Add delete report API

interface-checklist.md

@@ -16,6 +16,6 @@
 | 10 | POST | `/api/tasks` | 创建识别任务 | `src/api/report.js` | ✅ 已修正 | 支持 `product_name/testing_date/contact_phone` 等表单字段 |
 | 11 | POST | `/api/reports/{id}/submit` | 用户确认提交 | `src/api/report.js` | ✅ 已修正 | OCR 通过后将状态置为 `pending` 并记录历史 |
 | 12 | POST | `/api/reports/{id}/audit` | 审核提交 | `src/api/report.js` | ✅ 已修正 | 支持 `status/opinion/files`，保存附件并记录历史 |
-| 13 | DELETE | `/api/reports/{id}` | 删除报告 | `src/api/report.js` |  |  |
+| 13 | DELETE | `/api/reports/{id}` | 删除报告 | `src/api/report.js` | ✅ 已修正 | 删除任务并清理 pdf/预览/附件目录 |
 | 14 | POST | `/api/validate-cma` | CMA 校验 | `src/api/report.js` |  |  |
 | 15 | GET | `/api/reports/{id}/pdf` | PDF 预览 | `src/views/shibieneirong/shenhe/index.vue` |  |  |

src/main/java/com/chinaweal/youfool/reportdetect/modules/task/controller/TaskController.java

@@ -236,6 +236,23 @@ public class TaskController {
         }
     }
 
+    @DeleteMapping("/reports/{id}")
+    @SaCheckRole(value = { "ADMIN", "USER" }, mode = SaMode.OR)
+    public ResponseEntity<?> deleteReport(@PathVariable("id") String id) {
+        try {
+            taskService.deleteReport(id);
+            Map<String, Object> resp = new HashMap<>();
+            resp.put("code", 0);
+            resp.put("msg", "Deleted");
+            return ResponseEntity.ok(resp);
+        } catch (IllegalArgumentException e) {
+            Map<String, Object> resp = new HashMap<>();
+            resp.put("code", 1);
+            resp.put("msg", e.getMessage());
+            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(resp);
+        }
+    }
+
     @GetMapping("/statistics")
     @SaCheckRole(value = { "ADMIN", "AUDITOR", "USER" }, mode = SaMode.OR)
     public ResponseEntity<?> getStatistics() {

src/main/java/com/chinaweal/youfool/reportdetect/modules/task/service/TaskService.java

@@ -618,6 +618,51 @@ public class TaskService {
         taskRepository.save(task);
     }
 
+    @Transactional
+    public void deleteReport(String approvalId) {
+        if (approvalId == null || approvalId.isBlank()) {
+            throw new IllegalArgumentException("approval_id is required");
+        }
+        Task task = taskRepository.findByApprovalId(approvalId);
+        if (task == null) {
+            return;
+        }
+
+        if (task.getPdfPath() != null) {
+            try {
+                Files.deleteIfExists(Paths.get(task.getPdfPath()));
+            } catch (IOException ignored) {
+                // ignore cleanup failure
+            }
+        }
+
+        try {
+            deleteDirectory(Paths.get(previewDir, approvalId));
+        } catch (IOException ignored) {
+        }
+
+        try {
+            deleteDirectory(Paths.get(attachmentDir, approvalId));
+        } catch (IOException ignored) {
+        }
+
+        taskRepository.delete(task);
+    }
+
+    private void deleteDirectory(Path dir) throws IOException {
+        if (dir == null || !Files.exists(dir)) {
+            return;
+        }
+        Files.walk(dir)
+                .sorted((a, b) -> b.compareTo(a))
+                .forEach(path -> {
+                    try {
+                        Files.deleteIfExists(path);
+                    } catch (IOException ignored) {
+                    }
+                });
+    }
+
     public Map<String, Object> getStatistics() {
         List<String> pendingStatuses = List.of("pending", "ocr_completed");
         List<String> auditedStatuses = List.of("compliant", "non-compliant");