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