feat: count customer by type

src/controllers/customer-controller.ts

@@ -52,6 +52,25 @@ function imageLocation(id: string) {
 @Tags("Customer")
 @Security("keycloak")
 export class CustomerController extends Controller {
+  @Get("type-stats")
+  async stat() {
+    const list = await prisma.customer.groupBy({
+      by: "customerType",
+      _count: true,
+    });
+
+    return list.reduce<Record<CustomerType, number>>(
+      (a, c) => {
+        a[c.customerType] = c._count;
+        return a;
+      },
+      {
+        CORP: 0,
+        PERS: 0,
+      },
+    );
+  }
+
   @Get()
   async list(
     @Query() query: string = "",