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197e3fd722
Renaming a topic shouldn't be visibile to staged users when the topic was created via email.
232 lines
7.7 KiB
Ruby
232 lines
7.7 KiB
Ruby
# Builds a Mail::Message we can use for sending. Optionally supports using a template
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# for the body and subject
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module Email
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module BuildEmailHelper
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def build_email(*builder_args)
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builder = Email::MessageBuilder.new(*builder_args)
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headers(builder.header_args) if builder.header_args.present?
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mail(builder.build_args).tap { |message|
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if message && h = builder.html_part
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message.html_part = h
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end
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}
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end
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end
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class MessageBuilder
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attr_reader :template_args
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ALLOW_REPLY_BY_EMAIL_HEADER = 'X-Discourse-Allow-Reply-By-Email'.freeze
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def initialize(to, opts = nil)
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@to = to
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@opts = opts || {}
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@template_args = {
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site_name: SiteSetting.title,
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email_prefix: SiteSetting.email_prefix.presence || SiteSetting.title,
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base_url: Discourse.base_url,
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user_preferences_url: "#{Discourse.base_url}/my/preferences",
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hostname: Discourse.current_hostname,
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}.merge!(@opts)
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if @template_args[:url].present?
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@template_args[:header_instructions] ||= I18n.t('user_notifications.header_instructions', @template_args)
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if @opts[:include_respond_instructions] == false
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@template_args[:respond_instructions] = ''
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@template_args[:respond_instructions] = I18n.t('user_notifications.pm_participants', @template_args) if @opts[:private_reply]
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else
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if @opts[:only_reply_by_email]
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string = "user_notifications.only_reply_by_email"
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string << "_pm" if @opts[:private_reply]
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else
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string = allow_reply_by_email? ? "user_notifications.reply_by_email" : "user_notifications.visit_link_to_respond"
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string << "_pm" if @opts[:private_reply]
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end
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@template_args[:respond_instructions] = "---\n" + I18n.t(string, @template_args)
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end
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if @opts[:add_unsubscribe_link]
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unsubscribe_string = if @opts[:mailing_list_mode]
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"unsubscribe_mailing_list"
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elsif SiteSetting.unsubscribe_via_email_footer
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"unsubscribe_link_and_mail"
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else
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"unsubscribe_link"
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end
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@template_args[:unsubscribe_instructions] = I18n.t(unsubscribe_string, @template_args)
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end
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end
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end
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def subject
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if @opts[:use_site_subject]
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subject = String.new(SiteSetting.email_subject)
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subject.gsub!("%{site_name}", @template_args[:email_prefix])
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subject.gsub!("%{optional_re}", @opts[:add_re_to_subject] ? I18n.t('subject_re') : '')
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subject.gsub!("%{optional_pm}", @opts[:private_reply] ? @template_args[:subject_pm] : '')
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subject.gsub!("%{optional_cat}", @template_args[:show_category_in_subject] ? "[#{@template_args[:show_category_in_subject]}] " : '')
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subject.gsub!("%{optional_tags}", @template_args[:show_tags_in_subject] ? "#{@template_args[:show_tags_in_subject]} " : '')
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subject.gsub!("%{topic_title}", @template_args[:topic_title]) if @template_args[:topic_title] # must be last for safety
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elsif @opts[:use_topic_title_subject]
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subject = @opts[:add_re_to_subject] ? I18n.t('subject_re') : ''
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subject = "#{subject}#{@template_args[:topic_title]}"
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elsif @opts[:template]
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subject = I18n.t("#{@opts[:template]}.subject_template", @template_args)
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else
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subject = @opts[:subject]
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end
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subject
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end
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def html_part
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return unless html_override = @opts[:html_override]
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if @template_args[:unsubscribe_instructions].present?
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unsubscribe_instructions = PrettyText.cook(@template_args[:unsubscribe_instructions], sanitize: false).html_safe
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html_override.gsub!("%{unsubscribe_instructions}", unsubscribe_instructions)
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else
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html_override.gsub!("%{unsubscribe_instructions}", "")
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end
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if @template_args[:header_instructions].present?
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header_instructions = PrettyText.cook(@template_args[:header_instructions], sanitize: false).html_safe
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html_override.gsub!("%{header_instructions}", header_instructions)
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else
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html_override.gsub!("%{header_instructions}", "")
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end
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if @template_args[:respond_instructions].present?
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respond_instructions = PrettyText.cook(@template_args[:respond_instructions], sanitize: false).html_safe
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html_override.gsub!("%{respond_instructions}", respond_instructions)
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else
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html_override.gsub!("%{respond_instructions}", "")
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end
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styled = Email::Styles.new(html_override, @opts)
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styled.format_basic
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if style = @opts[:style]
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styled.send("format_#{style}")
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end
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Mail::Part.new do
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content_type 'text/html; charset=UTF-8'
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body styled.to_html
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end
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end
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def body
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body = @opts[:body]
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body = I18n.t("#{@opts[:template]}.text_body_template", template_args).dup if @opts[:template]
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if @template_args[:unsubscribe_instructions].present?
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body << "\n"
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body << @template_args[:unsubscribe_instructions]
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end
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body
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end
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def build_args
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{
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to: @to,
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subject: subject,
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body: body,
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charset: 'UTF-8',
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from: from_value
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}
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end
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def header_args
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result = {}
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if @opts[:add_unsubscribe_link]
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unsubscribe_url = @template_args[:unsubscribe_url].presence || @template_args[:user_preferences_url]
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result['List-Unsubscribe'] = "<#{unsubscribe_url}>"
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end
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result['X-Discourse-Post-Id'] = @opts[:post_id].to_s if @opts[:post_id]
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result['X-Discourse-Topic-Id'] = @opts[:topic_id].to_s if @opts[:topic_id]
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# please, don't send us automatic responses...
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result['X-Auto-Response-Suppress'] = 'All'
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if allow_reply_by_email?
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result[ALLOW_REPLY_BY_EMAIL_HEADER] = true
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result['Reply-To'] = reply_by_email_address
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else
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result['Reply-To'] = from_value
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end
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result.merge(MessageBuilder.custom_headers(SiteSetting.email_custom_headers))
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end
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def self.custom_headers(string)
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result = {}
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string.split('|').each { |item|
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header = item.split(':', 2)
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if header.length == 2
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name = header[0].strip
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value = header[1].strip
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result[name] = value if name.length > 0 && value.length > 0
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end
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} unless string.nil?
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result
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end
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protected
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def allow_reply_by_email?
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SiteSetting.reply_by_email_enabled? &&
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reply_by_email_address.present? &&
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@opts[:allow_reply_by_email]
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end
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def private_reply?
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allow_reply_by_email? && @opts[:private_reply]
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end
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def from_value
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return @from_value if @from_value
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@from_value = @opts[:from] || SiteSetting.notification_email
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@from_value = alias_email(@from_value)
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end
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def reply_by_email_address
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return @reply_by_email_address if @reply_by_email_address
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return nil unless SiteSetting.reply_by_email_address.present?
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@reply_by_email_address = SiteSetting.reply_by_email_address.dup
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@reply_by_email_address =
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if private_reply?
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alias_email(@reply_by_email_address)
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else
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site_alias_email(@reply_by_email_address)
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end
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end
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def alias_email(source)
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return source if @opts[:from_alias].blank? &&
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SiteSetting.email_site_title.blank? &&
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SiteSetting.title.blank?
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if @opts[:from_alias].present?
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%Q|"#{Email.cleanup_alias(@opts[:from_alias])}" <#{source}>|
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elsif source == SiteSetting.notification_email || source == SiteSetting.reply_by_email_address
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site_alias_email(source)
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else
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source
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end
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end
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def site_alias_email(source)
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from_alias = Email.site_title
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%Q|"#{Email.cleanup_alias(from_alias)}" <#{source}>|
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end
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end
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end
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