fix: 修复报备导入映射与审核跳转

api/src/report-materials/import-review.service.ts

@@ -18,6 +18,7 @@ import {
   hasValue,
   normalizeImageExtension,
   imageContentType,
+  duplicateCoreMappingKind,
 } from './report-materials.helpers';
 import { ReportImportParserService } from './import-parser.service';
 import { compatibleImages, loadCompatibleWorkbook } from './workbook-compatibility';
@@ -36,6 +37,17 @@ export class ReportImportReviewService {
     if (!batch) throw new NotFoundException('导入批次不存在');
     if (batch.status !== 'analyzed') throw new ConflictException('该导入批次已提交审核，不能重复导入');
     if (!data.mappings?.length) throw new BadRequestException('请至少配置一个导入字段映射');
+    const duplicateCoreKind = duplicateCoreMappingKind(data.mappings);
+    if (duplicateCoreKind) {
+      const label = {
+        signatureName: '短信签名',
+        purpose: '签名用途/依据',
+        siteName: '站点名称',
+        url: '引流 URL 或号码',
+        remark: '备注',
+      }[duplicateCoreKind];
+      throw new BadRequestException(`目标字段“${label}”只能映射一个源列`);
+    }
     if (data.profile)
       await this.importParser.saveImportProfile({
         ...data.profile,

api/src/report-materials/report-material-import-mapping.spec.ts

@@ -0,0 +1,90 @@
+import { ReportMaterialsService } from './report-materials.service';
+import { duplicateCoreMappingKind, signatureCoreMapping } from './report-materials.helpers';
+
+describe('report material import mappings', () => {
+  it('distinguishes signature category or purpose columns from the signature name', () => {
+    expect(signatureCoreMapping('签名/签名')).toMatchObject({
+      kind: 'signatureName',
+      code: 'signature_name',
+    });
+    expect(signatureCoreMapping('签名用途/签名用途')).toMatchObject({
+      kind: 'purpose',
+      code: 'purpose',
+    });
+    expect(signatureCoreMapping('签名类别1营业执照2商标3APP/签名类别')).toMatchObject({
+      kind: 'purpose',
+      code: 'purpose',
+    });
+  });
+
+  it('rejects duplicate core targets without blocking distinct dynamic fields', () => {
+    expect(
+      duplicateCoreMappingKind([
+        {
+          sourceHeader: '签名',
+          sourceColumnIndex: 1,
+          targetFieldCode: 'signature_name',
+          targetKind: 'signatureName',
+          fieldType: 'string',
+        },
+        {
+          sourceHeader: '签名类别',
+          sourceColumnIndex: 2,
+          targetFieldCode: 'signature_name',
+          targetKind: 'signatureName',
+          fieldType: 'string',
+        },
+      ]),
+    ).toBe('signatureName');
+    expect(
+      duplicateCoreMappingKind([
+        {
+          sourceHeader: '正面',
+          sourceColumnIndex: 1,
+          targetFieldCode: 'identity',
+          targetKind: 'dynamic',
+          fieldType: 'image',
+        },
+        {
+          sourceHeader: '反面',
+          sourceColumnIndex: 2,
+          targetFieldCode: 'identity',
+          targetKind: 'dynamic',
+          fieldType: 'image',
+        },
+      ]),
+    ).toBeUndefined();
+  });
+
+  it('rejects duplicate core mappings before loading the workbook', async () => {
+    const prisma = {
+      reportMaterialImportBatch: {
+        findUnique: jest.fn().mockResolvedValue({ id: 'batch-duplicate', status: 'analyzed' }),
+      },
+    };
+    const files = { getDownload: jest.fn() };
+    const service = new ReportMaterialsService(prisma as never, files as never, {} as never);
+
+    await expect(
+      service.commitImport('batch-duplicate', {
+        mappings: [
+          {
+            sourceHeader: '签名',
+            sourceColumnIndex: 1,
+            targetFieldCode: 'signature_name',
+            targetKind: 'signatureName',
+            fieldType: 'string',
+          },
+          {
+            sourceHeader: '签名类别',
+            sourceColumnIndex: 2,
+            targetFieldCode: 'signature_name',
+            targetKind: 'signatureName',
+            fieldType: 'string',
+          },
+        ],
+      }),
+    ).rejects.toThrow('目标字段“短信签名”只能映射一个源列');
+    expect(files.getDownload).not.toHaveBeenCalled();
+  });
+});

api/src/report-materials/report-materials.helpers.ts

@@ -100,6 +100,16 @@ export function suggestMappings(
   });
 }
 
+export function duplicateCoreMappingKind(mappings: ImportMapping[]) {
+  const seen = new Set<ImportMapping['targetKind']>();
+  for (const mapping of mappings) {
+    if (mapping.targetKind === 'dynamic') continue;
+    if (seen.has(mapping.targetKind)) return mapping.targetKind;
+    seen.add(mapping.targetKind);
+  }
+  return undefined;
+}
+
 export function remapProfileColumns(
   profileColumns: ImportMapping[],
   sourceColumns: Array<{
@@ -137,8 +147,8 @@ export function remapProfileColumns(
 export function signatureCoreMapping(
   header: string,
 ): { code: string; kind: ImportMapping['targetKind']; required?: boolean } | undefined {
+  if (/签名(?:用途|依据|类别|类型)|用途/.test(header)) return { code: 'purpose', kind: 'purpose' };
   if (/短信签名|签名名称|签名/.test(header)) return { code: 'signature_name', kind: 'signatureName', required: true };
-  if (/用途|签名依据/.test(header)) return { code: 'purpose', kind: 'purpose' };
   return undefined;
 }