InviteRedeemer = Struct.new(:invite) do def redeem Invite.transaction do if invite_was_redeemed? process_invitation return invited_user end end # If `invite_passthrough_hours` is defined, allow them to re-use the invite link # to login again. if invite.redeemed_at >= SiteSetting.invite_passthrough_hours.hours.ago return invited_user end nil end # extracted from User cause it is very specific to invites def self.create_user_from_invite(invite) username = UserNameSuggester.suggest(invite.email) DiscourseHub.username_operation do match, available, suggestion = DiscourseHub.username_match?(username, invite.email) username = suggestion unless match || available end user = User.new(email: invite.email, username: username, name: username, active: true, trust_level: SiteSetting.default_invitee_trust_level) user.save! DiscourseHub.username_operation { DiscourseHub.register_username(username, invite.email) } user end private def invited_user @invited_user ||= get_invited_user end def process_invitation add_to_private_topics_if_invited add_user_to_invited_topics add_user_to_groups send_welcome_message approve_account_if_needed notify_invitee end def invite_was_redeemed? # Return true if a row was updated mark_invite_redeemed == 1 end def mark_invite_redeemed Invite.where(['id = ? AND redeemed_at IS NULL AND created_at >= ?', invite.id, SiteSetting.invite_expiry_days.days.ago]).update_all('redeemed_at = CURRENT_TIMESTAMP') end def get_invited_user result = get_existing_user result ||= InviteRedeemer.create_user_from_invite(invite) result.send_welcome_message = false result end def get_existing_user User.find_by(email: invite.email) end def add_to_private_topics_if_invited invite.topics.private_messages.each do |t| t.topic_allowed_users.create(user_id: invited_user.id) end end def add_user_to_invited_topics Invite.where('invites.email = ? and invites.id != ?', invite.email, invite.id).includes(:topics).where(topics: {archetype: Archetype::private_message}).each do |i| i.topics.each do |t| t.topic_allowed_users.create(user_id: invited_user.id) end end end def add_user_to_groups invite.groups.each do |g| invited_user.group_users.create(group_id: g.id) end end def send_welcome_message if Invite.where(['email = ?', invite.email]).update_all(['user_id = ?', invited_user.id]) == 1 invited_user.send_welcome_message = true end end def approve_account_if_needed invited_user.approve(invite.invited_by_id, send_email=false) end def notify_invitee invite.invited_by.notifications.create(notification_type: Notification.types[:invitee_accepted], data: {display_username: invited_user.username}.to_json) end end