add sudo functionality

app/controllers/admin/users_controller.rb

@@ -9,4 +9,10 @@ class Admin::UsersController < Admin::BaseController
 
     @users = @users.page(params[:page]).per(@per_page)
   end
+
+  def sudo
+    @user = User.find(params[:id])
+    login @user
+    redirect_to root_path, notice: I18n.t('admin.users.controller.sudo_done', user: @user.name)
+  end
 end

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

@@ -35,5 +35,7 @@
 %hr/
 %p
   = link_to t('ui.edit'), edit_admin_user_path(@user), class: 'btn'
-  = link_to t('ui.delete'), [:admin, @user], :data => {:confirm => t('.confirm', user: @user.first_name)},
-    :method => :delete, class: 'btn btn-danger'
+  = link_to t('ui.delete'), [:admin, @user], method: :delete, class: 'btn btn-danger',
+      data: {confirm: t('.confirm_delete', user: @user.first_name)}
+  = link_to t('.sudo'), sudo_admin_user_path(@user), method: :post, class: 'btn',
+      data: {confirm: t('.confirm_sudo', user: @user.first_name)}

config/locales/en.yml

@@ -267,6 +267,8 @@ en:
         title: Ordergroup %{name}
     search_placeholder: name ..
     users:
+      controller:
+        sudo_done: You are now logged in as %{user}. Be careful, and do not forget to log out when done!
       edit:
         title: Edit user
       index:
@@ -277,12 +279,14 @@ en:
       new:
         title: Create new user
       show:
-        confirm: Do you really want to kick out %{user}?
+        confirm_delete: Do you really want to delete %{user}?
+        confirm_sudo: "If you continue, you will take on the identity of %{user}. Do not forget to log out when you're done!"
         groupabos: Group subscriptions
         member_since: Member since %{time}
         person: Person
         preference: Preferences
         send_message: Send message
+        sudo: Take on identity
     workgroups:
       destroy:
         error: 'Workgroup could not be deleted: %{error}'

config/locales/fr.yml

@@ -275,7 +275,7 @@ fr:
       new:
         title: Ajouter unE nouveLLE_eau membre
       show:
-        confirm: Veux-tu vraiment expulser %{user}?
+        confirm_delete: Veux-tu vraiment expulser %{user}?
         groupabos: Participation à des équipes
         member_since: Membre depuis %{time}
         person: Personne

config/locales/nl.yml

@@ -275,12 +275,14 @@ nl:
       new:
         title: Nieuwe gebruiker toevoegen
       show:
-        confirm: Wil je %{user} daadwerkelijk verwijderen?
+        confirm_delete: Wil je %{user} daadwerkelijk verwijderen?
+        confirm_sudo: Als je doorgaat, neem je de identiteit aan van gebruiker %{user}. Vergeet hierna niet uit te loggen!
         groupabos: Groepslidmaatschappen
         member_since: Lid sinds %{time}
         person: Persoon
         preference: Voorkeuren
         send_message: Bericht versturen
+        sudo: Inloggen als
     workgroups:
       destroy:
         error: 'Werkgroep kon niet verwijderd worden: %{error}'

config/routes.rb

@@ -172,7 +172,9 @@ Foodsoft::Application.routes.draw do
     namespace :admin do
       root :to => 'base#index'
 
-      resources :users
+      resources :users do
+        post :sudo, :on => :member
+      end
 
       resources :workgroups do
         get :memberships, :on => :member