https://www.pinglighting.com/modules/ps_checkout/views/js/amountMismatchRecovery.js?version=7.5.5.3.1787622110

1(function () {
2    'use strict';
3
4    // An approved PayPal order cannot be repriced. Cancel the stale local
5    // checkout session and reload so the SDK creates a new order from the
6    // current cart instead of leaving the customer at a terminal error.
7    if (!window.fetch || !window.ps_checkoutValidateUrl || !window.ps_checkoutCancelUrl) {
8        return;
9    }
10
11    var nativeFetch = window.fetch.bind(window);
12    var recoveryStarted = false;
13    var recoveryStorageKey = 'ps_checkout_amount_mismatch_recovery';
14    var recoveryWindow = 5 * 60 * 1000;
15
16    function isSameUrl(first, second) {
17        try {
18            return new URL(first, window.location.href).href === new URL(second, window.location.href).href;
19        } catch (e) {
20            return first === second;
21        }
22    }
23
24    function clearRecoveryAttempt() {
25        try {
26            window.sessionStorage.removeItem(recoveryStorageKey);
27        } catch (e) {
28            // Checkout still works when session storage is unavailable.
29        }
30    }
31
32    function reserveRecoveryAttempt() {
33        try {
34            var previousAttempt = parseInt(window.sessionStorage.getItem(recoveryStorageKey), 10);
35            var now = Date.now();
36
37            if (previousAttempt && now - previousAttempt < recoveryWindow) {
38                return false;
39            }
40
41            window.sessionStorage.setItem(recoveryStorageKey, String(now));
42        } catch (e) {
43            // In private/restricted contexts, the in-page guard still prevents
44            // duplicate recovery requests.
45        }
46
47        return true;
48    }
49
50    window.fetch = function (input, init) {
51        var requestUrl = typeof input === 'string' ? input : input && input.url;
52        var requestBody = init && init.body;
53
54        return nativeFetch(input, init).then(function (response) {
55            if (!isSameUrl(requestUrl, window.ps_checkoutValidateUrl)) {
56                return response;
57            }
58
59            if (response.ok) {
60                clearRecoveryAttempt();
61                return response;
62            }
63
64            if (!response.clone) {
65                return response;
66            }
67
68            response.clone().json().then(function (payload) {
69                var error = payload && payload.body && payload.body.error;
70
71                if (!error || String(error.code) !== '43' || !requestBody || recoveryStarted) {
72                    return;
73                }
74
75                var checkoutData;
76                try {
77                    checkoutData = JSON.parse(requestBody);
78                } catch (e) {
79                    return;
80                }
81
82                if (!checkoutData.orderID) {
83                    return;
84                }
85
86                if (!reserveRecoveryAttempt()) {
87                    return;
88                }
89
90                recoveryStarted = true;
91                checkoutData.reason = 'amount_mismatch_recovery';
92                checkoutData.orderStatus = 'CANCELED';
93
94                var reloadStarted = false;
95                var reloadCheckout = function () {
96                    if (reloadStarted) {
97                        return;
98                    }
99
100                    reloadStarted = true;
101                    window.location.reload();
102                };
103
104                nativeFetch(window.ps_checkoutCancelUrl, {
105                    method: 'post',
106                    credentials: 'same-origin',
107                    headers: {
108                        'Content-Type': 'application/json',
109                        Accept: 'application/json'
110                    },
111                    body: JSON.stringify(checkoutData)
112                }).then(reloadCheckout, reloadCheckout);
113
114                window.setTimeout(reloadCheckout, 1500);
115            });
116
117            return response;
118        });
119    };
120}());