Move group leave action from dashboard/groups to groups/group_members.

app/controllers/dashboard/groups_controller.rb

 class Dashboard::GroupsController < ApplicationController
   def index
-    @user_groups = current_user.group_members.page(params[:page]).per(PER_PAGE)
-  end
-
-  def leave
-    @users_group = group.group_members.where(user_id: current_user.id).first
-    if can?(current_user, :destroy, @users_group)
-      @users_group.destroy
-      redirect_to(dashboard_groups_path, info: "You left #{group.name} group.")
-    else
-      return render_403
-    end
-  end
-
-  private
-
-  def group
-    @group ||= Group.find_by(path: params[:id])
+    @group_members = current_user.group_members.page(params[:page]).per(PER_PAGE)
   end
 end

app/controllers/groups/group_members_controller.rb

@@ -46,6 +46,17 @@ class Groups::GroupMembersController < Groups::ApplicationController
     end
   end
+  def leave
+    @group_member = @group.group_members.where(user_id: current_user.id).first
+    
+    if can?(current_user, :destroy_group_member, @group_member)
+      @group_member.destroy
+      redirect_to(dashboard_groups_path, info: "You left #{group.name} group.")
+    else
+      return render_403
+    end
+  end
+
   protected
   def group

app/views/dashboard/groups/index.html.haml

@@ -23,7 +23,7 @@
               Settings
           - if can?(current_user, :destroy_group_member, group_member)
-            = link_to leave_dashboard_group_path(group), data: { confirm: leave_group_message(group.name) }, method: :delete, class: "btn-sm btn btn-grouped", title: 'Remove user from group' do
+            = link_to leave_group_group_members_path(group), data: { confirm: leave_group_message(group.name) }, method: :delete, class: "btn-sm btn btn-grouped", title: 'Remove user from group' do
               %i.fa.fa-sign-out
               Leave

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

 - user = member.user
 - return unless user
 - 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"
@@ -21,8 +22,8 @@
                        title: 'Edit access level', type: 'button' do
             %i.fa.fa-pencil-square-o
         - if can?(current_user, :destroy_group_member, member)
-          - if current_user == member.user
-            = link_to leave_dashboard_group_path(@group), data: { confirm: leave_group_message(@group.name)}, method: :delete, class: "btn-xs btn btn-remove", title: 'Remove user from group' do
+          - if current_user == user
+            = 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

config/routes.rb

@@ -215,11 +215,7 @@ Gitlab::Application.routes.draw do
     scope module: :dashboard do
       resources :milestones, only: [:index, :show]
-      resources :groups, only: [:index] do
-        member do
-          delete :leave
-        end
-      end
+      resources :groups, only: [:index]
       resources :projects, only: [] do
         collection do
@@ -241,6 +237,7 @@ Gitlab::Application.routes.draw do
     scope module: :groups do
       resources :group_members, only: [:index, :create, :update, :destroy] do
+        delete :leave, on: :collection
       end
       
       resource :avatar, only: [:destroy]