feat(frontend): add reservation confirmation page

frontend/src/app/app.routes.ts

@@ -3,6 +3,7 @@ import { Routes } from '@angular/router';
 import { BookingPlaceholderPageComponent } from './pages/booking-placeholder-page.component';
 import { CheckInPlaceholderPageComponent } from './pages/check-in-placeholder-page.component';
 import { HomePageComponent } from './pages/home-page.component';
+import { ReservationConfirmPageComponent } from './pages/reservation-confirm-page.component';
 import { ShowDetailPlaceholderPageComponent } from './pages/show-detail-placeholder-page.component';
 import { ShowListPageComponent } from './pages/show-list-page.component';
 
@@ -11,6 +12,7 @@ export const appRoutes: Routes = [
   { path: 'shows', component: ShowListPageComponent, title: 'Shows | AzioneLab' },
   { path: 'shows/:slug', component: ShowDetailPlaceholderPageComponent, title: 'Show detail | AzioneLab' },
   { path: 'performances/:id/book', component: BookingPlaceholderPageComponent, title: 'Book | AzioneLab' },
+  { path: 'reservations/confirm', component: ReservationConfirmPageComponent, title: 'Confirm reservation | AzioneLab' },
   { path: 'check-in', component: CheckInPlaceholderPageComponent, title: 'Check-in | AzioneLab' },
   { path: '**', redirectTo: '' },
 ];

frontend/src/app/pages/reservation-confirm-page.component.ts

@@ -0,0 +1,210 @@
+import { ChangeDetectionStrategy, Component, DestroyRef, inject, signal } from '@angular/core';
+import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
+import { HttpErrorResponse } from '@angular/common/http';
+import { ActivatedRoute, RouterLink } from '@angular/router';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatIconModule } from '@angular/material/icon';
+import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
+
+import { ReservationConfirmResponse, ShowsApiService } from '../services/shows-api.service';
+
+type ConfirmationState = 'loading' | 'success' | 'invalid' | 'expired' | 'error';
+
+@Component({
+  standalone: true,
+  imports: [
+    RouterLink,
+    MatButtonModule,
+    MatCardModule,
+    MatIconModule,
+    MatProgressSpinnerModule,
+  ],
+  template: `
+    <section class="page">
+      <header class="page-header">
+        <p class="eyebrow">Reservation confirmation</p>
+        <h1>Email confirmation</h1>
+      </header>
+
+      <mat-card class="status-card">
+        <mat-card-content>
+          @if (state() === 'loading') {
+            <div class="status-copy" aria-live="polite">
+              <mat-progress-spinner mode="indeterminate" diameter="36"></mat-progress-spinner>
+              <div>
+                <h2>Confirming reservation...</h2>
+                <p>Please wait while we validate your link.</p>
+              </div>
+            </div>
+          }
+
+          @if (state() === 'success' && confirmation()) {
+            <div class="status-copy success" aria-live="polite">
+              <mat-icon>check_circle</mat-icon>
+              <div>
+                <h2>Reservation confirmed</h2>
+                <p>Your seats are confirmed. Present this QR code at check-in.</p>
+              </div>
+            </div>
+
+            @if (confirmation()!.qr_code_image) {
+              <div class="qr-panel">
+                <img [src]="confirmation()!.qr_code_image" alt="Reservation QR code" />
+              </div>
+            }
+
+            @if (confirmation()!.qr_code_url) {
+              <p class="meta">Check-in URL: <a [href]="confirmation()!.qr_code_url">{{ confirmation()!.qr_code_url }}</a></p>
+            }
+          }
+
+          @if (state() === 'invalid') {
+            <div class="status-copy" aria-live="assertive">
+              <mat-icon>error</mat-icon>
+              <div>
+                <h2>Invalid confirmation link</h2>
+                <p>This token is not valid. Please use the latest email confirmation link.</p>
+              </div>
+            </div>
+          }
+
+          @if (state() === 'expired') {
+            <div class="status-copy" aria-live="assertive">
+              <mat-icon>schedule</mat-icon>
+              <div>
+                <h2>Confirmation link expired</h2>
+                <p>This link has expired. Please create a new reservation.</p>
+              </div>
+            </div>
+          }
+
+          @if (state() === 'error') {
+            <div class="status-copy" aria-live="assertive">
+              <mat-icon>warning</mat-icon>
+              <div>
+                <h2>Could not confirm reservation</h2>
+                <p>Please try again in a moment.</p>
+              </div>
+            </div>
+          }
+        </mat-card-content>
+
+        <mat-card-actions>
+          <a mat-button routerLink="/">Home</a>
+          <a mat-button routerLink="/shows">Shows</a>
+        </mat-card-actions>
+      </mat-card>
+    </section>
+  `,
+  styles: [`
+    .page {
+      max-width: 760px;
+      margin: 0 auto;
+    }
+
+    .page-header {
+      margin-bottom: 24px;
+    }
+
+    .eyebrow {
+      margin: 0 0 10px;
+      color: var(--azionelab-accent);
+      text-transform: uppercase;
+      font-size: 0.78rem;
+      font-weight: 700;
+    }
+
+    h1 {
+      margin: 0;
+      font-size: clamp(2rem, 4vw, 3rem);
+    }
+
+    .status-card {
+      border-radius: 8px;
+      border: 1px solid var(--azionelab-border);
+      background: var(--azionelab-surface);
+      box-shadow: var(--azionelab-shadow);
+    }
+
+    .status-copy {
+      display: flex;
+      align-items: flex-start;
+      gap: 14px;
+    }
+
+    .status-copy h2 {
+      margin: 0 0 6px;
+      font-size: 1.2rem;
+    }
+
+    .status-copy p {
+      margin: 0;
+      color: var(--azionelab-muted);
+      line-height: 1.5;
+    }
+
+    .status-copy.success mat-icon {
+      color: #2e7d32;
+    }
+
+    .qr-panel {
+      margin-top: 18px;
+      padding: 14px;
+      border-radius: 8px;
+      border: 1px solid var(--azionelab-border);
+      display: inline-block;
+      background: white;
+    }
+
+    .qr-panel img {
+      width: min(280px, 100%);
+      height: auto;
+      display: block;
+    }
+
+    .meta {
+      margin: 14px 0 0;
+      word-break: break-word;
+      color: var(--azionelab-muted);
+    }
+  `],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ReservationConfirmPageComponent {
+  private readonly destroyRef = inject(DestroyRef);
+  private readonly route = inject(ActivatedRoute);
+  private readonly showsApi = inject(ShowsApiService);
+
+  protected readonly state = signal<ConfirmationState>('loading');
+  protected readonly confirmation = signal<ReservationConfirmResponse | null>(null);
+
+  constructor() {
+    const token = this.route.snapshot.queryParamMap.get('token')?.trim() ?? '';
+
+    if (!token) {
+      this.state.set('invalid');
+      return;
+    }
+
+    this.showsApi.confirmReservation(token)
+      .pipe(takeUntilDestroyed(this.destroyRef))
+      .subscribe({
+        next: (response) => {
+          this.confirmation.set(response);
+          this.state.set('success');
+        },
+        error: (error: HttpErrorResponse) => {
+          if (error.status === 404 || error.status === 400) {
+            this.state.set('invalid');
+            return;
+          }
+          if (error.status === 410) {
+            this.state.set('expired');
+            return;
+          }
+          this.state.set('error');
+        },
+      });
+  }
+}

frontend/src/app/services/shows-api.service.ts

@@ -44,6 +44,14 @@ export type ReservationCreateResponse = {
   message: string;
 };
 
+export type ReservationConfirmResponse = {
+  reservation_id: number;
+  status: string;
+  party_size: number;
+  qr_code_url?: string;
+  qr_code_image?: string;
+};
+
 type ShowListResponse = {
   results: ShowListItem[];
 };
@@ -79,4 +87,10 @@ export class ShowsApiService {
       payload,
     );
   }
+
+  confirmReservation(token: string): Observable<ReservationConfirmResponse> {
+    return this.http.get<ReservationConfirmResponse>(`${this.apiBaseUrl}/reservations/confirm/`, {
+      params: { token },
+    });
+  }
 }