public async Task <SaveResult> SaveChanges(IEnumerable <IEntity> entitiesToSave, SaveOptions saveOptions)
{
var entityManager = entitiesToSave.First().EntityAspect.EntityManager;
var saveBundleNode = PrepareSaveBundle(entitiesToSave, saveOptions);
try {
var saveResultJson =
await saveOptions.DataService.PostAsync(saveOptions.ResourceName, saveBundleNode.Serialize());
return(ProcessSaveResult(entityManager, saveOptions, saveResultJson));
} catch (DataServiceRequestException dsre) {
throw SaveException.Parse(entityManager, dsre.ResponseContent);
} catch (HttpRequestException e) {
throw new SaveException(e.Message, e);
}
}
private void HandleSaveFailure(SaveException e) {
if (e.ValidationErrors.Any()) {
var message = FormatValidationErrors(e.ValidationErrors);
ShowToast(Severity.Warning, message);
}
else {
ShowToast(Severity.Error, e.Message);
}
}
