getThemeGalleries method
Gets the theme galleries of the given theme
Implementation
Future<Iterable<ThemeGallery>> getThemeGalleries(int id) async {
final response = await _get('/api/theme/$id/gallery');
return response.data.keys
.map<ThemeGallery>((name) => ThemeGallery(name: name, gallery: Gallery.fromJson(response.data[name])));
}