Delete Flow model and related classes

src/backend/langflow/services/database/models/flow/flow.py

@@ -1,54 +0,0 @@
-# Path: src/backend/langflow/database/models/flow.py
-
-from langflow.services.database.models.base import SQLModelSerializable
-from pydantic import validator
-
-from sqlmodel import Field, JSON, Column, Relationship
-from uuid import UUID, uuid4
-from typing import Dict, Optional, TYPE_CHECKING
-
-if TYPE_CHECKING:
-    from langflow.services.database.models.user import User
-
-
-class FlowBase(SQLModelSerializable):
-    name: str = Field(index=True)
-    description: Optional[str] = Field(index=True)
-    data: Optional[Dict] = Field(default=None, nullable=True)
-
-    @validator("data")
-    def validate_json(v):
-        if not v:
-            return v
-        if not isinstance(v, dict):
-            raise ValueError("Flow must be a valid JSON")
-
-        # data must contain nodes and edges
-        if "nodes" not in v.keys():
-            raise ValueError("Flow must have nodes")
-        if "edges" not in v.keys():
-            raise ValueError("Flow must have edges")
-
-        return v
-
-
-class Flow(FlowBase, table=True):
-    id: UUID = Field(default_factory=uuid4, primary_key=True, unique=True)
-    data: Optional[Dict] = Field(default=None, sa_column=Column(JSON))
-    user_id: UUID = Field(index=True, foreign_key="user.id")
-    user: "User" = Relationship(back_populates="flows")
-
-
-class FlowCreate(FlowBase):
-    user_id: Optional[UUID] = None
-
-
-class FlowRead(FlowBase):
-    id: UUID
-    user_id: UUID = Field()
-
-
-class FlowUpdate(SQLModelSerializable):
-    name: Optional[str] = None
-    description: Optional[str] = None
-    data: Optional[Dict] = None