291 lines
11 KiB
Text
291 lines
11 KiB
Text
'use strict';
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/* global algoliasearch, insertAfter, insertArticles, buildArticleHTML, nextPage:writable, fetching:writable, done:writable */
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var client;
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function fetchNext(el, endpoint, insertCallback) {
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var indexParams = JSON.parse(el.dataset.params);
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var urlParams = Object.keys(indexParams).map(function handleMap(k) {
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return encodeURIComponent(k) + "=" + encodeURIComponent(indexParams[k])
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}).join('&');
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if (urlParams.indexOf("q=") > -1 ) {
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return;
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}
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var fetchUrl = (endpoint+"?page="+nextPage+"&"+urlParams+"&signature="+parseInt(Date.now()/400000, 10)).replace("&&","&");
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window.fetch(fetchUrl)
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.then(function handleResponse(response) {
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response.json().then(function insertEntries(entries) {
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nextPage += 1;
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insertCallback(entries);
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if (entries.length === 0) {
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document.getElementById("loading-articles").style.display = "none";
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done = true;
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}
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});
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}).catch(function logError(err) {
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// eslint-disable-next-line no-console
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console.log(err);
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});
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}
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function insertNext(params, buildCallback) {
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return function insertEntries(entries) {
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var list = document.getElementById(params.listId || "sublist");
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var newFollowersHTML = "";
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entries.forEach(function insertAnEntry(entry) {
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let existingEl = document.getElementById((params.elId || "element") + "-" + entry.id);
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if(!existingEl) {
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var newHTML = buildCallback(entry)
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newFollowersHTML += newHTML
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}
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});
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var distanceFromBottom = document.documentElement.scrollHeight - document.body.scrollTop;
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var newNode = document.createElement("div");
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newNode.innerHTML = newFollowersHTML;
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var singleArticles = document.getElementsByClassName("single-article");
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var lastElement = singleArticles[singleArticles.length - 1];
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insertAfter(newNode, lastElement);
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if (nextPage > 0) {
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fetching = false;
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}
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}
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}
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function buildFollowsHTML(follows) {
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return '<div id="follows-' + follows.id + '" class="single-article">\n' +
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' <a href="' + follows.path +'" class="block-link">\n' +
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' <h2>\n' +
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' <img alt="' + follows.username + ' profile image" src="' + follows.profile_image + '" />\n' +
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' ' + follows.name + '\n' +
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' <span class="dashboard-username">@' + follows.username + '</span>\n' +
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' </h2>\n' +
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' </a>\n' +
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'</div>';
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}
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var negativeFollow = -1;
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function buildTagsHTML(tag) {
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var tagHTML = '';
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if (tag.points < 0 && negativeFollow === -1) {
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tagHTML += '<h2>Negative Tags (anti-follows)</h2>';
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negativeFollow = 0;
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}
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return tagHTML +
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'<div id="follows-' + tag.id + '" class="single-article" style="border: 1px solid ' + tag.color + ';box-shadow: 3px 3px 0px ' + tag.color + '">\n' +
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' <h2>\n' +
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' <a href="/t/' + tag.name + '">\n' +
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' ' + tag.name + '\n' +
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' </a>\n' +
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' <form class="edit_follow" id="edit_follow_' + tag.id + '" action="/follows/' + tag.id + '" accept-charset="UTF-8" method="post">\n' +
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' <input name="utf8" type="hidden" value="✓">\n' +
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' <input type="hidden" name="_method" value="patch">\n' +
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' <input type="hidden" name="authenticity_token" value="' + tag.token + '">\n' +
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' <label for="follow_points">Follow Weight:</label>\n' +
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' <input step="any" required="required" type="number" value="' + tag.points + '" name="follow[points]" id="follow_points">\n' +
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' <input type="submit" name="commit" value="Submit">\n' +
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' </form>\n' +
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' </h2>\n' +
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'</div>';
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}
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function fetchNextFollowingPage(el) {
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var indexParams = JSON.parse(el.dataset.params);
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var action = indexParams.action;
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if (action.includes("users")) {
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fetchNext(el, "/followings/users", insertNext({ elId: "follows" }, buildFollowsHTML));
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} else if (action.includes("podcasts")) {
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fetchNext(el, "/followings/podcasts", insertNext({ elId: "follows" }, buildFollowsHTML));
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} else if (action.includes("organizations")) {
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fetchNext(el, "/followings/organizations", insertNext({ elId: "follows" }, buildFollowsHTML));
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} else {
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fetchNext(el, "/followings/tags", insertNext({ elId: "follows" }, buildTagsHTML));
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}
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}
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function fetchNextFollowersPage(el) {
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fetchNext(el, "/api/followers/users", insertNext({ elId: "follows" }, buildFollowsHTML));
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}
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function buildVideoArticleHTML(videoArticle) {
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return '<a class="single-video-article single-article" href="' + videoArticle.path + '" id="video-article-' + videoArticle.id + '">\n' +
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' <div class="video-image" style="background-image: url(' + videoArticle.cloudinary_video_url + ')">\n' +
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' <span class="video-timestamp">' + videoArticle.video_duration_in_minutes + '</span>\n' +
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' </div>\n' +
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' <p><strong>' + videoArticle.title + '</strong></p>\n' +
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' <p>' + videoArticle.user.name + '</p>\n' +
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'</a>';
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}
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function insertVideos(videoArticles) {
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var list = document.getElementById("subvideos");
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var newVideosHTML = "";
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videoArticles.forEach(function insertAVideo(videoArticle) {
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var existingEl = document.getElementById("video-article-"+videoArticle.id);
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if(!existingEl) {
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var newHTML = buildVideoArticleHTML(videoArticle)
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newVideosHTML += newHTML
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}
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});
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var distanceFromBottom = document.documentElement.scrollHeight - document.body.scrollTop;
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var newNode = document.createElement("div");
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newNode.innerHTML = newVideosHTML;
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newNode.className += "video-collection"
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var singleArticles = document.getElementsByClassName("single-article");
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var lastElement = singleArticles[singleArticles.length - 1];
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insertAfter(newNode, lastElement);
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if (nextPage > 0) {
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fetching = false;
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}
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}
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function fetchNextVideoPage(el) {
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fetchNext(el, "/api/videos", insertVideos)
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}
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function insertArticles(articles) {
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var list = document.getElementById("substories");
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var newArticlesHTML = "";
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var el = document.getElementById("home-articles-object")
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if (el) {el.outerHTML = "";}
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articles.forEach(function insertAnArticle(article) {
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var existingEl = document.getElementById("article-link-"+article.id);
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if ( !['/', '/top/week', '/top/month', '/top/year', '/top/infinity', '/latest'].includes(window.location.pathname) &&
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existingEl &&
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existingEl.parentElement &&
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existingEl.parentElement.classList.contains('single-article-small-pic') &&
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!document.getElementById("video-player-"+article.id)) {
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existingEl.parentElement.outerHTML = buildArticleHTML(article);
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} else if(!existingEl) {
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var newHTML = buildArticleHTML(article)
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newArticlesHTML += newHTML
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initializeReadingListIcons();
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}
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});
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var distanceFromBottom = document.documentElement.scrollHeight - document.body.scrollTop;
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var newNode = document.createElement("div");
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newNode.innerHTML = newArticlesHTML;
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var singleArticles = document.getElementsByClassName("single-article");
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var lastElement = singleArticles[singleArticles.length - 1];
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insertAfter(newNode, lastElement);
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if (nextPage > 0) {
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fetching = false;
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}
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}
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function fetchNextPodcastPage(el) {
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fetchNext(el, "/api/podcast_episodes", insertArticles)
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}
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function paginate(tag, requiresApproval) {
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var tagFilters = [];
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if (tag && tag.length > 0) {
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tagFilters.push(tag);
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}
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var searchObj = {
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hitsPerPage: 15,
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page: nextPage,
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attributesToHighlight: [],
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tagFilters,
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filters: (requiresApproval === 'true') ? 'approved:true' : ''
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}
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var homeEl = document.getElementById("index-container");
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var paginationArticlesIndex;
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if (homeEl.dataset.feed === "base-feed") {
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paginationArticlesIndex = client.initIndex('ordered_articles_<%= Rails.env %>');
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} else if (homeEl.dataset.feed === "latest") {
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paginationArticlesIndex = client.initIndex('ordered_articles_by_published_at_<%= Rails.env %>');
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} else {
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var preamble = (requiresApproval === 'true') ? ' AND ' : ''
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searchObj.filters += ( preamble +'published_at_int > ' + homeEl.dataset.articlesSince);
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paginationArticlesIndex = client.initIndex('ordered_articles_by_positive_reactions_count_<%= Rails.env %>');
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}
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paginationArticlesIndex.search("*", searchObj)
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.then(function searchDone(content) {
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nextPage += 1;
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insertArticles(content.hits);
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const checkBlockedContentEvent = new CustomEvent('checkBlockedContent')
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window.dispatchEvent(checkBlockedContentEvent);
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initializeReadingListIcons();
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if (content.hits.length === 0) {
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document.getElementById("loading-articles").style.display = "none"
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done = true;
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}
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});
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}
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function fetchNextPageIfNearBottom() {
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var indexContainer = document.getElementById("index-container");
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var elCheck = indexContainer && !document.getElementById("query-wrapper");
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if (!elCheck) {
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return;
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}
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var indexWhich = indexContainer.dataset.which;
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var fetchCallback;
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var scrollableElemId;
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if (indexWhich === "podcast-episodes") {
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scrollableElemId = "articles-list";
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fetchCallback = function fetch() {
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fetchNextPodcastPage(indexContainer);
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};
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} else if (indexWhich === "videos") {
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scrollableElemId = "video-collection";
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fetchCallback = function fetch() {
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fetchNextVideoPage(indexContainer);
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};
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} else if (indexWhich === "followers") {
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scrollableElemId = "user-dashboard";
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fetchCallback = function fetch() {
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fetchNextFollowersPage(indexContainer);
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}
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} else if (indexWhich === "following") {
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scrollableElemId = "user-dashboard";
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fetchCallback = function fetch() {
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fetchNextFollowingPage(indexContainer);
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}
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} else {
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scrollableElemId = "articles-list";
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fetchCallback = function fetch() {
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paginate(indexContainer.dataset.tag, indexContainer.dataset.requiresApproval);
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};
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}
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var scrollableElem = document.getElementById(scrollableElemId);
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if ( !done && !fetching && (window.scrollY) > (scrollableElem.scrollHeight - 3700) ) {
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fetching = true;
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fetchCallback();
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}
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}
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function checkIfNearBottomOfPage() {
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var publicSearchKey = '<%= ALGOLIASEARCH_PUBLIC_SEARCH_ONLY_KEY %>';
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client = algoliasearch('<%= ApplicationConfig["ALGOLIASEARCH_APPLICATION_ID"] %>', publicSearchKey);
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if (document.getElementsByClassName("single-article").length < 2 || window.location.search.indexOf("q=") > -1 ) {
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document.getElementById("loading-articles").style.display = "none";
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done = true;
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} else {
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document.getElementById("loading-articles").style.display = "block";
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}
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fetchNextPageIfNearBottom();
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setInterval(function handleInterval() {
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fetchNextPageIfNearBottom();
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}, 210)
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}
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function initScrolling() {
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var elCheck = document.getElementById("index-container");
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if (elCheck) {
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initScrolling.called = true;
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checkIfNearBottomOfPage();
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}
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}
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