92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
from fastapi import HTTPException, status
|
|
|
|
|
|
class FileTooLargeException(HTTPException):
|
|
"""文件过大异常"""
|
|
def __init__(self, file_size: int, max_size: int):
|
|
super().__init__(
|
|
status_code=status.HTTP_413_REQUEST_ENTITY_TOO_LARGE,
|
|
detail={
|
|
"code": "FILE_TOO_LARGE",
|
|
"message": f"文件大小 {file_size} 字节超过限制 {max_size} 字节",
|
|
"file_size": file_size,
|
|
"max_size": max_size
|
|
}
|
|
)
|
|
|
|
|
|
class StorageQuotaExceededException(HTTPException):
|
|
"""存储配额超限异常"""
|
|
def __init__(self, used_space: int, quota: int, required_space: int):
|
|
super().__init__(
|
|
status_code=status.HTTP_413_REQUEST_ENTITY_TOO_LARGE,
|
|
detail={
|
|
"code": "STORAGE_QUOTA_EXCEEDED",
|
|
"message": f"存储空间不足。已使用: {used_space} 字节，配额: {quota} 字节，需要: {required_space} 字节",
|
|
"used_space": used_space,
|
|
"quota": quota,
|
|
"required_space": required_space
|
|
}
|
|
)
|
|
|
|
|
|
class FileAlreadyExistsException(HTTPException):
|
|
"""文件已存在异常"""
|
|
def __init__(self, filename: str):
|
|
super().__init__(
|
|
status_code=status.HTTP_409_CONFLICT,
|
|
detail={
|
|
"code": "FILE_ALREADY_EXISTS",
|
|
"message": f"文件 '{filename}' 已存在",
|
|
"filename": filename
|
|
}
|
|
)
|
|
|
|
|
|
class FileNotFoundException(HTTPException):
|
|
"""文件未找到异常"""
|
|
def __init__(self):
|
|
super().__init__(
|
|
status_code=status.HTTP_404_NOT_FOUND,
|
|
detail={
|
|
"code": "FILE_NOT_FOUND",
|
|
"message": "文件不存在"
|
|
}
|
|
)
|
|
|
|
|
|
class InvalidFileTypeException(HTTPException):
|
|
"""无效文件类型异常"""
|
|
def __init__(self, file_extension: str):
|
|
super().__init__(
|
|
status_code=status.HTTP_400_BAD_REQUEST,
|
|
detail={
|
|
"code": "INVALID_FILE_TYPE",
|
|
"message": f"不支持的文件类型: {file_extension}",
|
|
"file_extension": file_extension
|
|
}
|
|
)
|
|
|
|
|
|
class FileUploadException(HTTPException):
|
|
"""文件上传异常"""
|
|
def __init__(self, message: str):
|
|
super().__init__(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail={
|
|
"code": "FILE_UPLOAD_FAILED",
|
|
"message": f"文件上传失败: {message}"
|
|
}
|
|
)
|
|
|
|
|
|
class FileDeleteException(HTTPException):
|
|
"""文件删除异常"""
|
|
def __init__(self, message: str):
|
|
super().__init__(
|
|
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
|
|
detail={
|
|
"code": "FILE_DELETE_FAILED",
|
|
"message": f"文件删除失败: {message}"
|
|
}
|
|
) |