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final result
InviteRedeemer = Struct.new(:invite) do
def redeem
Invite.transaction do
process_invitation if invite_was_redeemed?
end
invited_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
send_welcome_message
notify_invitee
end
def invite_was_redeemed?
# Return true if a row was updated
mark_invite_redeemed == 1
end
def mark_invite_redeemed
Invite.update_all('redeemed_at = CURRENT_TIMESTAMP',
['id = ? AND redeemed_at IS NULL AND created_at >= ?',
invite.id, SiteSetting.invite_expiry_days.days.ago])
end
def get_invited_user
result = get_existing_user
result ||= create_new_user
result.send_welcome_message = false
result
end
def get_existing_user
User.where(email: invite.email).first
end
def create_new_user
User.create_for_email(invite.email, trust_level: SiteSetting.default_invitee_trust_level)
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_uses.create(user_id: invited_user.id)
end
end
end
def send_welcome_message
if Invite.update_all(['user_id = ?', invited_user.id], ['email = ?', invite.email]) == 1
invited_user.send_welcome_message = true
end
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
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