Add: full SendGrid integration with plain and HTML templates

app/mailers/contact_mailer.rb

@@ -12,10 +12,12 @@ def contact_email message, name, email, subject
     to = StaticContent.load("contact", "email")
 
     mail = ::SendGridMailer.new(
-      "OddityAvenue E-Mail Robot <[email protected]>",
+      "[email protected]",
+      "OddityAvenue E-Mail Robot",
       to,
       "OddityAvenue Contact - #{@subject}",
-      @message
+      message_plain,
+      message_html
     )
     mail.send! if mail.valid?
 
@@ -24,10 +26,13 @@ def contact_email message, name, email, subject
 
   private
 
-  def message_plain
-
-  template = File.read('./app/views/contact_mailer/contact_email.txt.erb')
-  puts output = ERB.new(template).result(binding)
+  def message_html
+    template = File.read('./app/views/contact_mailer/contact_email.html.erb')
+    return ERB.new(template).result(binding)
+  end
 
+  def message_plain
+    template = File.read('./app/views/contact_mailer/contact_email.txt.erb')
+    return ERB.new(template).result(binding)
   end
 end

app/views/contact_mailer/contact_email.txt.erb

@@ -1,12 +1,12 @@
 The following message was sent from the Contact page of <%= @env %> at <%= @time %>.
 
----------------------------------------------------------------------------------------------------
+---------------------------------------------------------------------------
 From   : <%= @from_name %> | <%=@from_email %>
 Subject: <%= @subject %>
----------------------------------------------------------------------------------------------------
+---------------------------------------------------------------------------
 
 <%= @message %>
 
----------------------------------------------------------------------------------------------------
+---------------------------------------------------------------------------
 
 ~ The OddityAvenue E-Mail Robot

lib/send_grid_mailer.rb

@@ -1,11 +1,12 @@
 require 'sendgrid-ruby'
 
 class SendGridMailer
-  attr_reader :valid, :from, :to, :subject, :body,
+  attr_reader :valid, :from_name, :from_email, :to, :subject, :body_plain, :body_html,
               :response_code, :response_body, :response_headers
 
-  def initialize(from, to, subject, body)
-    @from, @to, @subject, @body = from, to, subject, body
+  def initialize(from_email, from_name, to, subject, body_plain, body_html)
+    @from_email, @from_name, @to, @subject, @body_plain, @body_html =
+      from_email, from_name, to, subject, body_plain, body_html
     validate
   end
 
@@ -15,7 +16,11 @@ def valid?
 
   def send!
     mail_obj = build_mail_obj
-    call_api(mail_obj)
+    Rails.logger.info "Sending email: #{mail_obj.pretty_inspect}"
+
+    results = call_api(mail_obj)
+    Rails.logger.error "SendGrid response:\n#{results.pretty_inspect}" unless success?
+    results
   end
 
   def success?
@@ -26,25 +31,35 @@ def success?
 
   def validate
     @valid = true
-    [ @from, @to, @subject, @body ].map do |attr|
+    [ @from_email, @to, @subject, @body_plain ].map do |attr|
       @valid = false if attr.to_s.blank?
     end
   end
 
   def build_mail_obj
-    SendGrid::Mail.new(
-      SendGrid::Email.new(email: @from),
-      @subject,
-      SendGrid::Email.new(email: @to),
-      SendGrid::Content.new(type: 'text/plain', value: @body)
-    )
+    obj         = SendGrid::Mail.new
+    obj.from    = SendGrid::Email.new(email: @from_email, name: @from_name)
+    obj.subject = @subject
+
+    personalization = SendGrid::Personalization.new
+    personalization.add_to SendGrid::Email.new(email: @to, name: @to)
+    obj.add_personalization personalization
+
+    obj.add_content SendGrid::Content.new(type: 'text/plain', value: @body_plain)
+    obj.add_content SendGrid::Content.new(type: 'text/html',  value: @body_html)
+    obj
   end
 
   def call_api(mail)
     api = SendGrid::API.new(api_key: ENV['SENDGRID_API_KEY'] || 'NO_API_KEY_SET')
     response = api.client.mail._('send').post(request_body: mail.to_json)
     @response_code, @response_headers, @response_body =
       response.status_code, response.headers, response.body
-    return success?
+    return {
+      success?: success?,
+      response_code: @response_code,
+      response_headers: @response_headers,
+      response_body: @response_body
+    }
   end
 end