feat(frontend): vue /recommendations avec filtre site, focus ?alert= et génération admin

Page derrière authGuard, ouverte à tous les rôles : filtre site (.form-select, présélectionné par ?site=), focus sur une alerte par ?alert= (entier strictement positif, sinon ignoré), et pour les admins un bouton « Générer les recommandations » qui appelle POST /recommendations/generate sur le site filtré, affiche le bilan accordé en nombre et recharge la liste. Route ajoutée dans app.routes.ts, lien « Recommandations » dans la navigation du tableau de bord.
2026-09-21 14:41:33 +02:00
parent 90639b5618
commit d16de84559
6 changed files with 400 additions and 7 deletions
@@ -0,0 +1,85 @@
+import { Component, computed, inject, signal, viewChild } from '@angular/core';
+import { toSignal } from '@angular/core/rxjs-interop';
+import { ActivatedRoute, RouterLink } from '@angular/router';
+import { catchError, map, of } from 'rxjs';
+import { SitesService } from '../../core/services/sites.service';
+import { RecommendationsService } from '../../core/services/recommendations.service';
+import { AuthService } from '../../core/services/auth.service';
+import { Site } from '../../shared/models/site.model';
+import { RecommendationGenerationReport } from '../../shared/models/recommendation.model';
+import { RecommendationList } from '../../shared/components/recommendation-list/recommendation-list';
+import { Alert as EvAlert } from '../../shared/components/ui/alert/alert';
+import { Brand } from '../../shared/components/ui/brand/brand';
+import { Button } from '../../shared/components/ui/button/button';
+
+const GENERATION_FAILED_MESSAGE =
+  'La génération des recommandations a échoué, réessayez plus tard.';
+
+export function parseAlertId(raw: string | null): number | null {
+  return raw !== null && /^[1-9]\d*$/.test(raw) ? Number(raw) : null;
+}
+
+function pluriel(nombre: number, singulier: string, plurielForme: string): string {
+  return `${nombre} ${nombre > 1 ? plurielForme : singulier}`;
+}
+
+@Component({
+  selector: 'app-recommendations',
+  standalone: true,
+  imports: [RouterLink, RecommendationList, EvAlert, Brand, Button],
+  templateUrl: './recommendations.html',
+  styleUrl: './recommendations.scss',
+})
+export class RecommendationsView {
+  private route = inject(ActivatedRoute);
+  private sitesService = inject(SitesService);
+  private recommendationsService = inject(RecommendationsService);
+  private auth = inject(AuthService);
+
+  alertId = toSignal(
+    this.route.queryParamMap.pipe(map((params) => parseAlertId(params.get('alert')))),
+    { initialValue: null },
+  );
+  siteFilter = signal<string | null>(this.route.snapshot.queryParamMap.get('site'));
+  sites = toSignal(this.sitesService.getSites().pipe(catchError(() => of([] as Site[]))), {
+    initialValue: [] as Site[],
+  });
+
+  list = viewChild.required(RecommendationList);
+
+  isAdmin = computed(() => this.auth.principal()?.role === 'admin');
+  generating = signal(false);
+  generationReport = signal<RecommendationGenerationReport | null>(null);
+  generationError = signal<string | null>(null);
+
+  onSiteChange(event: Event): void {
+    this.siteFilter.set((event.target as HTMLSelectElement).value || null);
+  }
+
+  onGenerate(): void {
+    if (this.generating()) {
+      return;
+    }
+    this.generating.set(true);
+    this.generationError.set(null);
+    this.recommendationsService.generate(this.siteFilter() ?? undefined).subscribe({
+      next: (report) => {
+        this.generating.set(false);
+        this.generationReport.set(report);
+        this.list().reload();
+      },
+      error: () => {
+        this.generating.set(false);
+        this.generationError.set(GENERATION_FAILED_MESSAGE);
+      },
+    });
+  }
+
+  bilan(report: RecommendationGenerationReport): string {
+    return [
+      pluriel(report.recommendations_created, 'recommandation créée', 'recommandations créées'),
+      pluriel(report.already_present, 'déjà présente', 'déjà présentes'),
+      pluriel(report.alerts_examined, 'alerte examinée', 'alertes examinées'),
+    ].join(', ');
+  }
+}