do job report

	public function do_job_report()
	{
		// First check the nonce, if it fails the function will break
		// check_ajax_referer( 'expert-report-nonce', '_wpnonce' );
        $img_id = 0;
        $img_ids = [];
        if(is_uploaded_file($_FILES['report_image']['tmp_name'][0])):
        foreach($_FILES["report_image"]["tmp_name"] as $key=>$tmp_name) {
            $file_name=$_FILES["report_image"]["name"][$key];
            if($key>0){
                continue;
            }

            // WordPress environment


            $wordpress_upload_dir = wp_upload_dir();
// $wordpress_upload_dir['path'] is the full server path to wp-content/uploads/2017/05, for multisite works good as well
// $wordpress_upload_dir['url'] the absolute URL to the same folder, actually we do not need it, just to show the link to file
            $i = 1; // number of tries when the file with the same name is already exists

            $report_image = $_FILES['report_image'][$key];
            $new_file_path = $wordpress_upload_dir['path'] . '/' . $file_name;
            $new_file_mime = mime_content_type( $_FILES['report_image']['tmp_name'][$key] );


            if( $report_image['error'][$key] ){
                print_r($report_image['error']);
                die();
            }

            if( $report_image['size'] > wp_max_upload_size() )
                die( 'It is too large than expected.' );

            if( !in_array( $new_file_mime, get_allowed_mime_types() ) )
                die( 'WordPress doesn\'t allow this type of uploads.' );

            while( file_exists( $new_file_path ) ) {
                $new_file_path = $wordpress_upload_dir['path'] . '/' . $key . '_' . $report_image['name'];
            }

// looks like everything is OK
            if( move_uploaded_file(  $_FILES['report_image']['tmp_name'][$key], $new_file_path ) ) {


                $img_id = wp_insert_attachment( array(
                    'guid'           => $new_file_path,
                    'post_mime_type' => $new_file_mime,
                    'post_title'     => preg_replace( '/\.[^.]+$/', '', $report_image['name'] ),
                    'post_content'   => '',
                    'post_status'    => 'inherit'
                ), $new_file_path );

                // wp_generate_attachment_metadata() won't work if you do not include this file
                require_once( ABSPATH . 'wp-admin/includes/image.php' );

                // Generate and save the attachment metas into the database
                wp_update_attachment_metadata( $img_id, wp_generate_attachment_metadata( $img_id, $new_file_path ) );

                $img_ids[]= $img_id;
            }

        }

        endif;


		$form_data 		= sanitize( $_POST );
		$report_data 	= array(
			'title'			=> $form_data['title'],
			'description' 	=> $form_data['description'],
			'img_id'        => serialize($img_ids),
			'job_id'		=> $form_data['job_id'],
			'author_id' 	=> get_current_user_id(),
		);

		$result = $this->create($report_data);

		if ( is_wp_error( $result ) ) {
			$message 	= $result->get_error_message();
			$error 		= true;
		} else {
			$message 	= 'Report successfully submitted!';
			$error 		= false;
		}

		$response = array(
			'title'		=> 'Progress Report',
			'message'	=> $message,
			'report_id' => $report_data,
			'status'	=> $error ? 'error' : 'success'
		);

		echo json_encode($response);

		wp_die();
	}