Created basic backend structure, auth and CRUD endpoints.

data/schemas.py

@@ -0,0 +1,59 @@
+# schemas.py
+from pydantic import BaseModel
+from typing import Optional
+from core.enums import ConnectionTypes, UserRole
+
+
+class ConnectionBase(BaseModel):
+    db_name: str
+    type: ConnectionTypes
+    host: str
+    port: int
+    username: str
+    password: str
+
+
+class ConnectionCreate(ConnectionBase):
+    pass
+
+
+class ConnectionUpdate(ConnectionBase):
+    pass
+
+
+class ConnectionInDBBase(ConnectionBase):
+    id: int
+    owner_id: int
+
+    class Config:
+        from_attributes = True
+
+
+class Connection(ConnectionInDBBase):
+    pass
+
+
+class UserBase(BaseModel):
+    username: str
+
+
+class UserCreate(UserBase):
+    role: UserRole
+
+
+class UserOut(UserBase):
+    id: int
+    role: UserRole
+
+
+class UserInDBBase(UserBase):
+    id: int
+    role: UserRole
+    api_key: str
+
+    class Config:
+        from_attributes = True
+
+
+class User(UserInDBBase):
+    pass