Files
life-echo/api/app/features/conversation/repo.py
2026-03-20 15:15:35 +08:00

77 lines
2.2 KiB
Python

"""Conversation repository — Conversation, Segment data access."""
from sqlalchemy import func, select
from sqlalchemy.ext.asyncio import AsyncSession
from app.features.conversation.models import Conversation, Segment
async def get_conversation(
conversation_id: str, db: AsyncSession
) -> Conversation | None:
return await db.get(Conversation, conversation_id)
async def get_user_conversations(user_id: str, db: AsyncSession) -> list[Conversation]:
stmt = (
select(Conversation)
.where(
Conversation.user_id == user_id,
Conversation.deleted_at.is_(None),
)
.order_by(
func.coalesce(Conversation.last_message_at, Conversation.started_at).desc()
)
)
result = await db.execute(stmt)
return list(result.scalars().all())
def add_conversation(conv: Conversation, db: AsyncSession) -> None:
db.add(conv)
async def get_segments_for_conversation(
conversation_id: str, db: AsyncSession
) -> list[Segment]:
stmt = (
select(Segment)
.where(Segment.conversation_id == conversation_id)
.order_by(Segment.created_at)
)
result = await db.execute(stmt)
return list(result.scalars().all())
async def get_segments_for_organize(
conversation_id: str, db: AsyncSession
) -> list[Segment]:
"""Unprocessed segments first; if none, all segments."""
stmt = (
select(Segment)
.where(
Segment.conversation_id == conversation_id,
Segment.processed.is_(False),
)
.order_by(Segment.created_at)
)
result = await db.execute(stmt)
segments = list(result.scalars().all())
if not segments:
return await get_segments_for_conversation(conversation_id, db)
return segments
async def count_segments_for_user(user_id: str, db: AsyncSession) -> int:
stmt = (
select(func.count(Segment.id))
.select_from(Segment)
.join(Conversation, Segment.conversation_id == Conversation.id)
.where(
Conversation.user_id == user_id,
Conversation.deleted_at.is_(None),
)
)
result = await db.execute(stmt)
return result.scalar() or 0