discourse/app/models/invite.rb

141 lines
3.7 KiB
Ruby

require_dependency 'trashable'
class Invite < ActiveRecord::Base
include Trashable
belongs_to :user
belongs_to :topic
belongs_to :invited_by, class_name: 'User'
has_many :topic_invites
has_many :topics, through: :topic_invites, source: :topic
validates_presence_of :email
validates_presence_of :invited_by_id
before_create do
self.invite_key ||= SecureRandom.hex
end
before_save do
self.email = Email.downcase(email)
end
validate :user_doesnt_already_exist
attr_accessor :email_already_exists
def user_doesnt_already_exist
@email_already_exists = false
return if email.blank?
u = User.where("email = ?", Email.downcase(email)).first
if u && u.id != self.user_id
@email_already_exists = true
errors.add(:email)
end
end
def redeemed?
redeemed_at.present?
end
def expired?
created_at < SiteSetting.invite_expiry_days.days.ago
end
# link_valid? indicates whether the invite link can be used to log in to the site
def link_valid?
invalidated_at.nil?
end
def redeem
InviteRedeemer.new(self).redeem unless expired? || destroyed? || !link_valid?
end
# Create an invite for a user, supplying an optional topic
#
# Return the previously existing invite if already exists. Returns nil if the invite can't be created.
def self.invite_by_email(email, invited_by, topic=nil)
lower_email = Email.downcase(email)
invite = Invite.with_deleted
.where('invited_by_id = ? and email = ?', invited_by.id, lower_email)
.order('created_at DESC')
.first
if invite && invite.expired?
invite.destroy
invite = nil
end
if invite.blank?
invite = Invite.create(invited_by: invited_by, email: lower_email)
unless invite.valid?
topic.grant_permission_to_user(lower_email) if topic.present? && topic.email_already_exists_for?(invite)
return
end
end
# Recover deleted invites if we invite them again
invite.recover! if invite.deleted_at.present?
topic.topic_invites.create(invite_id: invite.id) if topic.present?
Jobs.enqueue(:invite_email, invite_id: invite.id)
invite
end
def self.find_all_invites_from(inviter)
Invite.where(invited_by_id: inviter.id)
.includes(:user => :user_stat)
.order('CASE WHEN invites.user_id IS NOT NULL THEN 0 ELSE 1 END',
'user_stats.time_read DESC',
'invites.redeemed_at DESC')
.limit(SiteSetting.invites_shown)
.references('user_stats')
end
def self.find_redeemed_invites_from(inviter)
find_all_invites_from(inviter).where('invites.user_id IS NOT NULL')
end
def self.filter_by(email_or_username)
if email_or_username
where(
'(LOWER(invites.email) LIKE :filter) or (LOWER(users.username) LIKE :filter)',
filter: "%#{email_or_username.downcase}%"
)
else
all
end
end
def self.invalidate_for_email(email)
i = Invite.where(email: Email.downcase(email)).first
if i
i.invalidated_at = Time.zone.now
i.save
end
i
end
end
# == Schema Information
#
# Table name: invites
#
# id :integer not null, primary key
# invite_key :string(32) not null
# email :string(255) not null
# invited_by_id :integer not null
# user_id :integer
# redeemed_at :datetime
# created_at :datetime not null
# updated_at :datetime not null
# deleted_at :datetime
# deleted_by_id :integer
# invalidated_at :datetime
#
# Indexes
#
# index_invites_on_email_and_invited_by_id (email,invited_by_id) UNIQUE
# index_invites_on_invite_key (invite_key) UNIQUE
#