public SalesAddViewModel(ISalesDatabase isd, ICustomerDatabase icd, ISalesLineDatabase isld, IDialogService ids, IGeoCoder geocoder)
{
salesDb = isd;
customerDb = icd;
salesLineDb = isld;
dialog = ids;
this.geocoder = geocoder;
if (!GlobalVars.customerListIsLoaded)
{
loadCustomer();
}
RaisePropertyChanged(() => CustomerSelection);
if (SelectedCustomer != null)
{
RaisePropertyChanged(() => SelectedCustomer);
}
if (InsertSalesItemsList != null)
{
if (InsertSalesItemsList.Count() > 0)
{
RaisePropertyChanged(() => InsertSalesItemsList);
RaisePropertyChanged(() => TotalDiscountAmount);
RaisePropertyChanged(() => Total);
}
}
}
public async Task ProceedCommand()
{
//check: if location is avalable, then proceed, if cannot get device location, can't proceed
try
{
var locator = CrossGeolocator.Current;
locator.DesiredAccuracy = 50;
Plugin.Geolocator.Abstractions.Position position;
string address;
int isGpsEnabled;
if (locator.IsGeolocationEnabled)
{
isGpsEnabled = 1;
try
{
position = await locator.GetPositionAsync(10000);
address = await geocoder.GetCityFromLocation(new GeoLocation(position.Latitude, position.Longitude));
}
catch (Exception ex)
{
address = "Unknown";
position = new Plugin.Geolocator.Abstractions.Position();
position.Latitude = 0;
position.Longitude = 0;
}
}
else
{
isGpsEnabled = 0;
address = "Unknown";
position = new Plugin.Geolocator.Abstractions.Position();
position.Latitude = 0;
position.Longitude = 0;
}
//insert sales here
await insertSales(position, address, isGpsEnabled);
SelectedCustomer = null;
InsertSalesItemsList.Clear();
Close(this);
}
catch (Exception ex)
{
}
}
