feat: Adding default mailer endpoint

.env.sample

@@ -1,3 +1,8 @@
 GCS_CREDENTIALS_FILE=
 GCS_BUCKET=
 MQ_BETA_ENABLED=true
+
+# SMTP API
+SMTP_API_KEY=
+SMTP_API_SECRET=
+SMTP_DEFAULT_FROM=

Gemfile

@@ -44,6 +44,7 @@ gem 'react-rails'
 gem 'appsignal'
 gem 'roo'
 gem 'caxlsx'
+gem 'mailjet'
 
 group :development, :test do
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]

Gemfile.lock

@@ -291,6 +291,11 @@ GEM
       net-imap
       net-pop
       net-smtp
+    mailjet (1.8.0)
+      activesupport (>= 5.0.0)
+      faraday (~> 2.1)
+      rack (>= 1.4.0)
+      yajl-ruby
     marcel (1.0.4)
     matrix (0.4.2)
     memoist (0.16.2)
@@ -547,6 +552,7 @@ GEM
       rails (>= 3.2.16)
     xpath (3.2.0)
       nokogiri (~> 1.8)
+    yajl-ruby (1.4.3)
     zeitwerk (2.6.18)
 
 PLATFORMS
@@ -589,6 +595,7 @@ DEPENDENCIES
   image_processing
   language_list
   listen (>= 3.0.5, < 3.2)
+  mailjet
   pg (>= 0.18, < 2.0)
   pg_search (= 2.3.2)
   pry

app/controllers/tpi/sectors_controller.rb

@@ -78,6 +78,11 @@ def cp_performance_chart_data
       render json: data.chart_json
     end
 
+    def send_download_file_info_email
+      DataDownloadMailer.send_download_file_info_email(permitted_email_params).deliver_now
+      head :ok
+    end
+
     def user_download_all
       send_user_download_file(
         Company.published.select(:id).where(sector_id: @sectors.pluck(:id)),
@@ -163,5 +168,9 @@ def companies_scope(params)
         Company.published.active
       end
     end
+
+    def permitted_email_params
+      params.permit(:email, :job_title, :forename, :surname, :location, :organisation, purposes: [])
+    end
   end
 end

app/mailers/application_mailer.rb

@@ -1,4 +1,4 @@
 class ApplicationMailer < ActionMailer::Base
-  default from: '[email protected]'
+  default from: ENV['SMTP_DEFAULT_FROM']
   layout 'mailer'
 end

app/mailers/data_download_mailer.rb

@@ -0,0 +1,6 @@
+class DataDownloadMailer < ApplicationMailer
+  def send_download_file_info_email(data)
+    @data = data
+    mail(to: '[email protected]', subject: 'TPI data has been downloaded')
+  end
+end

app/views/data_download_mailer/send_download_file_info_email.html.erb

@@ -0,0 +1,15 @@
+<h1>Following user downloaded data from TPI website</h1>
+
+<p><strong>Email:</strong> <%= @data[:email] %></p>
+<p><strong>Job Title:</strong> <%= @data[:job_title] %></p>
+<p><strong>Forename:</strong> <%= @data[:forename] %></p>
+<p><strong>Surname:</strong> <%= @data[:surname] %></p>
+<p><strong>Location:</strong> <%= @data[:location] %></p>
+<p><strong>Organisation:</strong> <%= @data[:organisation] %></p>
+
+<h2>Purposes</h2>
+<ul>
+  <% Array.wrap(@data[:purposes]).each do |purpose| %>
+    <li><%= purpose %></li>
+  <% end %>
+</ul>

config/environments/development.rb

@@ -33,10 +33,8 @@
   # Store uploaded files on the local file system (see config/storage.yml for options)
   config.active_storage.service = :local
 
-  # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false
-
-  config.action_mailer.perform_caching = false
+  config.action_mailer.perform_deliveries = false
 
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log

config/environments/production.rb

@@ -62,11 +62,9 @@
   # config.active_job.queue_adapter     = :resque
   # config.active_job.queue_name_prefix = "laws_and_pathways_production"
 
-  config.action_mailer.perform_caching = false
-
-  # Ignore bad email addresses and do not raise email delivery errors.
-  # Set this to true and configure the email server for immediate delivery to raise delivery errors.
-  # config.action_mailer.raise_delivery_errors = false
+  config.action_mailer.raise_delivery_errors = true
+  config.action_mailer.delivery_method = :mailjet
+  config.action_mailer.perform_deliveries = false
 
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).

config/environments/staging.rb

@@ -65,11 +65,9 @@
   # config.active_job.queue_adapter     = :resque
   # config.active_job.queue_name_prefix = "laws_and_pathways_#{Rails.env}"
 
-  config.action_mailer.perform_caching = false
-
-  # Ignore bad email addresses and do not raise email delivery errors.
-  # Set this to true and configure the email server for immediate delivery to raise delivery errors.
-  # config.action_mailer.raise_delivery_errors = false
+  config.action_mailer.raise_delivery_errors = true
+  config.action_mailer.delivery_method = :mailjet
+  config.action_mailer.perform_deliveries = false
 
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).

config/initializers/mailjet.rb

@@ -0,0 +1,6 @@
+# kindly generated by appropriated Rails generator
+Mailjet.configure do |config|
+  config.api_key = ENV['SMTP_API_KEY']
+  config.secret_key = ENV['SMTP_API_SECRET']
+  config.default_from = ENV['SMTP_DEFAULT_FROM']
+end

config/routes.rb

@@ -24,6 +24,7 @@
           get :cp_performance_chart_data
           get :user_download_all
           get :user_download_methodology
+          post :send_download_file_info_email
         end
         member do
           get :levels_chart_data

spec/controllers/tpi/sectors_controller_spec.rb

@@ -254,4 +254,28 @@
       end
     end
   end
+
+  describe 'POST send_download_file_info_email' do
+    subject { post :send_download_file_info_email, params: data }
+    let(:data) do
+      {
+        email: '[email protected]',
+        job_title: 'job_title',
+        forename: 'forename',
+        surname: 'surname',
+        location: 'location',
+        organisation: 'organisation',
+        purposes: %w[purposes1 purposes2]
+      }
+    end
+
+    it 'returns ok status' do
+      subject
+      expect(response).to have_http_status(:ok)
+    end
+
+    it 'sends email' do
+      expect { subject }.to change { ActionMailer::Base.deliveries.count }.by(1)
+    end
+  end
 end

spec/mailers/data_download_mailer_spec.rb

@@ -0,0 +1,33 @@
+require 'rails_helper'
+
+RSpec.describe DataDownloadMailer, type: :mailer do
+  describe 'send_download_file_info_email' do
+    let(:data) {
+      {
+        email: '[email protected]',
+        job_title: 'job_title',
+        forename: 'forename',
+        surname: 'surname',
+        location: 'location',
+        organisation: 'organisation',
+        purposes: ['purpose1', 'purpose2']
+      }
+    }
+    let(:mail) { DataDownloadMailer.send_download_file_info_email data }
+
+    it 'renders the headers' do
+      expect(mail.subject).to eq('TPI data has been downloaded')
+      expect(mail.to).to eq(['[email protected]'])
+      expect(mail.from).to eq([ENV['SMTP_DEFAULT_FROM']].reject(&:blank?))
+
+      expect(mail.body.encoded).to include('[email protected]')
+      expect(mail.body.encoded).to include('job_title')
+      expect(mail.body.encoded).to include('forename')
+      expect(mail.body.encoded).to include('surname')
+      expect(mail.body.encoded).to include('location')
+      expect(mail.body.encoded).to include('organisation')
+      expect(mail.body.encoded).to include('purpose1')
+      expect(mail.body.encoded).to include('purpose2')
+    end
+  end
+end