Update

app/models/admin.py

@@ -2,7 +2,7 @@ from tortoise import fields
 
 from app.schemas.menus import MenuType
 
-from .base import BaseModel, CustomDatetimeField, TimestampMixin
+from .base import BaseModel, TimestampMixin
 from .enums import MethodType
 
 
@@ -14,7 +14,7 @@ class User(BaseModel, TimestampMixin):
     password = fields.CharField(max_length=128, null=True, description="密码")
     is_active = fields.BooleanField(default=True, description="是否激活")
     is_superuser = fields.BooleanField(default=False, description="是否为超级管理员")
-    last_login = CustomDatetimeField(null=True, description="最后登录时间")
+    last_login = fields.DatetimeField(null=True, description="最后登录时间")
     roles = fields.ManyToManyField("models.Role", related_name="user_roles")
 
     class Meta:

app/models/base.py

@@ -1,16 +1,8 @@
-import datetime
-import functools
-from typing import Any, Optional
+from datetime import datetime
 
-from tortoise import fields, models, timezone
+from tortoise import fields, models
 
-try:
-    from ciso8601 import parse_datetime
-except ImportError:  # pragma: nocoverage
-    from iso8601 import parse_date
-
-    parse_datetime = functools.partial(parse_date, default_timezone=None)
-from tortoise.timezone import get_timezone, localtime
+from app.settings import settings
 
 
 class BaseModel(models.Model):
@@ -19,10 +11,17 @@ class BaseModel(models.Model):
     async def to_dict(self, m2m=False):
         d = {}
         for field in self._meta.db_fields:
-            d[field] = getattr(self, field)
+            value = getattr(self, field)
+            if isinstance(value, datetime):
+                value = value.strftime(settings.DATETIME_FORMAT)
+            d[field] = value
         if m2m:
             for field in self._meta.m2m_fields:
-                values = await getattr(self, field).all().values()
+                values = [value for value in await getattr(self, field).all().values()]
+                for value in values:
+                    value.update(
+                        (k, v.strftime(settings.DATETIME_FORMAT)) for k, v in value.items() if isinstance(v, datetime)
+                    )
                 d[field] = values
         return d
 
@@ -34,28 +33,6 @@ class UUIDModel:
     uuid = fields.UUIDField(unique=True, pk=False)
 
 
-class CustomDatetimeField(fields.DatetimeField):
-    def to_python_value(self, value: Any) -> Optional[datetime.datetime]:
-        if value is None:
-            value = None
-        else:
-            if isinstance(value, datetime.datetime):
-                value = value.strftime("%Y-%m-%d %H:%M:%S")
-            elif isinstance(value, int):
-                value = datetime.datetime.fromtimestamp(value)
-                value = value.strftime("%Y-%m-%d %H:%M:%S")
-            else:
-                value = parse_datetime(value)
-            if timezone.is_naive(value):
-                value = timezone.make_aware(value, get_timezone())
-                value = value.strftime("%Y-%m-%d %H:%M:%S")
-            else:
-                value = localtime(value)
-                value = value.strftime("%Y-%m-%d %H:%M:%S")
-        self.validate(value)
-        return value
-
-
 class TimestampMixin:
-    created_at = CustomDatetimeField(auto_now_add=True)
-    updated_at = CustomDatetimeField(auto_now=True)
+    created_at = fields.DatetimeField(auto_now_add=True)
+    updated_at = fields.DatetimeField(auto_now=True)

app/settings/config.py

@@ -53,6 +53,7 @@ class Settings(BaseSettings):
         "use_tz": False,
         "timezone": "Asia/Shanghai",
     }
+    DATETIME_FORMAT: str = "%Y-%m-%d %H:%M:%S"
 
 
 settings = Settings()