private async Task SaveHistories(List <TripHistory> histories)
{
var folderPath = _fileSystemService.GetApplicationFolder();
var filePath = Path.Combine(folderPath, TRIP_HISTORY_FILE);
using (var file = File.Open(filePath, FileMode.Create))
using (var streamWriter = new StreamWriter(file))
{
var fileText = JsonConvert.SerializeObject(histories);
await streamWriter.WriteAsync(fileText).ConfigureAwait(false);
}
}
public async Task <IEnumerable <VehicleModel> > GetVehicleHistory()
{
var folderPath = _fileSystemService.GetApplicationFolder();
var filePath = Path.Combine(folderPath, VEHICLE_HISTORY_FILE);
using (var file = File.Open(filePath, FileMode.OpenOrCreate))
using (var streamReader = new StreamReader(file))
{
var fileText = await streamReader.ReadToEndAsync();
if (String.IsNullOrEmpty(fileText))
{
return(new List <VehicleModel>());
}
var collection = JsonConvert.DeserializeObject <List <VehicleModel> >(fileText);
return(collection);
}
}