107 lines
3.0 KiB
Ruby
107 lines
3.0 KiB
Ruby
#
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# Copyright (C) 2011 Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class Mailer < ActionMailer::Base
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attr_reader :email
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if CANVAS_RAILS2
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# yielded to the block given to #mail as called from #message in order to
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# perform the appropriate rails2-style ActionMailer actions on @target.
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class Formatter
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def initialize(target)
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@target = target
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end
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# e.g. the "render text: ..." in format.html{ render text: ... }
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def render(params)
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params[:text]
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end
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# e.g. format.html{ render text: ... }
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def html
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body = yield self
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@hasHTML = true
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@target.content_type 'multipart/alternative'
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@target.part content_type: 'text/html; charset=utf-8', body: body
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end
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# e.g. format.text{ render text: ... }
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def text
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body = yield self
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if @hasHTML
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@target.part content_type: 'text/plain; charset=utf-8', body: body
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else
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@target.body body
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end
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end
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end
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# now define #mail -- as called from #message -- to perform the appropriate
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# rails2-style ActionMailer actions
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def mail(params)
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recipients params[:to]
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bcc params[:bcc] if params[:bcc]
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cc params[:cc] if params[:cc]
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from params[:from]
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reply_to params[:reply_to]
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subject params[:subject]
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yield Formatter.new(self)
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self
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end
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# finally, define a proxy so that the rails3-style
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# Mailer.message(m).deliver syntax works to invoke deliver_message(m) as
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# expected by the rails2-implementation of ActionMailer
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class Proxy
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def initialize(message)
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@message = message
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end
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def deliver
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Mailer.deliver_message(@message)
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end
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end
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def self.message(m)
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Proxy.new(m)
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end
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end
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# define in rails3-style
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def message(m)
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# notifications have context, bounce replies don't.
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headers('Auto-Submitted' => m.context ? 'auto-generated' : 'auto-replied')
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params = {
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from: "#{m.from_name || HostUrl.outgoing_email_default_name} <" + HostUrl.outgoing_email_address + ">",
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reply_to: ReplyToAddress.new(m).address,
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to: m.to,
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subject: m.subject
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}
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params[:cc] = m.cc if m.cc
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params[:bcc] = m.bcc if m.bcc
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mail(params) do |format|
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format.html{ render text: m.html_body } if m.html_body
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format.text{ render text: m.body }
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end
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end
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end
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