docbrown/app/assets/javascripts/initializers/initScrolling.js
ludwiczakpawel ca108aa9c8
Videos UI update (#15177)
* videos ui updates

* move cheese around

* .

* .

* thumbnail yolo

* thumbnail yolo

* object fit

* aspect ratio yolo

* .

* loading videos

* Make Travis and asset pipeline happy with .mp4 extension

* Use Cloudinary video url, testing for Travis

* Try weird things

* Try a real image url

* Use a real image instead of 'video' string

* Update views.scss

Co-authored-by: Andy Z <17884966+Zhao-Andy@users.noreply.github.com>
2021-10-28 09:34:44 +02:00

420 lines
12 KiB
JavaScript

/* global insertAfter, insertArticles, buildArticleHTML, nextPage:writable, fetching:writable, done:writable, InstantClick */
var client;
function fetchNext(el, endpoint, insertCallback) {
var indexParams = JSON.parse(el.dataset.params);
var urlParams = Object.keys(indexParams)
.map(function handleMap(k) {
return encodeURIComponent(k) + '=' + encodeURIComponent(indexParams[k]);
})
.join('&');
if (urlParams.indexOf('q=') > -1) {
return;
}
var fetchUrl = (
endpoint +
'?page=' +
nextPage +
'&' +
urlParams +
'&signature=' +
parseInt(Date.now() / 400000, 10)
).replace('&&', '&');
window
.fetch(fetchUrl)
.then(function handleResponse(response) {
response.json().then(function insertEntries(entries) {
nextPage += 1;
insertCallback(entries);
if (entries.length === 0) {
const loadingElement = document.getElementById('loading-articles');
if (loadingElement) {
loadingElement.style.display = 'none';
}
done = true;
}
});
})
.catch(function logError(err) {
// eslint-disable-next-line no-console
console.log(err);
});
}
function insertNext(params, buildCallback) {
return function insertEntries(entries = []) {
var list = document.getElementById(params.listId || 'sublist');
var newFollowersHTML = '';
entries.forEach(function insertAnEntry(entry) {
let existingEl = document.getElementById(
(params.elId || 'element') + '-' + entry.id,
);
if (!existingEl) {
var newHTML = buildCallback(entry);
newFollowersHTML += newHTML;
}
});
var followList = document.getElementById('following-wrapper');
if (followList) {
followList.insertAdjacentHTML('beforeend', newFollowersHTML);
}
if (nextPage > 0) {
fetching = false;
}
};
}
function buildFollowsHTML(follows) {
return (
'<div class="crayons-card p-4 m:p-6 flex s:grid single-article" id="follows-' +
follows.id +
'">' +
'<a href="' +
follows.path +
'" class="crayons-avatar crayons-avatar--2xl s:mb-2 s:mx-auto">' +
'<img alt="@' +
follows.username +
' profile image" class="crayons-avatar__image" src="' +
follows.profile_image +
'" />' +
'</a>' +
'<div class="pl-4 s:pl-0 self-center">' +
'<h3 class="s:mb-1 p-0">' +
'<a href="' +
follows.path +
'">' +
follows.name +
'</a>' +
'</h3>' +
'<p class="s:mb-4">' +
'<a href="' +
follows.path +
'" class="crayons-link crayons-link--secondary">' +
'@' +
follows.username +
'</a>' +
'</p>' +
'</div>' +
'</div>'
);
}
function buildTagsHTML(tag) {
var antifollow = '';
if (tag.points < 0) {
antifollow =
'<span class="crayons-indicator crayons-indicator--critical crayons-indicator--outlined" title="This tag has negative follow weight">Anti-follow</span>';
}
return `<div class="crayons-card p-4 m:p-6 flex flex-col single-article" id="follows-${tag.id}" style="border: 1px solid ${tag.color}; box-shadow: 3px 3px 0 ${tag.color}">
<h3 class="s:mb-1 p-0 fw-medium">
<a href="/t/${tag.name}" class="crayons-tag crayons-tag--l">
<span class="crayons-tag__prefix">#</span>${tag.name}
</a>
${antifollow}
</h3>
<p class="grid-cell__summary truncate-at-3"></p>
<input name="follows[][id]" id="follow_id_${tag.name}" type="hidden" form="follows_update_form" value="${tag.id}">
<input step="any" class="crayons-textfield flex-1 fs-s" required="required" type="number" form="follows_update_form" value="${tag.points}" name="follows[][explicit_points]" id="follow_points_${tag.name}" aria-label="${tag.name} tag weight">
</div>`;
}
function fetchNextFollowingPage(el) {
var indexParams = JSON.parse(el.dataset.params);
var action = indexParams.action;
if (action.includes('users')) {
fetchNext(
el,
'/followings/users',
insertNext({ elId: 'follows' }, buildFollowsHTML),
);
} else if (action.includes('podcasts')) {
fetchNext(
el,
'/followings/podcasts',
insertNext({ elId: 'follows' }, buildFollowsHTML),
);
} else if (action.includes('organizations')) {
fetchNext(
el,
'/followings/organizations',
insertNext({ elId: 'follows' }, buildFollowsHTML),
);
} else {
fetchNext(
el,
'/followings/tags',
insertNext({ elId: 'follows' }, buildTagsHTML),
);
}
}
function fetchNextFollowersPage(el) {
fetchNext(
el,
'/api/followers/users',
insertNext({ elId: 'follows' }, buildFollowsHTML),
);
}
function buildVideoArticleHTML(videoArticle) {
return `<a href="${videoArticle.path}" id="video-article-${videoArticle.id}" class="crayons-card media-card">
<div class="media-card__artwork">
<img src="${videoArticle.cloudinary_video_url}" class="w-100 object-cover block aspect-16-9 h-auto" width="320" height="180" alt="${videoArticle.title}">
<span class="media-card__artwork__badge">${videoArticle.video_duration_in_minutes}</span>
</div>
<div class="media-card__content">
<h2 class="fs-base mb-2 fw-medium">${videoArticle.title}</h2>
<small class="fs-s">
${videoArticle.user.name}
</small>
</div>
</a>`;
}
function insertVideos(videoArticles) {
var list = document.getElementById('subvideos');
var newVideosHTML = '';
videoArticles.forEach(function insertAVideo(videoArticle) {
var existingEl = document.getElementById(
'video-article-' + videoArticle.id,
);
if (!existingEl) {
var newHTML = buildVideoArticleHTML(videoArticle);
newVideosHTML += newHTML;
}
});
var distanceFromBottom =
document.documentElement.scrollHeight - document.body.scrollTop;
var parentNode = document.querySelector('.js-video-collection');
var frag = document.createRange().createContextualFragment(newVideosHTML);
parentNode.appendChild(frag);
if (nextPage > 0) {
fetching = false;
}
}
function fetchNextVideoPage(el) {
fetchNext(el, '/api/videos', insertVideos);
}
function insertArticles(articles) {
var list = document.getElementById('substories');
var newArticlesHTML = '';
var el = document.getElementById('home-articles-object');
if (el) {
el.outerHTML = '';
}
articles.forEach(function insertAnArticle(article) {
var existingEl = document.getElementById('article-link-' + article.id);
if (
![
'/',
'/top/week',
'/top/month',
'/top/year',
'/top/infinity',
'/latest',
].includes(window.location.pathname) &&
existingEl &&
existingEl.parentElement &&
existingEl.parentElement.classList.contains('crayons-story') &&
!document.getElementById('video-player-' + article.id)
) {
existingEl.parentElement.outerHTML = buildArticleHTML(article);
} else if (!existingEl) {
var newHTML = buildArticleHTML(article);
newArticlesHTML += newHTML;
initializeReadingListIcons();
}
});
var distanceFromBottom =
document.documentElement.scrollHeight - document.body.scrollTop;
var newNode = document.createElement('div');
newNode.classList.add('paged-stories');
newNode.innerHTML = newArticlesHTML;
newNode.addEventListener('click', (event) => {
const { classList } = event.target;
// This looks a little messy, but it's the only
// way to make the entire card clickable.
if (
classList.contains('crayons-story') ||
classList.contains('crayons-story__top') ||
classList.contains('crayons-story__body') ||
classList.contains('crayons-story__indention') ||
classList.contains('crayons-story__title') ||
classList.contains('crayons-story__tags') ||
classList.contains('crayons-story__bottom')
) {
let element = event.target;
let { articlePath } = element.dataset;
while (!articlePath) {
articlePath = element.dataset.articlePath;
element = element.parentElement;
}
InstantClick.preload(articlePath);
InstantClick.display(articlePath);
}
});
var singleArticles = document.querySelectorAll(
'.single-article, .crayons-story',
);
var lastElement = singleArticles[singleArticles.length - 1];
insertAfter(newNode, lastElement);
if (nextPage > 0) {
fetching = false;
}
}
function paginate(tag, params, requiresApproval) {
const searchHash = Object.assign(
{ per_page: 15, page: nextPage },
JSON.parse(params),
);
if (tag && tag.length > 0) {
searchHash.tag_names = searchHash.tag_names || [];
searchHash.tag_names.push(tag);
}
searchHash.approved = requiresApproval === 'true' ? 'true' : '';
var homeEl = document.getElementById('index-container');
if (homeEl.dataset.feed === 'base-feed') {
searchHash.class_name = 'Article';
} else if (homeEl.dataset.feed === 'latest') {
searchHash.class_name = 'Article';
searchHash.sort_by = 'published_at';
} else {
searchHash.class_name = 'Article';
searchHash['published_at[gte]'] = homeEl.dataset.articlesSince;
searchHash.sort_by = 'public_reactions_count';
}
// Brute force copying code from a utlity for quick fix
const searchParams = new URLSearchParams();
Object.keys(searchHash).forEach((key) => {
const value = searchHash[key];
if (Array.isArray(value)) {
value.forEach((arrayValue) => {
searchParams.append(`${key}[]`, arrayValue);
});
} else {
searchParams.append(key, value);
}
});
fetch(`/search/feed_content?${searchParams.toString()}`, {
method: 'GET',
headers: {
Accept: 'application/json',
'X-CSRF-Token': window.csrfToken,
'Content-Type': 'application/json',
},
credentials: 'same-origin',
})
.then((response) => response.json())
.then((content) => {
nextPage += 1;
insertArticles(content.result);
const checkBlockedContentEvent = new CustomEvent('checkBlockedContent');
window.dispatchEvent(checkBlockedContentEvent);
initializeReadingListIcons();
if (content.result.length === 0) {
const loadingElement = document.getElementById('loading-articles');
if (loadingElement) {
loadingElement.style.display = 'none';
}
done = true;
}
});
}
function fetchNextPageIfNearBottom() {
var indexContainer = document.getElementById('index-container');
var elCheck = indexContainer && !document.getElementById('query-wrapper');
if (!elCheck) {
return;
}
var indexWhich = indexContainer.dataset.which;
var fetchCallback;
var scrollableElem;
if (indexWhich === 'videos') {
scrollableElem = document.getElementById('main-content');
fetchCallback = function fetch() {
fetchNextVideoPage(indexContainer);
};
} else if (indexWhich === 'followers') {
scrollableElem = document.getElementById('user-dashboard');
fetchCallback = function fetch() {
fetchNextFollowersPage(indexContainer);
};
} else if (indexWhich === 'following') {
scrollableElem = document.getElementById('user-dashboard');
fetchCallback = function fetch() {
fetchNextFollowingPage(indexContainer);
};
} else {
scrollableElem =
document.getElementById('main-content') ||
document.getElementById('articles-list');
fetchCallback = function fetch() {
paginate(
indexContainer.dataset.tag,
indexContainer.dataset.params,
indexContainer.dataset.requiresApproval,
);
};
}
if (
!done &&
!fetching &&
window.scrollY > scrollableElem.scrollHeight - 3700
) {
fetching = true;
fetchCallback();
}
}
function checkIfNearBottomOfPage() {
const loadingElement = document.getElementById('loading-articles');
if (
(document.getElementsByClassName('crayons-story').length < 2 &&
document.getElementsByClassName('single-article').length < 2) ||
window.location.search.indexOf('q=') > -1
) {
if (loadingElement) {
loadingElement.style.display = 'none';
}
done = true;
} else if (loadingElement) {
loadingElement.style.display = 'block';
}
fetchNextPageIfNearBottom();
setInterval(function handleInterval() {
fetchNextPageIfNearBottom();
}, 210);
}
function initScrolling() {
var elCheck = document.getElementById('index-container');
if (elCheck) {
initScrolling.called = true;
checkIfNearBottomOfPage();
}
}