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module Devise
module Mailers
module Helpers
extend ActiveSupport::Concern
included do
include Devise::Controllers::ScopedViews
attr_reader :scope_name, :resource
end
protected
# Configure default email options
def devise_mail(record, action, opts={})
initialize_from_record(record)
mail headers_for(action, opts)
end
def initialize_from_record(record)
@scope_name = Devise::Mapping.find_scope!(record)
@resource = instance_variable_set("@#{devise_mapping.name}", record)
end
def devise_mapping
@devise_mapping ||= Devise.mappings[scope_name]
end
def headers_for(action, opts)
headers = {
subject: subject_for(action),
to: resource.email,
from: mailer_sender(devise_mapping),
reply_to: mailer_reply_to(devise_mapping),
template_path: template_paths,
template_name: action
}.merge(opts)
@email = headers[:to]
headers
end
def mailer_reply_to(mapping)
mailer_sender(mapping, :reply_to)
end
def mailer_from(mapping)
mailer_sender(mapping, :from)
end
def mailer_sender(mapping, sender = :from)
default_sender = default_params[sender]
if default_sender.present?
default_sender.respond_to?(:to_proc) ? instance_eval(&default_sender) : default_sender
elsif Devise.mailer_sender.is_a?(Proc)
Devise.mailer_sender.call(mapping.name)
else
Devise.mailer_sender
end
end
def template_paths
template_path = _prefixes.dup
template_path.unshift "#{@devise_mapping.scoped_path}/mailer" if self.class.scoped_views?
template_path
end
# Setup a subject doing an I18n lookup. At first, it attempts to set a subject
# based on the current mapping:
#
# en:
# devise:
# mailer:
# confirmation_instructions:
# user_subject: '...'
#
# If one does not exist, it fallbacks to ActionMailer default:
#
# en:
# devise:
# mailer:
# confirmation_instructions:
# subject: '...'
#
def subject_for(key)
I18n.t(:"#{devise_mapping.name}_subject", scope: [:devise, :mailer, key],
default: [:subject, key.to_s.humanize])
end
end
end
end
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