| """案件文件模板渲染下载 API""" |
|
|
| from __future__ import annotations |
|
|
| import logging |
| from typing import Any |
|
|
| from django.utils import timezone |
| from django.utils.translation import gettext_lazy as _ |
| from ninja import Router |
|
|
| from apps.core.exceptions import NotFoundError, ValidationException |
| from apps.core.infrastructure.throttling import rate_limit_from_settings |
| from apps.core.security.auth import JWTOrSessionAuth |
|
|
| from .download_response_factory import build_download_response |
|
|
| logger = logging.getLogger("apps.documents.api") |
| router = Router(auth=JWTOrSessionAuth()) |
|
|
|
|
| @router.post("/cases/{case_id}/templates/{template_id}/download") |
| @rate_limit_from_settings("EXPORT", by_user=True) |
| def download_case_template(request: Any, case_id: int, template_id: int) -> Any: |
| """渲染案件文件模板并下载""" |
| from apps.cases.models import Case |
| from apps.documents.models import DocumentTemplate |
| from apps.documents.services.generation.pipeline import DocxRenderer |
| from apps.documents.services.placeholders import EnhancedContextBuilder |
|
|
| case = Case.objects.filter(pk=case_id).first() |
| if not case: |
| raise NotFoundError(message=_("案件不存在"), code="CASE_NOT_FOUND", errors={"case_id": str(case_id)}) |
|
|
| template = DocumentTemplate.objects.filter(pk=template_id, is_active=True).first() |
| if not template: |
| raise NotFoundError( |
| message=_("模板不存在"), code="TEMPLATE_NOT_FOUND", errors={"template_id": str(template_id)} |
| ) |
|
|
| file_path = template.get_file_location() |
| if not file_path: |
| raise ValidationException(message=_("模板文件路径为空"), code="TEMPLATE_FILE_EMPTY", errors={}) |
|
|
| context = EnhancedContextBuilder().build_context({"case": case, "case_id": case.id}) |
| content = DocxRenderer().render(file_path, context) |
|
|
| date_str = timezone.now().strftime("%Y%m%d") |
| filename = f"{template.name}({case.name or '案件'})V1_{date_str}.docx" |
|
|
| logger.info("案件模板下载成功", extra={"case_id": case_id, "template_id": template_id, "doc_filename": filename}) |
|
|
| return build_download_response( |
| content=content, |
| filename=filename, |
| content_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document", |
| ) |
|
|
