Add report preview API

interface-checklist.md

@@ -12,7 +12,7 @@
 | 6 | GET | `/api/statistics` | 报告统计 | `src/api/report.js` | ✅ 已修正 | 新增接口并返回 `{待审核报告, 已通过报告, 驳回报告, 本月审核量}` |
 | 7 | GET | `/api/reports` | 报告列表 | `src/api/report.js` | ✅ 已修正 | 支持 `status` 过滤并返回前端表格字段（含 `approval_id`、`报告编号`、`检测机构`、`提交时间`、`状态`） |
 | 8 | GET | `/api/reports/{id}` | 报告详情 | `src/api/report.js` | ✅ 已修正 | 返回 `status(0/1/2/3)`、`report_id`、`report_type`、`institution`、`submit_time`、`testing_date`、`audit_opinion`、`ocr_result`、`attachments`、`history` |
-| 9 | GET | `/api/reports/{id}/preview` | 报告预览（图片/历史） | `src/api/report.js` |  |  |
+| 9 | GET | `/api/reports/{id}/preview` | 报告预览（图片/历史） | `src/api/report.js` | ✅ 已修正 | 返回 `ocr_result.API核验/org_exists/cma_exists`，并附带 `pages/history` 与 `status` |
 | 10 | POST | `/api/tasks` | 创建识别任务 | `src/api/report.js` |  |  |
 | 11 | POST | `/api/reports/{id}/submit` | 用户确认提交 | `src/api/report.js` |  |  |
 | 12 | POST | `/api/reports/{id}/audit` | 审核提交 | `src/api/report.js` |  |  |

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

@@ -159,6 +159,23 @@ public class TaskController {
         return ResponseEntity.ok(resp);
     }
 
+    @GetMapping("/reports/{id}/preview")
+    @SaCheckRole(value = { "ADMIN", "AUDITOR", "USER" }, mode = SaMode.OR)
+    public ResponseEntity<?> getReportPreview(@PathVariable("id") String id) {
+        Map<String, Object> preview = taskService.getReportPreview(id);
+        if (preview == null) {
+            Map<String, Object> resp = new HashMap<>();
+            resp.put("code", 1);
+            resp.put("msg", "Report not found");
+            return ResponseEntity.status(HttpStatus.NOT_FOUND).body(resp);
+        }
+        Map<String, Object> resp = new HashMap<>();
+        resp.put("code", 0);
+        resp.put("data", preview);
+        resp.put("msg", "Success");
+        return ResponseEntity.ok(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

@@ -459,6 +459,78 @@ public class TaskService {
         };
     }
 
+    private String mapStatusForPreview(String internalStatus) {
+        if (internalStatus == null) {
+            return "";
+        }
+        return switch (internalStatus) {
+            case "ocr_pending" -> "0";
+            case "ocr_completed" -> "4";
+            case "pending" -> "1";
+            case "compliant" -> "2";
+            case "non-compliant" -> "3";
+            default -> internalStatus;
+        };
+    }
+
+    @Transactional(readOnly = true)
+    public Map<String, Object> getReportPreview(String approvalId) {
+        if (approvalId == null || approvalId.isBlank()) {
+            return null;
+        }
+        Task task = taskRepository.findByApprovalId(approvalId);
+        if (task == null) {
+            return null;
+        }
+
+        Map<String, Object> preview = new HashMap<>();
+        preview.put("approval_id", task.getApprovalId());
+        preview.put("status", mapStatusForPreview(task.getStatus()));
+
+        OCRResult ocr = task.getOcrResult();
+        Map<String, Object> ocrMap = new HashMap<>();
+        if (ocr == null || "ocr_pending".equals(task.getStatus())) {
+            ocrMap.put("API核验", "识别中...");
+            ocrMap.put("org_exists", false);
+            ocrMap.put("cma_exists", false);
+            ocrMap.put("api_status", null);
+        } else {
+            String apiStatus = ocr.getApiStatus();
+            ocrMap.put("API核验", apiStatus != null ? apiStatus : "识别中...");
+            ocrMap.put("org_exists", Boolean.TRUE.equals(ocr.getOrgExists()));
+            ocrMap.put("cma_exists", Boolean.TRUE.equals(ocr.getCmaExists()));
+            ocrMap.put("api_status", apiStatus);
+        }
+        preview.put("ocr_result", ocrMap);
+
+        if (task.getPages() != null) {
+            List<Map<String, Object>> pages = task.getPages().stream().map(p -> {
+                Map<String, Object> m = new HashMap<>();
+                m.put("page_number", p.getPageNumber());
+                m.put("image_path", p.getImagePath());
+                return m;
+            }).collect(Collectors.toList());
+            preview.put("pages", pages);
+        } else {
+            preview.put("pages", List.of());
+        }
+
+        if (task.getHistories() != null) {
+            List<Map<String, Object>> history = task.getHistories().stream().map(h -> {
+                Map<String, Object> m = new HashMap<>();
+                m.put("action", h.getAction());
+                m.put("timestamp", h.getTimestamp());
+                m.put("opinion", h.getOpinion());
+                return m;
+            }).collect(Collectors.toList());
+            preview.put("history", history);
+        } else {
+            preview.put("history", List.of());
+        }
+
+        return preview;
+    }
+
     public Map<String, Object> getStatistics() {
         List<String> pendingStatuses = List.of("pending", "ocr_completed");
         List<String> auditedStatuses = List.of("compliant", "non-compliant");