require_dependency 'markdown_linker' require_dependency 'email/message_builder' require_dependency 'age_words' class UserNotifications < ActionMailer::Base helper :application default charset: 'UTF-8' include Email::BuildEmailHelper def signup(user, opts={}) build_email(user.email, template: "user_notifications.signup", locale: user_locale(user), email_token: opts[:email_token]) end def signup_after_approval(user, opts={}) build_email(user.email, template: 'user_notifications.signup_after_approval', locale: user_locale(user), email_token: opts[:email_token], new_user_tips: I18n.t('system_messages.usage_tips.text_body_template', base_url: Discourse.base_url, locale: locale)) end def notify_old_email(user, opts={}) build_email(user.email, template: "user_notifications.notify_old_email", locale: user_locale(user), new_email: opts[:new_email]) end def confirm_old_email(user, opts={}) build_email(user.email, template: "user_notifications.confirm_old_email", locale: user_locale(user), email_token: opts[:email_token]) end def confirm_new_email(user, opts={}) build_email(user.email, template: "user_notifications.confirm_new_email", locale: user_locale(user), email_token: opts[:email_token]) end def forgot_password(user, opts={}) build_email(user.email, template: user.has_password? ? "user_notifications.forgot_password" : "user_notifications.set_password", locale: user_locale(user), email_token: opts[:email_token]) end def admin_login(user, opts={}) build_email(user.email, template: "user_notifications.admin_login", locale: user_locale(user), email_token: opts[:email_token]) end def account_created(user, opts={}) build_email(user.email, template: "user_notifications.account_created", locale: user_locale(user), email_token: opts[:email_token]) end def short_date(dt) if dt.year == Time.now.year I18n.l(dt, format: :short_no_year) else I18n.l(dt, format: :date_only) end end def mailing_list(user, opts={}) @since = opts[:since] || 1.day.ago @since_formatted = short_date(@since) @new_topic_posts = Post.mailing_list_new_topics(user, @since).group_by(&:topic) || {} @existing_topic_posts = Post.mailing_list_updates(user, @since).group_by(&:topic) || {} @posts_by_topic = @new_topic_posts.merge @existing_topic_posts return unless @posts_by_topic.present? build_summary_for(user) opts = { from_alias: I18n.t('user_notifications.mailing_list.from', site_name: SiteSetting.title), subject: I18n.t('user_notifications.mailing_list.subject_template', site_name: @site_name, date: @date), mailing_list_mode: true, add_unsubscribe_link: true, unsubscribe_url: "#{Discourse.base_url}/email/unsubscribe/#{@unsubscribe_key}", } apply_notification_styles(build_email(@user.email, opts)) end def digest(user, opts={}) build_summary_for(user) min_date = opts[:since] || user.last_emailed_at || user.last_seen_at || 1.month.ago @last_seen_at = short_date(user.last_seen_at || user.created_at) # A list of topics to show the user @featured_topics = Topic.for_digest(user, min_date, limit: SiteSetting.digest_topics, top_order: true).to_a # Don't send email unless there is content in it if @featured_topics.present? featured_topic_ids = @featured_topics.map(&:id) @new_topics_since_seen = Topic.new_since_last_seen(user, min_date, featured_topic_ids).count if @new_topics_since_seen > SiteSetting.digest_topics category_counts = Topic.new_since_last_seen(user, min_date, featured_topic_ids).group(:category_id).count @new_by_category = [] if category_counts.present? Category.where(id: category_counts.keys).each do |c| @new_by_category << [c, category_counts[c.id]] end @new_by_category.sort_by! {|c| -c[1]} end end @featured_topics, @new_topics = @featured_topics[0..4], @featured_topics[5..-1] opts = { from_alias: I18n.t('user_notifications.digest.from', site_name: SiteSetting.title), subject: I18n.t('user_notifications.digest.subject_template', site_name: @site_name, date: short_date(Time.now)), add_unsubscribe_link: true, unsubscribe_url: "#{Discourse.base_url}/email/unsubscribe/#{@unsubscribe_key}", } build_email(user.email, opts) end end def user_replied(user, opts) opts[:allow_reply_by_email] = true opts[:use_site_subject] = true opts[:show_category_in_subject] = true notification_email(user, opts) end def user_quoted(user, opts) opts[:allow_reply_by_email] = true opts[:use_site_subject] = true opts[:show_category_in_subject] = true notification_email(user, opts) end def user_linked(user, opts) opts[:allow_reply_by_email] = true opts[:use_site_subject] = true opts[:show_category_in_subject] = true notification_email(user, opts) end def user_mentioned(user, opts) opts[:allow_reply_by_email] = true opts[:use_site_subject] = true opts[:show_category_in_subject] = true notification_email(user, opts) end def group_mentioned(user, opts) opts[:allow_reply_by_email] = true opts[:use_site_subject] = true opts[:show_category_in_subject] = true notification_email(user, opts) end def user_posted(user, opts) opts[:allow_reply_by_email] = true opts[:use_site_subject] = true opts[:add_re_to_subject] = true opts[:show_category_in_subject] = true notification_email(user, opts) end def user_private_message(user, opts) opts[:allow_reply_by_email] = true opts[:use_site_subject] = true opts[:add_re_to_subject] = true opts[:show_category_in_subject] = false # We use the 'user_posted' event when you are emailed a post in a PM. opts[:notification_type] = 'posted' notification_email(user, opts) end def user_invited_to_private_message(user, opts) opts[:allow_reply_by_email] = false opts[:use_invite_template] = true notification_email(user, opts) end def user_invited_to_topic(user, opts) opts[:allow_reply_by_email] = false opts[:use_invite_template] = true opts[:show_category_in_subject] = true notification_email(user, opts) end def user_watching_first_post(user, opts) user_posted(user, opts) end def mailing_list_notify(user, post) opts = { post: post, allow_reply_by_email: true, use_site_subject: true, add_re_to_subject: true, show_category_in_subject: true, notification_type: "posted", notification_data_hash: { original_username: post.user.username, topic_title: post.topic.title, }, } notification_email(user, opts) end protected def user_locale(user) (user.locale.present? && I18n.available_locales.include?(user.locale.to_sym)) ? user.locale : nil end def email_post_markdown(post, add_posted_by=false) result = "[email-indent]\n" result << "#{post.raw}\n\n" if add_posted_by result << "#{I18n.t('user_notifications.posted_by', username: post.username, post_date: post.created_at.strftime("%m/%d/%Y"))}\n\n" end result << "[/email-indent]\n" result end class UserNotificationRenderer < ActionView::Base include UserNotificationsHelper end def self.get_context_posts(post, topic_user, user) if user.user_option.email_previous_replies == UserOption.previous_replies_type[:never] return [] end allowed_post_types = [Post.types[:regular]] allowed_post_types << Post.types[:whisper] if topic_user.try(:user).try(:staff?) context_posts = Post.where(topic_id: post.topic_id) .where("post_number < ?", post.post_number) .where(user_deleted: false) .where(hidden: false) .where(post_type: allowed_post_types) .order('created_at desc') .limit(SiteSetting.email_posts_context) if topic_user && topic_user.last_emailed_post_number && user.user_option.email_previous_replies == UserOption.previous_replies_type[:unless_emailed] context_posts = context_posts.where("post_number > ?", topic_user.last_emailed_post_number) end context_posts end def notification_email(user, opts) notification_type = opts[:notification_type] notification_data = opts[:notification_data_hash] post = opts[:post] unless String === notification_type if Numeric === notification_type notification_type = Notification.types[notification_type] end notification_type = notification_type.to_s end user_name = notification_data[:original_username] if post && SiteSetting.enable_names && SiteSetting.display_name_on_email_from name = User.where(id: post.user_id).pluck(:name).first user_name = name unless name.blank? end allow_reply_by_email = opts[:allow_reply_by_email] unless user.suspended? original_username = notification_data[:original_username] || notification_data[:display_username] send_notification_email( title: notification_data[:topic_title], post: post, username: original_username, from_alias: user_name, allow_reply_by_email: allow_reply_by_email, use_site_subject: opts[:use_site_subject], add_re_to_subject: opts[:add_re_to_subject], show_category_in_subject: opts[:show_category_in_subject], notification_type: notification_type, use_invite_template: opts[:use_invite_template], user: user ) end def send_notification_email(opts) post = opts[:post] title = opts[:title] allow_reply_by_email = opts[:allow_reply_by_email] use_site_subject = opts[:use_site_subject] add_re_to_subject = opts[:add_re_to_subject] && post.post_number > 1 username = opts[:username] from_alias = opts[:from_alias] notification_type = opts[:notification_type] user = opts[:user] locale = user_locale(user) # category name category = Topic.find_by(id: post.topic_id).category if opts[:show_category_in_subject] && post.topic_id && category && !category.uncategorized? show_category_in_subject = category.name # subcategory case if !category.parent_category_id.nil? show_category_in_subject = "#{Category.find_by(id: category.parent_category_id).name}/#{show_category_in_subject}" end else show_category_in_subject = nil end context = "" tu = TopicUser.get(post.topic_id, user) context_posts = self.class.get_context_posts(post, tu, user) # make .present? cheaper context_posts = context_posts.to_a if context_posts.present? context << "-- \n*#{I18n.t('user_notifications.previous_discussion')}*\n" context_posts.each do |cp| context << email_post_markdown(cp, true) end end reached_limit = SiteSetting.max_emails_per_day_per_user > 0 reached_limit &&= (EmailLog.where(user_id: user.id, skipped: false) .where('created_at > ?', 1.day.ago) .count) >= (SiteSetting.max_emails_per_day_per_user-1) if opts[:use_invite_template] if post.topic.private_message? invite_template = "user_notifications.invited_to_private_message_body" else invite_template = "user_notifications.invited_to_topic_body" end topic_excerpt = post.excerpt.tr("\n", " ") if post.is_first_post? && post.excerpt message = I18n.t(invite_template, username: username, topic_title: title, topic_excerpt: topic_excerpt, site_title: SiteSetting.title, site_description: SiteSetting.site_description) html = UserNotificationRenderer.new(Rails.configuration.paths["app/views"]).render( template: 'email/invite', format: :html, locals: { message: PrettyText.cook(message, sanitize: false).html_safe, classes: RTL.new(user).css_class } ) else in_reply_to_post = post.reply_to_post if user.user_option.email_in_reply_to html = UserNotificationRenderer.new(Rails.configuration.paths["app/views"]).render( template: 'email/notification', format: :html, locals: { context_posts: context_posts, reached_limit: reached_limit, post: post, in_reply_to_post: in_reply_to_post, classes: RTL.new(user).css_class } ) message = email_post_markdown(post) + (reached_limit ? "\n\n#{I18n.t "user_notifications.reached_limit", count: SiteSetting.max_emails_per_day_per_user}" : ""); end template = "user_notifications.user_#{notification_type}" if post.topic.private_message? template << "_pm" template << "_staged" if user.staged? end email_opts = { topic_title: title, message: message, url: post.url, post_id: post.id, topic_id: post.topic_id, context: context, username: username, add_unsubscribe_link: !user.staged, mailing_list_mode: user.user_option.mailing_list_mode, unsubscribe_url: post.unsubscribe_url(user), allow_reply_by_email: allow_reply_by_email, only_reply_by_email: allow_reply_by_email && user.staged, use_site_subject: use_site_subject, add_re_to_subject: add_re_to_subject, show_category_in_subject: show_category_in_subject, private_reply: post.topic.private_message?, include_respond_instructions: !(user.suspended? || user.staged?), template: template, html_override: html, site_description: SiteSetting.site_description, site_title: SiteSetting.title, style: :notification, locale: locale } # If we have a display name, change the from address email_opts[:from_alias] = from_alias if from_alias.present? TopicUser.change(user.id, post.topic_id, last_emailed_post_number: post.post_number) build_email(user.email, email_opts) end private def build_summary_for(user) @user = user @date = short_date(Time.now) @base_url = Discourse.base_url @site_name = SiteSetting.email_prefix.presence || SiteSetting.title @header_color = ColorScheme.hex_for_name('header_background') @anchor_color = ColorScheme.hex_for_name('tertiary') @markdown_linker = MarkdownLinker.new(@base_url) @unsubscribe_key = UnsubscribeKey.create_key_for(@user, "digest") end def apply_notification_styles(email) email.html_part.body = Email::Styles.new(email.html_part.body.to_s).tap do |styles| styles.format_basic styles.format_notification end.to_html email end end