open-webui/backend/open_webui/models/messages.py
2024-12-22 19:40:01 -07:00

140 lines
4.0 KiB
Python

import json
import time
import uuid
from typing import Optional
from open_webui.internal.db import Base, get_db
from open_webui.models.tags import TagModel, Tag, Tags
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
####################
# Message DB Schema
####################
class Message(Base):
__tablename__ = "message"
id = Column(Text, primary_key=True)
user_id = Column(Text)
channel_id = Column(Text, nullable=True)
content = Column(Text)
data = Column(JSON, nullable=True)
meta = Column(JSON, nullable=True)
created_at = Column(BigInteger)
updated_at = Column(BigInteger)
class MessageModel(BaseModel):
model_config = ConfigDict(from_attributes=True)
id: str
user_id: str
channel_id: Optional[str] = None
content: str
data: Optional[dict] = None
meta: Optional[dict] = None
created_at: int # timestamp in epoch
updated_at: int # timestamp in epoch
####################
# Forms
####################
class MessageForm(BaseModel):
content: str
data: Optional[dict] = None
meta: Optional[dict] = None
class MessageTable:
def insert_new_message(
self, form_data: MessageForm, channel_id: str, user_id: str
) -> Optional[MessageModel]:
with get_db() as db:
id = str(uuid.uuid4())
message = MessageModel(
**{
"id": id,
"user_id": user_id,
"channel_id": channel_id,
"content": form_data.content,
"data": form_data.data,
"meta": form_data.meta,
"created_at": int(time.time()),
"updated_at": int(time.time()),
}
)
result = Message(**message.model_dump())
db.add(result)
db.commit()
db.refresh(result)
return MessageModel.model_validate(result) if result else None
def get_message_by_id(self, id: str) -> Optional[MessageModel]:
with get_db() as db:
message = db.get(Message, id)
return MessageModel.model_validate(message) if message else None
def get_messages_by_channel_id(
self, channel_id: str, skip: int = 0, limit: int = 50
) -> list[MessageModel]:
with get_db() as db:
all_messages = (
db.query(Message)
.filter_by(channel_id=channel_id)
.order_by(Message.updated_at.asc())
.limit(limit)
.offset(skip)
.all()
)
return [MessageModel.model_validate(message) for message in all_messages]
def get_messages_by_user_id(
self, user_id: str, skip: int = 0, limit: int = 50
) -> list[MessageModel]:
with get_db() as db:
all_messages = (
db.query(Message)
.filter_by(user_id=user_id)
.order_by(Message.updated_at.asc())
.limit(limit)
.offset(skip)
.all()
)
return [MessageModel.model_validate(message) for message in all_messages]
def update_message_by_id(
self, id: str, form_data: MessageForm
) -> Optional[MessageModel]:
with get_db() as db:
message = db.get(Message, id)
message.content = form_data.content
message.data = form_data.data
message.meta = form_data.meta
message.updated_at = int(time.time())
db.commit()
db.refresh(message)
return MessageModel.model_validate(message) if message else None
def delete_message_by_id(self, id: str) -> bool:
with get_db() as db:
db.query(Message).filter_by(id=id).delete()
db.commit()
return True
Messages = MessageTable()