option to hide enq button for product on the loop pages

gistfile1.txt

class PIE_Disable_Archive_Enquiry {

	private static $instance = null;
	public $loop_product_enquiry_position;
	public $add_to_enquiry_text_loop_variable;

	public static function instance() {
		return self::$instance ?: self::$instance = new self();
	}

	private function __construct() {
		$this->loop_product_enquiry_position = get_option('pi_eqw_enquiry_loop_position','woocommerce_after_shop_loop_item');
		$this->add_to_enquiry_text_loop_variable = get_option('pi_eqw_enquiry_loop_button_text_variable','Add to Enquiry');
		add_action( 'add_meta_boxes', [ $this, 'add_metabox' ] );
		add_action( 'save_post_product', [ $this, 'save' ] );
		add_filter('pisol_eqw_show_enq_on_loop_page',[$this, 'disable'], 10, 2);
		add_action($this->loop_product_enquiry_position, array($this,'add_loop_enquiry_button'), 50 );
	}
	
	function add_loop_enquiry_button() {
		global $product;
		$product_id = $product->get_id();
		$disable = get_post_meta( $product_id, '_pie_disable_archive_enquiry', true );
		if(empty($disable)) return;
		
		echo '<div style="margin-bottom:10px; text-align:center; width:100%;">';
        $button_txt = $this->add_to_enquiry_text_loop_variable;
        echo '<a class="button pi-custom-button add-to-enquiry-loop pi-enq-product-'.esc_attr($product->get_id()).'" href="'.$product->get_permalink().'">'.esc_html($button_txt).'</a>';
        echo '</div>';
	}
	
	function disable($enable, $product){
		$product_id = $product->get_id();
		$disable = get_post_meta( $product_id, '_pie_disable_archive_enquiry', true );
		if(!empty($disable)) return false;
		
		return $enable;
	}

	public function add_metabox() {

		add_meta_box(
			'pie_disable_archive_enquiry',
			__( 'Enquiry Settings', 'textdomain' ),
			[ $this, 'metabox_html' ],
			'product',
			'side'
		);
	}

	public function metabox_html( $post ) {

		if ( 'simple' !== get_post_type_object( $post->post_type ) ? '' : wc_get_product( $post->ID )->get_type() ) {
			echo '<p>' . esc_html__( 'Only for simple products.', 'textdomain' ) . '</p>';
			return;
		}

		wp_nonce_field( 'pie_save_archive_enquiry', 'pie_archive_enquiry_nonce' );

		$value = get_post_meta( $post->ID, '_pie_disable_archive_enquiry', true );

		?>
		<label>
			<input type="checkbox" name="_pie_disable_archive_enquiry" value="1" <?php checked( $value, '1' ); ?> />
			<?php esc_html_e( 'Disable Add to Enquiry on Archive Page', 'textdomain' ); ?>
		</label>
		<?php
	}

	public function save( $post_id ) {

		if (
			! isset( $_POST['pie_archive_enquiry_nonce'] ) ||
			! wp_verify_nonce( $_POST['pie_archive_enquiry_nonce'], 'pie_save_archive_enquiry' )
		) {
			return;
		}

		update_post_meta(
			$post_id,
			'_pie_disable_archive_enquiry',
			isset( $_POST['_pie_disable_archive_enquiry'] ) ? '1' : ''
		);
	}
}

PIE_Disable_Archive_Enquiry::instance();