New add user to group snippet

Author: Jim Crowley

Microsoft-Graph-Snippets-SDK/Assets/Resources.resw

@@ -117,6 +117,9 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <data name="AddMember" xml:space="preserve">
+    <value>Add member</value>
+  </data>
   <data name="ClearSelected" xml:space="preserve">
     <value>clear selection</value>
   </data>

Microsoft-Graph-Snippets-SDK/Groups/GroupSnippets.cs

@@ -221,6 +221,31 @@ public static async Task<bool> DeleteGroupAsync(string groupId)
 
         }
 
+        public static async Task<bool> AddUserToGroup(string userId, string groupId)
+        {
+            bool userAdded = false;
+            GraphServiceClient graphClient = AuthenticationHelper.GetAuthenticatedClient();
+
+            try
+            {
+                User userToAdd = new User { Id = userId };
+
+                //The underlying REST call returns a 204 (no content), so we can't retrieve the updated group
+                //with this call.
+                await graphClient.Groups[groupId].Members.References.Request().AddAsync(userToAdd);
+                Debug.WriteLine("Added user " + userId + " to the group: " + groupId);
+                userAdded = true;
+
+            }
+
+            catch (ServiceException e)
+            {
+                Debug.WriteLine("We could not add a user to the group: " + e.Error.Message);
+                userAdded = false;
+            }
+            return userAdded;
+        }
+
     }
 }
 

Microsoft-Graph-Snippets-SDK/Groups/GroupStories.cs

@@ -100,6 +100,15 @@ public static async Task<bool> TryDeleteGroupAsync()
             return await GroupSnippets.DeleteGroupAsync(createdGroup);
         }
 
+        public static async Task<bool> TryAddUserToGroup()
+        {
+            //Create a group
+            string createdGroup = await GroupSnippets.CreateGroupAsync(STORY_DATA_IDENTIFIER);
+            //Create a user
+            string createdUser = await UserSnippets.CreateUserAsync(STORY_DATA_IDENTIFIER);
+            //Add the user to the group
+            return await GroupSnippets.AddUserToGroup(createdUser, createdGroup);
+        }
     }
 }
 

Microsoft-Graph-Snippets-SDK/MainPage.xaml.cs

@@ -106,6 +106,7 @@ private void CreateStoryList()
             StoryCollection.Add(new StoryDefinition() { GroupName = groupsGroupName, Title = ResourceLoader.GetForCurrentView().GetString("CreateGroup"), ScopeGroup = ScopeGroupWorkAdmin, RunStoryAsync = GroupStories.TryCreateGroupAsync });
             StoryCollection.Add(new StoryDefinition() { GroupName = groupsGroupName, Title = ResourceLoader.GetForCurrentView().GetString("UpdateGroup"), ScopeGroup = ScopeGroupWorkAdmin, RunStoryAsync = GroupStories.TryUpdateGroupAsync });
             StoryCollection.Add(new StoryDefinition() { GroupName = groupsGroupName, Title = ResourceLoader.GetForCurrentView().GetString("DeleteGroup"), ScopeGroup = ScopeGroupWorkAdmin, RunStoryAsync = GroupStories.TryDeleteGroupAsync });
+            StoryCollection.Add(new StoryDefinition() { GroupName = groupsGroupName, Title = ResourceLoader.GetForCurrentView().GetString("AddMember"), ScopeGroup = ScopeGroupWorkAdmin, RunStoryAsync = GroupStories.TryAddUserToGroup });
 
 
             var result = from story in StoryCollection group story by story.ScopeGroup into api orderby api.Key select api;

Microsoft-Graph-Snippets-SDK/Users/UserSnippets.cs

@@ -81,7 +81,7 @@ public static async Task<IGraphServiceUsersCollectionPage> GetUsersAsync()
 
         public static async Task<string> CreateUserAsync(string userName)
         {
-            string createdUserName = null;
+            string createdUserId = null;
 
 
 
@@ -107,8 +107,8 @@ public static async Task<string> CreateUserAsync(string userName)
 
                 });
 
-                createdUserName = user.DisplayName;
-                Debug.WriteLine("Created user: " + createdUserName);
+                createdUserId = user.Id;
+                Debug.WriteLine("Created user: " + createdUserId);
 
             }
 
@@ -118,7 +118,7 @@ public static async Task<string> CreateUserAsync(string userName)
                 return null;
             }
 
-            return createdUserName;
+            return createdUserId;
 
         }