open-webui/backend/open_webui/models/channels.py
Timothy Jaeryang Baek 74cacf8bf5 enh: channel navbar
2024-12-22 22:33:13 -07:00

133 lines
3.7 KiB
Python

import json
import time
import uuid
from typing import Optional
from open_webui.internal.db import Base, get_db
from open_webui.utils.access_control import has_access
from pydantic import BaseModel, ConfigDict
from sqlalchemy import BigInteger, Boolean, Column, String, Text, JSON
from sqlalchemy import or_, func, select, and_, text
from sqlalchemy.sql import exists
####################
# Channel DB Schema
####################
class Channel(Base):
__tablename__ = "channel"
id = Column(Text, primary_key=True)
user_id = Column(Text)
name = Column(Text)
description = Column(Text, nullable=True)
data = Column(JSON, nullable=True)
meta = Column(JSON, nullable=True)
access_control = Column(JSON, nullable=True)
created_at = Column(BigInteger)
updated_at = Column(BigInteger)
class ChannelModel(BaseModel):
model_config = ConfigDict(from_attributes=True)
id: str
user_id: str
description: Optional[str] = None
name: str
data: Optional[dict] = None
meta: Optional[dict] = None
access_control: Optional[dict] = None
created_at: int # timestamp in epoch
updated_at: int # timestamp in epoch
####################
# Forms
####################
class ChannelForm(BaseModel):
name: str
description: Optional[str] = None
data: Optional[dict] = None
meta: Optional[dict] = None
access_control: Optional[dict] = None
class ChannelTable:
def insert_new_channel(
self, form_data: ChannelForm, user_id: str
) -> Optional[ChannelModel]:
with get_db() as db:
channel = ChannelModel(
**{
**form_data.model_dump(),
"name": form_data.name.lower(),
"id": str(uuid.uuid4()),
"user_id": user_id,
"created_at": int(time.time_ns()),
"updated_at": int(time.time_ns()),
}
)
new_channel = Channel(**channel.model_dump())
db.add(new_channel)
db.commit()
return channel
def get_channels(self) -> list[ChannelModel]:
with get_db() as db:
channels = db.query(Channel).all()
return [ChannelModel.model_validate(channel) for channel in channels]
def get_channels_by_user_id(
self, user_id: str, permission: str = "read"
) -> list[ChannelModel]:
channels = self.get_channels()
return [
channel
for channel in channels
if channel.user_id == user_id
or has_access(user_id, permission, channel.access_control)
]
def get_channel_by_id(self, id: str) -> Optional[ChannelModel]:
with get_db() as db:
channel = db.query(Channel).filter(Channel.id == id).first()
return ChannelModel.model_validate(channel) if channel else None
def update_channel_by_id(
self, id: str, form_data: ChannelForm
) -> Optional[ChannelModel]:
with get_db() as db:
channel = db.query(Channel).filter(Channel.id == id).first()
if not channel:
return None
channel.name = form_data.name
channel.data = form_data.data
channel.meta = form_data.meta
channel.access_control = form_data.access_control
channel.updated_at = int(time.time_ns())
db.commit()
return ChannelModel.model_validate(channel) if channel else None
def delete_channel_by_id(self, id: str):
with get_db() as db:
db.query(Channel).filter(Channel.id == id).delete()
db.commit()
return True
Channels = ChannelTable()