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function ApplyCouponCode(formId) {
var couponCode = jQuery('#gf_coupon_code_' + formId).val();
if (couponCode === 'undefined' || couponCode == '') {
return;
}
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_spinner').show();
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_button').prop('disabled', true);
jQuery.post(gform_coupon_script_strings['ajaxurl'], {
action: 'gf_apply_coupon_code',
couponCode: couponCode,
existing_coupons: jQuery('#gf_coupon_codes_' + formId).val(),
formId: formId,
total: jQuery('#gf_total_no_discount_' + formId).val()
},
function (response) {
var couponInfo = jQuery.parseJSON(response);
jQuery('#gf_coupons_container_' + formId + ' .gf_coupon_invalid').remove();
jQuery('#gf_coupon_code_' + formId).val('');
if (!couponInfo['is_valid']) {
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_info').prepend("<div class='gf_coupon_invalid'><span>" + couponInfo['invalid_reason'] + '</span></div>');
} else {
window['gf_coupons' + formId] = couponInfo['coupons'];
// setting hidden field with list of coupons
var coupon,
coupon_codes = '',
i = 0;
for (coupon in window['gf_coupons' + formId]) {
if (i > 0) {
coupon_codes += ',';
}
coupon_codes += window['gf_coupons' + formId][coupon]['code'];
i++;
}
jQuery('#gf_coupon_codes_' + formId).val(coupon_codes).change();
jQuery('#gf_coupons_' + formId).val(jQuery.toJSON(window['gf_coupons' + formId]));
gformCalculateTotalPrice(formId);
}
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_spinner').hide();
}
);
}
function GetDiscount(couponType, couponAmount, price, totalDiscount) {
var discount;
price = price - totalDiscount;
if (couponType == 'flat') {
discount = Number(couponAmount);
} else {
discount = price * Number((couponAmount / 100));
}
return gform.applyFilters('gform_coupons_discount_amount', discount, couponType, couponAmount, price, totalDiscount);
}
function PopulateDiscountInfo(price, formId) {
var code,
coupon,
couponDiscount,
couponDetails = '',
totalDiscount = 0,
currency = new Currency(gf_global['gf_currency_config']);
if (window['gf_coupons' + formId] === undefined) {
window['gf_coupons' + formId] = jQuery.evalJSON(jQuery('#gf_coupons_' + formId).val());
}
for (code in window['gf_coupons' + formId]) {
coupon = window['gf_coupons' + formId][code];
couponDiscount = GetDiscount(coupon['type'], coupon['amount'], price, totalDiscount);
totalDiscount += couponDiscount;
couponDetails += '<tr class="gf_coupon_item" id="gf_coupon_' + coupon['code'] + '"><td class="gf_coupon_name_container">' +
' <a href="javascript:void(0);" onclick="DeleteCoupon(\'' + coupon['code'] + '\' , \'' + formId + '\');">(x)</a>' +
' <span class="gf_coupon_name">' + coupon['name'] + '</span>' +
'</td><td class="gf_coupon_discount_container">' +
' <span class="gf_coupon_discount">-' + currency.toMoney(couponDiscount) + '</span>' +
'</td></tr>';
}
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_info').html('<table>' + couponDetails + '</table>');
return totalDiscount;
}
function DisableApplyButton(formId) {
var is_disabled = window['new_total_' + formId] == 0 || jQuery('#gf_coupon_code_' + formId).val() == '';
if (is_disabled) {
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_button').prop('disabled', true);
} else {
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_button').prop('disabled', false);
}
}
function gform_product_total(formId, total) {
// ignore forms that don't have a coupon field
if (jQuery('#gf_coupon_code_' + formId).length == 0) {
return total;
}
jQuery('#gf_total_no_discount_' + formId).val(total);
var coupon_code = gformIsHidden(jQuery('#gf_coupon_code_' + formId)) ? '' : jQuery('#gf_coupon_codes_' + formId).val(),
has_coupon = coupon_code != '' || jQuery('#gf_coupons_' + formId).val() != '',
new_total = total;
if (has_coupon) {
var total_discount = PopulateDiscountInfo(total, formId);
new_total = total - total_discount;
}
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_spinner').hide();
window['new_total_' + formId] = new_total;
DisableApplyButton(formId);
return new_total;
}
function DeleteCoupon(code, formId) {
// check if coupon code is in the process of being applied
if (jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_spinner').is(':visible')) {
return;
}
// removing coupon from UI
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_' + code).remove();
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_spinner').show();
jQuery('#gf_coupons_container_' + formId + ' #gf_coupon_button').prop('disabled', true);
// removing coupon from coupon codes hidden input
var codes_input = jQuery('#gf_coupon_codes_' + formId),
coupon_codes = codes_input.val().split(','),
index = jQuery.inArray(code, coupon_codes);
if (index == -1) {
return;
}
coupon_codes.splice(index, 1);
codes_input.val(coupon_codes.join(',')).change();
// removing coupon from coupon details hidden input
if (code in window['gf_coupons' + formId]) {
delete window['gf_coupons' + formId][code];
jQuery('#gf_coupons_' + formId).val(jQuery.toJSON(window['gf_coupons' + formId]));
}
gformCalculateTotalPrice(formId);
}
// add support for conditional logic rules based on the applied coupons
gform.addFilter('gform_is_value_match', function (isMatch, formId, rule) {
var couponField = jQuery('#field_' + formId + '_' + rule.fieldId).find('#gf_coupon_codes_' + formId);
if (couponField.length) {
return gf_matches_operation(couponField.val(), rule.value, rule.operator);
}
return isMatch;
});
// reset coupon field when hidden by conditional logic
gform.addAction('gform_post_conditional_logic_field_action', function (formId, action, targetId, defaultValues, isInit) {
if (!isInit && action == 'hide') {
var target = jQuery(targetId),
coupon_items = target.find('tr.gf_coupon_item');
if (coupon_items.length) {
coupon_items.remove();
target.find('input[type=hidden]').val('').change();
}
}
});