Sindbad~EG File Manager

<?php

namespace RealPress\Controllers;

use RealPress\Helpers\Template;
use RealPress\Helpers\Page;
use RealPress\Helpers\RestApi;
use RealPress\Models\UserModel;
use WP_REST_Server;

class ContactFormController {
	/**
	 * @return ContactFormController|null
	 */
	public static function instance() {
		static $instance = null;

		if ( is_null( $instance ) ) {
			$instance = new self();
		}

		return $instance;
	}

	public function __construct() {
		add_action( 'rest_api_init', array( $this, 'register_rest_routes' ) );
		add_action( 'wp_footer', array( $this, 'add_contact_form_popup' ) );
	}

	/**
	 * @return void
	 */
	public function register_rest_routes() {
		do_action( 'realpress/rest-api/before-register' );

		register_rest_route(
			RestApi::generate_namespace(),
			'/contact-form',
			array(
				'methods'             => WP_REST_Server::CREATABLE,
				'callback'            => array( $this, 'send_message' ),
				'permission_callback' => '__return_true',
			),
		);
	}

	/**
	 * @param \WP_REST_Request $request
	 *
	 * @return \WP_REST_Response
	 */
	public function send_message( \WP_REST_Request $request ) {
		$nonce = $request->get_header( 'X-WP-Nonce' );

		if ( ! wp_verify_nonce( $nonce, 'wp_rest' ) ) {
			return RestApi::error( esc_html__( 'Invalid.', 'realpress' ), 403 );
		}

		$params   = $request->get_params();
		$agent_id = $params['agent_id'] ?? '';
		$user     = get_userdata( $agent_id );
		if ( empty( $user ) ) {
			return RestApi::error( esc_html__( 'The agent does not exist.', 'realpress' ), 400 );
		}

		$email_target = $user->user_email;

		if ( empty( $params['name'] ) ) {
			return RestApi::error( esc_html__( 'The name field is required.', 'realpress' ), 400 );
		}

		if ( empty( $params['phone'] ) ) {
			return RestApi::error( esc_html__( 'The phone field is required.', 'realpress' ), 400 );
		}

		if ( empty( $params['email'] ) ) {
			return RestApi::error( esc_html__( 'The email field is required.', 'realpress' ), 400 );
		}

		if ( ! is_email( $params['email'] ) ) {
			return RestApi::error( esc_html__( 'The email is invalid.', 'realpress' ), 400 );
		}

		if ( empty( $params['message'] ) ) {
			return RestApi::error( esc_html__( 'The message field is required.', 'realpress' ), 400 );
		}

		if ( empty( $params['terms_and_conditions'] ) ) {
			return RestApi::error( esc_html__( 'Please accept the Terms and Conditions.', 'realpress' ), 400 );
		}

		$args = array(
			'name'    => $params['name'],
			'phone'   => $params['phone'],
			'email'   => $params['email'],
			'message' => $params['message'],
		);

		$subject = $this->generate_email_subject( $args );
		$content = $this->generate_email_content( $args );

		$header = $this->get_email_header();
		if ( $params['cc_admin'] === 'on' ) {
			$header[] = 'Cc: ' . get_option( 'admin_email' );
		}

		$send_message = wp_mail( $email_target, $subject, $content, $header );

		if ( $send_message ) {
			return RestApi::success( esc_html__( 'Email sent successfully.', 'realpress' ) );
		} else {
			return RestApi::error( esc_html__( 'Make sure the Email function is working on your server.', 'realpress' ), 422 );
		}
	}

	/**
	 * @return void
	 */
	public function add_contact_form_popup() {
		if ( ! Page::is_agent_detail_page() ) {
			return;
		}
		$agent_id     = get_queried_object()->ID;
		$avatar_url   = UserModel::get_user_avatar_url( $agent_id );
		$display_name = UserModel::get_field( $agent_id, 'display_name' );
		?>
		<div class="realpress-agent-contact-form">
			<div class="realpress-agent-contact-form-inner">
				<span class="realpress-agent-contact-form-close"><i class="rp-times-circle"></i></span>
				<?php do_action( 'realpress/contact_form_popup/class/before' ); ?>
				<div class="realpress-agent-contact-form-header">
					<img src="<?php echo esc_attr( $avatar_url ); ?>" alt="<?php echo esc_attr( $display_name ); ?>">
					<span><?php echo esc_html( $display_name ); ?></span>
				</div>
				<?php
				do_action( 'realpress/contact_form_popup/class/after' );
				$data = array( 'user_id' => $agent_id );
				Template::instance()->get_frontend_template_type_classic( 'shortcodes/contact-form.php', compact( 'data' ) );
				?>
			</div>
		</div>
		<?php
	}

	/**
	 * @return mixed|void
	 */
	public function get_email_header() {
		return apply_filters( 'realpress/filter/agent-contact-form/email/headers', array( 'Content-Type: text/html;' ) );
	}

	/**
	 * @param $args
	 *
	 * @return mixed|void
	 */
	public function generate_email_subject( $args ) {
		$subject = '';

		if ( ! empty( $args['name'] ) ) {
			$subject = sprintf( esc_html__( 'A new message was sent by %s using the Agent contact form.', 'realpress' ), $args['name'] );
		}

		return apply_filters( 'realpress/filter/agent-contact-form/email/subject', $subject, $args );
	}

	public function generate_email_content( $args ) {
		$content = '';
		if ( ! empty( $args['name'] ) ) {
			$content .= sprintf( esc_html__( 'You have received a new message from: %s', 'realpress' ), $args['name'] );
			$content .= '<br>';
		}
		if ( ! empty( $args['phone'] ) ) {
			$content .= sprintf( esc_html__( 'Phone: %s', 'realpress' ), $args['phone'] );
			$content .= '<br>';
		}

		if ( ! empty( $args['email'] ) ) {
			$content .= sprintf( esc_html__( 'Email: %s', 'realpress' ), $args['email'] );
			$content .= '<br>';
		}

		if ( ! empty( $args['message'] ) ) {
			$content .= sprintf( esc_html__( 'Message: %s', 'realpress' ), $args['message'] );
			$content .= '<br>';
		}

		return apply_filters( 'realpress/filter/agent-contact-form/email/content', $content, $args );
	}
}