//First call to populate the list of customers
async void Get()
{
// Local data
IsLoading = true;
var result = await CustomerStore.GetItemsAsync(FilterWeight, FilterGrade == null?null : GradeValues[FilterGrade], false);
// Server refresh
if (result == null || !result.Any())
{
if (FilterWeight == null && string.IsNullOrWhiteSpace(FilterGrade))
{
LoadingText = AppResources.FetchingData;
result = await CustomerStore.GetItemsAsync(FilterWeight, FilterGrade == null?null : GradeValues[FilterGrade], true);
CreateGroupedCollection(result);
LoadingText = AppResources.FetchingData;
}
else
{
CreateGroupedCollection(result);
}
}
else
{
CreateGroupedCollection(result);
}
IsLoading = false;
}