From 309ae1b69b3284e7ecb4a3616648fc0b948cd497 Mon Sep 17 00:00:00 2001
From: Adolfo Reyna <aeroreyna@gmail.com>
Date: Wed, 5 Feb 2025 20:46:24 -0500
Subject: [PATCH] Add promotional endpoint (extended) for new users

---
 dbTools/post.js | 39 +++++++++++++++++++++++++++++----------
 routes/post.js  | 11 ++++++++++-
 2 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/dbTools/post.js b/dbTools/post.js
index a17a389..9c47a2d 100644
--- a/dbTools/post.js
+++ b/dbTools/post.js
@@ -176,29 +176,33 @@ postDB = (DB)=>{
         });
     }
 
+    // Filter out posts that are posted by private groups that the viewer is not part of.
     filterPrivateGroups =  async (posts, profile) =>{
-        let filteredPosts = [];
+        let validatedPosts = [];
         let following = {};
         profile.following.forEach(element => {
             following[element] = 1;
         });
         for(i in posts){
             let p = posts[i];
-            let isPostingAPrivateGroup = await DB.isGroupPrivate(p.profileid);
-            let isPostingToAPrivateGroup = p.toProfile ? await DB.isGroupPrivate(p.toProfile) : false;
-            if(!isPostingAPrivateGroup && !isPostingToAPrivateGroup){
-                filteredPosts.push(p);
+            let isPostedByAPrivateGroup = await DB.isGroupPrivate(p.profileid);
+            let isPostedToAPrivateGroup = p.toProfile ? await DB.isGroupPrivate(p.toProfile) : false;
+            // Not private posts
+            if(!isPostedByAPrivateGroup && !isPostedToAPrivateGroup){
+                validatedPosts.push(p);
                 continue;
             }
-            if(isPostingAPrivateGroup && !following[p.profileid]){
+            // skipps private post if viewer is not part of the group
+            if(isPostedByAPrivateGroup && !following[p.profileid]){
                 continue;
             }
-            if(isPostingToAPrivateGroup && !following[p.toProfile]){
+            if(isPostedToAPrivateGroup && !following[p.toProfile]){
                 continue;
             }
-            filteredPosts.push(p);
+            // Private but the user is part of the group
+            validatedPosts.push(p);
         }
-        return filteredPosts;
+        return validatedPosts;
     }
 
     DB.getFeed = async (profileId) => {
@@ -217,7 +221,22 @@ postDB = (DB)=>{
             ],
             nonOrganicType: null // Exlcude news
         };
-        return DB.postCols.find(query).sort({lastUpdated: -1}).limit(20).toArray().then(async (posts)=>{
+        return DB.postCols.find(query).sort({lastUpdated: -1}).limit(30).toArray().then(async (posts)=>{
+            return await filterPrivateGroups(posts, profile);
+        }).catch((err)=>{
+            console.log(err);
+            return false;
+        });
+    }
+
+    DB.getPromotionalPosts = async (profileId) => {
+        if(!DB.ObjectID.isValid(profileId)) return [];
+        const profile = await DB.getProfile(profileId);
+        if(!profile) return [];
+        query = {
+            nonOrganicType: null // Exlcude news
+        };
+        return DB.postCols.find(query).sort({lastUpdated: -1}).limit(50).toArray().then(async (posts)=>{
             return await filterPrivateGroups(posts, profile);
         }).catch((err)=>{
             console.log(err);
diff --git a/routes/post.js b/routes/post.js
index bbc8e17..800a987 100644
--- a/routes/post.js
+++ b/routes/post.js
@@ -82,7 +82,16 @@ DB.getDB.then((DB) => {
         let organicPosts = await DB.getFeed(profileid);
         //Add non-organic posts
         const nonOrganicPosts = await generateNonOrganicPosts(req, profileid);
-        const posts = mergePosts(organicPosts, nonOrganicPosts);
+        const posts = mergePosts(promotionalPosts, nonOrganicPosts);
+        return res.json(posts);
+    });
+
+    router.get("/extended", async (req, res) => {
+        const profileid = getProfileId(req);
+        //Add non-organic posts
+        const nonOrganicPosts = await generateNonOrganicPosts(req, profileid);
+        let promotionalPosts = await DB.getPromotionalPosts(profileid);
+        const posts = mergePosts(promotionalPosts, nonOrganicPosts);
         return res.json(posts);
     });