private async Task <List <FullFilm> > LoadFilmsFromFile(string fileName)
{
if (!await _storageService.FileExistsAsync(fileName))
{
return(new List <FullFilm>());
}
var json = await _storageService.ReadAllTextAsync(fileName);
var filmList = JsonConvert.DeserializeObject <List <FullFilm> >(json);
return(filmList?.OrderBy(x => x.Weight).ToList() ?? new List <FullFilm>());
}
private async Task <List <Cinema> > LoadCinemasFromFileOrApi()
{
if (!await _storageService.FileExistsAsync(CinemaCacheFile))
{
var cinemas = await _apiClient.GetCinemas();
var json = JsonConvert.SerializeObject(cinemas);
await _storageService.WriteAllTextAsync(CinemaCacheFile, json);
return(cinemas);
}
var fileContents = await _storageService.ReadAllTextAsync(CinemaCacheFile);
var cinemaList = JsonConvert.DeserializeObject <List <Cinema> >(fileContents);
return(cinemaList ?? new List <Cinema>());
}