280 lines
8.3 KiB
Python
280 lines
8.3 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.models.tags import TagModel, Tag, Tags
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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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# Message DB Schema
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####################
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class MessageReaction(Base):
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__tablename__ = "message_reaction"
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id = Column(Text, primary_key=True)
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user_id = Column(Text)
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message_id = Column(Text)
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name = Column(Text)
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created_at = Column(BigInteger)
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class MessageReactionModel(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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message_id: str
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name: str
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created_at: int # timestamp in epoch
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class Message(Base):
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__tablename__ = "message"
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id = Column(Text, primary_key=True)
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user_id = Column(Text)
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channel_id = Column(Text, nullable=True)
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parent_id = Column(Text, nullable=True)
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content = Column(Text)
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data = Column(JSON, nullable=True)
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meta = Column(JSON, nullable=True)
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created_at = Column(BigInteger) # time_ns
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updated_at = Column(BigInteger) # time_ns
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class MessageModel(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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channel_id: Optional[str] = None
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parent_id: Optional[str] = None
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content: str
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data: Optional[dict] = None
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meta: 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 MessageForm(BaseModel):
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content: str
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parent_id: Optional[str] = None
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data: Optional[dict] = None
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meta: Optional[dict] = None
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class Reactions(BaseModel):
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name: str
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user_ids: list[str]
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count: int
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class MessageResponse(MessageModel):
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latest_reply_at: Optional[int]
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reply_count: int
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reactions: list[Reactions]
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class MessageTable:
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def insert_new_message(
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self, form_data: MessageForm, channel_id: str, user_id: str
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) -> Optional[MessageModel]:
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with get_db() as db:
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id = str(uuid.uuid4())
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ts = int(time.time_ns())
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message = MessageModel(
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**{
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"id": id,
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"user_id": user_id,
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"channel_id": channel_id,
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"parent_id": form_data.parent_id,
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"content": form_data.content,
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"data": form_data.data,
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"meta": form_data.meta,
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"created_at": ts,
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"updated_at": ts,
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}
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)
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result = Message(**message.model_dump())
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db.add(result)
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db.commit()
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db.refresh(result)
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return MessageModel.model_validate(result) if result else None
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def get_message_by_id(self, id: str) -> Optional[MessageResponse]:
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with get_db() as db:
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message = db.get(Message, id)
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if not message:
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return None
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reactions = self.get_reactions_by_message_id(id)
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replies = self.get_replies_by_message_id(id)
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return MessageResponse(
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**{
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**MessageModel.model_validate(message).model_dump(),
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"latest_reply_at": replies[0].created_at if replies else None,
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"reply_count": len(replies),
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"reactions": reactions,
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}
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)
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def get_replies_by_message_id(self, id: str) -> list[MessageModel]:
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with get_db() as db:
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all_messages = (
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db.query(Message)
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.filter_by(parent_id=id)
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.order_by(Message.created_at.desc())
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.all()
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)
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return [MessageModel.model_validate(message) for message in all_messages]
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def get_reply_user_ids_by_message_id(self, id: str) -> list[str]:
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with get_db() as db:
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return [
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message.user_id
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for message in db.query(Message).filter_by(parent_id=id).all()
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]
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def get_messages_by_channel_id(
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self, channel_id: str, skip: int = 0, limit: int = 50
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) -> list[MessageModel]:
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with get_db() as db:
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all_messages = (
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db.query(Message)
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.filter_by(channel_id=channel_id, parent_id=None)
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.order_by(Message.created_at.desc())
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.offset(skip)
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.limit(limit)
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.all()
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)
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return [MessageModel.model_validate(message) for message in all_messages]
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def get_messages_by_parent_id(
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self, channel_id: str, parent_id: str, skip: int = 0, limit: int = 50
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) -> list[MessageModel]:
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with get_db() as db:
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message = db.get(Message, parent_id)
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if not message:
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return []
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all_messages = (
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db.query(Message)
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.filter_by(channel_id=channel_id, parent_id=parent_id)
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.order_by(Message.created_at.desc())
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.offset(skip)
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.limit(limit)
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.all()
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)
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# If length of all_messages is less than limit, then add the parent message
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if len(all_messages) < limit:
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all_messages.append(message)
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return [MessageModel.model_validate(message) for message in all_messages]
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def update_message_by_id(
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self, id: str, form_data: MessageForm
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) -> Optional[MessageModel]:
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with get_db() as db:
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message = db.get(Message, id)
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message.content = form_data.content
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message.data = form_data.data
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message.meta = form_data.meta
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message.updated_at = int(time.time_ns())
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db.commit()
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db.refresh(message)
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return MessageModel.model_validate(message) if message else None
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def add_reaction_to_message(
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self, id: str, user_id: str, name: str
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) -> Optional[MessageReactionModel]:
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with get_db() as db:
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reaction_id = str(uuid.uuid4())
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reaction = MessageReactionModel(
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id=reaction_id,
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user_id=user_id,
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message_id=id,
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name=name,
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created_at=int(time.time_ns()),
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)
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result = MessageReaction(**reaction.model_dump())
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db.add(result)
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db.commit()
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db.refresh(result)
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return MessageReactionModel.model_validate(result) if result else None
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def get_reactions_by_message_id(self, id: str) -> list[Reactions]:
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with get_db() as db:
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all_reactions = db.query(MessageReaction).filter_by(message_id=id).all()
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reactions = {}
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for reaction in all_reactions:
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if reaction.name not in reactions:
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reactions[reaction.name] = {
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"name": reaction.name,
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"user_ids": [],
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"count": 0,
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}
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reactions[reaction.name]["user_ids"].append(reaction.user_id)
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reactions[reaction.name]["count"] += 1
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return [Reactions(**reaction) for reaction in reactions.values()]
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def remove_reaction_by_id_and_user_id_and_name(
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self, id: str, user_id: str, name: str
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) -> bool:
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with get_db() as db:
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db.query(MessageReaction).filter_by(
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message_id=id, user_id=user_id, name=name
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).delete()
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db.commit()
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return True
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def delete_reactions_by_id(self, id: str) -> bool:
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with get_db() as db:
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db.query(MessageReaction).filter_by(message_id=id).delete()
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db.commit()
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return True
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def delete_replies_by_id(self, id: str) -> bool:
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with get_db() as db:
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db.query(Message).filter_by(parent_id=id).delete()
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db.commit()
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return True
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def delete_message_by_id(self, id: str) -> bool:
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with get_db() as db:
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db.query(Message).filter_by(id=id).delete()
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# Delete all reactions to this message
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db.query(MessageReaction).filter_by(message_id=id).delete()
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db.commit()
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return True
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Messages = MessageTable()
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