Update API key creation and bump version to 0.6.16 (#1704)

* Update API key creation with optional created_at field

* Bump version to 0.6.16 in pyproject.toml

* Update last_used_at field in ApiKeyBase model

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow"
-version = "0.6.15"
+version = "0.6.16"
 description = "A Python package with a built-in web application"
 authors = ["Logspace <contact@logspace.ai>"]
 maintainers = [

src/backend/langflow/services/database/models/api_key/crud.py

@@ -24,6 +24,7 @@ def create_api_key(session: Session, api_key_create: ApiKeyCreate, user_id: UUID
         api_key=generated_api_key,
         name=api_key_create.name,
         user_id=user_id,
+        created_at=api_key_create.created_at or datetime.datetime.now(datetime.timezone.utc),
     )
 
     session.add(api_key)

src/backend/langflow/services/database/models/api_key/model.py

@@ -3,16 +3,20 @@ from typing import TYPE_CHECKING, Optional
 from uuid import UUID, uuid4
 
 from pydantic import validator
-from sqlmodel import Field, Relationship, SQLModel, Field, Column, func, DateTime
+from sqlmodel import Column, DateTime, Field, Relationship, SQLModel, func
 
 if TYPE_CHECKING:
     from langflow.services.database.models.user import User
 
 
+def utcnow():
+    return datetime.now()
+
+
 class ApiKeyBase(SQLModel):
     name: Optional[str] = Field(index=True, nullable=True, default=None)
     created_at: datetime = Field(sa_column=Column(DateTime(timezone=True), server_default=func.now()))
-    last_used_at: Optional[datetime] = Field(sa_column=Column(DateTime(timezone=True)))
+    last_used_at: Optional[datetime] = Field(None, sa_column=Column(DateTime(timezone=True)))
     total_uses: int = Field(default=0)
     is_active: bool = Field(default=True)
 
@@ -32,6 +36,9 @@ class ApiKey(ApiKeyBase, table=True):
 class ApiKeyCreate(ApiKeyBase):
     api_key: Optional[str] = None
     user_id: Optional[UUID] = None
+    created_at: Optional[datetime] = Field(
+        default_factory=utcnow, description="The date and time the API key was created"
+    )
 
 
 class UnmaskedApiKeyRead(ApiKeyBase):