33 lines
828 B
Python
33 lines
828 B
Python
from dataclasses import dataclass, field
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import uuid
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import time
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@dataclass
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class BaseModel:
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id: str = field(init=False)
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created_at: float = field(init=False)
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updated_at: float = field(init=False)
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def __post_init__(self):
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self.id = str(uuid.uuid4())
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now = time.time()
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self.created_at = now
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self.updated_at = now
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def touch(self):
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self.updated_at = time.time()
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def to_dict(self):
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return {
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'id': self.id,
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'created_at': self.created_at,
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'updated_at': self.updated_at
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}
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@classmethod
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def _apply_base_fields(cls, obj, d: dict):
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obj.id = d.get('id', obj.id)
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obj.created_at = d.get('created_at', obj.created_at)
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obj.updated_at = d.get('updated_at', obj.updated_at)
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return obj
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