feat(frontend): composant app-recommendation-list, jointure alertes/recommandations
Une recommandation ne porte que alert_id et GET /recommendations n'a aucun filtre : le composant charge en parallèle les alertes (filtrées par site quand `siteId` est fourni) et toutes les recommandations, puis les joint côté client (joinByAlert, fonction pure testée à part) en groupes par alerte, du plus récent au plus ancien. Chaque groupe montre le contexte de l'alerte (sévérité, type, site, horodatage, message) puis ses actions avec l'explication et la règle. L'input `alertId` réduit la vue à une alerte et la met en évidence ; `reload()` rejoue les deux appels. Un échec de l'un des deux vide tout : une demi-jointure tromperait.
This commit is contained in:
Johan LEROY
@@ -0,0 +1,48 @@
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@if (error(); as message) {
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<ev-alert severity="danger" class="reco-list__banner">{{ message }}</ev-alert>
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} @else if (loading() && !hasData()) {
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<p class="reco-list__state" aria-live="polite">Chargement des recommandations…</p>
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} @else if (visibleGroups().length === 0) {
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<ev-alert severity="success" class="reco-list__banner">{{ emptyMessage() }}</ev-alert>
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}
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<div class="reco-list" [attr.aria-busy]="loading()">
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@for (group of visibleGroups(); track group.alert.alert_id) {
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<ev-card
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class="reco-group"
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[class.reco-group--focus]="group.alert.alert_id === alertId()"
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[id]="'alerte-' + group.alert.alert_id"
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>
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<header class="reco-group__alert">
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<div class="reco-group__meta">
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<ev-badge [tone]="toneFor(group.alert.severity)">{{
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severityLabel(group.alert.severity)
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}}</ev-badge>
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<span class="reco-group__type">{{ typeLabel(group.alert.type) }}</span>
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@if (!siteId()) {
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<a [routerLink]="['/sites', group.alert.site_id]" class="ev-link">{{
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group.siteName
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}}</a>
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}
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<time [attr.datetime]="group.alert.timestamp">{{
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group.alert.timestamp | date: 'dd/MM/yyyy HH:mm'
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}}</time>
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</div>
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<p class="reco-group__message">{{ group.alert.message }}</p>
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</header>
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<ol class="reco-group__items">
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@for (reco of group.recommendations; track reco.recommendation_id) {
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<li class="reco">
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<div class="reco__head">
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<strong class="reco__action">{{ reco.action }}</strong>
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<ev-badge [tone]="ruleTone(reco.rule_reference)">{{
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ruleLabel(reco.rule_reference)
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}}</ev-badge>
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</div>
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<p class="reco__explanation">{{ reco.explanation }}</p>
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</li>
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}
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</ol>
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</ev-card>
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}
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</div>
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@@ -0,0 +1,94 @@
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:host {
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display: block;
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}
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.reco-list__banner {
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display: block;
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margin-bottom: var(--space-3);
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}
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.reco-list__state {
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margin: 0 0 var(--space-3);
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font-size: 0.9rem;
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color: var(--color-text-muted);
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}
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.reco-list {
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display: flex;
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flex-direction: column;
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gap: var(--space-3);
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}
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.reco-group {
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padding: var(--space-4);
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gap: var(--space-3);
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}
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.reco-group--focus {
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border-color: var(--color-primary);
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box-shadow: 0 0 0 3px var(--color-primary-light);
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}
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.reco-group__alert {
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display: flex;
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flex-direction: column;
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gap: var(--space-1);
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padding-bottom: var(--space-3);
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border-bottom: 1px solid var(--color-border-light);
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}
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.reco-group__meta {
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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gap: var(--space-2);
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font-size: 0.8rem;
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color: var(--color-text-muted);
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}
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.reco-group__type {
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font-weight: 600;
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color: var(--color-text);
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}
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.reco-group__message {
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margin: 0;
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font-size: 0.9rem;
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}
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.reco-group__items {
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list-style: none;
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margin: 0;
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padding: 0;
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display: flex;
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flex-direction: column;
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gap: var(--space-2);
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}
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.reco {
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display: flex;
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flex-direction: column;
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gap: 0.25rem;
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padding: var(--space-2) var(--space-3);
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border-radius: var(--radius-sm);
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background: var(--color-bg);
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border-left: 3px solid var(--color-primary);
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}
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.reco__head {
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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justify-content: space-between;
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gap: var(--space-2);
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}
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.reco__action {
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font-size: 0.95rem;
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}
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.reco__explanation {
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margin: 0;
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font-size: 0.85rem;
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color: var(--color-text-muted);
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}
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+244
@@ -0,0 +1,244 @@
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import { ComponentFixture, TestBed } from '@angular/core/testing';
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import { provideRouter } from '@angular/router';
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import { vi } from 'vitest';
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import { NEVER, of, throwError } from 'rxjs';
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import { RecommendationList, joinByAlert } from './recommendation-list';
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import { AlertsService } from '../../../core/services/alerts.service';
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import { RecommendationsService } from '../../../core/services/recommendations.service';
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import { Alert } from '../../models/alert.model';
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import { Recommendation } from '../../models/recommendation.model';
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import { Site } from '../../models/site.model';
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const SITES: Site[] = [
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{
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site_id: 'SITE001',
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site_name: 'Usine Nantes',
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site_type: 'industriel',
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location: 'Nantes',
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capacity_kw: 500,
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status: 'actif',
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},
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{
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site_id: 'SITE002',
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site_name: 'Bureau Lille',
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site_type: 'bureau',
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location: 'Lille',
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capacity_kw: 80,
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status: 'actif',
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},
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];
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function alerte(surcharges: Partial<Alert>): Alert {
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return {
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alert_id: 1,
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site_id: 'SITE001',
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timestamp: '2026-09-15T09:00:00Z',
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type: 'threshold',
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severity: 'high',
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message: 'Puissance appelée au-dessus de la capacité du site',
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value: 812.5,
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threshold: 720,
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metric: 'consumption_kw',
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prediction_id: null,
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...surcharges,
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};
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}
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function reco(surcharges: Partial<Recommendation>): Recommendation {
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return {
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recommendation_id: 1,
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alert_id: 1,
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action: 'Ramener la puissance appelée sous le seuil contractuel',
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explanation: 'Seuil de consommation dépassé sur le site SITE001.',
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rule_reference: 'threshold-reduction-v1',
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created_at: '2026-09-15T09:05:00Z',
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...surcharges,
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};
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}
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const ALERTES: Alert[] = [
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alerte({ alert_id: 1, site_id: 'SITE001', timestamp: '2026-09-15T09:00:00Z' }),
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alerte({
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alert_id: 2,
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site_id: 'SITE002',
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timestamp: '2026-09-15T11:00:00Z',
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severity: 'critical',
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type: 'spike',
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message: 'Variation brutale entre deux lectures consécutives',
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}),
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alerte({ alert_id: 3, site_id: 'SITE001', timestamp: '2026-09-15T10:00:00Z', severity: 'low' }),
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];
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const RECOMMANDATIONS: Recommendation[] = [
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reco({
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recommendation_id: 3,
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alert_id: 2,
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action: "Escalader à l'astreinte sous une heure",
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rule_reference: 'escalade-astreinte-v1',
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}),
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reco({ recommendation_id: 1, alert_id: 1 }),
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reco({
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recommendation_id: 2,
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alert_id: 2,
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action: 'Délester les équipements non prioritaires sur le créneau du pic',
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rule_reference: 'spike-delestage-v1',
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}),
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reco({ recommendation_id: 4, alert_id: 99, rule_reference: 'orpheline-v1' }),
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];
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function setup(
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alertsMock: { getAlerts: ReturnType<typeof vi.fn> },
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recosMock: { getRecommendations: ReturnType<typeof vi.fn> },
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inputs: Record<string, unknown> = {},
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) {
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TestBed.configureTestingModule({
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imports: [RecommendationList],
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providers: [
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provideRouter([]),
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{ provide: AlertsService, useValue: alertsMock },
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{ provide: RecommendationsService, useValue: recosMock },
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],
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});
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const fixture = TestBed.createComponent(RecommendationList);
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for (const [nom, valeur] of Object.entries(inputs)) {
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fixture.componentRef.setInput(nom, valeur);
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}
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return fixture;
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}
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function rendre(fixture: ComponentFixture<RecommendationList>) {
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fixture.detectChanges();
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fixture.detectChanges();
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}
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function texte(fixture: ComponentFixture<RecommendationList>): string {
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return (fixture.nativeElement as HTMLElement).textContent ?? '';
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}
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const recosOk = () => ({ getRecommendations: vi.fn().mockReturnValue(of(RECOMMANDATIONS)) });
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describe('joinByAlert', () => {
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it('groupe par alerte, du plus récent au plus ancien, recommandations par identifiant', () => {
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const groupes = joinByAlert(ALERTES, RECOMMANDATIONS, new Map([['SITE001', 'Usine Nantes']]));
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expect(groupes.map((g) => g.alert.alert_id)).toEqual([2, 1]);
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expect(groupes[0].recommendations.map((r) => r.recommendation_id)).toEqual([2, 3]);
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expect(groupes[1].siteName).toBe('Usine Nantes');
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expect(groupes[0].siteName).toBe('SITE002');
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});
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it('ignore les alertes sans recommandation et les recommandations orphelines', () => {
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const groupes = joinByAlert(ALERTES, RECOMMANDATIONS, new Map());
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expect(groupes.some((g) => g.alert.alert_id === 3)).toBe(false);
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expect(groupes.flatMap((g) => g.recommendations).some((r) => r.alert_id === 99)).toBe(false);
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});
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});
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describe('RecommendationList', () => {
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it('charge alertes et recommandations puis affiche les groupes avec leur contexte', () => {
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const getAlerts = vi.fn().mockReturnValue(of(ALERTES));
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const fixture = setup({ getAlerts }, recosOk(), { sites: SITES });
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rendre(fixture);
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expect(getAlerts).toHaveBeenCalledWith({});
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expect(fixture.nativeElement.querySelectorAll('.reco-group').length).toBe(2);
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const contenu = texte(fixture);
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expect(contenu).toContain('Usine Nantes');
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expect(contenu).toContain('Bureau Lille');
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expect(contenu).toContain('Critique');
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expect(contenu).toContain('Pic de consommation');
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expect(contenu).toContain('Escalade astreinte');
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expect(contenu).toContain('Délester les équipements');
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expect(contenu).toContain('15/09/2026');
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expect(fixture.nativeElement.querySelector('a[href="/sites/SITE002"]')).not.toBeNull();
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expect(fixture.componentInstance.total()).toBe(3);
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expect(fixture.componentInstance.error()).toBeNull();
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});
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it('filtre les alertes du site côté API et masque le lien vers le site', () => {
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const getAlerts = vi.fn().mockReturnValue(of(ALERTES.filter((a) => a.site_id === 'SITE001')));
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const fixture = setup({ getAlerts }, recosOk(), { siteId: 'SITE001', sites: SITES });
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rendre(fixture);
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expect(getAlerts).toHaveBeenCalledWith({ site_id: 'SITE001' });
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expect(fixture.nativeElement.querySelectorAll('.reco-group').length).toBe(1);
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expect(fixture.nativeElement.querySelector('a[href^="/sites/"]')).toBeNull();
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});
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it("ne garde que le groupe de l'alerte ciblée et le met en évidence", () => {
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const fixture = setup({ getAlerts: vi.fn().mockReturnValue(of(ALERTES)) }, recosOk(), {
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alertId: 2,
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});
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rendre(fixture);
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const groupes = fixture.nativeElement.querySelectorAll('.reco-group');
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expect(groupes.length).toBe(1);
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expect(groupes[0].classList.contains('reco-group--focus')).toBe(true);
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expect(groupes[0].id).toBe('alerte-2');
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});
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it("annonce l'absence de recommandation pour une alerte inconnue", () => {
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const fixture = setup({ getAlerts: vi.fn().mockReturnValue(of(ALERTES)) }, recosOk(), {
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alertId: 123,
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});
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rendre(fixture);
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expect(texte(fixture)).toContain('Aucune recommandation pour cette alerte.');
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});
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it("annonce l'absence de recommandation pour le site consulté", () => {
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const fixture = setup(
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{ getAlerts: vi.fn().mockReturnValue(of([])) },
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{ getRecommendations: vi.fn().mockReturnValue(of([])) },
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{ siteId: 'SITE001' },
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);
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rendre(fixture);
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expect(texte(fixture)).toContain('Aucune recommandation pour ce site.');
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});
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it("signale l'indisponibilité et n'affiche aucun groupe si un des deux appels échoue", () => {
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const fixture = setup(
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{ getAlerts: vi.fn().mockReturnValue(of(ALERTES)) },
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{ getRecommendations: vi.fn().mockReturnValue(throwError(() => new Error('nope'))) },
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);
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rendre(fixture);
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expect(fixture.componentInstance.error()).not.toBeNull();
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expect(fixture.componentInstance.groups()).toEqual([]);
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expect(texte(fixture)).toContain('Recommandations indisponibles');
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expect(fixture.nativeElement.querySelectorAll('.reco-group').length).toBe(0);
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});
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it('annonce le chargement tant que la réponse ne vient pas', () => {
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const fixture = setup(
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{ getAlerts: vi.fn().mockReturnValue(NEVER) },
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{ getRecommendations: vi.fn().mockReturnValue(NEVER) },
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);
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rendre(fixture);
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expect(fixture.componentInstance.loading()).toBe(true);
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expect(texte(fixture)).toContain('Chargement des recommandations');
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});
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it('recharge les deux flux à la demande', () => {
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const getAlerts = vi.fn().mockReturnValue(of(ALERTES));
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const recos = recosOk();
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const fixture = setup({ getAlerts }, recos);
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rendre(fixture);
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fixture.componentInstance.reload();
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rendre(fixture);
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expect(getAlerts).toHaveBeenCalledTimes(2);
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expect(recos.getRecommendations).toHaveBeenCalledTimes(2);
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});
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});
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@@ -0,0 +1,163 @@
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import { Component, DestroyRef, computed, inject, input, signal } from '@angular/core';
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import { takeUntilDestroyed, toObservable } from '@angular/core/rxjs-interop';
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import { DatePipe } from '@angular/common';
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import { RouterLink } from '@angular/router';
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import { catchError, EMPTY, forkJoin, Observable, switchMap, tap } from 'rxjs';
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import { AlertsService } from '../../../core/services/alerts.service';
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import { RecommendationsService } from '../../../core/services/recommendations.service';
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import { Alert, AlertSeverity, AlertType } from '../../models/alert.model';
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import { Recommendation } from '../../models/recommendation.model';
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import { Site } from '../../models/site.model';
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import {
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LIBELLE_PAR_SEVERITE,
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LIBELLE_PAR_TYPE,
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TON_PAR_SEVERITE,
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} from '../../models/alert-presentation';
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import { libelleRegle, tonRegle } from '../../models/recommendation-presentation';
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import { Card } from '../ui/card/card';
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import { Badge, BadgeTone } from '../ui/badge/badge';
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import { Alert as EvAlert } from '../ui/alert/alert';
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const UNAVAILABLE_MESSAGE = 'Recommandations indisponibles, réessayez plus tard.';
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export interface RecommendedAlertView {
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alert: Alert;
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siteName: string;
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recommendations: Recommendation[];
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}
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interface Chargement {
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alerts: Alert[];
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recommendations: Recommendation[];
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}
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||||
// Pourquoi : une recommandation ne porte que alert_id, jamais site_id, et /recommendations n'a
|
||||
// aucun filtre ; la jointure se fait ici, en O(alertes), acceptable à la taille du jeu de données.
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||||
export function joinByAlert(
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alerts: Alert[],
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||||
recommendations: Recommendation[],
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siteNames: Map<string, string>,
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||||
): RecommendedAlertView[] {
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const parAlerte = new Map<number, Recommendation[]>();
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for (const recommandation of recommendations) {
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const liste = parAlerte.get(recommandation.alert_id) ?? [];
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liste.push(recommandation);
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parAlerte.set(recommandation.alert_id, liste);
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}
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return alerts
|
||||
.filter((alert) => parAlerte.has(alert.alert_id))
|
||||
.map((alert) => ({
|
||||
alert,
|
||||
siteName: siteNames.get(alert.site_id) ?? alert.site_id,
|
||||
recommendations: [...(parAlerte.get(alert.alert_id) ?? [])].sort(
|
||||
(a, b) => a.recommendation_id - b.recommendation_id,
|
||||
),
|
||||
}))
|
||||
.sort((a, b) => Date.parse(b.alert.timestamp) - Date.parse(a.alert.timestamp));
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'app-recommendation-list',
|
||||
standalone: true,
|
||||
imports: [DatePipe, RouterLink, Card, Badge, EvAlert],
|
||||
templateUrl: './recommendation-list.html',
|
||||
styleUrl: './recommendation-list.scss',
|
||||
})
|
||||
export class RecommendationList {
|
||||
private alertsService = inject(AlertsService);
|
||||
private recommendationsService = inject(RecommendationsService);
|
||||
private destroyRef = inject(DestroyRef);
|
||||
|
||||
siteId = input<string | null>(null);
|
||||
alertId = input<number | null>(null);
|
||||
sites = input<Site[]>([]);
|
||||
|
||||
private data = signal<Chargement | null>(null);
|
||||
private reloadTick = signal(0);
|
||||
loading = signal(true);
|
||||
error = signal<string | null>(null);
|
||||
|
||||
private trigger = computed(() => ({ siteId: this.siteId(), tick: this.reloadTick() }));
|
||||
|
||||
private siteNameById = computed(
|
||||
() => new Map(this.sites().map((site) => [site.site_id, site.site_name])),
|
||||
);
|
||||
|
||||
hasData = computed(() => this.data() !== null);
|
||||
|
||||
groups = computed<RecommendedAlertView[]>(() => {
|
||||
const data = this.data();
|
||||
return data ? joinByAlert(data.alerts, data.recommendations, this.siteNameById()) : [];
|
||||
});
|
||||
|
||||
visibleGroups = computed(() => {
|
||||
const alertId = this.alertId();
|
||||
const groups = this.groups();
|
||||
return alertId === null ? groups : groups.filter((group) => group.alert.alert_id === alertId);
|
||||
});
|
||||
|
||||
total = computed(() =>
|
||||
this.visibleGroups().reduce((somme, group) => somme + group.recommendations.length, 0),
|
||||
);
|
||||
|
||||
emptyMessage = computed(() => {
|
||||
if (this.alertId() !== null) {
|
||||
return 'Aucune recommandation pour cette alerte.';
|
||||
}
|
||||
return this.siteId()
|
||||
? 'Aucune recommandation pour ce site.'
|
||||
: 'Aucune recommandation pour le moment.';
|
||||
});
|
||||
|
||||
constructor() {
|
||||
toObservable(this.trigger)
|
||||
.pipe(
|
||||
tap(() => this.loading.set(true)),
|
||||
switchMap(({ siteId }) =>
|
||||
forkJoin({
|
||||
alerts: this.alertsService.getAlerts(siteId ? { site_id: siteId } : {}),
|
||||
recommendations: this.recommendationsService.getRecommendations(),
|
||||
}).pipe(catchError(() => this.reportUnavailable())),
|
||||
),
|
||||
takeUntilDestroyed(this.destroyRef),
|
||||
)
|
||||
.subscribe((data) => {
|
||||
this.loading.set(false);
|
||||
this.error.set(null);
|
||||
this.data.set(data);
|
||||
});
|
||||
}
|
||||
|
||||
reload(): void {
|
||||
this.reloadTick.update((tick) => tick + 1);
|
||||
}
|
||||
|
||||
toneFor(severity: AlertSeverity): BadgeTone {
|
||||
return TON_PAR_SEVERITE[severity];
|
||||
}
|
||||
|
||||
severityLabel(severity: AlertSeverity): string {
|
||||
return LIBELLE_PAR_SEVERITE[severity];
|
||||
}
|
||||
|
||||
typeLabel(type: AlertType): string {
|
||||
return LIBELLE_PAR_TYPE[type];
|
||||
}
|
||||
|
||||
ruleLabel(reference: string): string {
|
||||
return libelleRegle(reference);
|
||||
}
|
||||
|
||||
ruleTone(reference: string): BadgeTone {
|
||||
return tonRegle(reference);
|
||||
}
|
||||
|
||||
// Piège : vider les données avec l'erreur ; une demi-jointure (alertes sans recommandations,
|
||||
// ou l'inverse) afficherait des groupes faux plutôt que rien.
|
||||
private reportUnavailable(): Observable<never> {
|
||||
this.loading.set(false);
|
||||
this.error.set(UNAVAILABLE_MESSAGE);
|
||||
this.data.set(null);
|
||||
return EMPTY;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user