scholarr/app/services/domains/publications/counts.py
2026-02-21 17:33:05 +01:00

90 lines
2.5 KiB
Python

from __future__ import annotations
from sqlalchemy import func, select
from sqlalchemy.ext.asyncio import AsyncSession
from app.db.models import ScholarProfile, ScholarPublication
from app.services.domains.publications.modes import (
MODE_ALL,
MODE_LATEST,
MODE_UNREAD,
resolve_publication_view_mode,
)
from app.services.domains.publications.queries import get_latest_completed_run_id_for_user
async def count_for_user(
db_session: AsyncSession,
*,
user_id: int,
mode: str = MODE_ALL,
scholar_profile_id: int | None = None,
favorite_only: bool = False,
) -> int:
resolved_mode = resolve_publication_view_mode(mode)
latest_run_id = await get_latest_completed_run_id_for_user(db_session, user_id=user_id)
stmt = (
select(func.count())
.select_from(ScholarPublication)
.join(ScholarProfile, ScholarProfile.id == ScholarPublication.scholar_profile_id)
.where(ScholarProfile.user_id == user_id)
)
if scholar_profile_id is not None:
stmt = stmt.where(ScholarProfile.id == scholar_profile_id)
if favorite_only:
stmt = stmt.where(ScholarPublication.is_favorite.is_(True))
if resolved_mode == MODE_UNREAD:
stmt = stmt.where(ScholarPublication.is_read.is_(False))
if resolved_mode == MODE_LATEST:
if latest_run_id is None:
return 0
stmt = stmt.where(ScholarPublication.first_seen_run_id == latest_run_id)
result = await db_session.execute(stmt)
return int(result.scalar_one() or 0)
async def count_unread_for_user(
db_session: AsyncSession,
*,
user_id: int,
scholar_profile_id: int | None = None,
favorite_only: bool = False,
) -> int:
return await count_for_user(
db_session,
user_id=user_id,
mode=MODE_UNREAD,
scholar_profile_id=scholar_profile_id,
favorite_only=favorite_only,
)
async def count_latest_for_user(
db_session: AsyncSession,
*,
user_id: int,
scholar_profile_id: int | None = None,
favorite_only: bool = False,
) -> int:
return await count_for_user(
db_session,
user_id=user_id,
mode=MODE_LATEST,
scholar_profile_id=scholar_profile_id,
favorite_only=favorite_only,
)
async def count_favorite_for_user(
db_session: AsyncSession,
*,
user_id: int,
scholar_profile_id: int | None = None,
) -> int:
return await count_for_user(
db_session,
user_id=user_id,
mode=MODE_ALL,
scholar_profile_id=scholar_profile_id,
favorite_only=True,
)