Add a graphic template for emails and preview emails in local

Gemfile

@@ -31,6 +31,9 @@ group :development do
   gem 'better_errors'
   gem 'binding_of_caller'
 
+  # Preview emails
+  gem 'letter_opener_web'
+
   if respond_to?(:install_if)
     # Install only for ruby >=2.2
     install_if lambda { Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.2') } do
@@ -167,6 +170,9 @@ gem 'nokogiri'
 gem 'addressable'
 gem 'icalendar'
 
+# Format emails, nokogiri is required for premailer
+gem 'premailer-rails'
+
 gem 'chronic_duration'
 
 group :production do

Gemfile.lock

@@ -217,6 +217,8 @@ GEM
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     crass (1.0.2)
+    css_parser (1.5.0)
+      addressable
     daemons (1.2.4)
     debug_inspector (0.0.3)
     delayed_job (4.1.2)
@@ -302,6 +304,7 @@ GEM
     hashie (3.5.5)
     highline (1.7.8)
     html_validation (1.1.3)
+    htmlentities (4.3.4)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
     http_accept_language (2.1.0)
@@ -341,6 +344,8 @@ GEM
     jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
     json (1.8.6)
+    launchy (2.4.3)
+      addressable (~> 2.3)
     leaflet-rails (1.0.3)
       rails (>= 4.2.0)
     less (2.6.0)
@@ -350,6 +355,12 @@ GEM
       less (~> 2.6.0)
       sprockets (> 2, < 4)
       tilt
+    letter_opener (1.4.1)
+      launchy (~> 2.2)
+    letter_opener_web (1.3.1)
+      actionmailer (>= 3.2)
+      letter_opener (~> 1.0)
+      railties (>= 3.2)
     libnotify (0.9.3)
       ffi (>= 1.0.11)
     libv8 (3.16.14.19)
@@ -406,6 +417,13 @@ GEM
     polyglot (0.3.5)
     polylines (0.3.0)
     powerpack (0.1.1)
+    premailer (1.10.4)
+      addressable
+      css_parser (>= 1.4.10)
+      htmlentities (>= 4.0.0)
+    premailer-rails (1.9.7)
+      actionmailer (>= 3, < 6)
+      premailer (~> 1.7, >= 1.7.9)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -685,6 +703,7 @@ DEPENDENCIES
   leaflet-rails (> 1.0.2)
   leaflet-responsive-popup-rails!
   leaflet_numbered_markers-rails!
+  letter_opener_web
   libnotify
   lograge
   macaddr
@@ -700,6 +719,7 @@ DEPENDENCIES
   pg
   pnotify-rails!
   polylines
+  premailer-rails
   pry-rails
   rack-cors
   rails (~> 4.2)
@@ -738,4 +758,4 @@ DEPENDENCIES
   webmock
 
 BUNDLED WITH
-   1.15.1
+   1.15.3

app/mailers/user_mailer.rb

@@ -1,7 +1,15 @@
 class UserMailer < ApplicationMailer
   def welcome_message(user, locale)
     I18n.with_locale(locale) do
-      mail to: user.email, subject: t("user_mailer.welcome.title", s: user.customer.reseller.name) do |format|
+      @name = user.customer.reseller.name
+
+      @title = t('user_mailer.welcome.title')
+      @confirmation_link = user.customer.reseller.url_protocol + "://" + user.customer.reseller.host + password_user_path(user, token: user.confirmation_token)
+      @home_link = user.customer.reseller.url_protocol + "://" + user.customer.reseller.host
+      @contact_link = (user.customer.reseller.contact_url && user.customer.reseller.contact_url.gsub('{LG}', I18n.locale.to_s))
+      @subscription_duration = user.customer.end_subscription && (user.customer.end_subscription - Date.today).to_i > 1 ? (user.customer.end_subscription - Date.today).to_i : 15
+
+      mail to: user.email, subject: t('user_mailer.welcome.subject', name: @name) do |format|
         format.html { render 'user_mailer/welcome', locals: { user: user } }
       end
     end

app/models/user.rb

@@ -40,11 +40,6 @@ class User < ApplicationRecord
 
   after_create :send_welcome_email, if: ->(user) { user.send_email.to_i == 1 }
 
-  def send_welcome_email
-    Mapotempo::Application.config.delayed_job_use ? UserMailer.delay.welcome_message(self, I18n.locale) : UserMailer.welcome_message(self, I18n.locale).deliver_now
-    self.update! confirmation_sent_at: Time.now
-  end
-
   include RefSanitizer
 
   include Confirmable
@@ -93,6 +88,11 @@ def api_key_random
     self.api_key = SecureRandom.hex
   end
 
+  def send_welcome_email
+    Mapotempo::Application.config.delayed_job_use ? UserMailer.delay.welcome_message(self, I18n.locale) : UserMailer.welcome_message(self, I18n.locale).deliver_now
+    self.update! confirmation_sent_at: Time.now
+  end
+
   private
 
   def set_default_time_zone