Mandrill

gistfile1.rb

  def perform(email_job_id, recipient_ids)
    job = EmailJob.find(email_job_id)
    recipients = Person.where("email IS NOT NULL and email <> ''").where(id: recipient_ids)
    to = []
    substitues = []
    sub_fields = ["title", "first_name", "last_name", "email", "telephone_number", "website"]
    recipients.each do |r|
      recipient = {}
      recipient["_rcpt"] = "[#{r.full_name}](mailto:#{r.email})"
      sub_fields.each{|sf| recipient[sf.upcase] = r.send(sf) }
      substitues << recipient
      to << r.email
    end
    args = { email_job_id: email_job_id, machine: job.machine_id, name: job.name, sidekiq_id: bid }
    EmailCampaignMailer.send_mandrill(to, substitues, job.subject, job.body_html, job.body_text, args).deliver
  end

class EmailCampaignMailer < ActionMailer::Base
  def send_mandrill(to, substitues, subject, body_html, body_text, unique_args={})
    headers "X-MC-Tags" => self.class.name
    headers "X-MC-Metadata" => { environment: Rails.env }.merge(unique_args)
    headers "X-MC-Track" => "opens, clicks_htmlonly"

    substitues.each do |recipient|
      headers "X-MC-MergeVars" => recipient
    end

    mail :from => "jakcharlton@gmail.com",
         :to => to.join(','),
         :subject => subject,
         body: body_html,
         content_type: "text/html"
  end

end