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/**
* Interactions.
*/
import { fetchJson } from './utils/requests';
import { $$ } from './utils/dom';
const endpoints = {
fave: `${window.booru.apiEndpoint}interactions/fave`,
vote: `${window.booru.apiEndpoint}interactions/vote`,
hide: `${window.booru.apiEndpoint}interactions/hide`,
};
const spoilerDownvoteMsg =
'Neigh! - Remove spoilered tags from your filters to downvote from thumbnails';
/* Quick helper function to less verbosely iterate a QSA */
function onImage(id, selector, cb) {
[].forEach.call(
$$(`.js-post-root[data-post-id="${id}"]`).map(elem => elem.querySelector(selector)).filter(elem => elem !== null), cb);
}
function setScore(imageId, data) {
onImage(imageId, '.score',
el => el.textContent = data.score);
onImage(imageId, '.votes',
el => el.textContent = data.votes);
onImage(imageId, '.favorites',
el => el.textContent = data.favourites);
onImage(imageId, '.upvotes',
el => el.textContent = data.upvotes);
onImage(imageId, '.downvotes',
el => el.textContent = data.downvotes);
}
/* These change the visual appearance of interaction links.
* Their classes also effect their behavior due to event delegation. */
function showUpvoted(imageId) {
onImage(imageId, '.interaction--upvote',
el => el.classList.add('active'));
}
function showDownvoted(imageId) {
onImage(imageId, '.interaction--downvote',
el => el.classList.add('active'));
}
function showFaved(imageId) {
onImage(imageId, '.interaction--fave',
el => el.classList.add('active'));
}
function showHidden(imageId) {
onImage(imageId, '.interaction--hide',
el => el.classList.add('active'));
}
function resetVoted(imageId) {
onImage(imageId, '.interaction--upvote',
el => el.classList.remove('active'));
onImage(imageId, '.interaction--downvote',
el => el.classList.remove('active'));
}
function resetFaved(imageId) {
onImage(imageId, '.interaction--fave',
el => el.classList.remove('active'));
}
function resetHidden(imageId) {
onImage(imageId, '.interaction--hide',
el => el.classList.remove('active'));
}
function interact(type, imageId, value) {
return fetchJson('PUT', endpoints[type], {
class: 'Post', id: imageId, value
})
.then(res => res.json())
.then(res => setScore(imageId, res));
}
function displayInteractionSet(interactions) {
interactions.forEach(i => {
switch (i.interaction_type) {
case 'faved':
showFaved(i.post_id);
break;
case 'hidden':
showHidden(i.post_id);
break;
default:
if (i.value === 'up') showUpvoted(i.post_id);
if (i.value === 'down') showDownvoted(i.post_id);
}
});
}
function loadInteractions() {
/* Set up the actual interactions */
displayInteractionSet(window.booru.interactions);
/* Next part is only for image index pages
* TODO: find a better way to do this */
if (!document.getElementById('imagelist_container')) return;
/* Users will blind downvote without this */
window.booru.imagesWithDownvotingDisabled.forEach(i => {
onImage(i, '.interaction--downvote', a => {
// TODO Use a 'js-' class to target these instead
const icon = a.querySelector('i') || a.querySelector('.oc-icon-small');
icon.setAttribute('title', spoilerDownvoteMsg);
a.classList.add('disabled');
a.addEventListener('click', event => {
event.stopPropagation();
event.preventDefault();
}, true);
});
});
}
const interactionActions = {
u(postId, newState) {
interact('vote', postId, newState ? 'up' : 'false').then(() => {
resetVoted(postId);
if (newState) showUpvoted(postId);
});
},
d(postId, newState) {
interact('vote', postId, newState ? 'down' : 'false').then(() => {
resetVoted(postId);
if (newState) showDownvoted(postId);
});
},
f(postId, newState) {
interact('fave', postId, newState ? 'true' : 'false')
.then(() => { if (newState) { resetVoted(postId); showUpvoted(postId); showFaved(postId); } else { resetFaved(postId); } });
},
h(postId, newState) {
interact('hide', postId, newState ? 'true' : 'false')
.then(() => { if (newState) { showHidden(postId); } else { resetHidden(postId); } });
}
};
function bindInteractions() {
[].forEach.call($$('.interaction--upvote, .interaction--downvote, .interaction--fave, .interaction--hide'), elem => {
elem.addEventListener('click', evt => {
if (evt.button !== 0) return; /* Skip anything but a left click */
evt.preventDefault();
const evtButton = evt.target.closest('button');
const evtMediaBox = evtButton.closest('.js-post-root');
const evtPostId = evtMediaBox.dataset.postId;
const interaction = evtButton.getAttribute('value');
interactionActions[interaction](evtPostId, !evtButton.classList.contains('active'));
})
});
}
function loggedOutInteractions() {
[].forEach.call(document.querySelectorAll('.interaction--fave,.interaction--upvote,.interaction--downvote'),
a => a.setAttribute('href', '/users/sign_in'));
}
function setupInteractions() {
if (window.booru.userIsSignedIn) {
bindInteractions();
loadInteractions();
}
else {
loggedOutInteractions();
}
}
export { setupInteractions, displayInteractionSet };
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