399 lines
13 KiB
JavaScript
399 lines
13 KiB
JavaScript
var express = require('express');
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var router = express.Router();
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const DB = require("./../mongoDB.js");
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const Post = require("./../def/post.js");
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const Notifications = require("./../notifications.js");
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DB.getDB.then((DB) => {
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const getProfileId = (req) => {
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return DB.ObjectID(req.cookies.profile_id || req.query.profile_id || req.body.profile_id);
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};
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const postBelongToProfile = (post, profileid) => {
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if (!post) return false;
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return post.profileid == profileid;
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};
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const generateNonOrganicPosts = async (req, profileid) => {
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let posts = [];
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// News Posts
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const newsPosts = await DB.getNews();
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posts.push(...newsPosts);
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// Popular Profiles
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const popularProfiles = await DB.getPopularProfiles(5);
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content = "Active users to follow:\n";
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popularProfiles.forEach((p) => {
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content += "@p:" + p._id + "\n";
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});
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let popularProfilesPost = new Post({ profileid: 1, content, nonOrganicType: "PopularUsers" });
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posts.push(popularProfilesPost);
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// Popular Groups
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const popularGroups = await DB.getPopularGroups(5);
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content = "Popular groups to follow:\n";
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popularGroups.forEach((p) => {
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content += "@p:" + p._id + "\n";
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});
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let popularGroupsPost = new Post({ profileid: 1, content, nonOrganicType: "PopularGroups" });
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posts.push(popularGroupsPost);
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const yourFollowsInterests = await DB.getFriendsFriends(profileid);
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content = "People your follow has these interests:\n";
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yourFollowsInterests.forEach((p) => {
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content += "@p:" + p + "\n";
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});
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let yourFollowsInterestsPost = new Post({ profileid: 1, content, nonOrganicType: "PopularUsers" });
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posts.push(yourFollowsInterestsPost);
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return posts;
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};
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const mergePosts = (organic, nonOrganic) => {
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if (!organic || organic.length < 5) return nonOrganic;
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//organic.push(...nonOrganic);
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let mergedPosts = [];
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while (organic.length + nonOrganic.length) {
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if (organic.length == 0) {
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mergedPosts.push(nonOrganic.shift());
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continue;
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}
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if (nonOrganic.length == 0) {
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mergedPosts.push(organic.shift());
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continue;
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}
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if (nonOrganic[0].nonOrganicType == 'News') {
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mergedPosts.push(nonOrganic.shift());
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continue;
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}
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if (Math.random() < 0.2) {
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mergedPosts.push(nonOrganic.shift());
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} else {
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mergedPosts.push(organic.shift());
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}
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}
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return mergedPosts;
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};
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router.get("/organic", async (req, res) => {
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const profileid = getProfileId(req);
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let organicPosts = await DB.getFeed(profileid);
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//Add non-organic posts
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const nonOrganicPosts = await generateNonOrganicPosts(req, profileid);
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const posts = mergePosts(organicPosts, nonOrganicPosts);
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return res.json(posts);
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});
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router.get("/", async (req, res) => {
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const profileid = getProfileId(req);
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//Add non-organic posts
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const nonOrganicPosts = await generateNonOrganicPosts(req, profileid);
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let promotionalPosts = await DB.getPromotionalPosts(profileid);
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const posts = mergePosts(promotionalPosts, nonOrganicPosts);
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return res.json(posts);
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});
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router.get("/tag/:tag", async (req, res) => {
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const profileid = getProfileId(req);
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const tag = req.query.tag || req.params.tag;
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if(!tag) {
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console.log("Tag query empty: ", tag);
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return res.json({
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status: "Tag is required",
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});
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}
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console.log("Tag query: ", tag);
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let posts = await DB.getPostsByTag('#' + tag, profileid);
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return res.json(posts);
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});
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router.get("/usr/:id", async (req, res) => {
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const profileId = req.params.id;
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const viewerProdileId = getProfileId(req);
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const profile = await DB.getProfileCache(profileId);
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const posts = await DB.getPosts(profileId, viewerProdileId);
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if (profile.isCourse) {
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//check for subscription
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//const viewerProdile = await DB.getProfileCache(viewerProdileId);
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//if (!viewerProdile.subscription || viewerProdile.subscription < (new Date()-1)) {
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// return res.json([posts[posts.length - 1]]);
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//}
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}
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return res.json(posts);
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});
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router.get("/usr/:id/images", async (req, res) => {
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const profileid = req.params.id;
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const viewerProfileId = getProfileId(req);
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const posts = await DB.getMediaTagPostOfUser(profileid, viewerProfileId);
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return res.json({
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status: "ok",
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posts
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});
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});
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router.get("/usr/:id/embedded", async (req, res) => {
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const profileid = req.params.id;
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const viewerProfileId = getProfileId(req);
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const posts = await DB.getMediaTagPostOfUser(profileid, viewerProfileId, "@iframe:");
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return res.json({
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status: "ok",
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posts
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});
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});
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router.get("/usr/:id/media", async (req, res) => {
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const profileid = req.params.id;
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const viewerProfileId = getProfileId(req);
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const posts = await DB.getMediaTagPostOfUser(profileid, viewerProfileId, "@youtube:|@vimeo:|@hls:");
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return res.json({
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status: "ok",
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posts
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});
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});
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router.get("/video/:id", async (req, res) => {
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videoId = req.params.id;
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return res.json([]);
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});
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router.post("/", async (req, res) => {
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let post = {
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profileid: getProfileId(req),
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...req.body
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}
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const isGroupPrivate = await DB.isGroupPrivate(post.toProfile);
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const isGroupNewsOnly = await DB.isGroupNewsOnly(post.toProfile);
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if (post.toProfile && isGroupPrivate) {
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let requestProfile = getProfileId(req) + "";
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let group = await DB.getProfileCache(post.toProfile);
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if (!group.subscribed[requestProfile] && group._id != requestProfile) {
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return res.json({
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status: "You are not part of this private group",
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});
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}
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}
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if (post.toProfile && isGroupNewsOnly) {
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return res.json({
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status: "This is a news only group, only the admin can post",
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});
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}
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post.toProfile = post.toProfile ? DB.ObjectID(post.toProfile) : undefined;
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let postObj = new Post(post);
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let dbr = await DB.newPost(postObj);
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post = postObj.toObj();
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post._id = dbr.insertedId;
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if ((post.toProfile && post.toProfile != post.profileid) || post.nonOrganicType == 'News') {
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await Notifications.youGotANewPost(post);
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}
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await Notifications.yourGroupMakeANewPost(post);
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if(!isGroupPrivate){
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await Notifications.yourSubscriptionProfileHasNewPost(post);
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}
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return res.json({
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status: "ok",
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...post
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})
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});
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router.post("/react", async (req, res) => {
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let profileid = getProfileId(req);
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let postid = req.body.postid;
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let reaction = {
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type: "like",
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createdAt: new Date()
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};
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r = await DB.newReaction(postid, profileid, reaction);
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Notifications.youGotANewReaction(postid, profileid, 'like');
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return res.json({
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status: "ok"
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});
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});
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router.post("/unreact", async (req, res) => {
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let profileid = getProfileId(req);
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let postid = req.body.postid;
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r = await DB.removeReaction(postid, profileid);
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return res.json({
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status: "ok"
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})
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});
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router.post("/bookmark", async (req, res) => {
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let profileid = getProfileId(req);
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let postid = req.body.postid;
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r = await DB.bookmarkPost(postid, profileid);
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return res.json({
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status: "ok"
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});
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})
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router.post("/unbookmark", async (req, res) => {
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let profileid = getProfileId(req);
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let postid = req.body.postid;
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r = await DB.unbookmarkPost(postid, profileid);
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return res.json({
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status: "ok"
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})
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});
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router.post("/comment/", async (req, res) => {
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let profileid = getProfileId(req);
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let postid = req.body.postid;
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let content = req.body.content;
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let comment = {
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profileid: profileid,
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content: content,
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createdAt: new Date(),
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lastUpdated: new Date(),
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reactions: {}
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}
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Notifications.youGotANewPostComment(postid, profileid, content)
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r = await DB.newComment(postid, comment);
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return res.json({
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status: "ok",
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...comment
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})
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});
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router.post("/comment/react", async (req, res) => {
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let userid = getProfileId(req);
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let postid = req.body.postid;
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let commentDate = new Date(req.body.commentDate);
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let reaction = {
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type: "like",
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createdAt: new Date()
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};
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r = await DB.newCommentReaction(postid, commentDate, userid, reaction);
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return res.json({
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status: "ok"
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})
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});
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router.post("/comment/unreact", async (req, res) => {
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let profileid = getProfileId(req);
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let postid = req.body.postid;
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let commentDate = new Date(req.body.commentDate);
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r = await DB.removeCommentReaction(postid, commentDate, profileid);
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return res.json({
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status: "ok"
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})
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});
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router.get("/images", async (req, res) => {
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const profileid = getProfileId(req);
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const posts = await DB.getMediaTagPostOfUser(profileid, profileid);
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return res.json({
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status: "ok",
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posts
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});
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});
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router.get("/embedded", async (req, res) => {
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const profileid = getProfileId(req);
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const posts = await DB.getMediaTagPostOfUser(profileid, profileid, "@iframe:");
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return res.json({
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status: "ok",
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posts
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});
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});
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router.get("/media", async (req, res) => {
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const profileid = getProfileId(req);
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const posts = await DB.getMediaTagPostOfUser(profileid, profileid, "@youtube:|@vimeo:|@hls:");
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return res.json({
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status: "ok",
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posts
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});
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});
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router.get("/course/recent", async (req, res) => {
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const profileid = getProfileId(req);
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const profile = await DB.getProfileCache(profileid);
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const mediaPostsId = []
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const recentMedia = {};
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const mediaProfileP = []
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let postPromises = [];
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// Get watch information from profile data
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Object.keys(profile.data).forEach(key => {
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// So far we only use watch info using postid keys
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if(DB.ObjectID.isValid(key)){
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mediaPostsId.push(profile.data[key]);
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postPromises.push(DB.getPostCached(profile.data[key].postId));
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if(!recentMedia[profile.data[key].profileId]){
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recentMedia[profile.data[key].profileId] = [];
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mediaProfileP.push(DB.getProfileCache(profile.data[key].profileId));
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}
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}
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});
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recentMediaArray = mediaPostsId.sort((a,b)=>{
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return b.ts - a.ts;
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});
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const postObjs = await Promise.all(postPromises);
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const postObjsMap = postObjs.reduce((map, item)=>{
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map[item._id] = item;
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return map
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}, {});
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recentMediaArray.forEach(record => {
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const postAndRecord = {
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watchRecord: record,
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... postObjsMap[record.postId]
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}
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recentMedia[record.profileId].push(postAndRecord);
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});
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// Transform profiles array to dict
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let mediaProfile = await Promise.all(mediaProfileP);
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let mediaProfileMap = mediaProfile.reduce((dict, item) => {
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dict[item._id] = item;
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return dict;
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}, {});
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return res.json({
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status: "ok",
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recentMedia,
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mediaProfileMap,
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});
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});
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router.get("/:id", async (req, res) => {
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const postId = req.params.id;
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const post = await DB.getPost(postId);
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return res.json({
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status: "ok",
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...post
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});
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});
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router.delete("/:id", async (req, res) => {
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const profileid = getProfileId(req) + '';
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const postId = req.params.id;
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const post = await DB.getPost(postId);
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if (!postBelongToProfile(post, profileid))
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return res.json({
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status: "This post is not yours."
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});
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await DB.removePost(postId);
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return res.json({
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status: "ok"
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});
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});
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router.post("/:id", async (req, res) => {
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const profileid = getProfileId(req) + '';
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const postId = req.params.id;
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const post = await DB.getPost(postId);
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const newContent = req.body.content;
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if (!postBelongToProfile(post, profileid))
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return res.json({
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status: "This post is not yours."
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});
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await DB.updatePost(postId, newContent, post.content);
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return res.json({
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status: "ok"
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});
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});
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});
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module.exports = router |