From 3cefaf85d9e33678332d4041121d9ec256f76cf3 Mon Sep 17 00:00:00 2001
From: ncoronel <ncoronel@quo.ar>
Date: Tue, 21 Jul 2026 14:55:46 -0300
Subject: [PATCH] feat(qr-modal): implement QR modal component and integrate
 with tickets page

---
 src/app/core/services/modal.service.spec.ts   |  92 +++++++------
 src/app/core/services/modal.service.ts        | 121 +++++++++---------
 .../pages/tickets-page/tickets-page.html      |   1 +
 .../pages/tickets-page/tickets-page.spec.ts   |  39 ++++++
 .../pages/tickets-page/tickets-page.ts        |  11 ++
 .../modal-shell/modal-shell.component.scss    |  34 ++++-
 .../modal-shell/modal-shell.component.ts      |  11 +-
 .../qr-modal/qr-modal.component.html          |  16 +++
 .../qr-modal/qr-modal.component.scss          |  44 +++++++
 .../components/qr-modal/qr-modal.component.ts |  15 +++
 10 files changed, 274 insertions(+), 110 deletions(-)
 create mode 100644 src/app/shared/components/qr-modal/qr-modal.component.html
 create mode 100644 src/app/shared/components/qr-modal/qr-modal.component.scss
 create mode 100644 src/app/shared/components/qr-modal/qr-modal.component.ts

diff --git a/src/app/core/services/modal.service.spec.ts b/src/app/core/services/modal.service.spec.ts
index 0f9a114..f258b47 100644
--- a/src/app/core/services/modal.service.spec.ts
+++ b/src/app/core/services/modal.service.spec.ts
@@ -1,37 +1,23 @@
 import '@angular/compiler';
 import { Component, inject } from '@angular/core';
 import { TestBed, getTestBed } from '@angular/core/testing';
-import {
-  BrowserTestingModule,
-  platformBrowserTesting
-} from '@angular/platform-browser/testing';
-import {
-  afterEach,
-  beforeAll,
-  beforeEach,
-  describe,
-  expect,
-  it,
-  vi
-} from 'vitest';
+import { BrowserTestingModule, platformBrowserTesting } from '@angular/platform-browser/testing';
+import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from 'vitest';
 import { firstValueFrom } from 'rxjs';
 
 import { ConfirmDeleteModalComponent } from '../../shared/components/confirm-delete-modal/confirm-delete-modal.component';
 import { ConfirmModalComponent } from '../../shared/components/confirm-modal/confirm-modal.component';
+import { QrModalComponent } from '../../shared/components/qr-modal/qr-modal.component';
 import { SimpleModalComponent } from '../../shared/components/simple-modal/simple-modal.component';
-import {
-  MODAL_DATA,
-  ModalRef,
-  ModalService
-} from './modal.service';
+import { MODAL_DATA, ModalRef, ModalService } from './modal.service';
 
 @Component({
-  template: ''
+  template: '',
 })
 class FirstTestModalComponent {}
 
 @Component({
-  template: ''
+  template: '',
 })
 class SecondTestModalComponent {}
 
@@ -40,10 +26,7 @@ describe('ModalService', () => {
 
   beforeAll(() => {
     try {
-      getTestBed().initTestEnvironment(
-        BrowserTestingModule,
-        platformBrowserTesting()
-      );
+      getTestBed().initTestEnvironment(BrowserTestingModule, platformBrowserTesting());
     } catch {
       // Test environment may already be initialized by another setup entrypoint.
     }
@@ -55,7 +38,7 @@ describe('ModalService', () => {
 
   beforeEach(() => {
     TestBed.configureTestingModule({
-      providers: [ModalService]
+      providers: [ModalService],
     });
 
     service = TestBed.inject(ModalService);
@@ -66,7 +49,7 @@ describe('ModalService', () => {
       title: 'Confirmar compra',
       data: { productId: 10 },
       size: 'lg',
-      closeOnBackdrop: false
+      closeOnBackdrop: false,
     });
 
     const activeModal = service.activeModal();
@@ -80,7 +63,7 @@ describe('ModalService', () => {
       size: 'lg',
       closeOnBackdrop: false,
       closeOnEscape: true,
-      showCloseButton: true
+      showCloseButton: true,
     });
   });
 
@@ -115,7 +98,7 @@ describe('ModalService', () => {
     firstRef.afterClosed$.subscribe(firstClosedSpy);
 
     const secondRef = service.open(SecondTestModalComponent, {
-      title: 'Segundo modal'
+      title: 'Segundo modal',
     });
 
     expect(firstClosedSpy).toHaveBeenCalledWith(undefined);
@@ -126,7 +109,7 @@ describe('ModalService', () => {
 
   it('injects MODAL_DATA and ModalRef into opened components through the host injector contract', () => {
     const ref = service.open(DataTestModalComponent, {
-      data: { amount: 3 }
+      data: { amount: 3 },
     });
 
     const activeModal = service.activeModal();
@@ -138,7 +121,7 @@ describe('ModalService', () => {
   it('opens the standard confirm modal with default labels', () => {
     const result$ = service.openConfirm({
       title: 'Confirmar compra',
-      content: 'Esto confirmara la compra actual.'
+      content: 'Esto confirmara la compra actual.',
     });
 
     const activeModal = service.activeModal();
@@ -150,19 +133,19 @@ describe('ModalService', () => {
       data: {
         content: 'Esto confirmara la compra actual.',
         confirmLabel: 'Confirmar',
-        cancelLabel: 'Cancelar'
+        cancelLabel: 'Cancelar',
       },
       size: 'md',
       closeOnBackdrop: true,
       closeOnEscape: true,
-      showCloseButton: true
+      showCloseButton: true,
     });
   });
 
   it('maps the confirm modal close result to true', async () => {
     const result$ = service.openConfirm({
       title: 'Confirmar compra',
-      content: 'Esto confirmara la compra actual.'
+      content: 'Esto confirmara la compra actual.',
     });
     const activeModal = service.activeModal();
     const resultPromise = firstValueFrom(result$);
@@ -175,7 +158,7 @@ describe('ModalService', () => {
   it('maps dismissing a confirm modal to false', async () => {
     const result$ = service.openConfirmDelete({
       title: 'Eliminar producto',
-      content: 'Se eliminara el producto.'
+      content: 'Se eliminara el producto.',
     });
     const activeModal = service.activeModal();
     const resultPromise = firstValueFrom(result$);
@@ -194,7 +177,7 @@ describe('ModalService', () => {
       size: 'lg',
       closeOnBackdrop: false,
       closeOnEscape: false,
-      showCloseButton: false
+      showCloseButton: false,
     });
 
     const activeModal = service.activeModal();
@@ -205,19 +188,19 @@ describe('ModalService', () => {
       data: {
         content: 'Se eliminara el producto.',
         confirmLabel: 'Eliminar',
-        cancelLabel: 'Conservar'
+        cancelLabel: 'Conservar',
       },
       size: 'lg',
       closeOnBackdrop: false,
       closeOnEscape: false,
-      showCloseButton: false
+      showCloseButton: false,
     });
   });
 
   it('opens the simple modal with default button label', () => {
     service.openSimple({
       title: 'Aviso',
-      content: 'Este es un aviso simple.'
+      content: 'Este es un aviso simple.',
     });
 
     const activeModal = service.activeModal();
@@ -227,19 +210,19 @@ describe('ModalService', () => {
       title: 'Aviso',
       data: {
         content: 'Este es un aviso simple.',
-        buttonLabel: 'Entendido'
+        buttonLabel: 'Entendido',
       },
       size: 'md',
       closeOnBackdrop: true,
       closeOnEscape: true,
-      showCloseButton: true
+      showCloseButton: true,
     });
   });
 
   it('maps the simple modal close result to undefined', async () => {
     const result$ = service.openSimple({
       title: 'Aviso',
-      content: 'Este es un aviso simple.'
+      content: 'Este es un aviso simple.',
     });
     const activeModal = service.activeModal();
     const resultPromise = firstValueFrom(result$);
@@ -248,10 +231,35 @@ describe('ModalService', () => {
 
     await expect(resultPromise).resolves.toBeUndefined();
   });
+
+  it('opens the QR modal with the ticket information and compact size', () => {
+    service.openQr({
+      title: 'Entrada general',
+      id: 42,
+      date: '09 de octubre',
+      ticket: 'ticket-payload',
+    });
+
+    const activeModal = service.activeModal();
+
+    expect(activeModal?.component).toBe(QrModalComponent);
+    expect(activeModal?.config).toEqual({
+      title: 'Entrada general',
+      data: {
+        id: 42,
+        date: '09 de octubre',
+        ticket: 'ticket-payload',
+      },
+      size: 'qr',
+      closeOnBackdrop: true,
+      closeOnEscape: true,
+      showCloseButton: true,
+    });
+  });
 });
 
 @Component({
-  template: ''
+  template: '',
 })
 class DataTestModalComponent {
   readonly data = inject(MODAL_DATA);
diff --git a/src/app/core/services/modal.service.ts b/src/app/core/services/modal.service.ts
index 98fbe87..4abdcb1 100644
--- a/src/app/core/services/modal.service.ts
+++ b/src/app/core/services/modal.service.ts
@@ -2,14 +2,11 @@ import { InjectionToken, Injectable, Type, signal } from '@angular/core';
 import { Observable, Subject, map } from 'rxjs';
 import { ConfirmDeleteModalComponent } from '../../shared/components/confirm-delete-modal/confirm-delete-modal.component';
 import { ConfirmModalComponent } from '../../shared/components/confirm-modal/confirm-modal.component';
+import { QrModalComponent } from '../../shared/components/qr-modal/qr-modal.component';
 import { SimpleModalComponent } from '../../shared/components/simple-modal/simple-modal.component';
 
-export type ModalSize = 'sm' | 'md' | 'lg' | 'xl' | 'full';
-export type ModalDismissReason =
-  | 'backdrop'
-  | 'escape'
-  | 'programmatic'
-  | 'replaced';
+export type ModalSize = 'qr' | 'sm' | 'md' | 'lg' | 'xl' | 'full';
+export type ModalDismissReason = 'backdrop' | 'escape' | 'programmatic' | 'replaced';
 
 export interface ModalConfig<TData = unknown> {
   title?: string;
@@ -20,11 +17,10 @@ export interface ModalConfig<TData = unknown> {
   showCloseButton?: boolean;
 }
 
-export interface NormalizedModalConfig<TData = unknown>
-  extends Omit<
-    ModalConfig<TData>,
-    'size' | 'closeOnBackdrop' | 'closeOnEscape' | 'showCloseButton'
-  > {
+export interface NormalizedModalConfig<TData = unknown> extends Omit<
+  ModalConfig<TData>,
+  'size' | 'closeOnBackdrop' | 'closeOnEscape' | 'showCloseButton'
+> {
   size: ModalSize;
   closeOnBackdrop: boolean;
   closeOnEscape: boolean;
@@ -37,8 +33,7 @@ export interface ConfirmModalData {
   cancelLabel: string;
 }
 
-export interface ConfirmModalConfig
-  extends Omit<ModalConfig<ConfirmModalData>, 'data'> {
+export interface ConfirmModalConfig extends Omit<ModalConfig<ConfirmModalData>, 'data'> {
   content: string;
   confirmLabel?: string;
   cancelLabel?: string;
@@ -49,12 +44,24 @@ export interface SimpleModalData {
   buttonLabel: string;
 }
 
-export interface SimpleModalConfig
-  extends Omit<ModalConfig<SimpleModalData>, 'data'> {
+export interface SimpleModalConfig extends Omit<ModalConfig<SimpleModalData>, 'data'> {
   content: string;
   buttonLabel?: string;
 }
 
+export interface QrModalData {
+  id: string | number;
+  date: string;
+  ticket: string;
+}
+
+export interface QrModalConfig extends Omit<ModalConfig<QrModalData>, 'data' | 'title'> {
+  title: string;
+  id: string | number;
+  date: string;
+  ticket: string;
+}
+
 export interface ActiveModalState<TResult = unknown, TData = unknown> {
   component: Type<unknown>;
   config: NormalizedModalConfig<TData>;
@@ -70,25 +77,24 @@ const DEFAULT_MODAL_CONFIG: Pick<
   size: 'md',
   closeOnBackdrop: true,
   closeOnEscape: true,
-  showCloseButton: true
+  showCloseButton: true,
 };
 
 const DEFAULT_CONFIRM_MODAL_LABELS = {
   confirmLabel: 'Confirmar',
-  cancelLabel: 'Cancelar'
+  cancelLabel: 'Cancelar',
 } satisfies Pick<ConfirmModalData, 'confirmLabel' | 'cancelLabel'>;
 
 export class ModalRef<TResult = unknown> {
   private readonly afterClosedSubject = new Subject<TResult | undefined>();
   private closed = false;
 
-  readonly afterClosed$: Observable<TResult | undefined> =
-    this.afterClosedSubject.asObservable();
+  readonly afterClosed$: Observable<TResult | undefined> = this.afterClosedSubject.asObservable();
   readonly dismissReason = signal<ModalDismissReason | null>(null);
 
   constructor(
     private readonly closeHandler: (result?: TResult) => void,
-    private readonly dismissHandler: (reason: ModalDismissReason) => void
+    private readonly dismissHandler: (reason: ModalDismissReason) => void,
   ) {}
 
   close(result?: TResult): void {
@@ -120,7 +126,7 @@ export class ModalRef<TResult = unknown> {
 }
 
 @Injectable({
-  providedIn: 'root'
+  providedIn: 'root',
 })
 export class ModalService {
   private readonly activeModalState = signal<ActiveModalState | null>(null);
@@ -128,35 +134,31 @@ export class ModalService {
 
   open<TComponent, TResult = unknown, TData = unknown>(
     component: Type<TComponent>,
-    config: ModalConfig<TData> = {}
+    config: ModalConfig<TData> = {},
   ): ModalRef<TResult> {
     this.activeModalState()?.ref.dismiss('replaced');
 
     let ref!: ModalRef<TResult>;
     ref = new ModalRef<TResult>(
       (result) => this.close(ref, result),
-      (reason) => this.dismiss(ref, reason)
+      (reason) => this.dismiss(ref, reason),
     );
 
     this.activeModalState.set({
       component,
       config: this.normalizeConfig(config),
-      ref: ref as ModalRef<unknown>
+      ref: ref as ModalRef<unknown>,
     });
 
     return ref;
   }
 
   openConfirm(config: ConfirmModalConfig): Observable<boolean> {
-    return this.openConfirmRef(config).afterClosed$.pipe(
-      map((result) => result === true)
-    );
+    return this.openConfirmRef(config).afterClosed$.pipe(map((result) => result === true));
   }
 
   openConfirmDelete(config: ConfirmModalConfig): Observable<boolean> {
-    return this.openConfirmDeleteRef(config).afterClosed$.pipe(
-      map((result) => result === true)
-    );
+    return this.openConfirmDeleteRef(config).afterClosed$.pipe(map((result) => result === true));
   }
 
   openConfirmRef(config: ConfirmModalConfig): ModalRef<boolean> {
@@ -164,23 +166,30 @@ export class ModalService {
   }
 
   openConfirmDeleteRef(config: ConfirmModalConfig): ModalRef<boolean> {
-    return this.open(
-      ConfirmDeleteModalComponent,
-      this.buildConfirmModalConfig(config)
-    );
+    return this.open(ConfirmDeleteModalComponent, this.buildConfirmModalConfig(config));
   }
 
   openSimple(config: SimpleModalConfig): Observable<void> {
-    return this.openSimpleRef(config).afterClosed$.pipe(
-      map(() => undefined)
-    );
+    return this.openSimpleRef(config).afterClosed$.pipe(map(() => undefined));
   }
 
   openSimpleRef(config: SimpleModalConfig): ModalRef<void> {
-    return this.open(
-      SimpleModalComponent,
-      this.buildSimpleModalConfig(config)
-    );
+    return this.open(SimpleModalComponent, this.buildSimpleModalConfig(config));
+  }
+
+  openQr(config: QrModalConfig): Observable<void> {
+    return this.openQrRef(config).afterClosed$.pipe(map(() => undefined));
+  }
+
+  openQrRef(config: QrModalConfig): ModalRef<void> {
+    const { title, id, date, ticket, size = 'qr', ...modalConfig } = config;
+
+    return this.open(QrModalComponent, {
+      ...modalConfig,
+      title,
+      size,
+      data: { id, date, ticket },
+    });
   }
 
   private close<TResult>(ref: ModalRef<TResult>, result?: TResult): void {
@@ -194,7 +203,7 @@ export class ModalService {
 
   private dismiss<TResult>(
     ref: ModalRef<TResult>,
-    reason: ModalDismissReason = 'programmatic'
+    reason: ModalDismissReason = 'programmatic',
   ): void {
     if (this.activeModalState()?.ref !== ref) {
       return;
@@ -204,18 +213,14 @@ export class ModalService {
     this.activeModalState.set(null);
   }
 
-  private normalizeConfig<TData>(
-    config: ModalConfig<TData>
-  ): NormalizedModalConfig<TData> {
+  private normalizeConfig<TData>(config: ModalConfig<TData>): NormalizedModalConfig<TData> {
     return {
       ...DEFAULT_MODAL_CONFIG,
-      ...config
+      ...config,
     };
   }
 
-  private buildConfirmModalConfig(
-    config: ConfirmModalConfig
-  ): ModalConfig<ConfirmModalData> {
+  private buildConfirmModalConfig(config: ConfirmModalConfig): ModalConfig<ConfirmModalData> {
     const {
       content,
       confirmLabel = DEFAULT_CONFIRM_MODAL_LABELS.confirmLabel,
@@ -228,26 +233,20 @@ export class ModalService {
       data: {
         content,
         confirmLabel,
-        cancelLabel
-      }
+        cancelLabel,
+      },
     };
   }
 
-  private buildSimpleModalConfig(
-    config: SimpleModalConfig
-  ): ModalConfig<SimpleModalData> {
-    const {
-      content,
-      buttonLabel = 'Entendido',
-      ...modalConfig
-    } = config;
+  private buildSimpleModalConfig(config: SimpleModalConfig): ModalConfig<SimpleModalData> {
+    const { content, buttonLabel = 'Entendido', ...modalConfig } = config;
 
     return {
       ...modalConfig,
       data: {
         content,
-        buttonLabel
-      }
+        buttonLabel,
+      },
     };
   }
 }
diff --git a/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.html b/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.html
index a61587f..1a573cf 100644
--- a/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.html
+++ b/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.html
@@ -37,6 +37,7 @@
           [date]="formatDate(ticket)"
           [selected]="isSelected(ticket.id)"
           (selectedChange)="toggleTicket(ticket.id, $event)"
+          (viewQr)="viewQr(ticket)"
         />
       }
 
diff --git a/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.spec.ts b/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.spec.ts
index 751147b..26de833 100644
--- a/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.spec.ts
+++ b/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.spec.ts
@@ -3,6 +3,7 @@ import { TestBed } from '@angular/core/testing';
 import { describe, expect, it, vi } from 'vitest';
 
 import { ToastService } from '../../../../../../core/services/toast.service';
+import { ModalService } from '../../../../../../core/services/modal.service';
 import { TicketComponent } from './components/ticket/ticket.component';
 import { TicketResponse, TicketService } from './ticket.service';
 import { TicketsPage } from './tickets-page';
@@ -76,4 +77,42 @@ describe('TicketsPage', () => {
       expect(element.querySelector('[aria-label="Compartir ticket"]')).toBeNull();
     });
   });
+
+  it('opens the QR modal with the selected ticket data', async () => {
+    const modalService = { openQr: vi.fn() };
+
+    await TestBed.configureTestingModule({
+      imports: [TicketsPage],
+      providers: [
+        { provide: ToastService, useValue: { danger: vi.fn() } },
+        { provide: ModalService, useValue: modalService },
+      ],
+    })
+      .overrideComponent(TicketsPage, {
+        set: {
+          providers: [
+            {
+              provide: TicketService,
+              useValue: { getTickets: () => Promise.resolve([ticket({})]) },
+            },
+          ],
+        },
+      })
+      .compileComponents();
+
+    const fixture = TestBed.createComponent(TicketsPage);
+    fixture.detectChanges();
+    await fixture.whenStable();
+    fixture.detectChanges();
+
+    const page = fixture.nativeElement as HTMLElement;
+    page.querySelector<HTMLButtonElement>('app-ticket app-button button')?.click();
+
+    expect(modalService.openQr).toHaveBeenCalledWith({
+      title: 'Entrada general',
+      id: 1,
+      date: '09-octubre',
+      ticket: 'ticket-1',
+    });
+  });
 });
diff --git a/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.ts b/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.ts
index be00505..257d355 100644
--- a/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.ts
+++ b/src/app/features/store/pages/account-page/pages/tickets-page/tickets-page.ts
@@ -1,5 +1,6 @@
 import { Component, computed, inject, OnInit, signal } from '@angular/core';
 
+import { ModalService } from '../../../../../../core/services/modal.service';
 import { ToastService } from '../../../../../../core/services/toast.service';
 import { IconButtonComponent } from '../../../../../../shared/components/icon-button/icon-button.component';
 import { TicketComponent } from './components/ticket/ticket.component';
@@ -15,6 +16,7 @@ import { TicketResponse, TicketService } from './ticket.service';
 export class TicketsPage implements OnInit {
   private readonly ticketService = inject(TicketService);
   private readonly toastService = inject(ToastService);
+  private readonly modalService = inject(ModalService);
 
   protected readonly tickets = signal<TicketResponse[]>([]);
   protected readonly activeTickets = computed(() =>
@@ -75,4 +77,13 @@ export class TicketsPage implements OnInit {
       timeZone: 'UTC',
     }).format(date);
   }
+
+  protected viewQr(ticket: TicketResponse): void {
+    this.modalService.openQr({
+      title: ticket.name,
+      id: ticket.id,
+      date: this.formatDate(ticket) ?? '',
+      ticket: ticket.ticket,
+    });
+  }
 }
diff --git a/src/app/shared/components/modal-shell/modal-shell.component.scss b/src/app/shared/components/modal-shell/modal-shell.component.scss
index 1da346e..d5f80b8 100644
--- a/src/app/shared/components/modal-shell/modal-shell.component.scss
+++ b/src/app/shared/components/modal-shell/modal-shell.component.scss
@@ -19,6 +19,36 @@
   margin: 0;
 }
 
+.modal-shell__dialog--qr {
+  width: min(100%, 15rem);
+}
+
+.modal-shell__dialog--qr .modal-shell__content {
+  min-height: auto;
+  border-radius: 0.35rem;
+  background: #ffffff;
+}
+
+.modal-shell__dialog--qr .modal-shell__header {
+  padding: 1.7rem 1rem 0.35rem;
+}
+
+.modal-shell__dialog--qr .modal-shell__title {
+  color: var(--bs-success, #198754);
+  font-size: 0.8rem;
+  font-weight: 800;
+}
+
+.modal-shell__dialog--qr .modal-shell__header .btn-close {
+  top: 0.85rem;
+  right: 0.85rem;
+  font-size: 0.7rem;
+}
+
+.modal-shell__dialog--qr .modal-shell__body {
+  padding: 0 1rem 1rem;
+}
+
 .modal-shell__dialog.modal-sm {
   width: min(100%, 24rem);
 }
@@ -40,8 +70,7 @@
   min-height: 180px;
   max-height: calc(100dvh - 2rem);
   border-radius: 1.25rem;
-  background:
-    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 248, 248, 0.98));
+  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 248, 248, 0.98));
 }
 
 .modal-shell__dialog--full .modal-shell__content {
@@ -88,6 +117,7 @@
   }
 
   .modal-shell__dialog,
+  .modal-shell__dialog--qr,
   .modal-shell__dialog.modal-sm,
   .modal-shell__dialog.modal-lg,
   .modal-shell__dialog.modal-xl,
diff --git a/src/app/shared/components/modal-shell/modal-shell.component.ts b/src/app/shared/components/modal-shell/modal-shell.component.ts
index 58d0458..7062343 100644
--- a/src/app/shared/components/modal-shell/modal-shell.component.ts
+++ b/src/app/shared/components/modal-shell/modal-shell.component.ts
@@ -6,7 +6,7 @@ import {
   computed,
   input,
   output,
-  viewChild
+  viewChild,
 } from '@angular/core';
 
 import { ModalSize } from '../../../core/services/modal.service';
@@ -16,7 +16,7 @@ import { ModalSize } from '../../../core/services/modal.service';
   imports: [NgClass],
   templateUrl: './modal-shell.component.html',
   styleUrl: './modal-shell.component.scss',
-  changeDetection: ChangeDetectionStrategy.OnPush
+  changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ModalShellComponent {
   private readonly panel = viewChild.required<ElementRef<HTMLElement>>('panel');
@@ -32,10 +32,11 @@ export class ModalShellComponent {
     const size = this.size();
 
     return {
+      'modal-shell__dialog--qr': size === 'qr',
       'modal-sm': size === 'sm',
       'modal-lg': size === 'lg',
       'modal-xl': size === 'xl',
-      'modal-shell__dialog--full': size === 'full'
+      'modal-shell__dialog--full': size === 'full',
     };
   });
 
@@ -55,8 +56,8 @@ export class ModalShellComponent {
         'input:not([disabled])',
         'select:not([disabled])',
         'textarea:not([disabled])',
-        '[tabindex]:not([tabindex="-1"])'
-      ].join(', ')
+        '[tabindex]:not([tabindex="-1"])',
+      ].join(', '),
     );
 
     (focusTarget ?? panel).focus();
diff --git a/src/app/shared/components/qr-modal/qr-modal.component.html b/src/app/shared/components/qr-modal/qr-modal.component.html
new file mode 100644
index 0000000..ff5300f
--- /dev/null
+++ b/src/app/shared/components/qr-modal/qr-modal.component.html
@@ -0,0 +1,16 @@
+<article class="qr-modal">
+  <header class="qr-modal__header">
+    <p class="qr-modal__id">ID: {{ data.id }}</p>
+    @if (data.date) {
+      <time class="qr-modal__date">{{ data.date }}</time>
+    }
+  </header>
+
+  <qrcode
+    class="qr-modal__code"
+    [qrdata]="data.ticket"
+    [width]="320"
+    errorCorrectionLevel="M"
+    [ariaLabel]="'Código QR del ticket ' + data.id"
+  />
+</article>
diff --git a/src/app/shared/components/qr-modal/qr-modal.component.scss b/src/app/shared/components/qr-modal/qr-modal.component.scss
new file mode 100644
index 0000000..f8ede92
--- /dev/null
+++ b/src/app/shared/components/qr-modal/qr-modal.component.scss
@@ -0,0 +1,44 @@
+.qr-modal {
+  display: grid;
+  justify-items: center;
+  gap: 0.65rem;
+  width: 100%;
+  text-align: center;
+}
+
+.qr-modal__header {
+  display: grid;
+  justify-items: center;
+  gap: 0.25rem;
+}
+
+.qr-modal__id {
+  margin: 0;
+}
+
+.qr-modal__id {
+  color: #4f4f4f;
+  font-size: 0.68rem;
+  line-height: 1.2;
+}
+
+.qr-modal__date {
+  margin-top: 0.35rem;
+  color: #8a8a8a;
+  font-size: 0.62rem;
+  line-height: 1.2;
+}
+
+.qr-modal__code {
+  display: block;
+  width: 100%;
+  max-width: 11rem;
+  overflow: hidden;
+  background: #ffffff;
+}
+
+:host ::ng-deep .qr-modal__code canvas {
+  display: block;
+  width: 100% !important;
+  height: auto !important;
+}
diff --git a/src/app/shared/components/qr-modal/qr-modal.component.ts b/src/app/shared/components/qr-modal/qr-modal.component.ts
new file mode 100644
index 0000000..b409cd4
--- /dev/null
+++ b/src/app/shared/components/qr-modal/qr-modal.component.ts
@@ -0,0 +1,15 @@
+import { ChangeDetectionStrategy, Component, inject } from '@angular/core';
+
+import { MODAL_DATA, QrModalData } from '../../../core/services/modal.service';
+import { QRCodeComponent } from '../qrcode/qrcode.component';
+
+@Component({
+  selector: 'app-qr-modal',
+  imports: [QRCodeComponent],
+  templateUrl: './qr-modal.component.html',
+  styleUrl: './qr-modal.component.scss',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class QrModalComponent {
+  protected readonly data = inject<QrModalData>(MODAL_DATA);
+}