peter
f8df504d18
Completes the plex-package 1.x->2.0 conversion, behaviour-equivalent (full suite 253 passed, 2 skipped; the characterization net locks every path): - routes/plex/browse.py (61 sites): libraries, facets (the wsq builder + jsonb genre unnest), collections, playlists (+ bulk add/remove/reorder), seasons, people/cards, collection strips, episode-nav, item detail, and the unified_library union builder. - plex/rollup.py: agg_subquery now returns a select(); state_map executes it (the atomic unit coupled to unified_library via .subquery()). Query builders -> select(); .filter/.filter_by -> .where; terminals -> db.execute(...).scalars()/.all()/db.scalar(...); bulk .delete()/.update() -> execute(delete()/update()). Zero db.query()/.filter_by remain in the package.
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
"""Roll a show's episodes up into a single watch-state (new | in_progress | watched) + on-deck.
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Drives the show/season grid badges and the Resume / Play-from-start / mark-all buttons.
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"""
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from sqlalchemy import and_, case, func, or_, select
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from sqlalchemy.orm import Session, aliased
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from app.models import PlexItem, PlexState
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def show_status(total: int, watched: int, inprog: int) -> str:
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"""Roll a show's episodes up into a single watch state: fully watched, partially started, or new."""
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if total and watched >= total:
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return "watched"
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if (watched or 0) > 0 or (inprog or 0) > 0:
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return "in_progress"
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return "new"
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def rollup(cards: list[dict]) -> dict:
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"""From ORDERED episode cards → the aggregate watch status, the "on deck" episode to Resume (the
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last in-progress one, else the first unwatched), the first episode (for Play from the start), and
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the episode count. Drives the show/season Resume + Play + mark-all buttons."""
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total = len(cards)
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watched = sum(1 for c in cards if c.get("status") == "watched")
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inprog = [
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c
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for c in cards
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if (c.get("position_seconds") or 0) > 0 and c.get("status") != "watched"
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]
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resume = None
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if inprog:
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resume = inprog[-1] # continue the latest-started episode
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else:
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resume = next((c for c in cards if c.get("status") != "watched"), None)
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return {
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"status": show_status(total, watched, len(inprog)),
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"resume": resume,
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"first": cards[0] if cards else None,
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"episode_count": total,
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}
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def agg_subquery(db: Session, user_id: int):
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"""Per-show episode counts for a user: total, watched, in-progress. Reused to (a) filter the show
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grid by aggregate watch-state and (b) compute each card's badge."""
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ps = aliased(PlexState)
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return (
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select(
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PlexItem.show_id.label("show_id"),
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func.count(PlexItem.id).label("total"),
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func.count(case((ps.status == "watched", 1))).label("watched"),
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func.count(
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case(
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(
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and_(
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ps.position_seconds > 0,
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or_(ps.status.is_(None), ps.status != "watched"),
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),
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1,
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)
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)
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).label("inprog"),
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)
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.outerjoin(ps, and_(ps.item_id == PlexItem.id, ps.user_id == user_id))
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.where(PlexItem.kind == "episode", PlexItem.show_id.isnot(None))
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.group_by(PlexItem.show_id)
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)
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def state_map(db: Session, user_id: int, show_ids: list[int]) -> dict[int, str]:
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if not show_ids:
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return {}
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rows = db.execute(
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agg_subquery(db, user_id).where(PlexItem.show_id.in_(show_ids))
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).all()
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return {r.show_id: show_status(r.total, r.watched, r.inprog) for r in rows}
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