add method and route to search across tracks, albums and artists.

+ break models into separate files
+ same for the utils and setup

app/setup/sqlite.py

@@ -0,0 +1,41 @@
+"""
+Module to setup Sqlite databases and tables.
+Applies migrations.
+"""
+
+from app.db.sqlite import create_connection, create_tables, queries
+from app.migrations import apply_migrations, set_postinit_migration_versions
+from app.migrations.__preinit import run_preinit_migrations, set_preinit_migration_versions
+
+from app.settings import APP_DB_PATH, USERDATA_DB_PATH
+
+
+def setup_sqlite():
+    """
+    Create Sqlite databases and tables.
+    """
+    # if os.path.exists(DB_PATH):
+    #     os.remove(DB_PATH)
+
+    run_preinit_migrations()
+
+    app_db_conn = create_connection(APP_DB_PATH)
+    playlist_db_conn = create_connection(USERDATA_DB_PATH)
+
+    create_tables(app_db_conn, queries.CREATE_APPDB_TABLES)
+    create_tables(playlist_db_conn, queries.CREATE_USERDATA_TABLES)
+
+    create_tables(app_db_conn, queries.CREATE_MIGRATIONS_TABLE)
+    create_tables(playlist_db_conn, queries.CREATE_MIGRATIONS_TABLE)
+
+    app_db_conn.close()
+    playlist_db_conn.close()
+
+
+def run_migrations():
+    """
+    Run migrations and updates migration version.
+    """
+    apply_migrations()
+    set_preinit_migration_versions()
+    set_postinit_migration_versions()