File size: 7,351 Bytes
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授权委托材料生成 API
"""
import logging
from typing import Any
from ninja import Router, Schema
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())
def _get_authorization_material_generation_service() -> Any:
from apps.documents.services.generation.composition import build_authorization_material_generation_service
return build_authorization_material_generation_service()
def _get_folder_binding_service() -> Any:
from apps.core.interfaces import ServiceLocator
return ServiceLocator.get_contract_folder_binding_service()
def _require_case_contract(request: Any, case_id: int) -> Any:
"""获取案件绑定的合同 ID，无合同则返回 None。"""
from apps.cases.models import Case
case = Case.objects.filter(pk=case_id).values("contract_id", "contract__folder_binding__id").first()
if not case:
return None
return case
def _save_or_download(
contract_id: int | None,
case_id: int,
content: bytes,
filename: str,
content_type: str,
subdir_key: str = "contract_documents",
) -> Any:
"""如有合同文件夹绑定则保存文件，否则返回下载响应。"""
if contract_id is None:
return build_download_response(content=content, filename=filename, content_type=content_type)
binding_service = _get_folder_binding_service()
saved_path = binding_service.save_file_for_contract(
contract_id=contract_id,
file_content=content,
file_name=filename,
subdir_key=subdir_key,
)
if saved_path:
logger.info(
"文件已保存到合同文件夹",
extra={"case_id": case_id, "contract_id": contract_id, "file_name": filename, "path": saved_path},
)
return {
"success": True,
"message": f"文件已保存到: {saved_path}",
"filename": filename,
"folder_path": saved_path,
}
return build_download_response(content=content, filename=filename, content_type=content_type)
class CombinedPowerOfAttorneyIn(Schema):
client_ids: list[int]
@router.post("/cases/{case_id}/authorization/letter/download")
@rate_limit_from_settings("EXPORT", by_user=True)
def download_authority_letter(request: Any, case_id: int) -> Any:
case = _require_case_contract(request, case_id)
contract_id = case["contract_id"] if case else None
service = _get_authorization_material_generation_service()
content, filename = service.generate_authority_letter_document(case_id)
logger.info("所函生成成功", extra={"case_id": case_id, "doc_filename": filename})
return _save_or_download(
contract_id=contract_id,
case_id=case_id,
content=content,
filename=filename,
content_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
subdir_key="contract_documents",
)
@router.post("/cases/{case_id}/authorization/legal-rep-certificate/{client_id}/download")
@rate_limit_from_settings("EXPORT", by_user=True)
def download_legal_rep_certificate(request: Any, case_id: int, client_id: int) -> Any:
case = _require_case_contract(request, case_id)
contract_id = case["contract_id"] if case else None
service = _get_authorization_material_generation_service()
content, filename = service.generate_legal_rep_certificate_document(case_id, client_id)
logger.info(
"法定代表人身份证明书生成成功",
extra={"case_id": case_id, "client_id": client_id, "doc_filename": filename},
)
return _save_or_download(
contract_id=contract_id,
case_id=case_id,
content=content,
filename=filename,
content_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
subdir_key="contract_documents",
)
@router.post("/cases/{case_id}/authorization/power-of-attorney/combined/download")
@rate_limit_from_settings("EXPORT", by_user=True)
def download_power_of_attorney_combined(request: Any, case_id: int, payload: CombinedPowerOfAttorneyIn) -> Any:
case = _require_case_contract(request, case_id)
contract_id = case["contract_id"] if case else None
service = _get_authorization_material_generation_service()
content, filename = service.generate_power_of_attorney_combined_document(case_id, payload.client_ids)
logger.info(
"授权委托书(合并授权)生成成功",
extra={"case_id": case_id, "client_ids": payload.client_ids, "doc_filename": filename},
)
return _save_or_download(
contract_id=contract_id,
case_id=case_id,
content=content,
filename=filename,
content_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
subdir_key="contract_documents",
)
@router.post("/cases/{case_id}/authorization/package/download")
@rate_limit_from_settings("EXPORT", by_user=True)
def download_authorization_package(request: Any, case_id: int) -> Any:
case = _require_case_contract(request, case_id)
contract_id = case["contract_id"] if case else None
service = _get_authorization_material_generation_service()
content, filename = service.generate_full_authorization_package(case_id)
logger.info("全套授权委托材料生成成功", extra={"case_id": case_id, "zip_filename": filename})
# ZIP 包使用 extract_zip 方式保存到合同文件夹根目录
if contract_id is not None:
binding_service = _get_folder_binding_service()
saved_path = binding_service.extract_zip_for_contract(contract_id=contract_id, zip_content=content)
if saved_path:
logger.info(
"全套授权委托材料已保存到合同文件夹",
extra={"case_id": case_id, "contract_id": contract_id, "zip_filename": filename, "path": saved_path},
)
return {
"success": True,
"message": f"文件已保存到: {saved_path}",
"filename": filename,
"folder_path": saved_path,
}
return build_download_response(content=content, filename=filename, content_type="application/zip")
@router.post("/cases/{case_id}/authorization/power-of-attorney/{client_id}/download")
@rate_limit_from_settings("EXPORT", by_user=True)
def download_power_of_attorney(request: Any, case_id: int, client_id: int) -> Any:
case = _require_case_contract(request, case_id)
contract_id = case["contract_id"] if case else None
service = _get_authorization_material_generation_service()
content, filename = service.generate_power_of_attorney_document(case_id, client_id)
logger.info(
"授权委托书生成成功",
extra={"case_id": case_id, "client_id": client_id, "doc_filename": filename},
)
return _save_or_download(
contract_id=contract_id,
case_id=case_id,
content=content,
filename=filename,
content_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
subdir_key="contract_documents",
)
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