feat: get branch stats by hq or br

src/controllers/branch-controller.ts

@@ -61,6 +61,22 @@ type BranchUpdate = {
 @Tags("Branch")
 @Security("keycloak")
 export class BranchController extends Controller {
+  @Get("stats")
+  async getStats() {
+    const list = await prisma.branch.groupBy({
+      _count: true,
+      by: "isHeadOffice",
+    });
+
+    return list.reduce<Record<"hq" | "br", number>>(
+      (a, c) => {
+        a[c.isHeadOffice ? "hq" : "br"] = c._count;
+        return a;
+      },
+      { hq: 0, br: 0 },
+    );
+  }
+
   @Get("user-stats")
   async getUserStat(@Query() userType?: UserType) {
     const list = await prisma.branchUser.groupBy({