/// <summary>
/// Determines if the current user owns the specified group.
/// </summary>
/// <param name="group"></param>
/// <returns></returns>
bool IsUserOwnerOfGroup(Group group)
{
User user = ArcGISOnlineEnvironment.ArcGISOnline.User.Current;
if (user == null)
return false;
return user.Username == group.Owner;
}
/// <summary>
/// Creates a "Featured Items" text item for the specified group, associates it with the group and shares it.
/// </summary>
void CreateFeaturedItemItemForGroup(Group group, EventHandler<ContentItemEventArgs> callback)
{
List<HttpContentItem> items = new List<HttpContentItem>();
items.Add(new HttpContentItem() { Name = "text", Value = "Featured Items of Group " + group.Id });
items.Add(new HttpContentItem() { Name = "type", Value = "Featured Items" });
items.Add(new HttpContentItem() { Name = "item", Value = "GroupFeaturedItems_" + group.Id });
items.Add(new HttpContentItem() { Name = "overwrite", Value = "true" });
items.Add(new HttpContentItem() { Name = "f", Value = "json" });
//store the Featured Items item on AGOL
string url = _agol.Url + "content/users/" + _agol.User.Current.Username + "/addItem?f=json&token=" + _agol.User.Token;
WebUtil.MultiPartPostAsync(url, items, ApplicationUtility.Dispatcher, (sender, e) =>
{
ContentItem item = WebUtil.ReadObject<ContentItem>(e.Result);
//get the actual ContentItem
if (item.Id != null)
_agol.Content.GetItem(item.Id, (object sender2, ContentItemEventArgs e2) =>
{
if (e2.Error != null)
{
if (callback != null)
callback(null, new ContentItemEventArgs() { Error = e2.Error });
return;
}
//set the item's id into the group's featuredItemsId property
Update(group.Id, "featuredItemsId", e2.Item.Id, (object sender3, RequestEventArgs e3) =>
{
if (e3.Error != null)
{
if (callback != null)
callback(null, new ContentItemEventArgs() { Error = e3.Error });
return;
}
//group has been updated successfully
//now share the Featured Items item to the group and as public or non public depending if the
//group is public or non public
string[] groups = { group.Id };
_agol.Content.ShareItem(e2.Item, group.IsPublic, groups, (object sender4, RequestEventArgs e4) =>
{
if (callback != null)
callback(null, new ContentItemEventArgs() { Error = e4.Error, Item = e2.Item });
});
});
});
});
}
private void populateGroups(ObservableCollection<BindingWrapper<Group>> wrappers, Group[] groups)
{
if (groups != null && groups.Length > 0)
{
foreach (Group group in groups)
{
BindingWrapper<Group> wrapper = new BindingWrapper<Group>();
wrapper.Content = group;
wrapper.Tag = IsUserOwnerOfGroup(group) ? Visibility.Visible : Visibility.Collapsed;
wrappers.Add(wrapper);
}
MyGroupsListBox.ItemsSource = wrappers;
MyGroupsListBox.Visibility = Visibility.Visible;
SearchResultsTextBlock.Text = string.Format(ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.MyGroupControlGroups, groups.Length);
}
else
SearchResultsTextBlock.Text = ESRI.ArcGIS.Mapping.Controls.ArcGISOnline.Resources.Strings.MyGroupControlZeroGroups;
}