Populate Tributes from URL parameters

populate-tributes-from-url.php

/**
* EXAMPLE: https://example.com/donations/give-form/?tribute=yes&first=Peter&last=Joseph
**/

add_action( 'givewp_donation_form_enqueue_scripts', function(){
    ?>
      <script>
		document.addEventListener("DOMContentLoaded", function () {
			  // Helper function to get URL parameters
			  function getUrlParam(param) {
				const params = new URLSearchParams(window.parent.location.search);
				return params.get(param);
			  }

			  const tribute = getUrlParam("tribute");
			  const first = getUrlParam("first");
			  const last = getUrlParam("last");

			  // If tribute=yes, click the radio button with ID enableTribute_0
			  if (tribute === "yes") {
				const radio = document.getElementById("enableTribute_0");
				if (radio) {
				  radio.click();
					// Fill the input with name=tributeFirstName
				  const firstNameInput = document.querySelector("input[name='tributeFirstName']");
				  if (firstNameInput && first) {
					firstNameInput.value = first;
				  }
					// Fill the input with name=tributeLastName
				  const lastNameInput = document.querySelector("input[name='tributeLastName']");
				  if (lastNameInput && last) {
					lastNameInput.value = last;
				  }
					
				}
			  }
			  
		});

    </script>
<?php
});