d';
		$this->enqueue_mail( $mail );

		$this->sitepress->switch_locale();

		return $mail;
	}

	/**
	 * @param array                        $model
	 * @param WPML_Element_Translation_Job $job
	 *
	 * @return string
	 */
	private function update_model_for_deadline( array $model,  WPML_Element_Translation_Job $job ) {
		if ( $job->is_completed_on_time() ) {
			$model['deadline_status'] = __( 'The translation job was completed on time.', 'wpml-translation-management' );
		} else {
			$overdue_days = $job->get_number_of_days_overdue();

			$model['deadline_status'] = sprintf(
				_n(
					'This translation job is overdue by %s day.',
					'This translation job is overdue by %s days.',
					$overdue_days,
					'wpml-translation-management'
				),
				$overdue_days
			);

			if ( $overdue_days >= 7 ) {
				$model['promote_translation_services'] = ! $this->has_active_remote_service;
			}
		}

		return $model;
	}

	/**
	 * @param int                      $translator_id
	 * @param WPML_Translation_Job|int $job
	 *
	 * @return bool
	 */
	public function translator_removed_mail( $translator_id, $job ) {
		/** @var WPML_Translation_Job $job */
		list( $manager_id, $job ) = $this->get_mail_elements( $job );
		if ( ! $job || $manager_id == $translator_id ) {
			return false;
		}
		$translator    = new WP_User( $translator_id );
		$manager       = new WP_User( $manager_id );
		$user_language = $this->sitepress->get_user_admin_language( $manager->ID );
		$doc_title     = $job->get_title();
		$this->sitepress->switch_locale( $user_language );
		list( $lang_from, $lang_to ) = $this->get_lang_to_from( $job, $user_language );
		$mail['to']      = $translator->display_name . ' <' . $translator->user_email . '>';
		$mail['subject'] = sprintf( __( 'Removed from translation job on %s', 'wpml-translation-management' ), get_bloginfo( 'name' ) );
		$mail['body']    = sprintf(
			__( 'You have been removed from the translation job "%s" for %s to %s.', 'wpml-translation-management' ),
			$doc_title,
			$lang_from,
			$lang_to
		);
		$mail['type']    = 'translator';
		$this->enqueue_mail( $mail );
		$this->sitepress->switch_locale();

		return $mail;
	}

	/**
	 * @param int                      $translator_id
	 * @param int|WPML_Translation_Job $job_id
	 *
	 * @return array|bool
	 */
	public function translator_resign_mail( $translator_id, $job_id ) {
		/** @var WPML_Translation_Job $job */
		list( $manager_id, $job ) = $this->get_mail_elements( $job_id );
		if ( ! $job || $manager_id == $translator_id ) {
			return false;
		}
		$translator    = new WP_User( $translator_id );
		$manager       = new WP_User( $manager_id );
		$tj_url        = admin_url( 'admin.php?page=' . WPML_TM_FOLDER . '/menu/main.php&sm=jobs' );
		$doc_title     = $job->get_title();
		$user_language = $this->sitepress->get_user_admin_language( $manager->ID );
		$this->sitepress->switch_locale( $user_language );
		list( $lang_from, $lang_to ) = $this->get_lang_to_from( $job, $user_language );
		$mail = array();
		if ( $this->notification_settings['resigned'] == ICL_TM_NOTIFICATION_IMMEDIATELY ) {
			$mail['to']         = $manager->display_name . ' <' . $manager->user_email . '>';
			$mail['subject']    = sprintf( __( 'Translator has resigned from job on %s', 'wpml-translation-management' ),
			                               get_bloginfo( 'name' ) );
			$original_doc_title = $doc_title ? $doc_title : __( 'Deleted', 'wpml-translation-management');
			$mail['body']       = sprintf(
				__(
					'Translator %s has resigned from the translation job "%s" for %s to %s.%sView translation jobs: %s',
					'wpml-translation-management'
				),
				$translator->display_name,
				$original_doc_title,
				$lang_from,
				$lang_to,
				"\n",
				$tj_url
			);
			$mail['type']       = 'admin';
			$this->enqueue_mail( $mail );
		}
		//restore locale
		$this->sitepress->switch_locale();

		return $mail;
	}

	private function enqueue_mail( $mail ) {
		if ( $mail !== 'empty_queue' ) {
			$this->mail_cache[ $mail['type'] ][ $mail['to'] ][ $mail['subject'] ]['body'][] = $mail['body'];
			if ( isset( $mail['attachment'] ) ) {
				$this->mail_cache[ $mail['type'] ][ $mail['to'] ][ $mail['subject'] ]['attachment'][] = $mail['attachment'];
			}
			$this->process_mail_queue = true;
		}
	}

	/**
	 * @param int|WPML_Translation_Job $job_id
	 *
	 * @return array
	 */
	private function get_mail_elements( $job_id ) {
		$job = is_object( $job_id ) ? $job_id : $this->job_factory->get_translation_job( $job_id,
		                                                                                 false,
		                                                                                 0,
		                                                                                 true );
		if ( is_object( $job ) ) {
			$data       = $job->get_basic_data();
			$manager_id = isset( $data->manager_id ) ? $data->manager_id : - 1;
		} else {
			$job        = false;
			$manager_id = false;
		}

		return array( $manager_id, $job );
	}

	/**
	 * @param WPML_Translation_Job $job
	 * @param string               $user_language
	 *
	 * @return array
	 */
	private function get_lang_to_from( $job, $user_language ) {
		$sql       = "SELECT name FROM {$this->wpdb->prefix}icl_languages_translations WHERE language_code=%s AND display_language_code=%s LIMIT 1";
		$lang_from = $this->wpdb->get_var( $this->wpdb->prepare( $sql,
		                                                         $job->get_source_language_code(),
		                                                         $user_language ) );
		$lang_to   = $this->wpdb->get_var( $this->wpdb->prepare( $sql, $job->get_language_code(), $user_language ) );

		return array( $lang_from, $lang_to );
	}
}