discourse/app/jobs/regular/user_email.rb

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require_dependency 'email/sender'
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module Jobs
# Asynchronously send an email to a user
class UserEmail < Jobs::Base
def execute(args)
# Required parameters
raise Discourse::InvalidParameters.new(:user_id) unless args[:user_id].present?
raise Discourse::InvalidParameters.new(:type) unless args[:type].present?
# Find the user
user = User.where(id: args[:user_id]).first
return unless user
return if user.is_banned? && args[:type] != :user_private_message
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seen_recently = (user.last_seen_at.present? && user.last_seen_at > SiteSetting.email_time_window_mins.minutes.ago)
seen_recently = false if user.email_always
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email_args = {}
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if args[:post_id]
# Don't email a user about a post when we've seen them recently.
return if seen_recently
post = Post.where(id: args[:post_id]).first
return unless post.present?
email_args[:post] = post
end
email_args[:email_token] = args[:email_token] if args[:email_token].present?
notification = nil
notification = Notification.where(id: args[:notification_id]).first if args[:notification_id].present?
if notification.present?
# Don't email a user about a post when we've seen them recently.
return if seen_recently && !user.is_banned?
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# Load the post if present
email_args[:post] ||= notification.post
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email_args[:notification] = notification
# Don't send email if the notification this email is about has already been read
return if notification.read?
end
return if skip_email_for_post(email_args[:post], user)
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# Make sure that mailer exists
raise Discourse::InvalidParameters.new(:type) unless UserNotifications.respond_to?(args[:type])
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message = UserNotifications.send(args[:type], user, email_args)
# Update the to address if we have a custom one
if args[:to_address].present?
message.to = [args[:to_address]]
end
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Email::Sender.new(message, args[:type], user).send
end
private
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# If this email has a related post, don't send an email if it's been deleted or seen recently.
def skip_email_for_post(post, user)
post &&
(post.topic.blank? ||
post.user_deleted? ||
(user.is_banned? && !post.user.try(:staff?)) ||
PostTiming.where(topic_id: post.topic_id, post_number: post.post_number, user_id: user.id).present?)
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end
end
end