Opal-Estate-Pro/inc/email/class-opalestate-email-notifycation.php

<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * @class   OpalEstate_Send_Email_Notification
 */
class OpalEstate_Send_Email_Notification extends OpalEstate_Abstract_Email_Template {

	public $type = '';

	public function set_type( $content ) {
		$type = '';
		if ( isset( $content['type'] ) && 'send_enquiry' === $content['type'] ) {
			$type = 'enquiry';
		}

		$this->type = $type;
	}

	/**
	 * Send Email
	 */
	public function get_subject() {
		switch ( $this->type ) {
			case 'enquiry':

				$subject = html_entity_decode( esc_html__( 'You got a message enquiry', 'opalestate-pro' ) );
				$subject = opalestate_options( 'enquiry_email_subject', $subject );

				break;

			default:

				$subject = html_entity_decode( esc_html__( 'You got a message contact', 'opalestate-pro' ) );
				$subject = opalestate_options( 'contact_email_subject', $subject );

				break;
		}

		return $this->replace_tags( $subject );
	}

	/**
	 * Send Email.
	 */
	public function get_content_template() {
		switch ( $this->type ) {
			case 'enquiry':
				return opalestate_options( 'enquiry_email_body', self::get_default_template( 'enquiry' ) );
				break;
			default:
				return opalestate_options( 'contact_email_body', self::get_default_template() );
				break;
		}
	}

	public function to_email() {
		return $this->args ['receiver_email'];
	}

	public function cc_email() {
		return $this->args ['sender_email'];
	}

	public function get_body() {
		$this->args['email'] = $this->args['sender_email'];

		return parent::get_body();
	}

	/**
	 * Get default template.
	 *
	 * @param string $type
	 * @return string
	 */
	public static function get_default_template( $type = 'contact' ) {
		if ( $type == 'enquiry' ) {
			return opalestate_load_template_path( 'emails/enquiry' );
		}

		return opalestate_load_template_path( 'emails/contact' );
	}
}