v1 feature: added playlists

api/sql/schema.sql

@@ -11,7 +11,7 @@ CREATE TABLE dumps (
     file_mime TEXT,
     file_size INTEGER,
     vote_count INTEGER NOT NULL DEFAULT 0,
-    FOREIGN KEY (user_id) REFERENCES users(id)
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
 );
 
 CREATE TABLE users (
@@ -31,3 +31,26 @@ CREATE TABLE votes (
   FOREIGN KEY (dump_id) REFERENCES dumps(id) ON DELETE CASCADE,
   FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
 );
+
+-- v2: playlists
+CREATE TABLE playlists (
+  id          TEXT PRIMARY KEY,
+  user_id     TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+  title       TEXT NOT NULL,
+  description TEXT,
+  is_public   INTEGER NOT NULL DEFAULT 1,
+  created_at  TEXT NOT NULL,
+  image_mime  TEXT
+);
+
+CREATE TABLE playlist_dumps (
+  playlist_id TEXT NOT NULL REFERENCES playlists(id) ON DELETE CASCADE,
+  dump_id     TEXT NOT NULL REFERENCES dumps(id) ON DELETE CASCADE,
+  position    INTEGER NOT NULL,
+  added_at    TEXT NOT NULL,
+  PRIMARY KEY (playlist_id, dump_id)
+);
+
+CREATE INDEX idx_dumps_user ON dumps(user_id);
+CREATE INDEX idx_playlist_dumps_order ON playlist_dumps(playlist_id, position);
+CREATE INDEX idx_playlists_user ON playlists(user_id);