feat: manage group buy order readiness

backend/src/main/java/com/linhelp/groupbuy/GroupBuyController.java

@@ -77,6 +77,18 @@ public class GroupBuyController {
         return ApiResponse.ok(orderService.listByGroupBuy(id));
     }
 
+    @PutMapping("/api/admin/group-buy-orders/{id}/confirm")
+    @RequireRole({"PLATFORM_ADMIN", "COMMUNITY_ADMIN", "MERCHANT"})
+    public ApiResponse<GroupBuyOrderResponse> confirmOrder(@PathVariable Long id) {
+        return ApiResponse.ok(orderService.confirm(id));
+    }
+
+    @PutMapping("/api/admin/group-buy-orders/{id}/ready")
+    @RequireRole({"PLATFORM_ADMIN", "COMMUNITY_ADMIN", "MERCHANT"})
+    public ApiResponse<GroupBuyOrderResponse> markOrderReady(@PathVariable Long id) {
+        return ApiResponse.ok(orderService.markReady(id));
+    }
+
     @GetMapping("/api/mini/group-buys")
     public ApiResponse<List<GroupBuyResponse>> listMini() {
         CurrentUser user = authService.currentUser();

backend/src/test/java/com/linhelp/groupbuy/GroupBuyControllerTests.java

@@ -0,0 +1,60 @@
+package com.linhelp.groupbuy;
+
+import com.linhelp.common.enums.DeliveryMethod;
+import com.linhelp.common.enums.GroupBuyOrderStatus;
+import com.linhelp.common.security.AuthService;
+import com.linhelp.common.security.CurrentUser;
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDateTime;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class GroupBuyControllerTests {
+    @Test
+    void adminCanConfirmAndMarkGroupBuyOrderReady() {
+        GroupBuyService groupBuyService = new GroupBuyService();
+        GroupBuyOrderService orderService = new GroupBuyOrderService(groupBuyService);
+        GroupBuyController controller = new GroupBuyController(groupBuyService, orderService, new StubAuthService());
+        GroupBuyResponse groupBuy = groupBuyService.create(groupBuyRequest());
+        groupBuyService.start(groupBuy.getId());
+        GroupBuyOrderResponse order = orderService.create(1000L, orderRequest(groupBuy.getId()));
+
+        GroupBuyOrderResponse confirmed = controller.confirmOrder(order.getId()).getData();
+        GroupBuyOrderResponse ready = controller.markOrderReady(order.getId()).getData();
+
+        assertThat(confirmed.getStatus()).isEqualTo(GroupBuyOrderStatus.CONFIRMED);
+        assertThat(ready.getStatus()).isEqualTo(GroupBuyOrderStatus.PENDING_DELIVERY);
+    }
+
+    private GroupBuyRequest groupBuyRequest() {
+        GroupBuyRequest request = new GroupBuyRequest();
+        request.setTenantId(1L);
+        request.setCommunityId(1L);
+        request.setTitle("Today eggs");
+        request.setPriceCent(2990);
+        request.setStock(100);
+        request.setStartTime(LocalDateTime.now().minusHours(1));
+        request.setEndTime(LocalDateTime.now().plusDays(1));
+        request.setPickupAddress("North gate");
+        return request;
+    }
+
+    private GroupBuyOrderRequest orderRequest(Long groupBuyId) {
+        GroupBuyOrderRequest request = new GroupBuyOrderRequest();
+        request.setTenantId(1L);
+        request.setCommunityId(1L);
+        request.setGroupBuyId(groupBuyId);
+        request.setAddressId(1L);
+        request.setQuantity(2);
+        request.setDeliveryMethod(DeliveryMethod.IMMEDIATE);
+        return request;
+    }
+
+    private static class StubAuthService extends AuthService {
+        @Override
+        public CurrentUser currentUser() {
+            return new CurrentUser(1L, 1L, 1L, "COMMUNITY_ADMIN");
+        }
+    }
+}