first commit

apps/backend/migrations/00001_init.sql

@@ -0,0 +1,53 @@
+-- +goose Up
+create table if not exists tracks (
+    id text primary key,
+    title text not null,
+    artist text not null,
+    album text not null default '',
+    genres jsonb not null default '[]'::jsonb,
+    release_date text not null default '',
+    duration_ms integer not null default 0 check (duration_ms >= 0),
+    popularity double precision not null default 0 check (popularity >= 0 and popularity <= 1),
+    explicit boolean not null default false,
+    features jsonb not null,
+    external jsonb not null default '{}'::jsonb,
+    commercial_boost double precision not null default 0 check (commercial_boost >= 0 and commercial_boost <= 1),
+    quality_penalty double precision not null default 0 check (quality_penalty >= 0 and quality_penalty <= 1),
+    discovery_allowed boolean not null default true,
+    created_at timestamptz not null default now(),
+    updated_at timestamptz not null default now()
+);
+
+create table if not exists interactions (
+    id bigserial primary key,
+    user_id text not null,
+    track_id text not null references tracks(id) on delete cascade,
+    type text not null check (type in ('play', 'skip', 'like', 'dislike', 'save', 'hide')),
+    weight double precision not null default 0,
+    occurred_at timestamptz not null default now(),
+    context jsonb not null default '{}'::jsonb,
+    completed_ms integer not null default 0 check (completed_ms >= 0)
+);
+
+create table if not exists user_controls (
+    user_id text primary key,
+    allow_explicit boolean not null default true,
+    excluded_tracks jsonb not null default '[]'::jsonb,
+    excluded_artists jsonb not null default '[]'::jsonb,
+    excluded_genres jsonb not null default '[]'::jsonb,
+    postponed_tracks jsonb not null default '[]'::jsonb,
+    created_at timestamptz not null default now(),
+    updated_at timestamptz not null default now()
+);
+
+create index if not exists tracks_artist_idx on tracks (artist);
+create index if not exists tracks_popularity_idx on tracks (popularity desc);
+create index if not exists tracks_genres_gin_idx on tracks using gin (genres);
+create index if not exists interactions_user_time_idx on interactions (user_id, occurred_at desc);
+create index if not exists interactions_track_time_idx on interactions (track_id, occurred_at desc);
+create index if not exists interactions_recent_idx on interactions (occurred_at desc);
+
+-- +goose Down
+drop table if exists user_controls;
+drop table if exists interactions;
+drop table if exists tracks;