soulsync/api/video/discover.py
BoulderBadgeDad 2b3ca12310 Discover: streaming-provider filter + infinite scroll + a11y polish
Provider filter (#4):
- client.discover() + engine.discover_filter() take a TMDB provider id and pass
  with_watch_providers + watch_region (engine._region) + flatrate. Browse gets a
  streaming-service chip row (Netflix/Prime/Disney+/Max/Apple TV+/Hulu/Paramount+/
  Peacock); the grid title reflects 'on <service>'.

Infinite scroll (#6):
- Grid paginates via an IntersectionObserver sentinel (600px lookahead) with a
  bottom spinner; the Load more button stays only as a no-IO fallback.

Polish (#7):
- Hero keyboard nav (←/→ when Discover is the visible view, ignoring inputs and
  while the trailer is open); focus-visible rings on chips/segments/cards/arrows.

Note: 'complete-the-franchise' rail (#5) needs a collection_id per movie, which
the schema doesn't store yet — deferred (would need an enrichment pass).

Tests: +1 (provider watch_region params); updated the discover_filter fake for
the new kwargs. Enrichment + API suites: 115 passed.
2026-06-16 14:55:13 -07:00

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"""Video discover API — browse TMDB (movies/TV the user doesn't own yet).
GET /api/video/discover/hero → trending titles w/ backdrops (slideshow)
GET /api/video/discover/genres → {movie:[{id,name}], show:[{id,name}]}
GET /api/video/discover/list?... → one shelf/grid of items, e.g.
?key=trending → trending movies + shows
?key=<curated>&page= → a canned list (popular_movies, top_shows…)
?kind=movie|show&genre=&year=&decade=&sort=&page= → a filtered browse
Items are annotated with ``library_id`` when already owned (so the card links to
the owned detail, not the TMDB preview). Reads only the enrichment engine +
video.db; isolated from the music API.
"""
from __future__ import annotations
from flask import jsonify, request
from utils.logging_config import get_logger
logger = get_logger("video_api.discover")
def register_routes(bp):
@bp.route("/discover/hero", methods=["GET"])
def video_discover_hero():
"""A few trending titles that have a backdrop — drives the hero slideshow."""
from core.video.enrichment.engine import get_video_enrichment_engine
try:
items = [x for x in (get_video_enrichment_engine().trending() or [])
if x.get("backdrop")][:6]
except Exception:
logger.exception("discover hero failed")
items = []
return jsonify({"items": items})
@bp.route("/discover/taste", methods=["GET"])
def video_discover_taste():
"""The user's most-owned genres (movies + shows) → personalized rails."""
from . import get_video_db
try:
from core.video.sources import resolve_video_server
srv = resolve_video_server()
except Exception:
srv = None
db = get_video_db()
try:
return jsonify({"movie": db.top_owned_genres("movie", srv, 6),
"show": db.top_owned_genres("show", srv, 6)})
except Exception:
logger.exception("discover taste failed")
return jsonify({"movie": [], "show": []})
@bp.route("/discover/morelike", methods=["GET"])
def video_discover_morelike():
"""'More like <owned title>' rails — TMDB recommendations seeded from a few
random titles you already own (interleaved movie/show, max 3 rails)."""
from . import get_video_db
from core.video.enrichment.engine import get_video_enrichment_engine
try:
from core.video.sources import resolve_video_server
srv = resolve_video_server()
except Exception:
srv = None
db = get_video_db()
eng = get_video_enrichment_engine()
try:
seeds = db.random_owned_titles(2, srv)
movies = [s for s in seeds if s["kind"] == "movie"]
shows = [s for s in seeds if s["kind"] == "show"]
ordered = []
while (movies or shows) and len(ordered) < 3:
if movies:
ordered.append(movies.pop(0))
if shows and len(ordered) < 3:
ordered.append(shows.pop(0))
rails = []
for s in ordered:
items = [it for it in eng.recommendations(s["kind"], s["tmdb_id"])
if it.get("tmdb_id") != s["tmdb_id"]]
if len(items) >= 4:
rails.append({"title": "More like " + s["title"], "items": items[:30]})
return jsonify({"rails": rails})
except Exception:
logger.exception("discover morelike failed")
return jsonify({"rails": []})
@bp.route("/discover/trailer", methods=["GET"])
def video_discover_trailer():
"""Best YouTube trailer {key,name} for a tmdb title (hero 'Trailer' button)."""
from core.video.enrichment.engine import get_video_enrichment_engine
kind = request.args.get("kind", "movie")
try:
tmdb_id = int(request.args.get("tmdb_id"))
except (TypeError, ValueError):
return jsonify({"trailer": None})
try:
tr = get_video_enrichment_engine().trailer(kind, tmdb_id)
except Exception:
logger.exception("discover trailer failed")
tr = None
return jsonify({"trailer": tr or None})
@bp.route("/discover/genres", methods=["GET"])
def video_discover_genres():
"""Genre id→name maps for both kinds (powers the genre rails + filter)."""
from core.video.enrichment.engine import get_video_enrichment_engine
eng = get_video_enrichment_engine()
try:
return jsonify({"movie": eng.genre_list("movie"), "show": eng.genre_list("show")})
except Exception:
logger.exception("discover genres failed")
return jsonify({"movie": [], "show": []})
@bp.route("/discover/list", methods=["GET"])
def video_discover_list():
"""One shelf (rail) or one page of a filtered browse — see module docstring.
``pages`` (13, default 1) fetches that many consecutive TMDB pages and
concatenates them (deduped) in one response — so a rail can show ~40 items
and still look full after 'Hide owned' drops the ones you have."""
from core.video.enrichment.engine import get_video_enrichment_engine
eng = get_video_enrichment_engine()
try:
page = max(1, int(request.args.get("page", 1) or 1))
except (TypeError, ValueError):
page = 1
try:
pages = min(3, max(1, int(request.args.get("pages", 1) or 1)))
except (TypeError, ValueError):
pages = 1
key = (request.args.get("key") or "").strip()
kind = request.args.get("kind", "movie")
genre = request.args.get("genre") or None
year = request.args.get("year") or None
decade = request.args.get("decade") or None
providers = request.args.get("providers") or None
sort = request.args.get("sort") or "popularity.desc"
def fetch(p):
if key == "trending":
return eng.trending()
if key:
return eng.discover_curated(key, page=p)
return eng.discover_filter(kind, genre=genre, year=year, decade=decade,
providers=providers, sort_by=sort, page=p)
try:
items, seen = [], set()
for p in range(page, page + pages):
for it in (fetch(p) or []):
dk = (it.get("kind"), it.get("tmdb_id"))
if dk in seen:
continue
seen.add(dk)
items.append(it)
if key == "trending":
break # trending is a fixed list — extra pages just repeat it
return jsonify({"items": items, "page": page})
except Exception:
logger.exception("discover list failed (key=%s)", key)
return jsonify({"items": [], "page": page})