public async Task DownloadImageAsync(MessageGroupItem item)
{
IsLoading = true;
var saved = true;
try
{
var imageBytes =
await
_messageManager.GetMessageContent(SelectedMessageGroup.MessageGroupId,
item.Message.SentMessageId,
Shell.Instance.ViewModel.CurrentTokens,
Shell.Instance.ViewModel.CurrentUser.Region,
Shell.Instance.ViewModel.CurrentUser.Language);
await FileAccessCommands.SaveStreamToCameraRoll(imageBytes, item.Message.SentMessageId + ".png");
}
catch (Exception ex)
{
//Insights.Report(ex);
saved = false;
}
var loader = new ResourceLoader();
if (!saved)
{
await ResultChecker.SendMessageDialogAsync(loader.GetString("ErrorSaveImage/Text"), false);
}
else
{
await ResultChecker.SendMessageDialogAsync(loader.GetString("ImageSaved/Text"), true);
}
IsLoading = false;
}
private async void GetAvatar(MessageGroupItem message, UserAccountEntity userAccountEntity)
{
UserEntity user = await UserManager.GetUserAvatar(message.Message.senderOnlineId, userAccountEntity);
message.AvatarUrl = user.AvatarUrl;
OnPropertyChanged("MessageGroupCollection");
}
public async void SetMessages(string userName, UserAccountEntity userAccountEntity)
{
MessageGroupCollection = new ObservableCollection <MessageGroupItem>();
var messageManager = new MessageManager();
_messageGroupEntity = await messageManager.GetMessageGroup(userName, userAccountEntity);
foreach (MessageGroupEntity.MessageGroup message in _messageGroupEntity.MessageGroups)
{
var newMessage = new MessageGroupItem {
MessageGroup = message
};
GetAvatar(newMessage, userAccountEntity);
MessageGroupCollection.Add(newMessage);
}
}
public async Task LoadMessageImage(MessageGroupItem item)
{
IsLoading = true;
await Shell.Instance.ViewModel.UpdateTokens();
var imageBytes =
await
_messageManager.GetMessageContent(SelectedMessageGroup.MessageGroupId,
item.Message.SentMessageId,
Shell.Instance.ViewModel.CurrentTokens,
Shell.Instance.ViewModel.CurrentUser.Region,
Shell.Instance.ViewModel.CurrentUser.Language);
item.Image = await DecodeImage(imageBytes);
IsLoading = false;
}
private void MessagesVmOnPropertyChanged(object sender, PropertyChangedEventArgs propertyChangedEventArgs)
{
switch (propertyChangedEventArgs.PropertyName)
{
case "IsNewMessage":
if (Locator.ViewModels.MessagesVm.IsNewMessage)
{
_lastSelectedItem = null;
MessageList.SelectedItem = null;
Locator.ViewModels.MessagesVm.MessageCollection.Clear();
if (AdaptiveStates.CurrentState == NarrowState)
{
// Use "drill in" transition for navigating from master list to detail view
App.RootFrame.Navigate(typeof(MessageDetailPage), null, new DrillInNavigationTransitionInfo());
}
}
break;
}
}
private async void MessageGroup_OnClick(object sender, ItemClickEventArgs e)
{
var clickedItem = (MessageGroupItem)e.ClickedItem;
_lastSelectedItem = clickedItem;
await Locator.ViewModels.MessagesVm.GetMessages(clickedItem.MessageGroup);
Locator.ViewModels.MessagesVm.IsNewMessage = false;
if (AdaptiveStates.CurrentState == NarrowState)
{
// Use "drill in" transition for navigating from master list to detail view
App.RootFrame.Navigate(typeof(MessageDetailPage), null, new DrillInNavigationTransitionInfo());
}
else
{
// Play a refresh animation when the user switches detail items.
//EnableContentTransitions();
}
}