Blocking user does not remove him/her from project/groups but show blocked label

CHANGELOG

@@ -34,6 +34,7 @@ v 7.9.0 (unreleased)
   - Automatically link commit ranges to compare page: sha1...sha4 or sha1..sha4 (includes sha1 in comparison)
   - Move groups page from profile to dashboard
   - Starred projects page at dashboard 
+  - Blocking user does not remove him/her from project/groups but show blocked label
 
 v 7.8.2
   - Fix service migration issue when upgrading from versions prior to 7.3

app/models/user.rb

@@ -154,24 +154,6 @@ class User < ActiveRecord::Base
   delegate :path, to: :namespace, allow_nil: true, prefix: true
 
   state_machine :state, initial: :active do
-    after_transition any => :blocked do |user, transition|
-      # Remove user from all projects and
-      user.project_members.find_each do |membership|
-        # skip owned resources
-        next if membership.project.owner == user
-
-        return false unless membership.destroy
-      end
-
-      # Remove user from all groups
-      user.group_members.find_each do |membership|
-        # skip owned resources
-        next if membership.group.last_owner?(user)
-
-        return false unless membership.destroy
-      end
-    end
-
     event :block do
       transition active: :blocked
     end
@@ -626,7 +608,7 @@ class User < ActiveRecord::Base
   def contributed_projects_ids
     Event.where(author_id: self).
       where("created_at > ?", Time.now - 1.year).
-      where("action = :pushed OR (target_type = 'MergeRequest' AND action = :created)", 
+      where("action = :pushed OR (target_type = 'MergeRequest' AND action = :created)",
         pushed: Event::PUSHED, created: Event::CREATED).
       reorder(project_id: :desc).
       select(:project_id).

app/services/notification_service.rb

@@ -268,6 +268,7 @@ class NotificationService
   # Also remove duplications and nil recipients
   def reject_muted_users(users, project = nil)
     users = users.to_a.compact.uniq
+    users = users.reject(&:blocked?)
 
     users.reject do |user|
       next user.notification.disabled? unless project

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

@@ -116,7 +116,6 @@
                 %ul
                   %li User will not be able to login
                   %li User will not be able to access git repositories
-                  %li User will be removed from joined projects and groups
                   %li Personal projects will be left
                   %li Owned groups will be left
                 %br

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

@@ -8,6 +8,9 @@
     %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 show_roles
     %span.pull-right

app/views/projects/team_members/_team_member.html.haml

@@ -12,6 +12,7 @@
   = image_tag avatar_icon(user.email, 32), class: "avatar s32"
   %p
     %strong= user.name
+    - if user.blocked?
+      %label.label.label-danger
+        %strong Blocked
   %span.cgray= user.username
-
-