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80 lines
3.8 KiB
80 lines
3.8 KiB
7 months ago
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from typing import Optional
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from pydantic import BaseModel
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from exceptions.exception import FieldValidatorException
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class NotBlank:
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"""
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字段非空校验装饰器
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"""
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def __init__(self, field_name: str, message: Optional[str] = None):
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"""
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字段非空校验装饰器
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:param field_name: 需要校验的字段名称
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:param message: 校验失败的提示信息
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:return:
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"""
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self.field_name = field_name
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self.message = message
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def __call__(self, func):
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def wrapper(*args, **kwargs):
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check_model = args[0]
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if isinstance(check_model, BaseModel):
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field_value = getattr(check_model, self.field_name)
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if field_value is None or field_value == '' or field_value == [] or field_value == () or field_value == {}:
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raise FieldValidatorException(message=self.message if self.message else f'{self.field_name}不能为空')
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return func(*args, **kwargs)
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return wrapper
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class Size:
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"""
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字段大小校验装饰器
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"""
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def __init__(self, field_name: str, gt: Optional[float] = None, ge: Optional[float] = None,
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lt: Optional[float] = None, le: Optional[float] = None, min_length: Optional[int] = 0,
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max_length: Optional[int] = None, message: Optional[str] = None):
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"""
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字段大小校验装饰器
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:param field_name: 需要校验的字段名称
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:param gt: 数字型字段值必须要大于gt
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:param ge: 数字型字段值必须要大于等于ge
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:param lt: 数字型字段值必须要小于ge
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:param le: 数字型字段值必须要小于等于ge
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:param min_length: 字符串型字段长度不能小于min_length
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:param max_length: 字符串型字段长度不能大于max_length
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:param message: 校验失败的提示信息
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:return:
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"""
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self.field_name = field_name
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self.gt = gt
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self.ge = ge
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self.lt = lt
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self.le = le
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self.min_length = min_length if min_length >= 0 else 0
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self.max_length = max_length
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self.message = message
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def __call__(self, func):
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def wrapper(*args, **kwargs):
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check_model = args[0]
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if isinstance(check_model, BaseModel):
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field_value = getattr(check_model, self.field_name)
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if isinstance(field_value, float):
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if self.gt is not None and field_value <= self.gt:
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raise FieldValidatorException(message=self.message if self.message else f'{self.field_name}必须大于{self.gt}')
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elif self.ge is not None and field_value < self.ge:
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raise FieldValidatorException(message=self.message if self.message else f'{self.field_name}必须大于等于{self.ge}')
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elif self.lt is not None and field_value >= self.lt:
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raise FieldValidatorException(message=self.message if self.message else f'{self.field_name}必须小于{self.lt}')
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elif self.le is not None and field_value > self.le:
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raise FieldValidatorException(message=self.message if self.message else f'{self.field_name}必须小于等于{self.le}')
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elif isinstance(field_value, str):
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if len(field_value) < self.min_length:
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raise FieldValidatorException(message=self.message if self.message else f'{self.field_name}长度不能小于{self.min_length}')
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elif self.max_length is not None and len(field_value) > self.max_length:
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raise FieldValidatorException(message=self.message if self.message else f'{self.field_name}长度不能大于{self.max_length}')
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return func(*args, **kwargs)
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return wrapper
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