/// <summary>
/// Add all groups associated with user to the GroupsList if user is logged in
/// </summary>
public async void retrieveGroupsFromServer()
{
System.Diagnostics.Debug.WriteLine("Retrieving groups");
if (App.User != null)
{
GroupChatApi api = GroupChatApi.getInstance();
IEnumerable <GroupChat> groups = await api.getGroupsForUser(App.User.id);
LoadingIndicator = true;
foreach (GroupChat g in groups)
{
string members = await getGroupMemberNames(g);
GroupsContent group = new GroupsContent(g, members);
groupsListUpdate(group);
}
LoadingIndicator = false;
}
}
protected virtual async Task <HttpResponseMessage> deleteGroupChat(GroupChat group)
{
return(await GroupChatApi.getInstance().leaveGroupChat(group, App.User.id));
}
protected virtual async Task <GroupChat> updateGroupChat(GroupChat group)
{
return(await GroupChatApi.getInstance().updateGroupChat(group));
}
protected virtual async Task <GroupChat> renameGroupChat(GroupChat group, string newName)
{
return(await GroupChatApi.getInstance().renameGroupChat(group, newName));
}
private async void addGroup()
{
GroupsContent group;
// Groups can only be retrieved if user is logged in
if (App.User != null)
{
Boolean cancelled = false;
String groupName = "";
String groupMembers = "";
//enterGroupNameDialog reference:
// https://www.reflectionit.nl/blog/2015/windows-10-xaml-tips-messagedialog-and-contentdialog
ContentDialog enterGroupNameDialog = new ContentDialog()
{
Title = "Create a new group"
};
var panel = new StackPanel();
// create the text box for user to set a group name
TextBox groupNameBox = setTextBox("Enter a group name (max 20 characters)", "");
// create the text box for user to add initial group members
TextBox groupMemberBox = setTextBox("Enter user emails", "Separate multiple emails with a space...");
// add the textboxes to the stackpanel
panel.Children.Add(groupNameBox);
panel.Children.Add(groupMemberBox);
enterGroupNameDialog.Content = panel;
enterGroupNameDialog.PrimaryButtonText = "Create";
enterGroupNameDialog.PrimaryButtonClick += delegate
{
groupName = groupNameBox.Text;
groupMembers = groupMemberBox.Text;
};
enterGroupNameDialog.SecondaryButtonText = "Cancel";
enterGroupNameDialog.SecondaryButtonClick += delegate
{
cancelled = true;
};
await ContentDialogHelper.CreateContentDialogAsync(enterGroupNameDialog, true);
if (!cancelled)
{
if (groupName != "")
{
// initial list of users in group includes the logged in user and the groupMembers specified in groupMemberBox
List <string> users = await setInitialUserList(groupMembers);
GroupChat newGroup = new PenscribCommon.Models.GroupChat
{
GroupMembers = users,
CreationDate = DateTime.Now,
Name = groupName
};
GroupChatApi api = GroupChatApi.getInstance();
GroupChat createdGroup = await api.postGroupChat(newGroup);
// Show error if group was unable to be posted to the server
if (createdGroup == null)
{
ContentDialog errorDialog = new ContentDialog()
{
Title = "Unable to sync group with server",
Content = "You are not connected to the server and so the group could not be pushed",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(errorDialog, true);
group = new GroupsContent(defaultGroup, "");
}
else
{
string members = await getGroupMemberNames(createdGroup);
group = new GroupsContent(createdGroup, members);
}
// update the content in the view
//displayNewGroup(group);
LeftFrameNavigator.Navigate(typeof(GroupsView), group);
}
else
{
ContentDialog invalidGroupNameDialog = new ContentDialog()
{
Title = "Invalid group name",
Content = "Please enter a group name",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(invalidGroupNameDialog, true);
addGroup();
}
}
}
else
{
ContentDialog notLoggedInDialog = new ContentDialog()
{
Title = "Not logged in",
Content = "You are not logged in and cannot sync with the server",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(notLoggedInDialog, true);
group = new GroupsContent(defaultGroup, "");
// update the content in the view
//displayNewGroup(group);
LeftFrameNavigator.Navigate(typeof(GroupsView), defaultGroup);
}
}
