64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
import asyncio
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from datetime import datetime
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from typing import List, Optional, Union
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from tortoise import fields, models
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from app.settings import settings
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class BaseModel(models.Model):
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id = fields.BigIntField(pk=True, index=True)
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async def to_dict(self, m2m: bool = False, exclude_fields: Optional[List[str]] = None):
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if exclude_fields is None:
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exclude_fields = []
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d = {}
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for field in self._meta.db_fields:
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if field not in exclude_fields:
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value = getattr(self, field)
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if isinstance(value, datetime):
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value = value.strftime(settings.DATETIME_FORMAT)
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d[field] = value
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if m2m:
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tasks = [
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self.__fetch_m2m_field(field, exclude_fields)
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for field in self._meta.m2m_fields
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if field not in exclude_fields
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]
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results = await asyncio.gather(*tasks)
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for field, values in results:
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d[field] = values
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return d
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async def __fetch_m2m_field(self, field, exclude_fields):
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values = await getattr(self, field).all().values()
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formatted_values = []
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for value in values:
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formatted_value = {}
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for k, v in value.items():
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if k not in exclude_fields:
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if isinstance(v, datetime):
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formatted_value[k] = v.strftime(settings.DATETIME_FORMAT)
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else:
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formatted_value[k] = v
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formatted_values.append(formatted_value)
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return field, formatted_values
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class Meta:
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abstract = True
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class UUIDModel:
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uuid = fields.UUIDField(unique=True, pk=False, index=True)
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class TimestampMixin:
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created_at = fields.DatetimeField(auto_now_add=True, index=True)
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updated_at = fields.DatetimeField(auto_now=True, index=True)
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