137 lines
3.8 KiB
Python
137 lines
3.8 KiB
Python
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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####################
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# Channel DB Schema
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####################
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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 # timestamp in epoch
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updated_at: int # timestamp in epoch
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####################
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# Forms
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####################
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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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