import 'package:spotiflac_android/constants/music_services.dart'; /// Maps a legacy prefixed resource id (e.g. "deezer:123") to its provider id, /// or null when the value carries no known provider prefix. String? legacyProviderIdFromResourceId(String value) { if (value.startsWith('deezer:')) return MusicServices.deezer; if (value.startsWith('qobuz:')) return MusicServices.qobuz; if (value.startsWith('tidal:')) return MusicServices.tidal; if (value.startsWith('spotify:')) return MusicServices.spotify; return null; } /// Strips a leading "provider:" prefix from a resource id, if present. String stripPrefixedResourceId(String value) { final colonIndex = value.indexOf(':'); if (colonIndex <= 0 || colonIndex == value.length - 1) { return value; } return value.substring(colonIndex + 1); }