mirror of
https://github.com/discourse/discourse.git
synced 2024-12-01 05:23:43 +08:00
282 lines
8.3 KiB
Ruby
282 lines
8.3 KiB
Ruby
require_dependency 'rate_limiter'
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class Invite < ActiveRecord::Base
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class UserExists < StandardError; end
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include RateLimiter::OnCreateRecord
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include Trashable
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rate_limit :limit_invites_per_day
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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 :invited_groups
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has_many :groups, through: :invited_groups
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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 :invited_by_id
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validates :email, email: true
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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_validation do
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self.email = Email.downcase(email) unless email.nil?
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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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user = Invite.find_user_by_email(email)
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if user && user.id != self.user_id
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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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# link_valid? indicates whether the invite link can be used to log in to the site
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def link_valid?
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invalidated_at.nil?
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end
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def redeem(username: nil, name: nil, password: nil, user_custom_fields: nil)
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InviteRedeemer.new(self, username, name, password, user_custom_fields).redeem unless expired? || destroyed? || !link_valid?
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end
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def self.extend_permissions(topic, user, invited_by)
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if topic.private_message?
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topic.grant_permission_to_user(user.email)
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elsif topic.category && topic.category.groups.any?
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if Guardian.new(invited_by).can_invite_via_email?(topic)
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(topic.category.groups - user.groups).each do |group|
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group.add(user)
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GroupActionLogger.new(Discourse.system_user, group).log_add_user_to_group(user)
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end
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end
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end
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end
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def self.invite_by_email(email, invited_by, topic = nil, group_ids = nil, custom_message = nil)
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create_invite_by_email(email, invited_by,
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topic: topic,
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group_ids: group_ids,
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custom_message: custom_message,
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send_email: true
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)
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end
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# generate invite link
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def self.generate_invite_link(email, invited_by, topic = nil, group_ids = nil)
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invite = create_invite_by_email(email, invited_by,
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topic: topic,
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group_ids: group_ids,
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send_email: false
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)
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"#{Discourse.base_url}/invites/#{invite.invite_key}" if invite
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end
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# Create an invite for a user, supplying an optional topic
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#
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# Return the previously existing invite if already exists. Returns nil if the invite can't be created.
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def self.create_invite_by_email(email, invited_by, opts = nil)
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opts ||= {}
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topic = opts[:topic]
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group_ids = opts[:group_ids]
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send_email = opts[:send_email].nil? ? true : opts[:send_email]
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custom_message = opts[:custom_message]
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lower_email = Email.downcase(email)
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if user = find_user_by_email(lower_email)
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extend_permissions(topic, user, invited_by) if topic
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raise UserExists.new I18n.t("invite.user_exists", email: lower_email, username: user.username)
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end
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invite = Invite.with_deleted
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.where(email: lower_email, invited_by_id: invited_by.id)
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.order('created_at DESC')
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.first
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if invite && (invite.expired? || invite.deleted_at)
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invite.destroy
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invite = nil
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end
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invite.update_columns(created_at: Time.zone.now, updated_at: Time.zone.now) if invite
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if !invite
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create_args = { invited_by: invited_by, email: lower_email }
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create_args[:moderator] = true if opts[:moderator]
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create_args[:custom_message] = custom_message if custom_message
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invite = Invite.create!(create_args)
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end
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if topic && !invite.topic_invites.pluck(:topic_id).include?(topic.id)
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invite.topic_invites.create!(invite_id: invite.id, topic_id: topic.id)
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# to correct association
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topic.reload
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end
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if group_ids.present?
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group_ids = group_ids - invite.invited_groups.pluck(:group_id)
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group_ids.each do |group_id|
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invite.invited_groups.create!(group_id: group_id)
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end
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else
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if topic && topic.category && Guardian.new(invited_by).can_invite_to?(topic)
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group_ids = topic.category.groups.pluck(:id) - invite.invited_groups.pluck(:group_id)
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group_ids.each { |group_id| invite.invited_groups.create!(group_id: group_id) }
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end
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end
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Jobs.enqueue(:invite_email, invite_id: invite.id) if send_email
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invite.reload
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invite
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end
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def self.find_user_by_email(email)
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User.with_email(email).where(staged: false).first
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end
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def self.get_group_ids(group_names)
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group_ids = []
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if group_names
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group_names = group_names.split(',')
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group_names.each { |group_name|
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group_detail = Group.find_by_name(group_name)
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group_ids.push(group_detail.id) if group_detail
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}
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end
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group_ids
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end
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def self.find_all_invites_from(inviter, offset = 0, limit = SiteSetting.invites_per_page)
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Invite.where(invited_by_id: inviter.id)
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.where('invites.email IS NOT NULL')
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.includes(user: :user_stat)
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.order('CASE WHEN invites.user_id IS NOT NULL THEN 0 ELSE 1 END',
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'user_stats.time_read DESC',
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'invites.redeemed_at DESC')
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.limit(limit)
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.offset(offset)
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.references('user_stats')
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end
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def self.find_pending_invites_from(inviter, offset = 0)
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find_all_invites_from(inviter, offset).where('invites.user_id IS NULL').order('invites.created_at DESC')
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end
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def self.find_redeemed_invites_from(inviter, offset = 0)
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find_all_invites_from(inviter, offset).where('invites.user_id IS NOT NULL').order('invites.redeemed_at DESC')
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end
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def self.find_pending_invites_count(inviter)
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find_all_invites_from(inviter, 0, nil).where('invites.user_id IS NULL').reorder(nil).count
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end
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def self.find_redeemed_invites_count(inviter)
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find_all_invites_from(inviter, 0, nil).where('invites.user_id IS NOT NULL').reorder(nil).count
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end
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def self.filter_by(email_or_username)
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if email_or_username
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where(
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'(LOWER(invites.email) LIKE :filter) or (LOWER(users.username) LIKE :filter)',
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filter: "%#{email_or_username.downcase}%"
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)
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else
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all
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end
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end
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def self.invalidate_for_email(email)
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i = Invite.find_by(email: Email.downcase(email))
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if i
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i.invalidated_at = Time.zone.now
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i.save
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end
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i
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end
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def self.redeem_from_email(email)
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invite = Invite.find_by(email: Email.downcase(email))
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if invite
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InviteRedeemer.new(invite).redeem
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end
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invite
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end
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def resend_invite
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self.update_columns(created_at: Time.zone.now, updated_at: Time.zone.now)
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Jobs.enqueue(:invite_email, invite_id: self.id)
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end
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def self.resend_all_invites_from(user_id)
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Invite.where('invites.user_id IS NULL AND invites.email IS NOT NULL AND invited_by_id = ?', user_id).find_each do |invite|
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invite.resend_invite
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end
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end
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def self.rescind_all_invites_from(user)
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Invite.where('invites.user_id IS NULL AND invites.email IS NOT NULL AND invited_by_id = ?', user.id).find_each do |invite|
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invite.trash!(user)
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end
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end
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def limit_invites_per_day
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RateLimiter.new(invited_by, "invites-per-day", SiteSetting.max_invites_per_day, 1.day.to_i)
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end
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def self.base_directory
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File.join(Rails.root, "public", "uploads", "csv", RailsMultisite::ConnectionManagement.current_db)
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end
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def self.create_csv(file, name)
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extension = File.extname(file.original_filename)
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path = "#{Invite.base_directory}/#{name}#{extension}"
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FileUtils.mkdir_p(Pathname.new(path).dirname)
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File.open(path, "wb") { |f| f << file.tempfile.read }
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path
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end
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end
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# == Schema Information
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#
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# Table name: invites
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#
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# id :integer not null, primary key
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# invite_key :string(32) not null
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# email :string(255)
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# invited_by_id :integer not null
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# user_id :integer
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# redeemed_at :datetime
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# created_at :datetime not null
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# updated_at :datetime not null
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# deleted_at :datetime
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# deleted_by_id :integer
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# invalidated_at :datetime
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# moderator :boolean default(FALSE), not null
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# custom_message :text
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#
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# Indexes
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#
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# index_invites_on_email_and_invited_by_id (email,invited_by_id)
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# index_invites_on_invite_key (invite_key) UNIQUE
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#
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