discourse/lib/email_sender.rb

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#
# A helper class to send an email. It will also handle a nil message, which it considers
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# to be "do nothing". This is because some Mailers will decide not to do work for some
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# reason. For example, emailing a user too frequently. A nil to address is also considered
# "do nothing"
#
# It also adds an HTML part for the plain text body
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#
require_dependency 'email_renderer'
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class EmailSender
def initialize(message, email_type, user=nil)
@message = message
@email_type = email_type
@user = user
end
def send
return if @message.blank?
return if @message.to.blank?
return if @message.body.blank?
@message.charset = 'UTF-8'
opts = {}
# Only use the html template on digest emails
opts[:html_template] = true if (@email_type == 'digest')
renderer = EmailRenderer.new(@message, opts)
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@message.html_part = Mail::Part.new do
content_type 'text/html; charset=UTF-8'
body renderer.html
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end
@message.text_part.content_type = 'text/plain; charset=UTF-8'
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@message.deliver
to_address = @message.to
to_address = to_address.first if to_address.is_a?(Array)
EmailLog.create!(email_type: @email_type, to_address: to_address, user_id: @user.try(:id))
end
end