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js code rewrite. Created _helpers.js with XHR and storage wrapper

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This commit is contained in:
meow
2022-05-06 04:46:59 +03:00
parent ef8c7184de
commit 7dd699370f
23 changed files with 735 additions and 901 deletions
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92
assets/js/subscribe_widget.js
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@ -1,8 +1,9 @@
'use strict';
var subscribe_data = JSON.parse(document.getElementById('subscribe_data').textContent);
var payload = 'csrf_token=' + subscribe_data.csrf_token;
var subscribe_button = document.getElementById('subscribe');
subscribe_button.parentNode['action'] = 'javascript:void(0)';
subscribe_button.parentNode.action = 'javascript:void(0)';
if (subscribe_button.getAttribute('data-type') === 'subscribe') {
subscribe_button.onclick = subscribe;
@ -10,87 +11,34 @@ if (subscribe_button.getAttribute('data-type') === 'subscribe') {
subscribe_button.onclick = unsubscribe;
}
function subscribe(retries) {
if (retries === undefined) retries = 5;
if (retries <= 0) {
console.warn('Failed to subscribe.');
return;
}
var url = '/subscription_ajax?action_create_subscription_to_channel=1&redirect=false' +
'&c=' + subscribe_data.ucid;
var xhr = new XMLHttpRequest();
xhr.responseType = 'json';
xhr.timeout = 10000;
xhr.open('POST', url, true);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
function subscribe() {
var fallback = subscribe_button.innerHTML;
subscribe_button.onclick = unsubscribe;
subscribe_button.innerHTML = '<b>' + subscribe_data.unsubscribe_text + ' | ' + subscribe_data.sub_count_text + '</b>';
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status !== 200) {
subscribe_button.onclick = subscribe;
subscribe_button.innerHTML = fallback;
}
var url = '/subscription_ajax?action_create_subscription_to_channel=1&redirect=false' +
'&c=' + subscribe_data.ucid;
helpers.xhr('POST', url, {payload: payload, retries: 5, entity_name: 'subscribe request'}, {
onNon200: function (xhr) {
subscribe_button.onclick = subscribe;
subscribe_button.innerHTML = fallback;
}
};
xhr.onerror = function () {
console.warn('Subscribing failed... ' + retries + '/5');
setTimeout(function () { subscribe(retries - 1); }, 1000);
};
xhr.ontimeout = function () {
console.warn('Subscribing failed... ' + retries + '/5');
subscribe(retries - 1);
};
xhr.send('csrf_token=' + subscribe_data.csrf_token);
});
}
function unsubscribe(retries) {
if (retries === undefined)
retries = 5;
if (retries <= 0) {
console.warn('Failed to subscribe');
return;
}
var url = '/subscription_ajax?action_remove_subscriptions=1&redirect=false' +
'&c=' + subscribe_data.ucid;
var xhr = new XMLHttpRequest();
xhr.responseType = 'json';
xhr.timeout = 10000;
xhr.open('POST', url, true);
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
function unsubscribe() {
var fallback = subscribe_button.innerHTML;
subscribe_button.onclick = subscribe;
subscribe_button.innerHTML = '<b>' + subscribe_data.subscribe_text + ' | ' + subscribe_data.sub_count_text + '</b>';
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status !== 200) {
subscribe_button.onclick = unsubscribe;
subscribe_button.innerHTML = fallback;
}
var url = '/subscription_ajax?action_remove_subscriptions=1&redirect=false' +
'&c=' + subscribe_data.ucid;
helpers.xhr('POST', url, {payload: payload, retries: 5, entity_name: 'unsubscribe request'}, {
onNon200: function (xhr) {
subscribe_button.onclick = unsubscribe;
subscribe_button.innerHTML = fallback;
}
};
xhr.onerror = function () {
console.warn('Unsubscribing failed... ' + retries + '/5');
setTimeout(function () { unsubscribe(retries - 1); }, 1000);
};
xhr.ontimeout = function () {
console.warn('Unsubscribing failed... ' + retries + '/5');
unsubscribe(retries - 1);
};
xhr.send('csrf_token=' + subscribe_data.csrf_token);
});
}