Guide - add some text/html/image around Attachments area on certain ticket form [LIGHT VERSION]

guide_add_test_if_ticket_form.js

// Guide form handler script
// Applies light customisation around Attachment area on a specific ticket form
var zdFormHandler = function(){
	'use strict';
	// Parse URL for form ID
	function _getUrlParameter(name, url) {
		url = url || window.location.href;
		name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
		var regex = new RegExp('[\\?&]' + name + '=([^&#]*)','g'), result = regex.exec(url);
	return result && result.length ? result[1] : null;
	}
	// Check form config presense and run the script
	function _init(form_config) {
		if (!form_config) {
			console.log('Unable to apply form customisation as configuration file is missing, broken or can not be loaded.');
			return false;
		}
		try {
			_checkForm(form_config);
		} catch(err) {
			console.log('Unable to run the script. See error message for more details.', err);
			return false;
		}
	}
	// check if current form valid one
	function _checkForm(config) {
		var current_form_id = _getUrlParameter('ticket_form_id') || $('#request_issue_type_select').val() || $('#request_ticket_form_id').val();
		if (current_form_id == config.expected_form_id) _applyCustomisation(config);
	}
	// apply customisations
	function _applyCustomisation(config) {
		config.customisations.privacy_policy_html && $('form#new_request div.request_custom_fields_360010937194 p').html( config.customisations.privacy_policy_html );
		config.customisations.attachments_label_text && $('form#new_request #upload-dropzone').parent().find('label').text( config.customisations.attachments_label_text );
		if (config.customisations.post_attachments_html) {
			if (config.customisations.post_attachments_html.indexOf('{IMAGE_URL}') > -1) config.customisations.post_attachments_html = config.customisations.post_attachments_html.replace('{IMAGE_URL}', config.customisations.image_url_for_post_attachments_html);
			$('form#new_request #upload-dropzone').parent().append( config.customisations.post_attachments_html );
		}
		
	}
	return {
		init: _init
	}
};

// <script>
	zdFormHandler().init({
		"expected_form_id":"360000364153",
		"customisations":{
			"privacy_policy_html":"{{ dc 'guide-privacy_policy_html' }}",
			"attachments_label_text":"{{ dc 'guide-attachments_label_text' }}",
			"post_attachments_html":"{{ dc 'guide-post_attachments_html' }}",
			"image_url_for_post_attachments_html":"{{ asset 'Reklamation_image.png' }}"
		}
	});
// </script>