discourse/app/models/invite_redeemer.rb

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InviteRedeemer = Struct.new(:invite) do
def redeem
Invite.transaction do
process_invitation if invite_was_redeemed?
end
invited_user
end
# extracted from User cause it is very specific to invites
def self.create_user_for_email(email)
username = UserNameSuggester.suggest(email)
DiscourseHub.nickname_operation do
match, available, suggestion = DiscourseHub.nickname_match?(username, email)
username = suggestion unless match || available
end
user = User.new(email: email, username: username, name: username, active: true)
user.trust_level = SiteSetting.default_invitee_trust_level
user.save!
DiscourseHub.nickname_operation { DiscourseHub.register_nickname(username, email) }
user
end
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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
approve_account_if_needed
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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')
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end
def get_invited_user
result = get_existing_user
result ||= InviteRedeemer.create_user_for_email(invite.email)
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result.send_welcome_message = false
result
end
def get_existing_user
User.where(email: invite.email).first
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 send_welcome_message
if Invite.where(['email = ?', invite.email]).update_all(['user_id = ?', invited_user.id]) == 1
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invited_user.send_welcome_message = true
end
end
def approve_account_if_needed
invited_user.approve(invite.invited_by_id, send_email=false)
end
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def notify_invitee
invite.invited_by.notifications.create(notification_type: Notification.types[:invitee_accepted],
data: {display_username: invited_user.username}.to_json)
end
end