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118 lines
3.5 KiB
Ruby
118 lines
3.5 KiB
Ruby
require_dependency 'email'
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require_dependency 'has_errors'
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require_dependency 'email_validator'
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class EmailUpdater
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include HasErrors
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attr_reader :user
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def initialize(guardian=nil, user=nil)
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@guardian = guardian
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@user = user
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end
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def self.human_attribute_name(name, options={})
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User.human_attribute_name(name, options)
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end
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def authorize_both?
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@user.staff?
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end
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def change_to(email_input)
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@guardian.ensure_can_edit_email!(@user)
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email = Email.downcase(email_input.strip)
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EmailValidator.new(attributes: :email).validate_each(self, :email, email)
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if existing_user = User.find_by_email(email)
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error_message = 'change_email.error'
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error_message << '_staged' if existing_user.staged?
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errors.add(:base, I18n.t(error_message))
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end
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if errors.blank?
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args = {
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old_email: @user.email,
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new_email: email,
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}
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if authorize_both?
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args[:change_state] = EmailChangeRequest.states[:authorizing_old]
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email_token = @user.email_tokens.create(email: args[:old_email])
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args[:old_email_token] = email_token
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else
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args[:change_state] = EmailChangeRequest.states[:authorizing_new]
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email_token = @user.email_tokens.create(email: args[:new_email])
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args[:new_email_token] = email_token
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end
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@user.email_change_requests.create(args)
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if args[:change_state] == EmailChangeRequest.states[:authorizing_new]
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send_email(:confirm_new_email, email_token)
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elsif args[:change_state] == EmailChangeRequest.states[:authorizing_old]
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send_email(:confirm_old_email, email_token)
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end
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end
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end
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def confirm(token)
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confirm_result = nil
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change_req = nil
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User.transaction do
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result = EmailToken.atomic_confirm(token)
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if result[:success]
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token = result[:email_token]
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@user = token.user
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change_req = user.email_change_requests
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.where('old_email_token_id = :token_id OR new_email_token_id = :token_id', { token_id: token.id})
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.first
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# Simple state machine
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case change_req.try(:change_state)
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when EmailChangeRequest.states[:authorizing_old]
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new_token = user.email_tokens.create(email: change_req.new_email)
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change_req.update_columns(change_state: EmailChangeRequest.states[:authorizing_new],
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new_email_token_id: new_token.id)
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send_email(:confirm_new_email, new_token)
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confirm_result = :authorizing_new
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when EmailChangeRequest.states[:authorizing_new]
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change_req.update_column(:change_state, EmailChangeRequest.states[:complete])
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user.update_column(:email, token.email)
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confirm_result = :complete
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end
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else
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errors.add(:base, I18n.t('change_email.already_done'))
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confirm_result = :error
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end
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end
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if confirm_result == :complete && change_req.old_email_token_id.blank?
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notify_old(change_req.old_email, token.email)
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end
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confirm_result || :error
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end
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protected
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def notify_old(old_email, new_email)
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Jobs.enqueue :critical_user_email,
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to_address: old_email,
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type: :notify_old_email,
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user_id: @user.id
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end
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def send_email(type, email_token)
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Jobs.enqueue :critical_user_email,
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to_address: email_token.email,
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type: type,
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user_id: @user.id,
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email_token: email_token.token
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end
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end
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