          <app-variant-selector [variants]="variants()" [(selectedVariant)]="selectedVariant" />
+          <app-variant-selector
+            [variants]="variants()"
+            [disabled]="!allows(availability(), 'select_variant')"
+            [(selectedVariant)]="selectedVariant"
+          />
        </div>
      </div>
    }
@@ -42,14 +46,21 @@
    <div class="product-vertical-with-cart-card__actions">
      <app-button
        variant="primary"
-        [disabled]="unavailable() || (hasVariants() && selectedVariant() === null)"
+        [disabled]="
+          !allows(effectiveAvailability(), 'buy_now') ||
+          (hasVariants() && selectedVariant() === null)
+        "
        (click)="onBuy()"
      >
        Comprar
      </app-button>
      <app-button
        variant="secondary"
-        [disabled]="saving() || unavailable() || (hasVariants() && selectedVariant() === null)"
+        [disabled]="
+          saving() ||
+          !allows(effectiveAvailability(), 'add_to_cart') ||
+          (hasVariants() && selectedVariant() === null)
+        "
        (click)="onAddToCart()"
      >
        {{ saving() ? 'Guardando' : 'Agregar al carrito' }}
--- a/src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.spec.ts
+++ b/src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.spec.ts
@@ -58,11 +58,17 @@ describe('ProductVerticalWithCartCardComponent', () => {

  it('shows the backend availability message with the reusable tooltip', async () => {
    const fixture = await createComponent();
-    fixture.componentRef.setInput('maximumAddableQuantity', 0);
-    fixture.componentRef.setInput(
-      'unavailableMessage',
-      'Alcanzaste el cupo máximo permitido para este producto.',
-    );
+    fixture.componentRef.setInput('availability', {
+      state: 'visible',
+      maximum_quantity: 0,
+      reasons: [
+        {
+          code: 'user_quota_reached',
+          message: 'Alcanzaste el cupo máximo permitido para este producto.',
+        },
+      ],
+      allowed_actions: [],
+    });
    fixture.detectChanges();

    const tooltip = (fixture.nativeElement as HTMLElement).querySelector('app-tooltip');
--- a/src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.ts
+++ b/src/app/shared/components/product-vertical-with-cart-card/product-vertical-with-cart-card.component.ts
@@ -15,12 +15,19 @@ import {
  VariantSelectorComponent,
  VariantSelectorVariant,
 } from '../variant-selector/variant-selector.component';
+import { CatalogAvailability } from '../../../core/services/catalog/catalog.interface';
+import {
+  AVAILABLE_CATALOG_AVAILABILITY,
+  allowsCatalogAction,
+  combineCatalogAvailability,
+  maximumCatalogQuantity,
+  primaryAvailabilityMessage,
+} from '../../../core/services/catalog/catalog-availability';

 export interface VerticalCartVariant extends VariantSelectorVariant {
  descripcion?: string | null;
  precio?: string | number;
-  maximum_addable_quantity?: number | null;
-  unavailable_message?: string | null;
+  availability?: CatalogAvailability;
 }

@Component({
@@ -34,8 +41,7 @@ export class ProductVerticalWithCartCardComponent {
  readonly title = input<string>('');
  readonly description = input<string>('');
  readonly price = input<number>(0);
-  readonly maximumAddableQuantity = input<number | null>(null);
-  readonly unavailableMessage = input<string | null>(null);
+  readonly availability = input<CatalogAvailability>(AVAILABLE_CATALOG_AVAILABILITY);
  readonly variants = input<VerticalCartVariant[]>([]);
  readonly saving = input(false);

@@ -58,17 +64,16 @@ export class ProductVerticalWithCartCardComponent {
  });
  protected readonly formattedPrice = computed(() => this.formatCurrency(this.effectivePrice()));
  protected readonly hasVariants = computed(() => this.variants().length > 0);
-  protected readonly effectiveMaximum = computed(
-    () => this.selectedVariantData()?.maximum_addable_quantity ?? this.maximumAddableQuantity(),
+  protected readonly effectiveAvailability = computed(() =>
+    combineCatalogAvailability(this.availability(), this.selectedVariantData()?.availability),
  );
-  protected readonly unavailable = computed(() => this.effectiveMaximum() === 0);
-  protected readonly effectiveUnavailableMessage = computed(() => {
-    const selectedVariant = this.selectedVariantData();
-
-    return selectedVariant
-      ? (selectedVariant.unavailable_message ?? null)
-      : this.unavailableMessage();
-  });
+  protected readonly effectiveMaximum = computed(() =>
+    maximumCatalogQuantity(this.effectiveAvailability()),
+  );
+  protected readonly effectiveUnavailableMessage = computed(() =>
+    primaryAvailabilityMessage(this.effectiveAvailability()),
+  );
+  protected readonly allows = allowsCatalogAction;

  constructor() {
    effect(() => {
@@ -81,7 +86,7 @@ export class ProductVerticalWithCartCardComponent {
  }

  protected onAddToCart(): void {
-    if (this.saving() || this.unavailable()) {
+    if (this.saving() || !this.allows(this.effectiveAvailability(), 'add_to_cart')) {
      return;
    }

@@ -89,7 +94,7 @@ export class ProductVerticalWithCartCardComponent {
  }

  protected onBuy(): void {
-    if (this.unavailable()) return;
+    if (!this.allows(this.effectiveAvailability(), 'buy_now')) return;

    this.buy.emit({ quantity: this.quantity(), variant: this.selectedVariant() });
  }
--- a/src/app/shared/components/variant-selector/variant-selector.component.spec.ts
+++ b/src/app/shared/components/variant-selector/variant-selector.component.spec.ts
@@ -62,6 +62,8 @@ describe('VariantSelectorComponent', () => {
    ]);
    fixture.componentRef.setInput('selectedVariant', 2);
    fixture.detectChanges();
+    await fixture.whenStable();
+    fixture.detectChanges();

    const selects = Array.from(
      fixture.nativeElement.querySelectorAll('select'),
@@ -80,6 +82,28 @@ describe('VariantSelectorComponent', () => {
    expect(fixture.componentInstance.selectedVariant()).toBe(1);
  });

+  it('does not offer variants whose availability forbids selection', async () => {
+    await TestBed.configureTestingModule({
+      imports: [VariantSelectorComponent],
+    }).compileComponents();
+    const fixture = TestBed.createComponent(VariantSelectorComponent);
+    fixture.componentRef.setInput('variants', [
+      { id: 1, values: { talle: 'S' } },
+      {
+        id: 2,
+        values: { talle: 'M' },
+        availability: { state: 'visible', maximum_quantity: 0, allowed_actions: [], reasons: [] },
+      },
+    ]);
+    fixture.detectChanges();
+    await fixture.whenStable();
+    fixture.detectChanges();
+
+    expect(fixture.nativeElement.textContent).toContain('S');
+    expect(fixture.nativeElement.textContent).not.toContain('M');
+    expect(fixture.componentInstance.selectedVariant()).toBe(1);
+  });
+
  it('requires manual selections when autoSelectFirst is disabled', async () => {
    await TestBed.configureTestingModule({
      imports: [VariantSelectorComponent],
--- a/src/app/shared/components/variant-selector/variant-selector.component.ts
+++ b/src/app/shared/components/variant-selector/variant-selector.component.ts
@@ -10,6 +10,8 @@ import {
  untracked,
 } from '@angular/core';
 import { FormsModule } from '@angular/forms';
+import { CatalogAvailability } from '../../../core/services/catalog/catalog.interface';
+import { allowsCatalogAction } from '../../../core/services/catalog/catalog-availability';

 export interface VariantAttributeOption {
  value: string;
@@ -22,6 +24,7 @@ export type VariantAttributeValue = VariantAttributeScalar | VariantAttributeSca
 export interface VariantSelectorVariant {
  id: unknown;
  values: Record<string, VariantAttributeValue>;
+  availability?: CatalogAvailability;
 }

 export interface VariantSelectorSelectionChange {
@@ -64,10 +67,12 @@ export class VariantSelectorComponent {
    right: VariantAttributeValue | null,
  ): boolean => left !== null && right !== null && this.sameValue(left, right);
  protected readonly attributeKeys = computed(() =>
-    Array.from(new Set(this.variants().flatMap((variant) => Object.keys(variant.values)))),
+    Array.from(
+      new Set(this.getSelectableVariants().flatMap((variant) => Object.keys(variant.values))),
+    ),
  );
  protected readonly selectors = computed<VariantSelectorGroup[]>(() => {
-    const variants = this.variants();
+    const variants = this.getSelectableVariants();
    const keys = this.attributeKeys();
    const selectedValues = this.selectedValues();

@@ -110,7 +115,7 @@ export class VariantSelectorComponent {
    });

    effect(() => {
-      const variants = this.variants();
+      const variants = this.getSelectableVariants();
      const selectedVariant = this.selectedVariant();
      const autoSelectFirst = this.autoSelectFirst();

@@ -139,7 +144,7 @@ export class VariantSelectorComponent {
  }

  protected onValueChange(key: string, value: VariantAttributeValue | null): void {
-    const variants = this.variants();
+    const variants = this.getSelectableVariants();
    const keys = this.attributeKeys();
    const changedIndex = keys.indexOf(key);
    const values = { ...this.selectedValues() };
@@ -198,6 +203,14 @@ export class VariantSelectorComponent {
    return Array.from(options.values());
  }

+  private getSelectableVariants(): VariantSelectorVariant[] {
+    return this.variants().filter(
+      (variant) =>
+        variant.availability === undefined ||
+        allowsCatalogAction(variant.availability, 'select_variant'),
+    );
+  }
+
  private reconcileManualSelection(
    selectedValues: Record<string, VariantAttributeValue>,
    variants: VariantSelectorVariant[],
Author	SHA1	Message	Date
ncoronel	72c80465e8	test(catalog): cover global availability behavior	2026-08-25 09:03:32 -03:00
ncoronel	5273459b64	feat(catalog): consume global availability decisions	2026-08-25 09:03:23 -03:00
ncoronel	3ec469a539	test(catalog): update availability contract fixtures	2026-08-24 15:16:13 -03:00
ncoronel	f02f4456b7	feat(catalog): adopt subject-aware availability contract	2026-08-24 15:16:00 -03:00
ncoronel	eda8d32f4e	test(catalog): cover availability-driven controls	2026-08-24 14:33:25 -03:00
ncoronel	5ca1f03e20	feat(catalog): consume availability capabilities	2026-08-24 14:33:11 -03:00