/// <summary> /// Checks if data source has a element after the passed as parameter /// </summary> /// <param name="current">Current element</param> /// <returns>True, if there is a next element, false if there is not</returns> public async Task <bool> HasNext(EntitiesBase.RssSearchResult current) { var data = await GetData(); if (current == null || !data.Any()) { return(false); } return(data.IndexOf(current) < data.Count - 1); }
/// <summary> /// Retrieves the next element from source. /// </summary> /// <param name="current">Current element</param> /// <returns>The next element from items, if it exists. Otherwise, returns null</returns> public async Task <EntitiesBase.RssSearchResult> Next(EntitiesBase.RssSearchResult current) { var data = await GetData(); if (current == null || !data.Any()) { return(null); } var index = data.IndexOf(current); if (index == -1 || index == data.Count - 1) { return(null); } return(data[index + 1]); }