discourse/app/models/invite_redeemer.rb

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InviteRedeemer = Struct.new(:invite, :username, :name, :password, :user_custom_fields) do
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def redeem
Invite.transaction do
if invite_was_redeemed?
process_invitation
return invited_user
end
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end
# If `invite_passthrough_hours` is defined, allow them to re-use the invite link
# to login again.
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if invite.redeemed_at && invite.redeemed_at >= SiteSetting.invite_passthrough_hours.hours.ago
return invited_user
end
nil
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end
# extracted from User cause it is very specific to invites
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def self.create_user_from_invite(invite, username, name, password = nil, user_custom_fields = nil)
if username && UsernameValidator.new(username).valid_format? && User.username_available?(username)
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available_username = username
else
available_username = UserNameSuggester.suggest(invite.email)
end
available_name = name || available_username
user_params = {
email: invite.email,
username: available_username,
name: available_name,
active: true,
trust_level: SiteSetting.default_invitee_trust_level
}
user = User.unstage(user_params)
user = User.new(user_params) if user.nil?
if !SiteSetting.must_approve_users? || (SiteSetting.must_approve_users? && invite.invited_by.staff?)
user.approved = true
user.approved_by_id = invite.invited_by_id
user.approved_at = Time.zone.now
end
user_fields = UserField.all
if user_custom_fields.present? && user_fields.present?
field_params = user_custom_fields || {}
fields = user.custom_fields
user_fields.each do |f|
field_val = field_params[f.id.to_s]
fields["user_field_#{f.id}"] = field_val[0...UserField.max_length] unless field_val.blank?
end
user.custom_fields = fields
end
user.moderator = true if invite.moderator? && invite.invited_by.staff?
if password
user.password = password
user.password_required!
end
user.save!
User.find(user.id)
end
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private
def invited_user
@invited_user ||= get_invited_user
end
def process_invitation
approve_account_if_needed
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add_to_private_topics_if_invited
add_user_to_invited_topics
add_user_to_groups
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send_welcome_message
notify_invitee
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delete_duplicate_invites
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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_from_invite(invite, username, name, password, user_custom_fields)
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result.send_welcome_message = false
result
end
def get_existing_user
User.where(admin: false, staged: false).find_by_email(invite.email)
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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
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Invite.where('invites.email = ? and invites.id != ?', invite.email, invite.id).includes(:topics).where(topics: { archetype: Archetype::private_message }).each do |i|
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i.topics.each do |t|
t.topic_allowed_users.create(user_id: invited_user.id)
end
end
end
def add_user_to_groups
new_group_ids = invite.groups.pluck(:id) - invited_user.group_users.pluck(:group_id)
new_group_ids.each do |id|
invited_user.group_users.create(group_id: id)
end
end
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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
if get_existing_user
invited_user.approve(invite.invited_by_id, false)
end
end
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def notify_invitee
if inviter = invite.invited_by
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inviter.notifications.create(notification_type: Notification.types[:invitee_accepted],
data: { display_username: invited_user.username }.to_json)
end
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end
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def delete_duplicate_invites
Invite.where('invites.email = ? AND redeemed_at IS NULL AND invites.id != ?', invite.email, invite.id).delete_all
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end
end