更新了写真预约模块

src/main/java/com/cultural/heritage/controller/order/PendingServiceGoodController.java

@@ -9,6 +9,7 @@ import com.cultural.heritage.common.ErrorCode;
 import com.cultural.heritage.common.ResultUtils;
 import com.cultural.heritage.constant.UserConstant;
 import com.cultural.heritage.exception.BusinessException;
+import com.cultural.heritage.model.dto.CommonRequest;
 import com.cultural.heritage.model.dto.order.BookingOrderQueryRequest;
 import com.cultural.heritage.model.entity.PendingServiceGood;
 import com.cultural.heritage.model.entity.PendingServiceOrder;
@@ -17,9 +18,11 @@ import com.cultural.heritage.model.vo.order.PendingServiceOrderVO;
 import com.cultural.heritage.service.common.CommonService;
 import com.cultural.heritage.service.order.PendingServiceGoodService;
 import com.cultural.heritage.service.order.PendingServiceOrderService;
+import com.cultural.heritage.service.user.UserService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.annotation.Resource;
+import jakarta.servlet.http.HttpServletRequest;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeanUtils;
 import org.springframework.transaction.annotation.Transactional;
@@ -53,6 +56,9 @@ public class PendingServiceGoodController {
     private CommonService commonService;
 
 
+    @Resource
+    private UserService userService;
+
 
     /**
      * Web端管理员查询预约情况
@@ -60,7 +66,7 @@ public class PendingServiceGoodController {
      * @return 服务类商品预约情况列表
      */
     @PostMapping("/list/advance/detail")
-    @Operation(summary = "Web端管理员查询预约情况", description = "参数：订单查询请求体，权限：管理员(admin, boss)，方法名：listOrder")
+    @Operation(summary = "Web端管理员查询预约情况", description = "参数：服务类商品预约情况查询请求体，权限：管理员(admin, boss)，方法名：listOrder")
     @AuthCheck(mustRole = UserConstant.ADMIN_ROLE)
     public BaseResponse<Page<PendingServiceGoodVO>> listBookingOrderDetail(@RequestBody BookingOrderQueryRequest bookingOrderQueryRequest) {
         if (bookingOrderQueryRequest == null) {
@@ -109,4 +115,43 @@ public class PendingServiceGoodController {
     }
 
 
+    /**
+     * 小程序端用户查看当前商品的预约情况
+     * @param commonRequest  商品id
+     * @return 当前商品不同时间段的预约人数（键：预约日期&预约时间段，值：剩余可预约人数）
+     */
+    @PostMapping("/list/advance/count")
+    @Operation(summary = "小程序端用户查看当前预约人数", description = "参数：服务类商品预约情况查询请求体，权限：管理员(admin, boss)，方法名：listOrder")
+    public BaseResponse<Map<String, Integer>> getCurrentBookingNumberMap(@RequestBody CommonRequest commonRequest, HttpServletRequest request) {
+        if (commonRequest == null) {
+            throw new BusinessException(ErrorCode.PARAMS_ERROR);
+        }
+        userService.getLoginUser(request);
+        Long id = commonRequest.getId();
+        // 获取当前服务类商品的预约时间段
+        List<PendingServiceGood> pendingServiceGoodList = commonService.findByFieldEqTargetField("goodId", id, pendingServiceGoodService);
+        // 获取当前服务类商品的预约情况
+        List<PendingServiceOrder> pendingServiceOrderList = commonService.findByFieldInTargetField(pendingServiceGoodList, pendingServiceOrderService, PendingServiceGood::getId, "pendingId");
+        // 封装Map集合（键：服务类商品待处理id，值：预约人数）
+        Map<Long, Integer> countMap = new HashMap<>();
+        for (PendingServiceOrder pendingServiceOrder : pendingServiceOrderList) {
+            Long pendingId = pendingServiceOrder.getPendingId();
+            Integer quantity = pendingServiceOrder.getQuantity();
+            Integer currentNumber = countMap.get(pendingId);
+            countMap.put(pendingId, currentNumber == null ? quantity : currentNumber + quantity);
+        }
+        // 封装Map集合（键：预约日期&预约时间段，值：剩余可预约人数）
+        Map<String, Integer> bookingNumberMap = new HashMap<>();
+        for (PendingServiceGood pendingServiceGood : pendingServiceGoodList) {
+            Long pendingId = pendingServiceGood.getId();
+            Integer count = countMap.get(pendingId);
+            String reservationDate = pendingServiceGood.getReservationDate();
+            String timeSlot = pendingServiceGood.getTimeSlot();
+            Integer maxNumber = pendingServiceGood.getMaxNumber();
+            bookingNumberMap.put(reservationDate + "&" + timeSlot, count == null ? maxNumber : maxNumber - count);
+        }
+        return ResultUtils.success(bookingNumberMap);
+    }
+
+
 }