feat(backend): add responsable dashboard endpoint

eme-backend/src/repositories/responsable.repository.ts

@@ -0,0 +1,71 @@
+import { Prisma } from '@prisma/client';
+import { prisma } from '../db/prisma';
+
+export interface StatutCount {
+  statut: string;
+  count: number;
+}
+
+export type ActiviteResponsable = Prisma.HistoriqueGetPayload<{
+  include: {
+    utilisateur: true;
+    materiel: true;
+    emprunt: true;
+  };
+}>;
+
+function mapStatutCounts(rows: Array<{ statut: string; _count: { _all: number } }>): StatutCount[] {
+  return rows.map((row) => ({ statut: row.statut, count: row._count._all }));
+}
+
+export async function countMaterielsParStatut(campusId: number): Promise<StatutCount[]> {
+  const rows = await prisma.materiel.groupBy({
+    by: ['statut'],
+    where: { campusId, actif: true },
+    _count: { _all: true },
+  });
+
+  return mapStatutCounts(rows);
+}
+
+export async function countEmpruntsParStatut(campusId: number): Promise<StatutCount[]> {
+  const rows = await prisma.emprunt.groupBy({
+    by: ['statut'],
+    where: { campusId },
+    _count: { _all: true },
+  });
+
+  return mapStatutCounts(rows);
+}
+
+export async function countAnomaliesParStatut(campusId: number): Promise<StatutCount[]> {
+  const rows = await prisma.anomalie.groupBy({
+    by: ['statut'],
+    where: { emprunt: { campusId } },
+    _count: { _all: true },
+  });
+
+  return mapStatutCounts(rows);
+}
+
+export function countNotificationsNonLues(utilisateurId: number): Promise<number> {
+  return prisma.notification.count({
+    where: { utilisateurId, lu: false },
+  });
+}
+
+export function findActiviteRecente(
+  campusId: number,
+  limite: number,
+): Promise<ActiviteResponsable[]> {
+  return prisma.historique.findMany({
+    where: { campusId },
+    include: {
+      utilisateur: true,
+      materiel: true,
+      emprunt: true,
+    },
+    orderBy: { dateAction: 'desc' },
+    take: limite,
+  });
+}