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256 lines
8.7 KiB
Ruby
256 lines
8.7 KiB
Ruby
# frozen_string_literal: true
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module Jobs
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# Asynchronously send an email to a user
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class UserEmail < ::Jobs::Base
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include Skippable
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sidekiq_options queue: 'low'
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# Can be overridden by subclass, for example critical email
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# should always consider being sent
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def quit_email_early?
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SiteSetting.disable_emails == 'yes'
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end
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def execute(args)
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raise Discourse::InvalidParameters.new(:user_id) unless args[:user_id].present?
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raise Discourse::InvalidParameters.new(:type) unless args[:type].present?
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# This is for performance. Quit out fast without doing a bunch
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# of extra work when emails are disabled.
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return if quit_email_early?
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post = nil
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notification = nil
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type = args[:type]
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user = User.find_by(id: args[:user_id])
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to_address = args[:to_address].presence || user&.primary_email&.email.presence || "no_email_found"
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set_skip_context(type, args[:user_id], to_address, args[:post_id])
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return skip(SkippedEmailLog.reason_types[:user_email_no_user]) if !user
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return skip(SkippedEmailLog.reason_types[:user_email_no_email]) if to_address == "no_email_found"
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if args[:post_id].present?
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post = Post.find_by(id: args[:post_id])
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if post.blank?
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return skip(SkippedEmailLog.reason_types[:user_email_post_not_found])
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end
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if !Guardian.new(user).can_see?(post)
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return skip(SkippedEmailLog.reason_types[:user_email_access_denied])
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end
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end
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if args[:notification_id].present?
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notification = Notification.find_by(id: args[:notification_id])
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end
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message, skip_reason_type = message_for_email(
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user,
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post,
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type,
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notification,
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args
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)
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if message
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Email::Sender.new(message, type, user).send
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if (b = user.user_stat.bounce_score) > SiteSetting.bounce_score_erode_on_send
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# erode bounce score each time we send an email
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# this means that we are punished a lot less for bounces
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# and we can recover more quickly
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user.user_stat.update(bounce_score: b - SiteSetting.bounce_score_erode_on_send)
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end
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else
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skip_reason_type
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end
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end
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def set_skip_context(type, user_id, to_address, post_id)
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@skip_context = { type: type, user_id: user_id, to_address: to_address, post_id: post_id }
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end
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NOTIFICATIONS_SENT_BY_MAILING_LIST ||= Set.new %w{
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posted
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replied
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mentioned
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group_mentioned
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quoted
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}
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def message_for_email(user, post, type, notification, args = nil)
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args ||= {}
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notification_type = args[:notification_type]
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notification_data_hash = args[:notification_data_hash]
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email_token = args[:email_token]
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to_address = args[:to_address]
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set_skip_context(type, user.id, to_address || user.email, post.try(:id))
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if user.anonymous?
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return skip_message(SkippedEmailLog.reason_types[:user_email_anonymous_user])
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end
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if user.suspended? && !["user_private_message", "account_suspended"].include?(type.to_s)
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return skip_message(SkippedEmailLog.reason_types[:user_email_user_suspended_not_pm])
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end
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if type.to_s == "digest"
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return if user.staged
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return if user.last_emailed_at &&
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user.last_emailed_at >
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(user.user_option&.digest_after_minutes || SiteSetting.default_email_digest_frequency.to_i).minutes.ago
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end
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seen_recently = (user.last_seen_at.present? && user.last_seen_at > SiteSetting.email_time_window_mins.minutes.ago)
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seen_recently = false if always_email_regular?(user, type) || always_email_private_message?(user, type) || user.staged
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email_args = {}
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if (post || notification || notification_type) &&
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(seen_recently && !user.suspended?)
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return skip_message(SkippedEmailLog.reason_types[:user_email_seen_recently])
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end
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email_args[:post] = post if post
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if notification || notification_type
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email_args[:notification_type] ||= notification_type || notification.try(:notification_type)
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email_args[:notification_data_hash] ||= notification_data_hash || notification.try(:data_hash)
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unless String === email_args[:notification_type]
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if Numeric === email_args[:notification_type]
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email_args[:notification_type] = Notification.types[email_args[:notification_type]]
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end
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email_args[:notification_type] = email_args[:notification_type].to_s
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end
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if user.user_option.mailing_list_mode? &&
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user.user_option.mailing_list_mode_frequency > 0 && # don't catch notifications for users on daily mailing list mode
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(!post.try(:topic).try(:private_message?)) &&
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NOTIFICATIONS_SENT_BY_MAILING_LIST.include?(email_args[:notification_type])
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# no need to log a reason when the mail was already sent via the mailing list job
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return [nil, nil]
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end
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unless always_email_regular?(user, type) || always_email_private_message?(user, type)
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if (notification && notification.read?) || (post && post.seen?(user))
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return skip_message(SkippedEmailLog.reason_types[:user_email_notification_already_read])
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end
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end
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end
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skip_reason_type = skip_email_for_post(post, user)
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return skip_message(skip_reason_type) if skip_reason_type.present?
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# Make sure that mailer exists
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raise Discourse::InvalidParameters.new("type=#{type}") unless UserNotifications.respond_to?(type)
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email_args[:email_token] = email_token if email_token.present?
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email_args[:new_email] = args[:new_email] || user.email if type.to_s == "notify_old_email" || type.to_s == "notify_old_email_add"
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if args[:client_ip] && args[:user_agent]
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email_args[:client_ip] = args[:client_ip]
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email_args[:user_agent] = args[:user_agent]
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end
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if EmailLog.reached_max_emails?(user, type.to_s)
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return skip_message(SkippedEmailLog.reason_types[:exceeded_emails_limit])
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end
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if !EmailLog::CRITICAL_EMAIL_TYPES.include?(type.to_s) && user.user_stat.bounce_score >= SiteSetting.bounce_score_threshold
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return skip_message(SkippedEmailLog.reason_types[:exceeded_bounces_limit])
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end
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if args[:user_history_id]
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email_args[:user_history] = UserHistory.where(id: args[:user_history_id]).first
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end
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message = EmailLog.unique_email_per_post(post, user) do
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UserNotifications.public_send(type, user, email_args)
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end
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# Update the to address if we have a custom one
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message.to = to_address if message && to_address.present?
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[message, nil]
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end
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sidekiq_retry_in do |count, exception|
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# retry in an hour when SMTP server is busy
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# or use default sidekiq retry formula
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case exception.wrapped
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when Net::SMTPServerBusy
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1.hour + (rand(30) * (count + 1))
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else
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::Jobs::UserEmail.seconds_to_delay(count)
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end
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end
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# extracted from sidekiq
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def self.seconds_to_delay(count)
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(count**4) + 15 + (rand(30) * (count + 1))
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end
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private
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def skip_message(reason)
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[nil, skip(reason)]
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end
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# If this email has a related post, don't send an email if it's been deleted or seen recently.
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def skip_email_for_post(post, user)
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if post
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if post.topic.blank?
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return SkippedEmailLog.reason_types[:user_email_topic_nil]
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end
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if post.user.blank?
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return SkippedEmailLog.reason_types[:user_email_post_user_deleted]
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end
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if post.user_deleted?
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return SkippedEmailLog.reason_types[:user_email_post_deleted]
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end
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if user.suspended? && !post.user&.staff?
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return SkippedEmailLog.reason_types[:user_email_user_suspended]
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end
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already_read = user.user_option.email_level != UserOption.email_level_types[:always] && PostTiming.exists?(topic_id: post.topic_id, post_number: post.post_number, user_id: user.id)
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if already_read
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SkippedEmailLog.reason_types[:user_email_already_read]
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end
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else
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false
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end
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end
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def skip(reason_type)
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create_skipped_email_log(
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email_type: @skip_context[:type],
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to_address: @skip_context[:to_address],
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user_id: @skip_context[:user_id],
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post_id: @skip_context[:post_id],
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reason_type: reason_type
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)
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end
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def always_email_private_message?(user, type)
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type == :user_private_message && user.user_option.email_messages_level == UserOption.email_level_types[:always]
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end
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def always_email_regular?(user, type)
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type != :user_private_message && user.user_option.email_level == UserOption.email_level_types[:always]
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end
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end
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end
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