discourse/lib/system_message.rb

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# Handle sending a message to a user from the system.
require_dependency 'post_creator'
require_dependency 'topic_subtype'
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class SystemMessage
def self.create(recipient, type, params = {})
self.new(recipient).create(type, params)
end
def initialize(recipient)
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@recipient = recipient
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end
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def create(type, params = {})
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defaults = {site_name: SiteSetting.title,
username: @recipient.username,
user_preferences_url: "#{Discourse.base_url}/users/#{@recipient.username_lower}/preferences",
new_user_tips: SiteContent.content_for(:usage_tips),
site_password: "",
base_url: Discourse.base_url}
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params = defaults.merge(params)
if SiteSetting.access_password.present?
params[:site_password] = I18n.t('system_messages.site_password', access_password: SiteSetting.access_password)
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end
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title = I18n.t("system_messages.#{type}.subject_template", params)
raw_body = I18n.t("system_messages.#{type}.text_body_template", params)
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PostCreator.create(SystemMessage.system_user,
raw: raw_body,
title: title,
archetype: Archetype.private_message,
subtype: TopicSubtype.system_message,
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target_usernames: @recipient.username)
end
# Either returns the system_username user or the first admin.
def self.system_user
user = User.where(username_lower: SiteSetting.system_username).first if SiteSetting.system_username.present?
user = User.admins.order(:id).first if user.blank?
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user
end
end