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88 lines
2.5 KiB
Ruby
88 lines
2.5 KiB
Ruby
class Invite < ActiveRecord::Base
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belongs_to :user
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belongs_to :topic
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belongs_to :invited_by, class_name: 'User'
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has_many :topic_invites
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has_many :topics, through: :topic_invites, source: :topic
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validates_presence_of :email
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validates_presence_of :invited_by_id
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acts_as_paranoid
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before_create do
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self.invite_key ||= SecureRandom.hex
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end
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before_save do
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self.email = email.downcase
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end
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validate :user_doesnt_already_exist
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attr_accessor :email_already_exists
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def user_doesnt_already_exist
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@email_already_exists = false
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return if email.blank?
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if User.where("lower(email) = ?", email.downcase).exists?
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@email_already_exists = true
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errors.add(:email)
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end
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end
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def redeemed?
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redeemed_at.present?
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end
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def expired?
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created_at < SiteSetting.invite_expiry_days.days.ago
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end
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def redeem
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result = nil
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Invite.transaction do
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# Avoid a race condition
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row_count = Invite.update_all('redeemed_at = CURRENT_TIMESTAMP',
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['id = ? AND redeemed_at IS NULL AND created_at >= ?', id, SiteSetting.invite_expiry_days.days.ago])
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if row_count == 1
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# Create the user if we are redeeming the invite and the user doesn't exist
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result = User.where(email: email).first
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result ||= User.create_for_email(email, trust_level: SiteSetting.default_invitee_trust_level)
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result.send_welcome_message = false
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# If there are topic invites for private topics
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topics.private_messages.each do |t|
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t.topic_allowed_users.create(user_id: result.id)
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end
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# Check for other invites by the same email. Don't redeem them, but approve their
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# topics.
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Invite.where('invites.email = ? and invites.id != ?', email, id).includes(:topics).where(topics: { archetype: Archetype::private_message }).each do |i|
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i.topics.each do |t|
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t.topic_allowed_users.create(user_id: result.id)
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end
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end
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if Invite.update_all(['user_id = ?', result.id], ['email = ?', email]) == 1
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result.send_welcome_message = true
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end
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# Notify the invitee
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invited_by.notifications.create(notification_type: Notification.types[:invitee_accepted],
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data: { display_username: result.username }.to_json)
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else
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# Otherwise return the existing user
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result = User.where(email: email).first
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end
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end
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result
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end
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end
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