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Fix retry on timeout for AJAX requests

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This commit is contained in:
Omar Roth 2019-06-15 10:08:06 -05:00
parent a3164177f8
commit 552f616305
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GPG key ID: B8254FB7EC3D37F2
9 changed files with 110 additions and 53 deletions
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36
assets/js/subscribe_widget.js
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@ -7,8 +7,8 @@ if (subscribe_button.getAttribute('data-type') === 'subscribe') {
subscribe_button.onclick = unsubscribe;
}
function subscribe(timeouts = 1) {
if (timeouts >= 10) {
function subscribe(retries = 5) {
if (retries <= 0) {
console.log('Failed to subscribe.');
return;
}
@ -20,7 +20,6 @@ function subscribe(timeouts = 1) {
xhr.timeout = 20000;
xhr.open('POST', url, true);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.send('csrf_token=' + subscribe_data.csrf_token);
var fallback = subscribe_button.innerHTML;
subscribe_button.onclick = unsubscribe;
@ -35,14 +34,21 @@ function subscribe(timeouts = 1) {
}
}
xhr.ontimeout = function () {
console.log('Subscribing timed out... ' + timeouts + '/10');
subscribe(timeouts++);
xhr.onerror = function () {
console.log('Subscribing failed... ' + retries + '/5');
setTimeout(function () { subscribe(retries - 1) }, 1000);
}
xhr.ontimeout = function () {
console.log('Subscribing failed... ' + retries + '/5');
subscribe(retries - 1);
}
xhr.send('csrf_token=' + subscribe_data.csrf_token);
}
function unsubscribe(timeouts = 1) {
if (timeouts >= 10) {
function unsubscribe(retries = 5) {
if (retries <= 0) {
console.log('Failed to subscribe');
return;
}
@ -54,7 +60,6 @@ function unsubscribe(timeouts = 1) {
xhr.timeout = 20000;
xhr.open('POST', url, true);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
xhr.send('csrf_token=' + subscribe_data.csrf_token);
var fallback = subscribe_button.innerHTML;
subscribe_button.onclick = subscribe;
@ -69,8 +74,15 @@ function unsubscribe(timeouts = 1) {
}
}
xhr.ontimeout = function () {
console.log('Unsubscribing timed out... ' + timeouts + '/10');
unsubscribe(timeouts++);
xhr.onerror = function () {
console.log('Unsubscribing failed... ' + retries + '/5');
setTimeout(function () { unsubscribe(retries - 1) }, 1000);
}
xhr.ontimeout = function () {
console.log('Unsubscribing failed... ' + retries + '/5');
unsubscribe(retries - 1);
}
xhr.send('csrf_token=' + subscribe_data.csrf_token);
}