File size: 3,263 Bytes
b4f2238 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | """Business logic services."""
from __future__ import annotations
from typing import Any
from django.utils.translation import gettext_lazy as _
from apps.core.exceptions import ValidationException
from apps.documents.storage import resolve_docx_template_path
class DocumentTemplateValidationService:
def normalize_file_path(self, file_path: str | None) -> str | None:
if file_path is None:
return None
return file_path.strip()
def validate_file_path(self, file_path: str) -> bool:
if not file_path:
return False
try:
return bool(resolve_docx_template_path(file_path).is_file())
except ValueError:
return False
def _require_valid_file_path(self, file_path: str) -> None:
try:
resolved = resolve_docx_template_path(file_path)
except ValueError as exc:
raise ValidationException(
message=_("文件路径无效，必须位于当前模板根目录内"),
code="INVALID_FILE_PATH",
errors={"file_path": "文件路径无效，必须位于当前模板根目录内"},
) from exc
if not resolved.is_file():
raise ValidationException(
message=_("文件不存在: %(p)s") % {"p": file_path},
code="INVALID_FILE_PATH",
errors={"file_path": f"文件不存在: {file_path}"},
)
def require_single_source(self, file: Any, file_path: str | None) -> str | None:
if not file and not file_path:
raise ValidationException(
message=_("必须提供上传文件或文件路径"),
code="INVALID_FILE_SOURCE",
errors={"file": "必须提供上传文件或文件路径"},
)
if file and file_path:
raise ValidationException(
message=_("不能同时提供上传文件和文件路径"),
code="INVALID_FILE_SOURCE",
errors={"file": "不能同时提供上传文件和文件路径"},
)
normalized_file_path = self.normalize_file_path(file_path)
if normalized_file_path:
self._require_valid_file_path(normalized_file_path)
return normalized_file_path
def validate_update_file_source(self, file: Any, file_path: str | None) -> str | None:
if file is not None and file_path is not None:
raise ValidationException(
message=_("不能同时提供上传文件和文件路径"),
code="INVALID_FILE_SOURCE",
errors={"file": "不能同时提供上传文件和文件路径"},
)
normalized_file_path = self.normalize_file_path(file_path)
file_changed = file is not None or file_path is not None
if file_changed and file is None:
if not normalized_file_path:
raise ValidationException(
message=_("文件路径不能为空"),
code="INVALID_FILE_PATH",
errors={"file_path": "文件路径不能为空"},
)
self._require_valid_file_path(normalized_file_path)
return normalized_file_path
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