From 640c2b6ef26f4f24f057d1700989b3c89b8de2c7 Mon Sep 17 00:00:00 2001
From: Gabriel Luiz Freitas Almeida <gabriel@logspace.ai>
Date: Thu, 2 Nov 2023 22:21:10 -0300
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20fix(flow.py):=20make=20descripti?=
 =?UTF-8?q?on=20field=20nullable=20with=20a=20default=20value=20of=20None?=
 =?UTF-8?q?=20to=20allow=20empty=20descriptions=20=F0=9F=90=9B=20fix(user.?=
 =?UTF-8?q?py):=20make=20last=5Flogin=5Fat=20field=20nullable=20to=20handl?=
 =?UTF-8?q?e=20cases=20where=20user=20has=20not=20logged=20in=20yet=20?=
 =?UTF-8?q?=F0=9F=90=9B=20fix(user.py):=20set=20default=20values=20for=20o?=
 =?UTF-8?q?ptional=20fields=20in=20UserUpdate=20model=20to=20None=20to=20a?=
 =?UTF-8?q?void=20unexpected=20behavior?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../services/database/models/flow/flow.py        |  2 +-
 .../services/database/models/user/user.py        | 16 ++++++++--------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/backend/langflow/services/database/models/flow/flow.py b/src/backend/langflow/services/database/models/flow/flow.py
index e578f37c4..4837e5ef0 100644
--- a/src/backend/langflow/services/database/models/flow/flow.py
+++ b/src/backend/langflow/services/database/models/flow/flow.py
@@ -13,7 +13,7 @@ if TYPE_CHECKING:
 
 class FlowBase(SQLModelSerializable):
     name: str = Field(index=True)
-    description: Optional[str] = Field(index=True)
+    description: Optional[str] = Field(index=True, nullable=True, default=None)
     data: Optional[Dict] = Field(default=None, nullable=True)
 
     @validator("data")
diff --git a/src/backend/langflow/services/database/models/user/user.py b/src/backend/langflow/services/database/models/user/user.py
index 1f530466b..f3248736e 100644
--- a/src/backend/langflow/services/database/models/user/user.py
+++ b/src/backend/langflow/services/database/models/user/user.py
@@ -20,7 +20,7 @@ class User(SQLModelSerializable, table=True):
     is_superuser: bool = Field(default=False)
     create_at: datetime = Field(default_factory=datetime.utcnow)
     updated_at: datetime = Field(default_factory=datetime.utcnow)
-    last_login_at: Optional[datetime] = Field()
+    last_login_at: Optional[datetime] = Field(nullable=True)
     api_keys: list["ApiKey"] = Relationship(
         back_populates="user",
         sa_relationship_kwargs={"cascade": "delete"},
@@ -41,13 +41,13 @@ class UserRead(SQLModel):
     is_superuser: bool = Field()
     create_at: datetime = Field()
     updated_at: datetime = Field()
-    last_login_at: Optional[datetime] = Field()
+    last_login_at: Optional[datetime] = Field(nullable=True)
 
 
 class UserUpdate(SQLModel):
-    username: Optional[str]
-    profile_image: Optional[str]
-    password: Optional[str]
-    is_active: Optional[bool]
-    is_superuser: Optional[bool]
-    last_login_at: Optional[datetime]
+    username: Optional[str] = None
+    profile_image: Optional[str] = None
+    password: Optional[str] = None
+    is_active: Optional[bool] = None
+    is_superuser: Optional[bool] = None
+    last_login_at: Optional[datetime] = None