peter
533571f572
PlexLibrary, PlexShow, PlexSeason, PlexItem, PlexPerson, PlexCollection, PlexState, PlexLink, PlexPlaylist and PlexPlaylistItem leave app/models.py for app/plex/models.py; app.tables registers them. Every import is re-pointed; no schema change.
123 lines
4.9 KiB
Python
123 lines
4.9 KiB
Python
"""Plex list/leaf card serializers: the small `model -> dict` projections the library grid,
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playlists, and detail views render. Extracted from routes/plex/browse.py so the row-shaping
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lives beside the other Plex read-model modules (detail.py, query.py) rather than inside the
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router. Pure functions — no DB, no request state."""
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from typing import NamedTuple
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from app.plex.models import PlexItem, PlexShow, PlexState
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class ShowState(NamedTuple):
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"""A show's watch state rolled up from its episodes, as its card carries it. `resumable`: an unwatched
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episode has a resume point, the one the card's Continue resumes and its Restart replays from 0. A
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show part watched with its next episode untouched has none: Continue and Restart would both play
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that episode from its start, so the card offers Play alone."""
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status: str
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resumable: bool
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SHOW_NEW = ShowState("new", False)
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# A card's wide backdrop, for a rail's landscape tile or a crossfading hero — but ONLY when the item
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# actually has art. `thumb` is always emitted (its endpoint placeholders a missing poster), but an
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# `art` URL for an item with no `art_key` would resolve to a broken/blank image on every card that
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# tried to use it, so gate it on the stored key and let the client fall back to the poster.
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def _art_url(rating_key: str, art_key: str | None) -> str | None:
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return f"/api/plex/image/{rating_key}?variant=art" if art_key else None
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# Card hover-overview: a short synopsis for the reveal panel, trimmed so a strip/related row of cards
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# stays a few hundred bytes each rather than carrying full synopses.
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def _card_summary(summary: str | None) -> str | None:
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return (summary or "")[:300] or None
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def norm_lang(lang: str | None) -> str:
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"""The overlay has an EN base + an optional HU twin; anything other than `hu` serves EN."""
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return "hu" if lang == "hu" else "en"
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# Every card speaks the reader's language: `lang="hu"` serves the HU overlay twin's title and
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# summary, falling back to EN where a row has none — the same rule as browse.unified_library's
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# `title_col`/`summary_col`. These rails once served English to a Hungarian reader.
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def display_title(row: PlexItem | PlexShow, lang: str) -> str:
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return (row.title_hu or row.title) if lang == "hu" else row.title
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def display_summary(row: PlexItem | PlexShow, lang: str) -> str | None:
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return (row.summary_hu or row.summary) if lang == "hu" else row.summary
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def movie_card(it: PlexItem, st: PlexState | None, *, lang: str) -> dict:
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return {
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"id": it.rating_key,
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"type": "movie",
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"title": display_title(it, lang),
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"year": it.year,
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"rating": it.rating,
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"summary": _card_summary(display_summary(it, lang)),
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"duration_seconds": it.duration_s,
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"thumb": f"/api/plex/image/{it.rating_key}",
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"art": _art_url(it.rating_key, it.art_key),
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"playable": it.playable,
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"transcode_hw": it.transcode_hw, # HW/SW transcode split → the 4-way corner-dot badge
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"status": st.status if st else "new",
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"position_seconds": st.position_seconds if st else 0,
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}
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def show_card(sh: PlexShow, state: ShowState = SHOW_NEW, *, lang: str) -> dict:
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return {
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"id": sh.rating_key,
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"type": "show",
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"title": display_title(sh, lang),
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"year": sh.year,
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"rating": sh.rating,
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"summary": _card_summary(display_summary(sh, lang)),
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"thumb": f"/api/plex/image/{sh.rating_key}",
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"art": _art_url(sh.rating_key, sh.art_key),
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"season_count": sh.child_count,
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# Aggregate watch-state across the show's episodes (new | in_progress | watched) → grid badge.
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"status": state.status,
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"resumable": state.resumable,
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}
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def episode_card(e: PlexItem, st: PlexState | None, *, lang: str) -> dict:
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return {
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"id": e.rating_key,
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"type": "episode",
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"title": display_title(e, lang),
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"summary": display_summary(e, lang),
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"season_number": e.season_number,
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"episode_number": e.episode_number,
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"duration_seconds": e.duration_s,
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"thumb": f"/api/plex/image/{e.rating_key}",
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"playable": e.playable,
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"transcode_hw": e.transcode_hw, # HW/SW transcode split → the 4-way corner-dot badge
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"status": st.status if st else "new",
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"position_seconds": st.position_seconds if st else 0,
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}
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def leaf_card(
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it: PlexItem,
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st: PlexState | None,
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show_title: str | None = None,
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show_rk: str | None = None,
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*,
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lang: str,
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) -> dict:
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"""A playable-leaf card (movie or episode). Used by playlists, which can mix both kinds.
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`show_rk` (the show's rating_key) lets the client group a playlist's episodes by show/season.
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`show_title` is the caller's, already in `lang` (see `display_title`)."""
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if it.kind == "episode":
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card = episode_card(it, st, lang=lang)
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card["show_title"] = show_title
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card["show_id"] = show_rk
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return card
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return movie_card(it, st, lang=lang)
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