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(() => {
class Subscription {
constructor(containerElm) {
this.containerElm = containerElm;
const subscribeButton = containerElm.querySelector('.js-subscribe-button');
if (subscribeButton) {
// remove class so we don't bind twice
subscribeButton.classList.remove('js-subscribe-button');
subscribeButton.addEventListener('click', this.toggleSubscription.bind(this));
}
}
toggleSubscription(event) {
const button = event.currentTarget;
const buttonSpan = button.querySelector('span');
if (!buttonSpan || button.classList.contains('disabled')) {
return;
}
button.classList.add('disabled');
const isSubscribed = buttonSpan.innerHTML.trim().toLowerCase() !== 'subscribe';
const toggleActionUrl = this.containerElm.dataset.url;
$.post(toggleActionUrl, () => {
button.classList.remove('disabled');
// hack to allow this to work with the issue boards Vue object
if (document.querySelector('html').classList.contains('issue-boards-page')) {
gl.issueBoards.boardStoreIssueSet(
'subscribed',
!gl.issueBoards.BoardsStore.detail.issue.subscribed,
);
} else {
buttonSpan.innerHTML = isSubscribed ? 'Subscribe' : 'Unsubscribe';
}
});
}
static bindAll(selector) {
[].forEach.call(document.querySelectorAll(selector), elm => new Subscription(elm));
}
}
window.gl = window.gl || {};
window.gl.Subscription = Subscription;
})();
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