Merge branch 'feature-admin-emails' into 'master'

Feature admin emails

solves issue #126

One point remains. There is no clickable link to open the email page. Where should this link be communicated?!

# User Overview
![](https://dev.gitlab.org/uploads/gitlab/gitlab-ee/638fd79165/Screen_Shot_2014-08-12_at_17.30.53.png)

# Composing an email
![](https://dev.gitlab.org/uploads/gitlab/gitlab-ee/c07f753aec/Screen_Shot_2014-08-11_at_16.28.57.png)

# Unsubscribe
![](https://dev.gitlab.org/uploads/gitlab/gitlab-ee/db15c9f8b0/Screen_Shot_2014-08-12_at_17.32.27.png)

See merge request !140

app/controllers/admin/emails_controller.rb

+class Admin::EmailsController < Admin::ApplicationController
+  def show
+  end
+
+  def create
+    AdminEmailsWorker.perform_async(params[:recipients], params[:subject], params[:body])
+    redirect_to admin_email_path, notice: 'Email sent'
+  end
+end

app/controllers/unsubscribes_controller.rb

+class UnsubscribesController < ApplicationController
+  skip_before_filter :authenticate_user!,
+                     :reject_blocked, :set_current_user_for_observers,
+                     :add_abilities
+  layout 'public_users'
+
+  def show
+    @user = get_user
+  end
+
+  def create
+    @user = get_user
+    @user.admin_unsubscribe! if @user
+    redirect_to new_user_session_path, notice: 'You have been unsubscribed'
+  end
+
+  protected
+  def get_user
+    @email = CGI.unescape(params[:email])
+    User.where(email: @email).first
+  end
+end

app/helpers/admin_email_helper.rb

+module AdminEmailHelper
+  def admin_email_grouped_recipient_options
+    options_for_select([['All GitLab users', 'all']]) +
+    grouped_options_for_select(
+      'Groups' => Group.pluck(:name, :id).map{ |name, id| [name, "group-#{id}"] },
+      'Projects' => grouped_project_list
+    )
+  end
+
+  protected
+  def grouped_project_list
+    Group.includes(:projects).flat_map do |group|
+      group.human_name
+      group.projects.map do |project|
+        ["#{group.human_name} / #{project.name}", "project-#{project.id}"]
+      end
+    end
+  end
+end
\ No newline at end of file

app/mailers/emails/admin_notification.rb

+module Emails
+  module AdminNotification
+    def send_admin_notification(user_id, subject, body)
+      email = recipient(user_id)
+      @unsubscribe_url = unsubscribe_url(email: CGI.escape(email))
+      @body = body
+      mail to: email, subject: subject
+    end
+  end
+end
\ No newline at end of file

app/mailers/notify.rb

 class Notify < ActionMailer::Base
   include ActionDispatch::Routing::PolymorphicRoutes
+  include Emails::AdminNotification
   include Emails::Issues
   include Emails::MergeRequests
   include Emails::Notes

app/models/user.rb

@@ -175,6 +175,7 @@ class User < ActiveRecord::Base
   scope :not_in_project, ->(project) { project.users.present? ? where("id not in (:ids)", ids: project.users.map(&:id) ) : all }
   scope :without_projects, -> { where('id NOT IN (SELECT DISTINCT(user_id) FROM users_projects)') }
   scope :ldap, -> { where(provider:  'ldap') }
+  scope :subscribed_for_admin_email, -> { where(admin_email_unsubscribed_at: nil) }
   scope :potential_team_members, ->(team) { team.members.any? ? active.not_in_team(team) : active  }
@@ -509,4 +510,8 @@ class User < ActiveRecord::Base
   def system_hook_service
     SystemHooksService.new
   end
+
+  def admin_unsubscribe!
+    update_column :admin_email_unsubscribed_at, Time.now
+  end
 end

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

+%h3.page-title
+  Send email notication
+%p.light
+  You can notify the app / group or a project by sending them an email notification
+
+= form_tag admin_email_path, class: 'form-horizontal', id: 'new-admin-email' do
+  .form-group
+    %label.control-label{for: :subject} Subject
+    .col-sm-10
+      = text_field_tag :subject, '', class: 'form-control', required: true
+
+  .form-group
+    %label.control-label{for: :body} Body
+    .col-sm-10
+      = text_area_tag :body, '', class: 'form-control', rows: 15, required: true
+
+  .form-group
+    %label.control-label{for: :recipients} Recipient group
+    .col-sm-10
+      = select_tag :recipients, admin_email_grouped_recipient_options, class: :select2, required: true
+  .form-actions
+    = submit_tag 'Send message', class: 'btn btn-create'

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

@@ -32,6 +32,7 @@
       .panel-heading
         Users (#{@users.total_count})
         .panel-head-actions
+          = link_to 'Send email to users', admin_email_path, class: 'btn btn-info'
           = link_to 'New User', new_admin_user_path, class: "btn btn-new"
       %ul.well-list
         - @users.each do |user|

app/views/notify/send_admin_notification.html.haml

+= simple_format @body
+
+\----
+
+%p
+  Don't want to receive updates from GitLab administrators?
+  = link_to 'Unsubscribe', @unsubscribe_url
\ No newline at end of file

app/views/notify/send_admin_notification.text.haml

+= h @body
+
+\-----
+
+Don't want to receive updates from GitLab administrators?
+== Unsubscribe here: #{@unsubscribe_url}
\ No newline at end of file

app/views/unsubscribes/show.html.haml

+%h3.page-title Unsubscribe from Admin notifications
+
+%hr
+= form_tag unsubscribe_path(@email) do
+  %p
+    Yes, I want to unsubscribe
+    %strong= @email
+    from any further admin emails.
+  .form-actions
+    = submit_tag 'Unsubscribe', class: 'btn btn-create'

app/workers/admin_emails_worker.rb

+class AdminEmailsWorker
+  include Sidekiq::Worker
+
+  def perform(recipient_id, subject, body)
+    recipient_list(recipient_id).pluck(:id).each do |user_id|
+      Notify.send_admin_notification(user_id, subject, body).deliver
+    end
+  end
+
+  private
+  def recipient_list(recipient_id)
+    case recipient_id
+    when 'all'
+      User.subscribed_for_admin_email
+    when /group-(\d+)\z/
+      Group.find($1).users.subscribed_for_admin_email
+    when /project-(\d+)\z/
+      Project.find($1).team.users.subscribed_for_admin_email
+    end
+  end
+end
\ No newline at end of file

config/routes.rb

@@ -86,6 +86,7 @@ Gitlab::Application.routes.draw do
     resources :broadcast_messages, only: [:index, :create, :destroy]
     resource :logs, only: [:show]
     resource :background_jobs, controller: 'background_jobs', only: [:show]
+    resource :email, only: [:show, :create]
     resources :projects, constraints: { id: /[a-zA-Z.\/0-9_\-]+/ }, only: [:index, :show] do
       member do
@@ -173,6 +174,8 @@ Gitlab::Application.routes.draw do
     end
   end
+  get  'unsubscribes/:email', to: 'unsubscribes#show', as: :unsubscribe
+  post 'unsubscribes/:email', to: 'unsubscribes#create'
   resources :projects, constraints: { id: /[^\/]+/ }, only: [:new, :create]
   devise_for :users, controllers: { omniauth_callbacks: :omniauth_callbacks, registrations: :registrations , passwords: :passwords, sessions: :sessions }

db/migrate/20140811083829_add_unsubscribed_at_field_to_users.rb

+class AddUnsubscribedAtFieldToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :admin_email_unsubscribed_at, :datetime
+  end
+end

features/admin/emails.feature

+@admin
+Feature: Admin email
+  Background:
+    Given I sign in as an admin
+    And there are groups with projects
+
+  Scenario: Create a new email notification
+    Given I visit admin email page
+    When I submit form with email notification info
+    Then I should see a notification email is begin sent
+    And admin emails are being sent

features/steps/admin/email.rb

+class Spinach::Features::AdminEmail < Spinach::FeatureSteps
+  include SharedAuthentication
+  include SharedPaths
+  include SharedAdmin
+
+  step 'I submit form with email notification info' do
+    ActionMailer::Base.deliveries = []
+    @email_text = "Your project has been moved."
+    @selected_group = Group.last
+    # ensure there are ppl to be emailed
+    2.times do
+      @selected_group.add_user(create(:user), Gitlab::Access::DEVELOPER)
+    end
+
+    within('form#new-admin-email') do
+      fill_in :subject, with: 'my subject'
+      fill_in :body, with: @email_text
+      select @selected_group.name, from: :recipients
+      find('.btn-create').click
+    end
+  end
+
+  step 'I should see a notification email is begin sent' do
+    expect(find('.flash-notice')).to have_content 'Email sent'
+  end
+
+  step 'admin emails are being sent' do
+    expect(ActionMailer::Base.deliveries.count).to eql @selected_group.users.count
+    mail = ActionMailer::Base.deliveries.last
+    expect(mail.text_part.body.decoded).to include @email_text
+  end
+end
\ No newline at end of file

features/steps/shared/admin.rb

@@ -8,5 +8,12 @@ module SharedAdmin
   And 'system has users' do
     2.times { create(:user) }
   end
+
+  And 'there are groups with projects' do
+    2.times do
+      group = create :group
+      create :project, group: group
+    end
+  end
 end

features/steps/shared/paths.rb

@@ -169,6 +169,9 @@ module SharedPaths
     visit admin_teams_path
   end
+  step 'I visit admin email page' do
+    visit admin_email_path
+  end
   # ----------------------------------------
   # Generic Project
   # ----------------------------------------

spec/controllers/unsubscribes_controller_spec.rb

+require 'spec_helper'
+
+describe UnsubscribesController do
+  let!(:user) { create :user, email: 'me@example.com' }
+
+  describe "show" do
+    it "responds with success" do
+      get :show, email: CGI.escape('me@example.com')
+
+      assert_response :success
+    end
+
+    it "behaves the same if email address isn't known in the system" do
+      get :show, email: CGI.escape('i@dont_exists.com')
+
+      assert_response :success
+    end
+  end
+
+  describe "create" do
+    it "unsubscribes the connected user" do
+      post :create, email: CGI.escape('me@example.com')
+
+      assert user.reload.admin_email_unsubscribed_at
+    end
+
+    # Don't tell if the email does not exists
+    it "behaves the same if email address isn't known in the system" do
+      post :create, email: CGI.escape('i@dont_exists.com')
+
+      assert_response :redirect
+    end
+  end
+end

spec/routing/admin_routing_spec.rb

@@ -119,3 +119,12 @@ describe Admin::DashboardController, "routing" do
   end
 end
+describe Admin::EmailsController, "routing" do
+  it "to #show" do
+    get("/admin/email").should route_to('admin/emails#show')
+  end
+
+  it "to #create" do
+    post("/admin/email").should route_to('admin/emails#create')
+  end
+end