✨ 将应收账单预览导出改为异步处理

bms-back/bms-admin/src/main/java/com/bms/web/controller/receivable/ArBillController.java

@@ -3,6 +3,7 @@ package com.bms.web.controller.receivable;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Date;
+import java.util.Map;
 
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
@@ -30,13 +31,12 @@ import com.bms.receivable.domain.ArBillGenerateTask;
 import com.bms.receivable.domain.ArBillLog;
 import com.bms.receivable.domain.vo.ArBillActionRequest;
 import com.bms.receivable.domain.vo.ArBillGenerateQuery;
-import com.bms.receivable.domain.vo.ArBillGeneratePreviewExportRow;
 import com.bms.receivable.domain.vo.ArBillGenerateRequest;
 import com.bms.receivable.domain.vo.ArBillListExportRow;
 import com.bms.receivable.domain.vo.ArBillQuery;
-import com.bms.receivable.enums.ArBillDateType;
 import com.bms.receivable.service.IArBillService;
 import com.bms.receivable.security.ArBillScopeResolver;
+import com.bms.receivable.task.ArBillGeneratePreviewExportRunner;
 import com.bms.common.annotation.Log;
 import com.bms.common.core.controller.BaseController;
 import com.bms.common.core.domain.AjaxResult;
@@ -64,6 +64,9 @@ public class ArBillController extends BaseController {
     @Autowired
     private ArBillScopeResolver billScope;
 
+    @Autowired
+    private ArBillGeneratePreviewExportRunner previewExportRunner;
+
     /** 应收筛选专用客户选项，与账单使用同一角色规则。 */
     @PreAuthorize("@ss.hasPermi('ar:bill:list')")
     @GetMapping("/customer-options")
@@ -174,26 +177,25 @@ public class ArBillController extends BaseController {
         return result;
     }
 
-    /** 按生成预览使用的相同筛选条件导出全部匹配订单，不受分页参数影响。 */
+    /** 按生成预览使用的相同筛选条件提交异步导出任务。 */
     @Log(title = "应收账单生成订单", businessType = BusinessType.EXPORT)
     @PreAuthorize("@ss.hasPermi('ar:bill:generate')")
     @PostMapping("/generate/preview/export")
-    public void exportGeneratePreview(HttpServletResponse response, ArBillGenerateQuery query,
-                                      HttpServletRequest request) {
-        rejectMultiValueParameter(request, "customerId");
-        ArBillGenerateQuery exportQuery = query == null ? new ArBillGenerateQuery() : query;
-        List<PrcOrderBill> bills = billService.previewBill(exportQuery);
-        List<ArBillGeneratePreviewExportRow> rows = new ArrayList<>(bills.size());
-        for (PrcOrderBill bill : bills) {
-            rows.add(ArBillGeneratePreviewExportRow.from(bill));
-        }
-        ExcelUtil<ArBillGeneratePreviewExportRow> util = new ExcelUtil<>(ArBillGeneratePreviewExportRow.class);
-        if (ArBillDateType.PICKUP_DATE == ArBillDateType.of(exportQuery.getDateType())) {
-            util.hideColumn("bizDate");
-        } else {
-            util.hideColumn("pickupDate");
-        }
-        util.exportExcel(response, rows, "应收账单待生成订单");
+    public AjaxResult exportGeneratePreview(@RequestBody ArBillGenerateQuery query) {
+        return success(Map.of("taskId", previewExportRunner.submit(query, getUserId())));
+    }
+
+    @PreAuthorize("@ss.hasPermi('ar:bill:generate')")
+    @GetMapping("/generate/preview/export/task/{taskId}")
+    public AjaxResult generatePreviewExportTask(@PathVariable String taskId) {
+        return success(previewExportRunner.getTask(taskId, getUserId()));
+    }
+
+    @PreAuthorize("@ss.hasPermi('ar:bill:generate')")
+    @GetMapping("/generate/preview/export/download/{taskId}")
+    public void downloadGeneratePreviewExport(@PathVariable String taskId, HttpServletResponse response)
+            throws Exception {
+        previewExportRunner.download(taskId, getUserId(), response);
     }
 
     /** 查询需要从全选结果中排除的订单；空条件不执行查询，避免返回全部订单。 */