Correctly render invite members without user.

app/helpers/groups_helper.rb

 module GroupsHelper
-  def remove_user_from_group_message(group, user)
-    "Are you sure you want to remove \"#{user.name}\" from \"#{group.name}\"?"
+  def remove_user_from_group_message(group, member)
+    if member.user
+      "Are you sure you want to remove \"#{member.user.name}\" from \"#{group.name}\"?"
+    else
+      "Are you sure you want to cancel invitation for \"#{member.invite_email}\" to join \"#{group.name}\"?"
+    end
   end
 
   def leave_group_message(group)

app/helpers/projects_helper.rb

 module ProjectsHelper
-  def remove_from_project_team_message(project, user)
-    "You are going to remove #{user.name} from #{project.name} project team. Are you sure?"
+  def remove_from_project_team_message(project, member)
+    if member.user
+      "You are going to remove #{member.user.name} from #{project.name} project team. Are you sure?"
+    else
+      "You are going to cancel invitation for #{member.invite_email} to join #{project.name} project team. Are you sure?"
+    end
   end
 
   def link_to_project(project)

app/views/admin/groups/show.html.haml

@@ -74,13 +74,18 @@
       %ul.well-list.group-users-list
         - @members.each do |member|
           - user = member.user
-          %li{class: dom_class(member), id: dom_id(user)}
+          %li{class: dom_class(member), id: (dom_id(user) if user)}
             .list-item-name
-              %strong
-                = link_to user.name, admin_user_path(user)
+              - if user
+                %strong
+                  = link_to user.name, admin_user_path(user)
+              - else
+                %strong
+                  = member.invite_email
+                (invited)
             %span.pull-right.light
               = member.human_access
-              = link_to group_group_member_path(@group, member), data: { confirm: remove_user_from_group_message(@group, user) }, method: :delete, remote: true, class: "btn-xs btn btn-remove", title: 'Remove user from group' do
+              = link_to group_group_member_path(@group, member), data: { confirm: remove_user_from_group_message(@group, member) }, method: :delete, remote: true, class: "btn-xs btn btn-remove", title: 'Remove user from group' do
                 %i.fa.fa-minus.fa-inverse
       .panel-footer
         = paginate @members, param_name: 'members_page', theme: 'gitlab'

app/views/admin/projects/show.html.haml

@@ -124,14 +124,19 @@
           - user = project_member.user
           %li.project_member
             .list-item-name
-              %strong
-                = link_to user.name, admin_user_path(user)
+              - if user
+                %strong
+                  = link_to user.name, admin_user_path(user)
+              - else
+                %strong
+                  = project_member.invite_email
+                (invited)
             .pull-right
               - if project_member.owner?
                 %span.light Owner
               - else
                 %span.light= project_member.human_access
-                = link_to namespace_project_project_member_path(@project.namespace, @project, project_member), data: { confirm: remove_from_project_team_message(@project, user)}, method: :delete, remote: true, class: "btn btn-sm btn-remove" do
+                = link_to namespace_project_project_member_path(@project.namespace, @project, project_member), data: { confirm: remove_from_project_team_message(@project, project_member)}, method: :delete, remote: true, class: "btn btn-sm btn-remove" do
                   %i.fa.fa-times
       .panel-footer
         = paginate @project_members, param_name: 'project_members_page', theme: 'gitlab'

app/views/admin/users/show.html.haml

@@ -182,7 +182,7 @@
               .pull-right
                 %span.light= group_member.human_access
                 - unless group_member.owner?
-                  = link_to group_group_member_path(group, group_member), data: { confirm: remove_user_from_group_message(group, @user) }, method: :delete, remote: true, class: "btn-xs btn btn-remove", title: 'Remove user from group' do
+                  = link_to group_group_member_path(group, group_member), data: { confirm: remove_user_from_group_message(group, group_member) }, method: :delete, remote: true, class: "btn-xs btn btn-remove", title: 'Remove user from group' do
                     %i.fa.fa-times.fa-inverse
     - else
       .nothing-here-block This user has no groups.
@@ -221,7 +221,7 @@
                       %span.light= member.human_access
 
                       - if member.respond_to? :project
-                        = link_to namespace_project_project_member_path(project.namespace, project, @user), data: { confirm: remove_from_project_team_message(project, @user) }, remote: true, method: :delete, class: "btn-xs btn btn-remove", title: 'Remove user from project' do
+                        = link_to namespace_project_project_member_path(project.namespace, project, member), data: { confirm: remove_from_project_team_message(project, member) }, remote: true, method: :delete, class: "btn-xs btn btn-remove", title: 'Remove user from project' do
                           %i.fa.fa-times
   #ssh-keys.tab-pane
     = render 'profiles/keys/key_table', admin: true

app/views/groups/group_members/_group_member.html.haml

 - user = member.user
-- return unless user
+- return unless user || member.invite?
 - show_roles = true if show_roles.nil?
 
 %li{class: "#{dom_class(member)} js-toggle-container", id: dom_id(member)}
   %span{class: ("list-item-name" if show_controls)}
-    = image_tag avatar_icon(user.email, 16), class: "avatar s16", alt: ''
-    %strong= user.name
-    %span.cgray= user.username
-    - if user == current_user
-      %span.label.label-success It's you
-    - if user.blocked?
-      %label.label.label-danger
-        %strong Blocked
+    - if member.user
+      = image_tag avatar_icon(user.email, 16), class: "avatar s16", alt: ''
+      %strong= user.name
+      %span.cgray= user.username
+      - if user == current_user
+        %span.label.label-success It's you
+      - if user.blocked?
+        %label.label.label-danger
+          %strong Blocked
+    - else
+      = image_tag avatar_icon(member.invite_email, 16), class: "avatar s16", alt: ''
+      %strong
+        = member.invite_email
+      %span.cgray
+        invited
+        - if member.created_by
+          by
+          = link_to member.created_by.name, user_path(member.created_by)
+        = time_ago_with_tooltip(member.created_at)
 
   - if show_roles
     %span.pull-right
@@ -27,7 +38,7 @@
             = link_to leave_group_group_members_path(@group), data: { confirm: leave_group_message(@group.name)}, method: :delete, class: "btn-xs btn btn-remove", title: 'Remove user from group' do
               %i.fa.fa-minus.fa-inverse
           - else
-            = link_to group_group_member_path(@group, member), data: { confirm: remove_user_from_group_message(@group, user) }, method: :delete, remote: true, class: "btn-xs btn btn-remove", title: 'Remove user from group' do
+            = link_to group_group_member_path(@group, member), data: { confirm: remove_user_from_group_message(@group, member) }, method: :delete, remote: true, class: "btn-xs btn btn-remove", title: 'Remove user from group' do
               %i.fa.fa-minus.fa-inverse
 
     .edit-member.hide.js-toggle-content

app/views/projects/project_members/_project_member.html.haml

 - user = member.user
-- return unless user
+- return unless user || member.invite?
 
 %li{class: "#{dom_class(member)} js-toggle-container project_member_row access-#{member.human_access.downcase}", id: dom_id(member)}
   %span.list-item-name
-    = image_tag avatar_icon(user.email, 16), class: "avatar s16", alt: ''
-    %strong= user.name
-    %span.cgray= user.username
-    - if user == current_user
-      %span.label.label-success It's you
-    - if user.blocked?
-      %label.label.label-danger
-        %strong Blocked
+    - if member.user
+      = image_tag avatar_icon(user.email, 16), class: "avatar s16", alt: ''
+      %strong
+        = link_to user.name, user_path(user)
+      %span.cgray= user.username
+      - if user == current_user
+        %span.label.label-success It's you
+      - if user.blocked?
+        %label.label.label-danger
+          %strong Blocked
+    - else
+      = image_tag avatar_icon(member.invite_email, 16), class: "avatar s16", alt: ''
+      %strong
+        = member.invite_email
+      %span.cgray
+        invited
+        - if member.created_by
+          by
+          = link_to member.created_by.name, user_path(member.created_by)
+        = time_ago_with_tooltip(member.created_at)
 
   - if current_user_can_admin_project
     - unless @project.personal? && user == current_user
@@ -25,7 +37,7 @@
           = link_to leave_namespace_project_project_members_path(@project.namespace, @project), data: { confirm: "Leave project?"}, method: :delete, class: "btn-xs btn btn-remove", title: 'Leave project' do
             %i.fa.fa-minus.fa-inverse
         - else
-          = link_to namespace_project_project_member_path(@project.namespace, @project, member), data: { confirm: remove_from_project_team_message(@project, user) }, method: :delete, remote: true, class: "btn-xs btn btn-remove", title: 'Remove user from team' do
+          = link_to namespace_project_project_member_path(@project.namespace, @project, member), data: { confirm: remove_from_project_team_message(@project, member) }, method: :delete, remote: true, class: "btn-xs btn btn-remove", title: 'Remove user from team' do
             %i.fa.fa-minus.fa-inverse
 
     .edit-member.hide.js-toggle-content