adds email digest for proposal notifications

app/mailers/mailer.rb

@@ -59,6 +59,14 @@ class Mailer < ApplicationMailer
     end
   end
 
+  def proposal_notification_digest(user)
+    @notifications = user.notifications.where(notifiable_type: "ProposalNotification")
+
+    with_user(user) do
+      mail(to: user.email, subject: "Email digest")
+    end
+  end
+
   private
 
   def with_user(user, &block)

app/models/user.rb

@@ -51,6 +51,7 @@ class User < ActiveRecord::Base
   scope :officials,      -> { where("official_level > 0") }
   scope :for_render,     -> { includes(:organization) }
   scope :by_document,    -> (document_type, document_number) { where(document_type: document_type, document_number: document_number) }
+  scope :email_digest,   -> { where(email_digest: true) }
 
   before_validation :clean_document_number
 

app/views/mailer/proposal_notification_digest.html.erb

@@ -11,31 +11,33 @@
     </tbody>
   </table>
 
-  <!-- EACH PROPOSAL NOTIFICATION DO -->
+  <%= @notifications.each do |notification| %>
     <table style="width: 100%; border-top: 1px solid #DEE0E3; padding-top: 12px;">
       <tbody>
         <tr>
           <td style="padding-bottom: 20px; padding-left: 10px;">
             <p style="font-family: 'Open Sans','Helvetica Neue',arial,sans-serif;font-size: 20px;font-weight: bold;line-height: 24px; margin: 0;">
-            <%= @notification.title %>
+              <%= link_to notification.notifiable.title, notification_url(notification) %>
             </p>
             <p style="font-family: 'Open Sans','Helvetica Neue',arial,sans-serif;font-size: 14px;font-weight: normal;line-height: 24px; margin-top: 0; color: #cccccc;">
-            <%= @notification.proposal.title %>&nbsp;&bull;&nbsp;<%= @notification.proposal.created_at.to_date %>&nbsp;&bull;&nbsp;<%= @notification.proposal.author.name %>
+              <%= notification.notifiable.proposal.title %>&nbsp;&bull;&nbsp;
+              <%= notification.notifiable.proposal.created_at.to_date %>&nbsp;&bull;&nbsp;
+              <%= notification.notifiable.proposal.author.name %>
             </p>
             <p style="font-family: 'Open Sans','Helvetica Neue',arial,sans-serif;font-size: 14px;font-weight: normal;line-height: 24px;">
-            <%= @notification.body %>
+              <%= notification.notifiable.body %>
             </p>
 
             <table style="width: 100%;">
               <tbody>
                 <tr>
                   <td style="padding-bottom: 12px;">
-                  <%= link_to "#comments", style: "font-family: 'Open Sans','Helvetica Neue',arial,sans-serif; background: #f7f5f2; border-radius: 6px; color: #3d3d66!important; font-weight: bold; margin: 0px; padding: 10px 15px; text-align: center; text-decoration: none; min-width: 160px; display: inline-block;" do %>
+                    <%= link_to proposal_url(notification.notifiable.proposal, anchor: "comments"), style: "font-family: 'Open Sans','Helvetica Neue',arial,sans-serif; background: #f7f5f2; border-radius: 6px; color: #3d3d66!important; font-weight: bold; margin: 0px; padding: 10px 15px; text-align: center; text-decoration: none; min-width: 160px; display: inline-block;" do %>
                       <%= image_tag('icon_mailer_share.png',  style: "border: 0; display: inline-block; width: 100%; max-width: 16px", alt: "") %>
                       <%= t('mailers.proposal_notification_digest.share') %>
                     <% end %>
 
-                  <%= link_to "#social-share", style: "font-family: 'Open Sans','Helvetica Neue',arial,sans-serif; background: #f7f5f2; border-radius: 6px; color: #3d3d66!important; font-weight: bold; margin: 0px; padding: 10px 15px; text-align: center; text-decoration: none; min-width: 160px; display: inline-block; margin-left: 12px;" do %>
+                    <%= link_to proposal_url(notification.notifiable.proposal, anchor: "social-share"), style: "font-family: 'Open Sans','Helvetica Neue',arial,sans-serif; background: #f7f5f2; border-radius: 6px; color: #3d3d66!important; font-weight: bold; margin: 0px; padding: 10px 15px; text-align: center; text-decoration: none; min-width: 160px; display: inline-block; margin-left: 12px;" do %>
                       <%= image_tag('icon_mailer_comment.png',  style: "border: 0; display: inline-block; width: 100%; max-width: 16px; vertical-align: middle;", alt: "") %>
                       <%= t('mailers.proposal_notification_digest.comment') %>
                     <% end %>
@@ -47,5 +49,5 @@
         </tr>
       </tbody>
     </table>
-  <!-- END -->
+  <% end %>
 </td>

db/migrate/20160613150659_add_email_digest_to_users.rb

@@ -0,0 +1,5 @@
+class AddEmailDigestToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :email_digest, :boolean, default: true
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160608174104) do
+ActiveRecord::Schema.define(version: 20160613150659) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -460,6 +460,7 @@ ActiveRecord::Schema.define(version: 20160608174104) do
     t.string   "gender",                         limit: 10
     t.datetime "date_of_birth"
     t.boolean  "email_on_proposal_notification",            default: true
+    t.boolean  "email_digest",                              default: true
   end
 
   add_index "users", ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true, using: :btree

lib/email_digest.rb

@@ -0,0 +1,14 @@
+class EmailDigest
+
+  def initialize
+  end
+
+  def create
+    User.email_digest.each do |user|
+      if user.notifications.where(notifiable_type: "ProposalNotification").any?
+        Mailer.proposal_notification_digest(user).deliver_later
+      end
+    end
+  end
+
+end

lib/tasks/emails.rake

@@ -0,0 +1,9 @@
+namespace :emails do
+
+  desc "Sends email digest of proposal notifications to each user"
+  task digest: :environment do
+    email_digest = EmailDigest.new
+    email_digest.create
+  end
+
+end

spec/factories.rb

@@ -136,7 +136,7 @@ FactoryGirl.define do
 
   factory :proposal do
     sequence(:title)     { |n| "Proposal #{n} title" }
-    summary              'In summary, what we want is...'
+    sequence(:summary)   { |n| "In summary, what we want is... #{n}" }
     description          'Proposal description'
     question             'Proposal question'
     external_url         'http://external_documention.es'

spec/features/direct_messages_spec.rb

@@ -2,7 +2,7 @@ require 'rails_helper'
 
 feature 'Direct messages' do
 
-  scenario "Create", :focus do
+  scenario "Create" do
     sender   = create(:user, :level_two)
     receiver = create(:user, :level_two)
 

spec/features/emails_spec.rb

@@ -204,4 +204,51 @@ feature 'Emails' do
     end
   end
 
+  context "Proposal notification digest" do
+
+    scenario "notifications for proposals that I have supported" do
+      user = create(:user, email_digest: true)
+
+      proposal1 = create(:proposal)
+      proposal2 = create(:proposal)
+      proposal3 = create(:proposal)
+
+      create(:vote, votable: proposal1, voter: user)
+      create(:vote, votable: proposal2, voter: user)
+
+      reset_mailer
+
+      notification1 = create_proposal_notification(proposal1)
+      notification2 = create_proposal_notification(proposal2)
+      notification3 = create_proposal_notification(proposal3)
+
+      email_digest = EmailDigest.new
+      email_digest.create
+
+      email = open_last_email
+      expect(email).to have_subject("Email digest")
+      expect(email).to deliver_to(user.email)
+
+      expect(email).to have_body_text(proposal1.title)
+      expect(email).to have_body_text(notification1.notifiable.title)
+      expect(email).to have_body_text(notification1.notifiable.body)
+      expect(email).to have_body_text(proposal1.author.name)
+
+      expect(email).to have_body_text(/#{notification_path(notification1)}/)
+      expect(email).to have_body_text(/#{proposal_path(proposal1, anchor: 'comments')}/)
+      expect(email).to have_body_text(/#{proposal_path(proposal1, anchor: 'social-share')}/)
+
+      expect(email).to have_body_text(proposal2.title)
+      expect(email).to have_body_text(notification2.notifiable.title)
+      expect(email).to have_body_text(notification2.notifiable.body)
+      expect(email).to have_body_text(/#{notification_path(notification2)}/)
+      expect(email).to have_body_text(/#{proposal_path(proposal2, anchor: 'comments')}/)
+      expect(email).to have_body_text(/#{proposal_path(proposal2, anchor: 'social-share')}/)
+      expect(email).to have_body_text(proposal2.author.name)
+
+      expect(email).to_not have_body_text(proposal3.title)
+    end
+
+  end
+
 end

spec/features/proposal_notifications_spec.rb

@@ -51,6 +51,53 @@ feature 'Proposal Notifications' do
     expect(page).to have_link("the proposal's page", href: proposal_path(proposal))
   end
 
+  context "Receivers" do
+
+    scenario "Only send a digest to users that have the option set in their profile" do
+      user1 = create(:user, email_digest: true)
+      user2 = create(:user, email_digest: true)
+      user3 = create(:user, email_digest: false)
+
+      proposal = create(:proposal)
+
+      [user1, user2, user3].each do |user|
+        create(:vote, votable: proposal, voter: user)
+      end
+
+      create_proposal_notification(proposal)
+
+      reset_mailer
+      email_digest = EmailDigest.new
+      email_digest.create
+
+      expect(unread_emails_for(user1.email).size).to   eql parse_email_count(1)
+      expect(unread_emails_for(user2.email).size).to   eql parse_email_count(1)
+      expect(unread_emails_for(user3.email).size).to   eql parse_email_count(0)
+    end
+
+    scenario "Only send a digest to users that have voted for a proposal" do
+      user1 = create(:user, email_digest: true)
+      user2 = create(:user, email_digest: true)
+      user3 = create(:user, email_digest: true)
+
+      proposal = create(:proposal)
+
+      [user1, user2].each do |user|
+        create(:vote, votable: proposal, voter: user)
+      end
+
+      create_proposal_notification(proposal)
+
+      reset_mailer
+      email_digest = EmailDigest.new
+      email_digest.create
+
+      expect(unread_emails_for(user1.email).size).to   eql parse_email_count(1)
+      expect(unread_emails_for(user2.email).size).to   eql parse_email_count(1)
+      expect(unread_emails_for(user3.email).size).to   eql parse_email_count(0)
+    end
+
+  end
   context "Permissions" do
 
     scenario "Link to send the message" do

spec/lib/email_digests_spec.rb

@@ -0,0 +1,9 @@
+require 'rails_helper'
+
+describe EmailDigest do
+
+  describe "create" do
+    pending "only send unread notifications"
+  end
+
+end

spec/support/common_actions.rb

@@ -196,4 +196,22 @@ module CommonActions
     tag_cloud.tags.map(&:name)
   end
 
+  def create_proposal_notification(proposal)
+    login_as(proposal.author)
+    visit root_path
+
+    click_link "My activity"
+
+    within("#proposal_#{proposal.id}") do
+      click_link "Send message"
+    end
+
+    fill_in 'proposal_notification_title', with: "Thank you for supporting my proposal #{proposal.title}"
+    fill_in 'proposal_notification_body', with: "Please share it with others so we can make it happen! #{proposal.summary}"
+    click_button "Send message"
+
+    expect(page).to have_content "Your message has been sent correctly."
+    Notification.last
+  end
+
 end