feat(warehouse): 添加仓库使用次数统计功能

- 在WmsMaterialCoilMapper中新增selectWarehouseIdCount方法用于统计仓库钢卷数量
- 在WmsWarehouseBo中新增orderByUseCount字段支持按使用次数排序
- 修改WmsWarehouseServiceImpl实现按使用次数或序号排序逻辑
- 创建WarehouseUseCountTask定时任务每晚1点更新仓库使用次数
- 实现定时计算各仓库中钢卷数量并更新到useCount字段功能

klp-wms/src/main/java/com/klp/task/WarehouseUseCountTask.java

@@ -0,0 +1,61 @@
+package com.klp.task;
+
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.klp.domain.WmsWarehouse;
+import com.klp.mapper.WmsMaterialCoilMapper;
+import com.klp.mapper.WmsWarehouseMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@Slf4j
+@RequiredArgsConstructor
+@Component
+public class WarehouseUseCountTask {
+
+    private final WmsMaterialCoilMapper materialCoilMapper;
+    private final WmsWarehouseMapper warehouseMapper;
+
+    @Scheduled(cron = "0 0 1 * * ?")
+    @Transactional(rollbackFor = Exception.class)
+    public void calculateWarehouseUseCount() {
+        log.info("[仓库使用次数定时任务] 开始计算仓库使用次数");
+
+        LambdaQueryWrapper<WmsWarehouse> wrapper = new LambdaQueryWrapper<>();
+        wrapper.select(WmsWarehouse::getWarehouseId);
+        List<WmsWarehouse> warehouses = warehouseMapper.selectList(wrapper);
+
+        if (warehouses.isEmpty()) {
+            log.info("[仓库使用次数定时任务] 未找到仓库记录");
+            return;
+        }
+
+        List<Long> warehouseIds = warehouses.stream()
+                .map(WmsWarehouse::getWarehouseId)
+                .collect(Collectors.toList());
+
+        List<Map<String, Object>> countList = materialCoilMapper.selectWarehouseIdCount(warehouseIds);
+
+        Map<Long, Long> countMap = new HashMap<>();
+        for (Map<String, Object> item : countList) {
+            Long wid = ((Number) item.get("warehouse_id")).longValue();
+            Long count = ((Number) item.get("coil_count")).longValue();
+            countMap.put(wid, count);
+        }
+
+        for (WmsWarehouse warehouse : warehouses) {
+            Long count = countMap.getOrDefault(warehouse.getWarehouseId(), 0L);
+            warehouse.setUseCount(count.intValue());
+            warehouseMapper.updateById(warehouse);
+        }
+
+        log.info("[仓库使用次数定时任务] 完成，共更新 {} 个仓库", warehouses.size());
+    }
+}