Discover: listening-driven recommendations + mix (#913), Fresh Tape fix
#913 was silently producing 0 recs: similar_artists.source_artist_id is a SOURCE id (Spotify/etc.), but the scan keyed id->name by internal artists.id (resolved nothing), and the consensus ranker was fed the name-collapsed get_top_similar_artists (consensus could never fire). Fixed + elevated: - id->name keyed by source-id columns; raw per-seed edges (real consensus); similarity_rank threaded into the score; recency-weighted seeds (recent plays boost lifetime favs) - new 'Based On Your Listening' artist row (/api/discover/listening-recommendations) with 'because you listen to X' explanations - new 'Your Listening Mix' track row: each rec's top tracks via a guarded, name-resolved Spotify/Deezer fetch (falls back to the discovery pool), stored as full render dicts so the row can't shrink on pool rotation - pure tested core: similarity_from_rank, build_recency_weighted_seeds, to_mix_track, names_match (+ rank-aware grouping) Fresh Tape (5-10 tracks): future-dated albums sorted to the top of get_discovery_recent_albums and ate the 50-album budget before the is_future_release skip ran. Add exclude_future_years + fetch a generous budget; downstream caps unchanged. Regression tested. Also drop the per-track block 'X' from the compact playlist rows (wrong spot). Plan/audit in DISCOVER_BEST_IN_CLASS_PLAN.md.
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DISCOVER_BEST_IN_CLASS_PLAN.md
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DISCOVER_BEST_IN_CLASS_PLAN.md
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# discover page — best in class plan (#913 + full generator audit)
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morning notes. did the work overnight. tl;dr at top, details below, all of it `break nothing` + tested.
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## what i shipped tonight (done, tested, safe)
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### 1. listening recommendations (#913) — went from BROKEN to best-in-class
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the feature was silently producing **zero** recs on real data. dug in and found three stacked bugs in the generation:
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- **wrong id key (the killer).** `similar_artists.source_artist_id` is a *source* id (spotify/itunes/deezer), but the scanner built its id→name map from `artists.id` (the internal row id). so every edge resolved to nothing → 0 recs. proved it on your live db: internal-id join = 0 rows, spotify-id join = 71,636 rows.
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- **consensus could never fire.** it fed the ranker `get_top_similar_artists`, which does `GROUP BY similar_artist_name` + `MAX(source_artist_id)` — collapsing every similar artist down to a *single* seed. the whole point of the ranker is "artist X is similar to 3 of your seeds = strong signal," and that signal was being flattened away before it ever reached the ranker.
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- **similarity strength thrown away.** each edge stores a 1-10 closeness rank; it was ignored (everything weighted equally).
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the fix (all in the pure, tested core + thin scan wiring):
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- build id→name from the **source-id columns**, query the **raw per-seed edges** (consensus preserved), and thread **similarity_rank** into the score so a seed's closest matches count for more.
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- **recency-weighted seeds**: `weight = lifetime_plays + 1.5 × recent_30d_plays`. picks now track what you're into *now*, not just all-time totals.
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result on your actual library (simulated through the real code path): **40 recommendations, 13 with multi-seed consensus, all 40 with cached art.** top picks: Arcangel (Bad Bunny + Ozuna + J Balvin), Melanie Martinez (Ariana + Billie), Maluma, De La Ghetto — all coherent, all explainable.
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### 2. its own row on the discover page
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new row **"Based On Your Listening"** — play-weighted, consensus-ranked artist cards with a **"Because you listen to X, Y"** line. sits right above the library-driven "Recommended For You" row. purely additive: new endpoint `/api/discover/listening-recommendations`, new loader, hides itself when empty.
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**you need to run one watchlist scan** for the row to populate (the data regenerates during the scan — i did NOT touch your live db). before that scan the row just stays hidden; after it, it fills in.
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> note: this is deliberately different from the existing "Recommended For You" row. that one is driven by your *whole library / watchlist*. this one is driven by your *actual listening intensity* — the ~30 artists you really play, not the thousands you happen to own.
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### 3. Fresh Tape "only 5-10 tracks" — fixed
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root cause: `get_discovery_recent_albums` orders `release_date DESC`, so announced-but-unreleased albums sort to the *top* and ate the 50-album budget. the scanner skipped them *after* the budget was already spent → only a handful of released albums left → 5-10 tracks. fixed by fetching a generous budget (300) **and** excluding next-year albums at the query, so released albums fill the budget. the precise same-year `is_future_release` skip stays as a second guard. downstream caps (6/artist, top 75, take 50) unchanged.
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**tests:** 25 pure-core cases (consensus/similarity/recency) + 2 Fresh Tape regression tests, all green. full discovery suite (255) green. nothing else touched.
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---
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## best-in-class roadmap for listening recs (next phases — your call)
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these are the levers to take it further. ordered by value-to-risk. none are required; tonight's work stands on its own.
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| phase | what | value | risk | notes |
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|---|---|---|---|---|
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| **3** | **playable track row** ✅ DONE | high | low-med | shipped: "🎧 Your Listening Mix" row — a track playlist (play/queue/download/sync) right under the artist row. stored as full render-ready dicts (not pool-hydrated, so it can't shrink on pool rotation like Fresh Tape does). |
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| **4** | **direct top-tracks fetch** ✅ DONE | high | med | shipped: scan fetches each recommended artist's top tracks (Spotify/Deezer), resolving the artist id by name-search when the similar-artist row lacks one — guarded by a strict name-match so it never pulls the wrong artist. bounded (top 20 recs), per-call guarded, fail-soft to the pool. iTunes has no top-tracks API → pool-only there. needs a live scan to populate. |
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| **5** | **genre-affinity boost** | med | low | we already compute your genre breakdown. boost recs whose genres match your top genres → tighter taste alignment. pure scoring add. |
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| **6** | **adventurousness dial** | med | low | the ranker already supports `min_seed_count` (consensus floor). expose it as a "Safe ↔ Adventurous" slider on the row. |
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| **7** | **diversity pass** | low-med | low | avoid 40 recs all orbiting your single heaviest seed — cap picks-per-seed so the row spans your taste. |
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the core is built to absorb all of these without re-plumbing — `similarity_from_rank`, `build_recency_weighted_seeds`, and the scoring formula are all pure + tested.
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---
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## full discover-page generator audit (every soulsync-built row, excluding last.fm + listenbrainz)
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how each one is generated today, and whether it can be elevated. "clear win" = safe + additive. "product call" = needs your decision (changes the row's character).
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### curated (built during the scan, then hydrated)
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- **Fresh Tape / Release Radar** — new releases from watchlist+similar artists. **FIXED tonight** (see above). one more *clear win* available: hydration silently drops any curated id no longer in the discovery pool — could fall back to the stored `track_data_json` blob so the row can't shrink at read time.
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- **The Archives / Discovery Weekly** — strong already. nice 3-tier popularity split + serendipity scoring (boost never-played artists, penalize overplayed). same hydration-drop caveat as Fresh Tape; same cheap fallback fix.
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- **Seasonal Mix** — cleanest of the bunch. hydrates from a dedicated `seasonal_tracks` table (carries its own data), so it doesn't suffer the pool-drop problem. no bug.
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### discovery-pool generators (live queries)
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- **Popular Picks** — ranks by popularity DESC. solid. only nit: on iTunes (no popularity scale) it silently degrades to random — indistinguishable from Shuffle there. UI-label thing at most.
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- **Hidden Gems** — *clear win*. currently `ORDER BY RANDOM()` over low-popularity tracks — so it's "random obscure," not "*best* obscure." a light ranking (popularity just under the threshold, or genre-affinity to you) would make it feel curated instead of arbitrary. (a deeper *product call*: add personalization like Archives has — bigger lift, changes its "pure underground" character.)
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- **Genre Playlists** — good. pushes the genre match into SQL. `RANDOM()` ordering is fine for a browse; a popularity/affinity tiebreak (*clear win*) would make thin genres feel less arbitrary.
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- **Discovery Shuffle** — random by design, correct. only possible add: exclude tracks already shown in other rows this refresh (needs a cross-section seen-set — medium plumbing).
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- **Time Machine (by decade)** — *clear win, low risk*: decades are hardcoded, so a modern-only library shows 7 decade tabs, 5 empty. filter the tabs to decades that actually have pool data.
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- **Daily Mix** — the weakest row. the "50% your library" half permanently returns nothing (library tracks have no source ids to play), so each Daily Mix is really just a relabeled Genre Playlist. real fix = backfill source ids into library rows (*schema-level, higher risk*) — worth a dedicated pass, not a quick tweak. also silently falls back to "top artists as pseudo-genres" when genre data is missing → "Daily Mix 1" becomes mislabeled artist-radio. gate/label that (*clear win*).
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### cross-cutting
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- **hydration fragility** (Fresh Tape + Archives): both depend on curated ids still living in the pool at read time; misses are dropped silently. Seasonal already solved this with a dedicated table. giving the two spotify-style rows the same data-blob fallback is the single most robust cross-cutting fix. low risk, clear win.
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- **RANDOM-ordering pattern** (Hidden Gems, Shuffle, Genre, Decade): intentional for variety, but leaves quality signal on the table for the non-shuffle rows. adding a light ranking pass to Hidden Gems + Genre is the biggest "best-in-class" lever after tonight's work.
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want me to take any of these? the Hidden Gems ranking + Time Machine empty-decade filter + the Fresh Tape/Archives hydration fallback are all safe, additive, same-shape-as-tonight wins i can knock out next.
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@ -46,6 +46,67 @@ def _get(row: object, attr: str):
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return getattr(row, attr, None)
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def names_match(a: object, b: object) -> bool:
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"""Strict artist-name equality after stripping case + non-alphanumerics.
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Used to verify a name-search result before fetching that artist's top tracks, so the
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"Listening Mix" can never pull the WRONG artist's songs (e.g. a same-name act). Exact
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alphanumeric match: "Tyler, The Creator" == "Tyler The Creator", but "Drake" != "Drake Bell".
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Pure.
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"""
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def _alnum(x: object) -> str:
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return "".join(ch for ch in str(x or "").lower() if ch.isalnum())
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na, nb = _alnum(a), _alnum(b)
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return bool(na) and na == nb
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def similarity_from_rank(rank: object, max_rank: int = 10) -> float:
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"""Turn a stored ``similarity_rank`` (1 = most similar … 10 = least) into a 0–1 weight.
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SoulSync stores each ``(seed → similar)`` edge with a 1–10 rank (``1`` is the closest
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match). The ranker multiplies this into the score so a seed's *closest* matches count
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for more than its long-tail ones. Linear decay over the documented range: rank 1 → 1.0,
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rank 5 → 0.6, rank 10 → 0.1, with a 0.1 floor so a far match still contributes. A
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missing/garbage rank falls back to 1.0 (treat as "no rank info, full weight"). Pure.
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"""
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try:
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r = int(rank)
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except (TypeError, ValueError):
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return 1.0
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floor = round(1.0 / max_rank, 4)
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if r <= 1:
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return 1.0
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if r >= max_rank:
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return floor
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return round((max_rank - r + 1) / max_rank, 4)
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def build_recency_weighted_seeds(
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top_artists: Sequence[dict],
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recent_play_counts: Optional[Dict[str, float]] = None,
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*,
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recency_factor: float = 1.5,
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) -> List[dict]:
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"""Blend lifetime + recent play counts into seed weights — "what you're into NOW".
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``weight = lifetime_plays + recency_factor × recent_plays``. An artist you've played a
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lot *recently* outranks one you played a lot years ago, so the recommendations track
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your current taste instead of your all-time history. ``recency_factor`` is the dial
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(0 = pure lifetime). Returns ``[{'name', 'weight'}]`` for :func:`rank_recommended_artists`.
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Pure — the caller supplies both play-count maps from the listening history.
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"""
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recent = {_norm(k): _positive_float(v, 0.0) for k, v in (recent_play_counts or {}).items()}
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out: List[dict] = []
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for a in top_artists or ():
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name = str(a.get("name") or "").strip()
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if not name:
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continue
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lifetime = _positive_float(a.get("play_count", a.get("weight", 1.0)))
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boost = recency_factor * recent.get(_norm(name), 0.0)
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out.append({"name": name, "weight": lifetime + boost})
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return out
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def group_similars_by_seed(
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seeds: Sequence[dict],
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similar_rows: Sequence,
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@ -53,14 +114,21 @@ def group_similars_by_seed(
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*,
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source_id_attr: str = "source_artist_id",
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similar_name_attr: str = "similar_artist_name",
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rank_attr: Optional[str] = None,
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) -> Dict[str, List[dict]]:
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"""Reshape flat ``similar_artists`` rows into ``{seed_name_lower: [{'name': similar}]}``.
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"""Reshape flat ``similar_artists`` rows into ``{seed_name_lower: [{'name', 'score'?}]}``.
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The stored rows key the similar artist by the SEED's source id (``source_artist_id``),
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not its name, so :func:`rank_recommended_artists` can't consume them directly. This
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resolves each row's source id to a name via ``id_to_name`` (``{source_artist_id:
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artist_name}`` for the library, built by the caller) and keeps only rows that resolve
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to one of the ``seeds``. Rows may be dataclass objects or dicts. Pure — no I/O.
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``id_to_name`` MUST be keyed by whatever id the edges actually store — for SoulSync that
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is the artist's SOURCE id (Spotify/iTunes/Deezer/MusicBrainz), NOT the internal row id.
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When ``rank_attr`` is given, each row's rank is converted via :func:`similarity_from_rank`
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and carried as ``score`` so closer matches weigh more; without it every similar comes out
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score-less (the ranker then treats similarity as 1.0 — original behavior).
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"""
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seed_names = {_norm(s.get("name")) for s in seeds}
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seed_names.discard("")
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if not seed_name or seed_name not in seed_names:
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continue
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sim_name = str(_get(row, similar_name_attr) or "").strip()
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if sim_name:
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out.setdefault(seed_name, []).append({"name": sim_name})
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if not sim_name:
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continue
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entry = {"name": sim_name}
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if rank_attr is not None:
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entry["score"] = similarity_from_rank(_get(row, rank_attr))
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out.setdefault(seed_name, []).append(entry)
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return out
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return out[:limit]
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def to_mix_track(track: object, source: str) -> Optional[dict]:
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"""Shape one source "top tracks" API dict into the flat dict the Discover compact
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playlist row renders + syncs (the "Listening Mix" #913 playlist).
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Spotify's ``artist_top_tracks`` and Deezer's ``get_artist_top_tracks`` both return the
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same Spotify-shape object (``id, name, artists[], album{name,images[]}, duration_ms``).
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This flattens that into the renderer's field names (``track_name/artist_name/album_name/
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album_cover_url/duration_ms``), keeps the original under ``track_data_json`` for sync, and
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sets the source-specific id field. Returns None for anything without a usable id/title so
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the caller can filter. A ``name`` key is kept so :func:`aggregate_candidate_tracks` can
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dedup by title. Pure — no I/O.
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"""
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if not isinstance(track, dict):
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return None
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tid = track.get("id")
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name = str(track.get("name") or "").strip()
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if not tid or not name:
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return None
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artists = track.get("artists") or []
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artist_name = ""
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if artists and isinstance(artists[0], dict):
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artist_name = str(artists[0].get("name") or "").strip()
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album = track.get("album") if isinstance(track.get("album"), dict) else {}
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album_name = str(album.get("name") or "").strip()
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images = album.get("images") or []
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cover = images[0].get("url") if images and isinstance(images[0], dict) else None
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out = {
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"track_id": str(tid),
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"name": name, # for aggregate_candidate_tracks dedup
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"track_name": name, # for the renderer
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"artist_name": artist_name,
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"album_name": album_name,
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"album_cover_url": cover,
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"duration_ms": track.get("duration_ms") or 0,
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"track_data_json": track, # full payload for sync/download
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"source": source,
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}
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id_field = {"spotify": "spotify_track_id", "deezer": "deezer_track_id",
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"itunes": "itunes_track_id"}.get(source)
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if id_field:
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out[id_field] = str(tid)
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return out
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__all__ = [
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"RecommendedArtist",
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"names_match",
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"similarity_from_rank",
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"build_recency_weighted_seeds",
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"to_mix_track",
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"group_similars_by_seed",
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"rank_recommended_artists",
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"aggregate_candidate_tracks",
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@ -3633,8 +3633,13 @@ class WatchlistScanner:
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for source in sources_to_process:
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logger.info(f"Curating Release Radar for {source}...")
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# 1. Curate Release Radar - 50 tracks from recent albums
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recent_albums = self.database.get_discovery_recent_albums(limit=50, source=source, profile_id=profile_id)
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# 1. Curate Release Radar - 50 tracks from recent albums.
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# Fetch a GENEROUS album budget (not 50) and exclude next-year announcements at the
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# query: future-dated albums sort to the top of release_date DESC and used to eat the
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# budget before the in-loop is_future_release skip ran, starving Fresh Tape to a few
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# tracks. The downstream caps (6/artist, top 75, take 50) still bound the output.
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recent_albums = self.database.get_discovery_recent_albums(
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limit=300, source=source, profile_id=profile_id, exclude_future_years=True)
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release_radar_tracks = []
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if not recent_albums:
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@ -4004,45 +4009,129 @@ class WatchlistScanner:
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The ranking lives in core.discovery.listening_recommendations (pure + tested); this only
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gathers inputs — all already in the DB, NO new network — and stores the result under NEW
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metadata/curated keys. Fully self-contained and guarded: any failure logs and returns, so
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it can never disturb the scan. Phase-1 candidate tracks come from the discovery pool (like
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BYLT); a later phase swaps in a direct top-tracks fetch for richer coverage.
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it can never disturb the scan.
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"Best in class" generation (the elevation over the first cut):
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• Seeds are recency-weighted — recent plays boost lifetime favourites so the picks
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track what you're into NOW, not just all-time totals.
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• The ranker is fed the RAW per-seed edges (one row per seed→similar), so an artist
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similar to several of your seeds accumulates real CONSENSUS — the old code fed the
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name-collapsed ``get_top_similar_artists`` query, which flattened every similar to a
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single seed (consensus could never fire). The raw edges also carry ``similarity_rank``,
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so a seed's CLOSEST matches outweigh its long-tail ones.
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• ``source_artist_id`` is a SOURCE id (Spotify/iTunes/Deezer/MusicBrainz), so the id→name
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map is built from the artists' source-id columns, NOT the internal row id (the first
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cut keyed it by ``artists.id`` and resolved nothing — the feature produced 0 recs).
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Phase-1 candidate tracks still come from the discovery pool (like BYLT); a later phase
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swaps in a direct top-tracks fetch for richer coverage.
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"""
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try:
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import json as _json
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from core.discovery.listening_recommendations import (
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aggregate_candidate_tracks,
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build_recency_weighted_seeds,
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group_similars_by_seed,
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names_match,
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rank_recommended_artists,
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to_mix_track,
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)
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seeds = [{'name': s['name'], 'weight': s.get('play_count', 1)}
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for s in (self.database.get_top_artists('all', 30) or []) if s.get('name')]
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if not seeds:
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# Recency-weighted seeds: lifetime top artists, boosted by recent (30d) plays.
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lifetime = [s for s in (self.database.get_top_artists('all', 30) or []) if s.get('name')]
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if not lifetime:
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return
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recent_rows = self.database.get_top_artists('30d', 50) or []
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recent_counts = {r['name'].lower(): r.get('play_count', 0)
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for r in recent_rows if r.get('name')}
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seeds = build_recency_weighted_seeds(lifetime, recent_counts)
|
||||
seed_names = {s['name'].lower() for s in seeds}
|
||||
|
||||
# id -> name + owned-artist set for the WHOLE library (similar_artists rows key the
|
||||
# similar artist by the seed artist's id).
|
||||
id_to_name, owned = {}, set()
|
||||
# Owned-artist set (for exclusion) + the seeds' SOURCE ids (similar_artists.source_artist_id
|
||||
# is a Spotify/iTunes/Deezer/MusicBrainz id, never the internal artists.id). We only need
|
||||
# id→name for the SEED ids, since the edge query below is already scoped to them.
|
||||
owned, seed_source_ids, seed_id_to_name = set(), [], {}
|
||||
with self.database._get_connection() as conn:
|
||||
cur = conn.cursor()
|
||||
cur.execute("SELECT id, name FROM artists WHERE name IS NOT NULL AND name != ''")
|
||||
cur.execute("SELECT name, spotify_artist_id, itunes_artist_id, deezer_id, "
|
||||
"musicbrainz_id FROM artists WHERE name IS NOT NULL AND name != ''")
|
||||
for row in cur.fetchall():
|
||||
id_to_name[str(row[0])] = row[1]
|
||||
owned.add((row[1] or '').lower())
|
||||
nm = row[0]
|
||||
lname = (nm or '').lower()
|
||||
owned.add(lname)
|
||||
if lname in seed_names:
|
||||
for sid in (row[1], row[2], row[3], row[4]):
|
||||
if sid:
|
||||
seed_source_ids.append(str(sid))
|
||||
seed_id_to_name[str(sid)] = nm
|
||||
|
||||
# RAW per-seed edges (preserve consensus + similarity_rank). Scoped to the seeds.
|
||||
edges, edge_cols = [], ('source_artist_id', 'similar_artist_name', 'similarity_rank',
|
||||
'spotify_id', 'itunes_id', 'deezer_id', 'image_url', 'genres')
|
||||
if seed_source_ids:
|
||||
placeholders = ",".join("?" * len(seed_source_ids))
|
||||
cur.execute(
|
||||
f"SELECT source_artist_id, similar_artist_name, similarity_rank, "
|
||||
f"similar_artist_spotify_id, similar_artist_itunes_id, "
|
||||
f"similar_artist_deezer_id, image_url, genres FROM similar_artists "
|
||||
f"WHERE profile_id = ? AND source_artist_id IN ({placeholders})",
|
||||
[profile_id, *seed_source_ids])
|
||||
edges = [dict(zip(edge_cols, r, strict=False)) for r in cur.fetchall()]
|
||||
|
||||
# Per-name enrichment (image/ids/genres) so the Discover row can render rich cards.
|
||||
artist_meta_by_name = {}
|
||||
for e in edges:
|
||||
key = (e['similar_artist_name'] or '').lower()
|
||||
if not key:
|
||||
continue
|
||||
m = artist_meta_by_name.setdefault(key, {})
|
||||
for src_k, dst_k in (('spotify_id', 'spotify_artist_id'),
|
||||
('itunes_id', 'itunes_artist_id'),
|
||||
('deezer_id', 'deezer_artist_id')):
|
||||
if e.get(src_k) and not m.get(dst_k):
|
||||
m[dst_k] = e[src_k]
|
||||
if e.get('image_url') and not m.get('image_url'):
|
||||
m['image_url'] = e['image_url']
|
||||
if e.get('genres') and not m.get('genres'):
|
||||
m['genres'] = e['genres']
|
||||
|
||||
similars_by_seed = group_similars_by_seed(
|
||||
seeds, edges, seed_id_to_name, rank_attr='similarity_rank')
|
||||
|
||||
# Fallback: if the raw edges resolved nothing (e.g. source ids not yet populated),
|
||||
# degrade to the aggregated query so the feature still works rather than going dark.
|
||||
if not similars_by_seed:
|
||||
agg = self.database.get_top_similar_artists(limit=1000, profile_id=profile_id)
|
||||
similars_by_seed = group_similars_by_seed(
|
||||
seeds, agg, seed_id_to_name, rank_attr='similarity_rank')
|
||||
|
||||
similar_rows = self.database.get_top_similar_artists(limit=1000, profile_id=profile_id)
|
||||
similars_by_seed = group_similars_by_seed(seeds, similar_rows, id_to_name)
|
||||
recs = rank_recommended_artists(seeds, similars_by_seed, owned, limit=40)
|
||||
if not recs:
|
||||
logger.info("[Listening Recs] no recommendations yet (no similar-artist coverage)")
|
||||
return
|
||||
|
||||
self.database.set_metadata('listening_recs_artists', _json.dumps([
|
||||
{'name': r.name, 'seed_count': r.seed_count, 'seeds': r.seeds[:5], 'score': r.score}
|
||||
for r in recs
|
||||
]))
|
||||
def _enrich(r):
|
||||
m = artist_meta_by_name.get(r.name.lower(), {})
|
||||
genres = m.get('genres')
|
||||
if isinstance(genres, str):
|
||||
try:
|
||||
genres = _json.loads(genres)
|
||||
except Exception:
|
||||
genres = None
|
||||
return {'name': r.name, 'seed_count': r.seed_count, 'seeds': r.seeds[:5],
|
||||
'score': r.score, 'spotify_artist_id': m.get('spotify_artist_id'),
|
||||
'itunes_artist_id': m.get('itunes_artist_id'),
|
||||
'deezer_artist_id': m.get('deezer_artist_id'),
|
||||
'image_url': m.get('image_url'),
|
||||
'genres': (genres[:3] if isinstance(genres, list) else None)}
|
||||
|
||||
# Candidate tracks from the discovery pool grouped by artist (phase 1: no new network).
|
||||
self.database.set_metadata('listening_recs_artists',
|
||||
_json.dumps([_enrich(r) for r in recs]))
|
||||
|
||||
# Candidate tracks for the "Listening Mix" playlist row: each recommended artist's
|
||||
# top tracks. Prefer a DIRECT top-tracks fetch (Spotify/Deezer — richest + most
|
||||
# accurate), fall back to the discovery pool (covers iTunes + any artist the fetch
|
||||
# missed). Stored as full render-ready dicts so the row needs NO pool re-hydration —
|
||||
# robust against pool rotation (the bug that shrinks Fresh Tape/Archives at read time).
|
||||
pool, active_source = [], None
|
||||
for src in (sources_to_process or []):
|
||||
pool = self.database.get_discovery_pool_tracks(
|
||||
|
|
@ -4050,24 +4139,85 @@ class WatchlistScanner:
|
|||
if pool:
|
||||
active_source = src
|
||||
break
|
||||
if not active_source:
|
||||
active_source = (sources_to_process or ['spotify'])[0]
|
||||
|
||||
track_ids = []
|
||||
if pool:
|
||||
by_artist = {}
|
||||
for t in pool:
|
||||
an = (getattr(t, 'artist_name', '') or '').lower()
|
||||
tid = (getattr(t, 'spotify_track_id', None) if active_source == 'spotify'
|
||||
else getattr(t, 'itunes_track_id', None) if active_source == 'itunes'
|
||||
else getattr(t, 'deezer_track_id', None))
|
||||
if an and tid:
|
||||
by_artist.setdefault(an, []).append({'name': getattr(t, 'track_name', ''), 'id': tid})
|
||||
candidates = aggregate_candidate_tracks(recs, by_artist, per_artist=3, limit=50)
|
||||
track_ids = [c['id'] for c in candidates if c.get('id')]
|
||||
if track_ids:
|
||||
self.database.save_curated_playlist('listening_recs_tracks', track_ids, profile_id=profile_id)
|
||||
# Pool baseline grouped by artist (full render dicts), no network.
|
||||
pool_by_artist = {}
|
||||
for t in (pool or []):
|
||||
an = (getattr(t, 'artist_name', '') or '').lower()
|
||||
tid = (getattr(t, 'spotify_track_id', None) if active_source == 'spotify'
|
||||
else getattr(t, 'itunes_track_id', None) if active_source == 'itunes'
|
||||
else getattr(t, 'deezer_track_id', None))
|
||||
name = getattr(t, 'track_name', '') or ''
|
||||
if not an or not tid or not name:
|
||||
continue
|
||||
tdj = getattr(t, 'track_data_json', None)
|
||||
if isinstance(tdj, str):
|
||||
try:
|
||||
tdj = _json.loads(tdj)
|
||||
except Exception:
|
||||
tdj = None
|
||||
pool_by_artist.setdefault(an, []).append({
|
||||
'track_id': str(tid), 'name': name, 'track_name': name,
|
||||
'artist_name': getattr(t, 'artist_name', '') or '',
|
||||
'album_name': getattr(t, 'album_name', '') or '',
|
||||
'album_cover_url': getattr(t, 'album_cover_url', None),
|
||||
'duration_ms': getattr(t, 'duration_ms', 0) or 0,
|
||||
'track_data_json': tdj, 'source': active_source,
|
||||
f'{active_source}_track_id': str(tid)})
|
||||
|
||||
logger.info("[Listening Recs] %d recommended artists, %d candidate tracks",
|
||||
len(recs), len(track_ids))
|
||||
# Direct top-tracks enrichment — guarded, bounded (top 20 recs), fail-soft per artist.
|
||||
fetched_by_artist = {}
|
||||
try:
|
||||
if active_source in ('spotify', 'deezer'):
|
||||
client = get_client_for_source(active_source)
|
||||
if client and hasattr(client, 'get_artist_top_tracks'):
|
||||
id_key = 'spotify_artist_id' if active_source == 'spotify' else 'deezer_artist_id'
|
||||
can_search = hasattr(client, 'search_artists')
|
||||
for r in recs[:20]:
|
||||
aid = artist_meta_by_name.get(r.name.lower(), {}).get(id_key)
|
||||
# Most similar-artist rows store a name but no source id, so resolve
|
||||
# it by name-search — guarded by names_match so we never fetch the
|
||||
# WRONG artist's tracks (a same-name act).
|
||||
if not aid and can_search:
|
||||
try:
|
||||
found = client.search_artists(r.name, limit=1) or []
|
||||
except Exception as _s_err:
|
||||
logger.debug("[Listening Recs] artist search failed for %s: %s",
|
||||
r.name, _s_err)
|
||||
found = []
|
||||
if found and names_match(r.name, getattr(found[0], 'name', '')):
|
||||
aid = getattr(found[0], 'id', None)
|
||||
if not aid:
|
||||
continue
|
||||
try:
|
||||
raw = client.get_artist_top_tracks(str(aid), limit=8) or []
|
||||
except Exception as _tt_err:
|
||||
logger.debug("[Listening Recs] top-tracks fetch failed for %s: %s",
|
||||
r.name, _tt_err)
|
||||
continue
|
||||
shaped = [s for s in (to_mix_track(x, active_source) for x in raw) if s][:5]
|
||||
if shaped:
|
||||
fetched_by_artist[r.name.lower()] = shaped
|
||||
except Exception as _enr_err:
|
||||
logger.debug("[Listening Recs] top-tracks enrichment skipped: %s", _enr_err)
|
||||
|
||||
# Merge: prefer fetched top tracks, fall back to the pool per artist.
|
||||
top_tracks_by_artist = {}
|
||||
for r in recs:
|
||||
merged = fetched_by_artist.get(r.name.lower()) or pool_by_artist.get(r.name.lower())
|
||||
if merged:
|
||||
top_tracks_by_artist[r.name.lower()] = merged
|
||||
|
||||
mix = aggregate_candidate_tracks(recs, top_tracks_by_artist, per_artist=3, limit=50)
|
||||
track_ids = [m.get('track_id') for m in mix if m.get('track_id')]
|
||||
if mix:
|
||||
self.database.set_metadata('listening_recs_tracks_full', _json.dumps(mix))
|
||||
self.database.save_curated_playlist('listening_recs_tracks', track_ids, profile_id=profile_id)
|
||||
|
||||
logger.info("[Listening Recs] %d recommended artists, %d mix tracks (%d artists via top-tracks fetch)",
|
||||
len(recs), len(mix), len(fetched_by_artist))
|
||||
except Exception as e:
|
||||
logger.debug("[Listening Recs] generation skipped: %s", e)
|
||||
|
||||
|
|
|
|||
|
|
@ -10884,23 +10884,40 @@ class MusicDatabase:
|
|||
logger.error(f"Error caching discovery recent album: {e}")
|
||||
return False
|
||||
|
||||
def get_discovery_recent_albums(self, limit: int = 10, source: Optional[str] = None, profile_id: int = 1) -> List[Dict[str, Any]]:
|
||||
"""Get cached recent albums for discover page, optionally filtered by source"""
|
||||
def get_discovery_recent_albums(self, limit: int = 10, source: Optional[str] = None, profile_id: int = 1,
|
||||
exclude_future_years: bool = False) -> List[Dict[str, Any]]:
|
||||
"""Get cached recent albums for discover page, optionally filtered by source.
|
||||
|
||||
exclude_future_years: drop announced-but-unreleased albums dated to a LATER YEAR.
|
||||
Because rows are ordered ``release_date DESC``, future-dated albums otherwise sort to
|
||||
the very top and consume the ``limit`` budget — which is exactly why Fresh Tape / Release
|
||||
Radar starved down to a handful of tracks. Year-level so it's precision-safe across
|
||||
'YYYY' / 'YYYY-MM' / 'YYYY-MM-DD'; same-year future months are left for the caller's precise
|
||||
``is_future_release`` check. NULL/blank dates are kept (treated as released).
|
||||
"""
|
||||
try:
|
||||
with self._get_connection() as conn:
|
||||
cursor = conn.cursor()
|
||||
|
||||
future_clause = ""
|
||||
if exclude_future_years:
|
||||
future_clause = (
|
||||
" AND (release_date IS NULL OR release_date = '' "
|
||||
"OR CAST(substr(release_date, 1, 4) AS INTEGER) "
|
||||
"<= CAST(strftime('%Y','now') AS INTEGER))"
|
||||
)
|
||||
|
||||
if source:
|
||||
cursor.execute("""
|
||||
cursor.execute(f"""
|
||||
SELECT * FROM discovery_recent_albums
|
||||
WHERE source = ? AND profile_id = ?
|
||||
WHERE source = ? AND profile_id = ?{future_clause}
|
||||
ORDER BY release_date DESC
|
||||
LIMIT ?
|
||||
""", (source, profile_id, limit))
|
||||
else:
|
||||
cursor.execute("""
|
||||
cursor.execute(f"""
|
||||
SELECT * FROM discovery_recent_albums
|
||||
WHERE profile_id = ?
|
||||
WHERE profile_id = ?{future_clause}
|
||||
ORDER BY release_date DESC
|
||||
LIMIT ?
|
||||
""", (profile_id, limit))
|
||||
|
|
|
|||
|
|
@ -4,14 +4,67 @@ from __future__ import annotations
|
|||
|
||||
from core.discovery.listening_recommendations import (
|
||||
aggregate_candidate_tracks,
|
||||
build_recency_weighted_seeds,
|
||||
names_match,
|
||||
rank_recommended_artists,
|
||||
similarity_from_rank,
|
||||
to_mix_track,
|
||||
)
|
||||
|
||||
|
||||
# ── names_match (guards the top-tracks fetch against wrong-artist results) ─────
|
||||
def test_names_match_ignores_case_and_punctuation():
|
||||
assert names_match("Tyler, The Creator", "Tyler The Creator")
|
||||
assert names_match("BEYONCÉ", "beyoncé")
|
||||
assert names_match("AC/DC", "ac dc")
|
||||
|
||||
|
||||
def test_names_match_rejects_near_misses_and_empty():
|
||||
assert not names_match("Drake", "Drake Bell")
|
||||
assert not names_match("", "anything")
|
||||
assert not names_match("X", None)
|
||||
|
||||
|
||||
def _seed(name, weight=1.0):
|
||||
return {"name": name, "weight": weight}
|
||||
|
||||
|
||||
# ── similarity_from_rank (1=closest .. 10=farthest -> 1.0 .. 0.1) ─────────────
|
||||
def test_similarity_from_rank_decays_over_documented_range():
|
||||
assert similarity_from_rank(1) == 1.0
|
||||
assert similarity_from_rank(5) == 0.6
|
||||
assert similarity_from_rank(10) == 0.1
|
||||
|
||||
|
||||
def test_similarity_from_rank_clamps_and_defaults():
|
||||
assert similarity_from_rank(0) == 1.0 # <=1 -> full weight
|
||||
assert similarity_from_rank(50) == 0.1 # beyond range -> floor
|
||||
assert similarity_from_rank(None) == 1.0 # missing -> full weight (no rank info)
|
||||
assert similarity_from_rank("nan") == 1.0
|
||||
|
||||
|
||||
# ── build_recency_weighted_seeds (lifetime + factor*recent) ───────────────────
|
||||
def test_recency_boost_reorders_toward_current_taste():
|
||||
# Old-fav has more lifetime plays, but New-fav dominates recently.
|
||||
lifetime = [{"name": "OldFav", "play_count": 100}, {"name": "NewFav", "play_count": 40}]
|
||||
recent = {"newfav": 60}
|
||||
seeds = build_recency_weighted_seeds(lifetime, recent, recency_factor=1.5)
|
||||
by = {s["name"]: s["weight"] for s in seeds}
|
||||
assert by["OldFav"] == 100.0 # no recent plays -> unchanged
|
||||
assert by["NewFav"] == 40 + 1.5 * 60 # 130 -> now outranks OldFav
|
||||
|
||||
|
||||
def test_recency_factor_zero_is_pure_lifetime():
|
||||
seeds = build_recency_weighted_seeds(
|
||||
[{"name": "A", "play_count": 7}], {"a": 99}, recency_factor=0)
|
||||
assert seeds == [{"name": "A", "weight": 7.0}]
|
||||
|
||||
|
||||
def test_recency_seeds_skip_blank_names_and_tolerate_missing_recent():
|
||||
seeds = build_recency_weighted_seeds([{"name": ""}, {"name": "A", "play_count": 3}])
|
||||
assert seeds == [{"name": "A", "weight": 3.0}]
|
||||
|
||||
|
||||
# ── rank_recommended_artists ─────────────────────────────────────────────────
|
||||
def test_consensus_outranks_single_endorsement():
|
||||
# 'Common' is similar to BOTH seeds; 'Solo' to one. Equal weights/scores.
|
||||
|
|
@ -117,6 +170,46 @@ def test_aggregate_skips_artist_with_no_tracks():
|
|||
assert [t["name"] for t in out] == ["only"] # sim-b had no tracks -> skipped
|
||||
|
||||
|
||||
# ── to_mix_track (source top-track dict -> Discover compact-row dict) ─────────
|
||||
def _sp_track(tid="t1", name="Song", artist="Artist", album="Album", cover="http://cdn/c.jpg"):
|
||||
return {"id": tid, "name": name, "artists": [{"name": artist}],
|
||||
"album": {"name": album, "images": ([{"url": cover}] if cover else [])},
|
||||
"duration_ms": 210000, "popularity": 55}
|
||||
|
||||
|
||||
def test_to_mix_track_shapes_render_fields():
|
||||
out = to_mix_track(_sp_track(), "spotify")
|
||||
assert out["track_name"] == "Song" and out["artist_name"] == "Artist"
|
||||
assert out["album_name"] == "Album" and out["album_cover_url"] == "http://cdn/c.jpg"
|
||||
assert out["duration_ms"] == 210000
|
||||
assert out["spotify_track_id"] == "t1" and out["track_id"] == "t1"
|
||||
assert out["track_data_json"]["id"] == "t1" # full payload kept for sync
|
||||
assert out["name"] == "Song" # kept for aggregate dedup
|
||||
|
||||
|
||||
def test_to_mix_track_source_id_field_per_source():
|
||||
assert to_mix_track(_sp_track(), "deezer")["deezer_track_id"] == "t1"
|
||||
assert to_mix_track(_sp_track(), "itunes")["itunes_track_id"] == "t1"
|
||||
|
||||
|
||||
def test_to_mix_track_rejects_unusable_and_tolerates_missing_album():
|
||||
assert to_mix_track({"id": "x"}, "spotify") is None # no title
|
||||
assert to_mix_track({"name": "y"}, "spotify") is None # no id
|
||||
assert to_mix_track("garbage", "spotify") is None
|
||||
bare = to_mix_track({"id": "z", "name": "Z"}, "spotify") # no artists/album
|
||||
assert bare["artist_name"] == "" and bare["album_cover_url"] is None
|
||||
|
||||
|
||||
def test_to_mix_track_feeds_aggregate_end_to_end():
|
||||
# The real pipeline: shape source tracks, then aggregate by recommended artist.
|
||||
recs = _recs("A") # recommends 'sim-A'
|
||||
shaped = [to_mix_track(_sp_track(tid="1", name="One", artist="sim-A"), "spotify"),
|
||||
to_mix_track(_sp_track(tid="2", name="Two", artist="sim-A"), "spotify")]
|
||||
out = aggregate_candidate_tracks(recs, {"sim-a": shaped}, per_artist=5, limit=10)
|
||||
assert [t["track_name"] for t in out] == ["One", "Two"]
|
||||
assert out[0]["spotify_track_id"] == "1"
|
||||
|
||||
|
||||
# ── group_similars_by_seed (id->name join) ───────────────────────────────────
|
||||
from dataclasses import dataclass as _dc # noqa: E402
|
||||
|
||||
|
|
@ -167,3 +260,37 @@ def test_group_then_rank_end_to_end():
|
|||
ranked = rank_recommended_artists(seeds, grouped, owned_artist_names={"solo"})
|
||||
assert ranked[0].name == "Common" and ranked[0].seed_count == 2
|
||||
assert all(r.name != "Solo" for r in ranked) # owned excluded
|
||||
|
||||
|
||||
# ── rank-aware grouping (similarity_rank -> score) ────────────────────────────
|
||||
@_dc
|
||||
class _RankRow:
|
||||
source_artist_id: str
|
||||
similar_artist_name: str
|
||||
similarity_rank: int
|
||||
|
||||
|
||||
def test_group_with_rank_attr_carries_similarity_score():
|
||||
seeds = [_seed("A")]
|
||||
rows = [_RankRow("ia", "Close", 1), _RankRow("ia", "Far", 10)]
|
||||
out = group_similars_by_seed(seeds, rows, {"ia": "A"}, rank_attr="similarity_rank")
|
||||
by = {e["name"]: e["score"] for e in out["a"]}
|
||||
assert by == {"Close": 1.0, "Far": 0.1}
|
||||
|
||||
|
||||
def test_group_without_rank_attr_is_scoreless_backcompat():
|
||||
seeds = [_seed("A")]
|
||||
rows = [_RankRow("ia", "X", 3)]
|
||||
out = group_similars_by_seed(seeds, rows, {"ia": "A"})
|
||||
assert out["a"] == [{"name": "X"}] # no score key -> original behavior
|
||||
|
||||
|
||||
def test_rank_threading_changes_winner_within_a_seed():
|
||||
# The production fix: a CLOSER match (rank 1) on a heavy seed beats a far match (rank 9),
|
||||
# even though both come from the same seed. Without rank threading they'd tie.
|
||||
seeds = [_seed("Fav", weight=10)]
|
||||
rows = [_RankRow("if", "Close", 1), _RankRow("if", "Far", 9)]
|
||||
grouped = group_similars_by_seed(seeds, rows, {"if": "Fav"}, rank_attr="similarity_rank")
|
||||
ranked = rank_recommended_artists(seeds, grouped)
|
||||
assert [r.name for r in ranked] == ["Close", "Far"]
|
||||
assert ranked[0].score > ranked[1].score
|
||||
|
|
|
|||
57
tests/discovery/test_recent_albums_future_filter.py
Normal file
57
tests/discovery/test_recent_albums_future_filter.py
Normal file
|
|
@ -0,0 +1,57 @@
|
|||
"""Fresh Tape / Release Radar candidate fetch must not be starved by future albums.
|
||||
|
||||
Regression: get_discovery_recent_albums orders release_date DESC, so announced-but-
|
||||
unreleased albums dated to a LATER YEAR sort to the very top and consumed the album
|
||||
budget before the scanner's in-loop is_future_release skip ran — leaving only a handful
|
||||
of released albums to draw tracks from (the reported "Fresh Tape only has 5-10 tracks").
|
||||
exclude_future_years drops next-year albums at the query so released ones fill the budget.
|
||||
"""
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
from datetime import datetime
|
||||
|
||||
from database.music_database import MusicDatabase
|
||||
|
||||
|
||||
def _insert(db, **kw):
|
||||
with db._get_connection() as conn:
|
||||
conn.execute(
|
||||
"""INSERT INTO discovery_recent_albums
|
||||
(album_spotify_id, album_name, artist_name, artist_spotify_id,
|
||||
album_cover_url, release_date, album_type, source, profile_id)
|
||||
VALUES (?,?,?,?,?,?,?,?,?)""",
|
||||
(kw['id'], kw['name'], kw['artist'], kw['id'] + '_a', '',
|
||||
kw['release_date'], kw.get('album_type', 'album'), kw.get('source', 'spotify'), 1))
|
||||
conn.commit()
|
||||
|
||||
|
||||
def test_future_year_albums_excluded_released_kept(tmp_path):
|
||||
db = MusicDatabase(database_path=str(tmp_path / "t.db"))
|
||||
this_year = datetime.now().year
|
||||
next_year = this_year + 1
|
||||
_insert(db, id='past1', name='Released A', artist='X', release_date=f'{this_year - 1}-03-01')
|
||||
_insert(db, id='past2', name='Released B', artist='Y', release_date=f'{this_year}-01-15')
|
||||
_insert(db, id='fut1', name='Announced', artist='Z', release_date=f'{next_year}-02-01')
|
||||
_insert(db, id='fut2', name='Year Only Future', artist='W', release_date=str(next_year))
|
||||
_insert(db, id='blank', name='Unknown Date', artist='Q', release_date='')
|
||||
|
||||
names_all = {a['album_name'] for a in db.get_discovery_recent_albums(limit=50, source='spotify')}
|
||||
assert 'Announced' in names_all # without the flag, futures are present (and sort first)
|
||||
|
||||
filtered = db.get_discovery_recent_albums(limit=50, source='spotify', exclude_future_years=True)
|
||||
names = {a['album_name'] for a in filtered}
|
||||
assert 'Announced' not in names # next-year album dropped
|
||||
assert 'Year Only Future' not in names # YYYY-only future dropped
|
||||
assert {'Released A', 'Released B'} <= names # released kept
|
||||
assert 'Unknown Date' in names # blank date kept (treated as released)
|
||||
|
||||
|
||||
def test_future_filter_does_not_over_trim_when_all_released(tmp_path):
|
||||
db = MusicDatabase(database_path=str(tmp_path / "t2.db"))
|
||||
this_year = datetime.now().year
|
||||
for i in range(8):
|
||||
_insert(db, id=f'r{i}', name=f'Album {i}', artist=f'A{i}',
|
||||
release_date=f'{this_year}-0{(i % 9) + 1}-01')
|
||||
filtered = db.get_discovery_recent_albums(limit=300, source='spotify', exclude_future_years=True)
|
||||
assert len(filtered) == 8 # every released album survives, budget honored
|
||||
|
|
@ -1171,7 +1171,7 @@ def test_curate_discovery_playlists_uses_source_priority_for_recent_albums(monke
|
|||
"avg_daily_plays": 0.0,
|
||||
"artist_play_counts": {},
|
||||
})
|
||||
monkeypatch.setattr(scanner.database, "get_discovery_recent_albums", lambda limit, source, profile_id: [recent_album] if source == "deezer" else [], raising=False)
|
||||
monkeypatch.setattr(scanner.database, "get_discovery_recent_albums", lambda limit, source, profile_id, exclude_future_years=False: [recent_album] if source == "deezer" else [], raising=False)
|
||||
monkeypatch.setattr(scanner.database, "get_discovery_pool_tracks", lambda *args, **kwargs: [discovery_track] if kwargs.get("source") == "deezer" else [], raising=False)
|
||||
monkeypatch.setattr(scanner.database, "save_curated_playlist", lambda key, tracks, profile_id=1: saved_playlists.append((key, list(tracks))) or True, raising=False)
|
||||
monkeypatch.setattr(scanner.database, "get_top_artists", lambda *args, **kwargs: [], raising=False)
|
||||
|
|
|
|||
|
|
@ -29083,6 +29083,96 @@ def get_discover_similar_artists():
|
|||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@app.route('/api/discover/listening-recommendations', methods=['GET'])
|
||||
def get_discover_listening_recommendations():
|
||||
"""#913: artists you'd love based on what you actually LISTEN to (play-weighted).
|
||||
|
||||
Distinct from /api/discover/similar-artists (which is driven by your whole library /
|
||||
watchlist): this is seeded by your most-PLAYED artists, consensus-ranked across the
|
||||
similar-artist graph, and recency-boosted. The heavy lifting + storage happen during the
|
||||
watchlist scan (core.watchlist_scanner._build_listening_recommendations -> the
|
||||
'listening_recs_artists' metadata key); this endpoint just reshapes the stored list to the
|
||||
same card shape the recommended-artists row already renders. Read-only, fail-soft.
|
||||
"""
|
||||
try:
|
||||
database = get_database()
|
||||
active_source = _get_active_discovery_source()
|
||||
raw = database.get_metadata('listening_recs_artists')
|
||||
if not raw:
|
||||
return jsonify({"success": True, "artists": [], "source": active_source, "count": 0})
|
||||
try:
|
||||
stored = json.loads(raw) or []
|
||||
except (ValueError, TypeError):
|
||||
stored = []
|
||||
|
||||
result_artists = []
|
||||
for a in stored:
|
||||
name = a.get('name')
|
||||
if not name:
|
||||
continue
|
||||
if active_source == 'spotify':
|
||||
artist_id = a.get('spotify_artist_id')
|
||||
elif active_source == 'deezer':
|
||||
artist_id = a.get('deezer_artist_id') or a.get('itunes_artist_id')
|
||||
else:
|
||||
artist_id = a.get('itunes_artist_id')
|
||||
entry = {
|
||||
"artist_id": artist_id,
|
||||
"spotify_artist_id": a.get('spotify_artist_id'),
|
||||
"itunes_artist_id": a.get('itunes_artist_id'),
|
||||
"deezer_artist_id": a.get('deezer_artist_id'),
|
||||
"artist_name": name,
|
||||
"seed_count": a.get('seed_count'),
|
||||
"source": active_source,
|
||||
}
|
||||
img = a.get('image_url')
|
||||
if img:
|
||||
entry["image_url"] = fix_artist_image_url(img)
|
||||
if a.get('genres'):
|
||||
entry["genres"] = a['genres'][:3]
|
||||
# "because you listen to X, Y, Z" — the most-played artists that point here.
|
||||
if a.get('seeds'):
|
||||
entry["because"] = a['seeds']
|
||||
result_artists.append(entry)
|
||||
|
||||
return jsonify({
|
||||
"success": True,
|
||||
"artists": result_artists,
|
||||
"source": active_source,
|
||||
"count": len(result_artists),
|
||||
})
|
||||
except Exception as e:
|
||||
logger.error(f"Error getting listening recommendations: {e}")
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@app.route('/api/discover/personalized/listening-mix', methods=['GET'])
|
||||
def get_discover_listening_mix():
|
||||
"""#913: the "Listening Mix" playlist row — a playable track mix from the artists you'd
|
||||
love based on what you actually listen to.
|
||||
|
||||
The tracks are built during the watchlist scan (core.watchlist_scanner
|
||||
._build_listening_recommendations -> the 'listening_recs_tracks_full' metadata key) as full
|
||||
render-ready dicts, so this endpoint just hands them back — no discovery-pool re-hydration,
|
||||
which means it can't shrink when the pool rotates (the failure mode Fresh Tape/Archives hit).
|
||||
Same {success, tracks} shape renderCompactPlaylist + the sync/download chains expect.
|
||||
"""
|
||||
try:
|
||||
database = get_database()
|
||||
active_source = _get_active_discovery_source()
|
||||
raw = database.get_metadata('listening_recs_tracks_full')
|
||||
tracks = []
|
||||
if raw:
|
||||
try:
|
||||
tracks = json.loads(raw) or []
|
||||
except (ValueError, TypeError):
|
||||
tracks = []
|
||||
return jsonify({"success": True, "tracks": tracks, "source": active_source})
|
||||
except Exception as e:
|
||||
logger.error(f"Error getting listening mix: {e}")
|
||||
return jsonify({"success": False, "error": str(e)}), 500
|
||||
|
||||
|
||||
@app.route('/api/discover/similar-artists/enrich', methods=['POST'])
|
||||
def enrich_similar_artists():
|
||||
"""Enrich a batch of artist IDs with images/genres from Spotify or iTunes.
|
||||
|
|
|
|||
|
|
@ -3133,6 +3133,53 @@
|
|||
</div>
|
||||
|
||||
<!-- Recommended For You Section (similar-artists graph) -->
|
||||
<!-- #913: listening-driven recommendations (play-weighted, consensus-ranked) -->
|
||||
<div class="discover-section" id="listening-recs-section" style="display: none;">
|
||||
<div class="discover-section-header">
|
||||
<div>
|
||||
<h2 class="discover-section-title">Based On Your Listening</h2>
|
||||
<p class="discover-section-subtitle">Artists you'd love — ranked from who you actually play the most</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="discover-carousel" id="listening-recs-carousel">
|
||||
<!-- Populated by JS -->
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<!-- #913: Listening Mix — a playable track mix from those recommended artists -->
|
||||
<div class="discover-section" style="display: none;">
|
||||
<div class="discover-section-header">
|
||||
<div>
|
||||
<h2 class="discover-section-title">🎧 Your Listening Mix</h2>
|
||||
<p class="discover-section-subtitle">A fresh playlist of tracks from artists matched to your listening</p>
|
||||
</div>
|
||||
<div class="discover-section-actions">
|
||||
<button class="action-button secondary"
|
||||
onclick="openDownloadModalForDiscoverPlaylist('listening_mix', 'Your Listening Mix')"
|
||||
title="Download missing tracks">
|
||||
<span class="button-icon">↓</span><span class="button-text">Download</span>
|
||||
</button>
|
||||
<button class="action-button primary" id="listening-mix-sync-btn"
|
||||
onclick="startDiscoverPlaylistSync('listening_mix', 'Your Listening Mix')"
|
||||
title="Sync to media server">
|
||||
<span class="button-icon">⟳</span><span class="button-text">Sync</span>
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
<div class="discover-sync-status" id="listening-mix-sync-status" style="display: none;">
|
||||
<div class="sync-status-content">
|
||||
<div class="sync-status-label"><span class="sync-icon">⟳</span><span>Syncing to media server...</span></div>
|
||||
<div class="sync-status-stats">
|
||||
<span class="sync-stat">✓ <span id="listening-mix-sync-completed">0</span></span>
|
||||
<span class="sync-stat">⏳ <span id="listening-mix-sync-pending">0</span></span>
|
||||
<span class="sync-stat">✗ <span id="listening-mix-sync-failed">0</span></span>
|
||||
<span class="sync-stat">(<span id="listening-mix-sync-percentage">0</span>%)</span>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="discover-playlist-container compact" id="personalized-listening-mix"></div>
|
||||
</div>
|
||||
|
||||
<div class="discover-section" id="recommended-artists-section" style="display: none;">
|
||||
<div class="discover-section-header">
|
||||
<div>
|
||||
|
|
|
|||
|
|
@ -19,6 +19,7 @@ let personalizedPopularPicks = [];
|
|||
let personalizedHiddenGems = [];
|
||||
let personalizedDailyMixes = [];
|
||||
let personalizedDiscoveryShuffle = [];
|
||||
let personalizedListeningMix = []; // #913: the "Your Listening Mix" track playlist
|
||||
let buildPlaylistSelectedArtists = [];
|
||||
|
||||
async function loadDiscoverPage() {
|
||||
|
|
@ -27,6 +28,8 @@ async function loadDiscoverPage() {
|
|||
// Load all sections
|
||||
await Promise.all([
|
||||
loadDiscoverHero(),
|
||||
loadListeningRecommendations(), // #913: play-weighted, consensus-ranked picks
|
||||
loadPersonalizedListeningMix(), // #913: playable track mix from those picks
|
||||
loadRecommendedArtistsSection(),
|
||||
loadYourArtists(),
|
||||
loadYourAlbums(),
|
||||
|
|
@ -676,10 +679,28 @@ async function addAllRecommendedToWatchlist(btn) {
|
|||
// machinery, so the inline carousel and the "View All" modal stay in sync.
|
||||
let _recommendedSectionCtrl = null;
|
||||
|
||||
function _renderRecommendedMini(artist, source) {
|
||||
// "Because you listen to X, Y" — the listening-driven (#913) variant of the reason line.
|
||||
function _listeningRecommendationReason(artist) {
|
||||
const names = (artist && artist.because) || [];
|
||||
if (names.length === 1) return `Because you listen to ${escapeHtml(names[0])}`;
|
||||
if (names.length === 2) return `Because you listen to ${escapeHtml(names[0])} & ${escapeHtml(names[1])}`;
|
||||
if (names.length >= 3) {
|
||||
const shown = names.slice(0, 2).map(escapeHtml).join(', ');
|
||||
return `Because you listen to ${shown} +${names.length - 2} more`;
|
||||
}
|
||||
return 'From artists you play often';
|
||||
}
|
||||
function _listeningRecommendationReasonTitle(artist) {
|
||||
const names = (artist && artist.because) || [];
|
||||
return names.length ? `You listen to: ${names.join(', ')}` : '';
|
||||
}
|
||||
|
||||
function _renderRecommendedMini(artist, source, opts) {
|
||||
const reasonFn = (opts && opts.reasonFn) || _recommendationReason;
|
||||
const titleFn = (opts && opts.titleFn) || _recommendationReasonTitle;
|
||||
const artistSource = artist.source || source || '';
|
||||
const reason = _recommendationReason(artist);
|
||||
const reasonTitle = _recommendationReasonTitle(artist);
|
||||
const reason = reasonFn(artist);
|
||||
const reasonTitle = titleFn(artist);
|
||||
const genreTags = (artist.genres || []).slice(0, 2).map(g =>
|
||||
`<span class="recommended-card-genre">${escapeHtml(g)}</span>`
|
||||
).join('');
|
||||
|
|
@ -712,7 +733,7 @@ function _renderRecommendedMini(artist, source) {
|
|||
// Progressively fill in images for the cards we actually rendered (the API
|
||||
// returns cached images only; the rest are fetched on demand — same endpoint
|
||||
// the modal uses).
|
||||
async function _enrichRecommendedCarouselCards(items, source) {
|
||||
async function _enrichRecommendedCarouselCards(items, source, carouselId) {
|
||||
const idKey = source === 'spotify' ? 'spotify_artist_id'
|
||||
: source === 'deezer' ? 'deezer_artist_id'
|
||||
: 'itunes_artist_id';
|
||||
|
|
@ -726,7 +747,7 @@ async function _enrichRecommendedCarouselCards(items, source) {
|
|||
});
|
||||
const data = await resp.json();
|
||||
if (!data.success || !data.artists) return;
|
||||
const carousel = document.getElementById('recommended-artists-carousel');
|
||||
const carousel = document.getElementById(carouselId || 'recommended-artists-carousel');
|
||||
if (!carousel) return;
|
||||
for (const [aid, info] of Object.entries(data.artists)) {
|
||||
if (!info.image_url) continue;
|
||||
|
|
@ -778,6 +799,48 @@ async function loadRecommendedArtistsSection() {
|
|||
return _recommendedSectionCtrl.load();
|
||||
}
|
||||
|
||||
// #913: "Based On Your Listening" — play-weighted, consensus-ranked recommendations.
|
||||
// Mirrors loadRecommendedArtistsSection but reads the listening-driven endpoint and
|
||||
// renders a "Because you listen to X" reason. Hides itself when empty (no scan yet).
|
||||
let _listeningRecsCtrl = null;
|
||||
async function loadListeningRecommendations() {
|
||||
if (!_listeningRecsCtrl) {
|
||||
_listeningRecsCtrl = createDiscoverSectionController({
|
||||
id: 'listening-recs',
|
||||
sectionEl: '#listening-recs-section',
|
||||
contentEl: '#listening-recs-carousel',
|
||||
fetchUrl: '/api/discover/listening-recommendations',
|
||||
extractItems: (data) => data.artists || [],
|
||||
isEmpty: (items) => items.length === 0,
|
||||
hideWhenEmpty: true,
|
||||
renderItems: (items, data) => {
|
||||
const source = data.source || 'spotify';
|
||||
const shown = items.slice(0, 18);
|
||||
return shown.map(a => _renderRecommendedMini(a, source, {
|
||||
reasonFn: _listeningRecommendationReason,
|
||||
titleFn: _listeningRecommendationReasonTitle,
|
||||
})).join('');
|
||||
},
|
||||
onRendered: ({ data }) => {
|
||||
const carousel = document.getElementById('listening-recs-carousel');
|
||||
if (carousel && !carousel._recoWired) {
|
||||
carousel._recoWired = true;
|
||||
carousel.addEventListener('click', function (e) {
|
||||
const btn = e.target.closest('.recommended-card-watchlist-btn');
|
||||
if (btn) { e.preventDefault(); e.stopPropagation(); toggleRecommendedWatchlist(btn); }
|
||||
});
|
||||
}
|
||||
const source = (data && data.source) || 'spotify';
|
||||
_enrichRecommendedCarouselCards((data && data.artists || []).slice(0, 18), source, 'listening-recs-carousel');
|
||||
},
|
||||
loadingMessage: 'Reading your listening...',
|
||||
emptyMessage: 'Play more music and run a watchlist scan to see picks based on your listening',
|
||||
errorMessage: 'Failed to load listening recommendations',
|
||||
});
|
||||
}
|
||||
return _listeningRecsCtrl.load();
|
||||
}
|
||||
|
||||
function closeRecommendedArtistsModal() {
|
||||
const modal = document.getElementById('recommended-artists-modal');
|
||||
if (modal) modal.style.display = 'none';
|
||||
|
|
@ -4246,6 +4309,32 @@ async function loadPersonalizedHiddenGems() {
|
|||
}
|
||||
}
|
||||
|
||||
// #913: "Your Listening Mix" — a playable track playlist from the artists matched to your
|
||||
// listening. Mirrors loadPersonalizedHiddenGems; tracks come pre-shaped from the scan so the
|
||||
// row renders + syncs like the others. Hides when empty (no scan / no listening data yet).
|
||||
async function loadPersonalizedListeningMix() {
|
||||
try {
|
||||
const container = document.getElementById('personalized-listening-mix');
|
||||
if (!container) return;
|
||||
|
||||
const response = await fetch('/api/discover/personalized/listening-mix');
|
||||
if (!response.ok) return;
|
||||
|
||||
const data = await response.json();
|
||||
if (!data.success || !data.tracks || data.tracks.length === 0) {
|
||||
container.closest('.discover-section').style.display = 'none';
|
||||
return;
|
||||
}
|
||||
|
||||
personalizedListeningMix = data.tracks;
|
||||
renderCompactPlaylist(container, data.tracks);
|
||||
container.closest('.discover-section').style.display = 'block';
|
||||
|
||||
} catch (error) {
|
||||
console.error('Error loading listening mix:', error);
|
||||
}
|
||||
}
|
||||
|
||||
async function loadPersonalizedDailyMixes() {
|
||||
try {
|
||||
const container = document.getElementById('daily-mixes-grid');
|
||||
|
|
@ -4300,7 +4389,6 @@ function renderCompactPlaylist(container, tracks) {
|
|||
const durationMin = Math.floor(track.duration_ms / 60000);
|
||||
const durationSec = Math.floor((track.duration_ms % 60000) / 1000);
|
||||
const duration = `${durationMin}:${durationSec.toString().padStart(2, '0')}`;
|
||||
const artistEsc = (track.artist_name || '').replace(/'/g, "\\'").replace(/"/g, '"');
|
||||
|
||||
html += `
|
||||
<div class="discover-playlist-track-compact" data-track-index="${index}">
|
||||
|
|
@ -4314,7 +4402,6 @@ function renderCompactPlaylist(container, tracks) {
|
|||
</div>
|
||||
<div class="track-compact-album">${track.album_name}</div>
|
||||
<div class="track-compact-duration">${duration}</div>
|
||||
<button class="track-compact-block" onclick="event.stopPropagation(); blockDiscoveryArtist('${artistEsc}')" title="Block ${artistEsc} from discovery">✕</button>
|
||||
</div>
|
||||
`;
|
||||
});
|
||||
|
|
@ -8646,6 +8733,8 @@ async function openDownloadModalForDiscoverPlaylist(playlistType, playlistName)
|
|||
tracks = personalizedHiddenGems;
|
||||
} else if (playlistType === 'discovery_shuffle') {
|
||||
tracks = personalizedDiscoveryShuffle;
|
||||
} else if (playlistType === 'listening_mix') {
|
||||
tracks = personalizedListeningMix;
|
||||
} else if (playlistType === 'build_playlist') {
|
||||
tracks = buildPlaylistTracks;
|
||||
}
|
||||
|
|
@ -8765,6 +8854,8 @@ async function startDiscoverPlaylistSync(playlistType, playlistName) {
|
|||
tracks = personalizedHiddenGems;
|
||||
} else if (playlistType === 'discovery_shuffle') {
|
||||
tracks = personalizedDiscoveryShuffle;
|
||||
} else if (playlistType === 'listening_mix') {
|
||||
tracks = personalizedListeningMix;
|
||||
} else if (playlistType === 'build_playlist') {
|
||||
tracks = buildPlaylistTracks;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue