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54eb2ce 4c719e5 54eb2ce 4c719e5 54eb2ce 4c719e5 54eb2ce 4c719e5 54eb2ce 4c719e5 54eb2ce | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 | from sqlalchemy import select
from sqlalchemy.exc import SQLAlchemyError, DBAPIError
from sqlalchemy.orm import selectinload
from fastapi import HTTPException
from ..database.db import session_pool
from ..errors import DatabaseConnectionError
from ..model.message import Message
from ..model.chat_session import Session as ChatSession
from ..schema.message import MessageCreate, MessageUpdate, MessageResponse
from ..schema.source import SourceResponse
from ..core.logger import SingletonLogger
logger = SingletonLogger().get_logger()
async def create_message(user_id: int, payload: MessageCreate) -> MessageResponse:
"""Create a new message in a session."""
try:
async with session_pool() as session:
message = Message(
session_id=payload.session_id,
user_id=user_id if payload.user_id is None else payload.user_id,
content=payload.content,
parent_message_id=payload.parent_message_id,
model_used=payload.model_used,
confidence_score=payload.confidence_score,
liked=payload.liked,
feedback=payload.feedback,
stars=payload.stars,
generation_metadata=payload.generation_metadata,
)
session.add(message)
await session.commit()
await session.refresh(message)
return MessageResponse(
id=message.id,
session_id=message.session_id,
user_id=message.user_id,
content=message.content,
parent_message_id=message.parent_message_id,
model_used=message.model_used,
confidence_score=message.confidence_score,
liked=message.liked,
feedback=message.feedback,
stars=message.stars,
generation_metadata=message.generation_metadata,
created_at=message.created_at,
updated_at=message.updated_at,
sources=[],
)
except DBAPIError as e:
logger.exception(
f"Database connection error creating message for session_id={payload.session_id}: {str(e)}"
)
raise DatabaseConnectionError(str(e))
except SQLAlchemyError as e:
logger.error(
f"Database error creating message for session_id={payload.session_id}: {str(e)}"
)
raise HTTPException(status_code=500, detail="Failed to create message")
except Exception as e:
logger.error(
f"Unexpected error creating message for session_id={payload.session_id}: {str(e)}"
)
raise HTTPException(status_code=500, detail="Internal server error")
async def get_message(message_id: int, user_id: int) -> MessageResponse:
"""Retrieve a message by ID, ensuring it belongs to the user's session."""
try:
async with session_pool() as session:
result = await session.execute(
select(Message)
.where(Message.id == message_id)
.options(selectinload(Message.sources))
)
message = result.scalar_one_or_none()
if not message:
raise HTTPException(status_code=404, detail="Message not found")
if message.user_id != user_id:
raise HTTPException(status_code=403, detail="Not authorized")
return MessageResponse(
id=message.id,
session_id=message.session_id,
user_id=message.user_id,
content=message.content,
parent_message_id=message.parent_message_id,
model_used=message.model_used,
confidence_score=message.confidence_score,
liked=message.liked,
feedback=message.feedback,
stars=message.stars,
generation_metadata=message.generation_metadata,
created_at=message.created_at,
updated_at=message.updated_at,
sources=[
SourceResponse(
id=source.id,
message_id=source.message_id,
source_text=source.source_text,
source_type=source.source_type,
source_url=source.source_url,
metadata=source.source_metadata,
created_at=source.created_at,
updated_at=source.updated_at,
)
for source in message.sources
],
)
except HTTPException:
raise
except DBAPIError as e:
logger.exception(
f"Database connection error retrieving message id={message_id}: {str(e)}"
)
raise DatabaseConnectionError(str(e))
except SQLAlchemyError as e:
logger.error(f"Database error retrieving message id={message_id}: {str(e)}")
raise HTTPException(status_code=500, detail="Failed to retrieve message")
except Exception as e:
logger.error(f"Unexpected error retrieving message id={message_id}: {str(e)}")
raise HTTPException(status_code=500, detail="Internal server error")
async def get_messages_by_session(
session_id: int, user_id: int
) -> list[MessageResponse]:
"""Retrieve all messages for a session."""
try:
async with session_pool() as session:
chat_session = await session.execute(
select(ChatSession).where(ChatSession.id == session_id)
)
chat_session_obj = chat_session.scalar_one_or_none()
if not chat_session_obj:
raise HTTPException(status_code=404, detail="Session not found")
if chat_session_obj.user_id != user_id:
raise HTTPException(status_code=403, detail="Not authorized")
result = await session.execute(
select(Message)
.where(Message.session_id == session_id)
.options(selectinload(Message.sources))
.order_by(Message.created_at)
)
messages = result.scalars().all()
return [
MessageResponse(
id=message.id,
session_id=message.session_id,
user_id=message.user_id,
content=message.content,
parent_message_id=message.parent_message_id,
model_used=message.model_used,
confidence_score=message.confidence_score,
liked=message.liked,
feedback=message.feedback,
stars=message.stars,
generation_metadata=message.generation_metadata,
created_at=message.created_at,
updated_at=message.updated_at,
sources=[
SourceResponse(
id=source.id,
message_id=source.message_id,
source_text=source.source_text,
source_type=source.source_type,
source_url=source.source_url,
metadata=source.source_metadata,
created_at=source.created_at,
updated_at=source.updated_at,
)
for source in message.sources
],
)
for message in messages
]
except DBAPIError as e:
logger.exception(
f"Database connection error retrieving messages for session_id={session_id}: {str(e)}"
)
raise DatabaseConnectionError(str(e))
except SQLAlchemyError as e:
logger.error(
f"Database error retrieving messages for session_id={session_id}: {str(e)}"
)
raise HTTPException(status_code=500, detail="Failed to retrieve messages")
except Exception as e:
logger.error(
f"Unexpected error retrieving messages for session_id={session_id}: {str(e)}"
)
raise HTTPException(status_code=500, detail="Internal server error")
async def update_message(
message_id: int, user_id: int, payload: MessageUpdate
) -> MessageResponse:
"""Update a message's content or feedback fields."""
try:
async with session_pool() as session:
result = await session.execute(
select(Message).where(Message.id == message_id)
)
message = result.scalar_one_or_none()
if not message:
raise HTTPException(status_code=404, detail="Message not found")
if message.user_id != user_id:
raise HTTPException(status_code=403, detail="Not authorized")
# Update fields only if provided
if payload.content is not None:
message.content = payload.content
if payload.liked is not None:
message.liked = payload.liked
if payload.feedback is not None:
message.feedback = payload.feedback
if payload.stars is not None:
message.stars = payload.stars
await session.commit()
# Reload message with sources eagerly loaded
result = await session.execute(
select(Message)
.where(Message.id == message.id)
.options(selectinload(Message.sources))
)
message = result.scalar_one()
return MessageResponse(
id=message.id,
session_id=message.session_id,
user_id=message.user_id,
content=message.content,
parent_message_id=message.parent_message_id,
model_used=message.model_used,
confidence_score=message.confidence_score,
liked=message.liked,
feedback=message.feedback,
stars=message.stars,
generation_metadata=message.generation_metadata,
created_at=message.created_at,
updated_at=message.updated_at,
sources=[
SourceResponse(
id=source.id,
message_id=source.message_id,
source_text=source.source_text,
source_type=source.source_type,
source_url=source.source_url,
metadata=source.source_metadata,
created_at=source.created_at,
updated_at=source.updated_at,
)
for source in message.sources
],
)
except HTTPException:
raise
except DBAPIError as e:
logger.exception(
f"Database connection error updating message id={message_id}: {str(e)}"
)
raise DatabaseConnectionError(str(e))
except SQLAlchemyError as e:
logger.error(f"Database error updating message id={message_id}: {str(e)}")
raise HTTPException(status_code=500, detail="Failed to update message")
except Exception as e:
logger.error(f"Unexpected error updating message id={message_id}: {str(e)}")
raise HTTPException(status_code=500, detail="Internal server error")
async def delete_message(message_id: int, user_id: int) -> None:
"""Delete a message by ID."""
try:
async with session_pool() as session:
result = await session.execute(
select(Message).where(Message.id == message_id)
)
message = result.scalar_one_or_none()
if not message:
raise HTTPException(status_code=404, detail="Message not found")
if message.user_id != user_id:
raise HTTPException(status_code=403, detail="Not authorized")
await session.delete(message)
await session.commit()
except HTTPException:
raise
except DBAPIError as e:
logger.exception(
f"Database connection error deleting message id={message_id}: {str(e)}"
)
raise DatabaseConnectionError(str(e))
except SQLAlchemyError as e:
logger.error(f"Database error deleting message id={message_id}: {str(e)}")
raise HTTPException(status_code=500, detail="Failed to delete message")
except Exception as e:
logger.error(f"Unexpected error deleting message id={message_id}: {str(e)}")
raise HTTPException(status_code=500, detail="Internal server error")
|