fix(file-summary): 修复报告导出下载

review_agent/file_summary/services/export_excel.py

@@ -2,13 +2,14 @@ from __future__ import annotations
 
 from pathlib import Path
 
+from django.conf import settings
 from openpyxl import Workbook
 
 from review_agent.models import ExportedSummaryFile, FileSummaryBatch
 
 
 def _exports_dir(batch: FileSummaryBatch) -> Path:
-    root = Path(batch.work_dir or Path("media") / "file_summary" / batch.batch_no)
+    root = Path(batch.work_dir) if batch.work_dir else Path(settings.MEDIA_ROOT) / "file_summary" / batch.batch_no
     export_dir = root / "exports"
     export_dir.mkdir(parents=True, exist_ok=True)
     return export_dir

review_agent/file_summary/services/report.py

@@ -2,11 +2,13 @@ from __future__ import annotations
 
 from pathlib import Path
 
+from django.conf import settings
+
 from review_agent.models import ExportedSummaryFile, FileSummaryBatch
 
 
 def _exports_dir(batch: FileSummaryBatch) -> Path:
-    root = Path(batch.work_dir or Path("media") / "file_summary" / batch.batch_no)
+    root = Path(batch.work_dir) if batch.work_dir else Path(settings.MEDIA_ROOT) / "file_summary" / batch.batch_no
     export_dir = root / "exports"
     export_dir.mkdir(parents=True, exist_ok=True)
     return export_dir

review_agent/file_summary/views.py

@@ -121,4 +121,14 @@ def export_download(request, export_id: int):
     path = Path(exported.storage_path)
     if not path.exists():
         return JsonResponse({"error": "文件不存在。"}, status=404)
-    return FileResponse(path.open("rb"), as_attachment=True, filename=exported.file_name)
+    content_type = (
+        "text/markdown; charset=utf-8"
+        if exported.export_type == ExportedSummaryFile.ExportType.MARKDOWN
+        else "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+    )
+    return FileResponse(
+        path.open("rb"),
+        as_attachment=True,
+        filename=exported.file_name,
+        content_type=content_type,
+    )