From 4069054117ab7653ab4641a55716101332027b6f Mon Sep 17 00:00:00 2001
From: Adolfo Reyna <aeroreyna@gmail.com>
Date: Thu, 29 Jul 2021 10:25:05 -0700
Subject: [PATCH] posting and commenting

---
 dbTools/post.js | 56 ++++++++++++++++++++++++++++++++++++++++++++-
 def/user.js     |  2 +-
 index.js        | 61 +++++++++++++++++++++++++++++++++++++++++++++++++
 mongoDB.js      |  2 ++
 4 files changed, 119 insertions(+), 2 deletions(-)

diff --git a/dbTools/post.js b/dbTools/post.js
index ff16c9f..f829991 100644
--- a/dbTools/post.js
+++ b/dbTools/post.js
@@ -11,8 +11,43 @@ postDB = (DB)=>{
         });
     }
 
+    DB.newReaction = (postid, userid, reaction) => {
+        const id = DB.ObjectID(postid);
+        let update = {
+            $set:{
+                reactions:{
+                    [userid]: reaction
+                },
+                lastUpdated: new Date()
+            }            
+        }
+        return DB.postCols.updateOne({_id: id}, update).catch((err)=>{
+            console.log(err);
+            return false;
+        });
+    }
+
+    DB.removeReaction = (postid, userid) => {
+        const id = DB.ObjectID(postid);
+        let update = {
+            $unset:{
+                reactions:{
+                    [userid]: {}
+                }
+            },
+            $set: {
+                lastUpdated: new Date()
+            }            
+        }
+        return DB.postCols.updateOne({_id: id}, update).catch((err)=>{
+            console.log(err);
+            return false;
+        });
+    }
+
     DB.newComment = (postid, comment) => {
-        return DB.postCols.updateOne(postid, {
+        const id = DB.ObjectID(postid);
+        return DB.postCols.updateOne({_id: id}, {
             $push: {
                 comments: comment
             },
@@ -25,6 +60,25 @@ postDB = (DB)=>{
         });
     }
 
+    DB.newCommentReaction = (postid, commentDate, userid, reaction) => {
+        const id = DB.ObjectID(postid);
+        let update = {
+            $set:{
+                ["comments.$.reactions." + userid]: reaction,
+                "comments.$.lastUpdated": new Date(),
+                lastUpdated: new Date()
+            }            
+        }
+        console.log(JSON.stringify(update));
+        return DB.postCols.updateOne({
+            _id: id,
+            "comments.createdAt": commentDate
+        }, update).catch((err)=>{
+            console.log(err);
+            return false;
+        });
+    }
+
     DB.getPosts = (userObj) => {
         return DB.postCols.find().toArray().catch((err)=>{
             console.log(err);
diff --git a/def/user.js b/def/user.js
index 9b42117..14537dd 100644
--- a/def/user.js
+++ b/def/user.js
@@ -2,7 +2,7 @@ class User {
     constructor(json){
         this.username = 'aeroreyna';
         this.following = [];
-        this.lastUpdate = new Date();ß
+        this.lastUpdate = new Date();
         this.newsFeedCache = [];
         this.isGroup = false;
     }
diff --git a/index.js b/index.js
index 01de9fc..2e4b9e7 100644
--- a/index.js
+++ b/index.js
@@ -147,8 +147,69 @@ DB.getDB.then((DB)=>{
         return res.json({
             status: "ok"
         })
+    });
+
+    app.get("/post/newComment", sessionChecker, async (req, res) => {
+        let userid = getUserId(req);
+        let postid = req.query.postid;
+        let content = req.query.content;
+        let comment = {
+            userid: userid,
+            content: content,
+            createdAt: new Date(),
+            lastUpdated: new Date(),
+            reactions: {}
+        }
+        console.log("comment", postid, comment);
+        r = await DB.newComment(postid, comment);
+        console.log(r)
+        return res.json({
+            status: "ok"
+        })
+    });
+
+    app.get("/post/react", sessionChecker, async (req, res) => {
+        let userid = getUserId(req);
+        let postid = req.query.postid;
+        let reaction = {
+            type: "like",
+            createdAt: new Date()
+        };
+        console.log("reaction". postid, reaction);
+        r = await DB.newReaction(postid, userid, reaction);
+        console.log(r);
+        return res.json({
+            status: "ok"
+        });
     })
 
+    app.get("/post/unreact", sessionChecker, async (req, res) => {
+        let userid = getUserId(req);
+        let postid = req.query.postid;
+        r = await DB.removeReaction(postid, userid);
+        console.log(r)
+        return res.json({
+            status: "ok"
+        })
+    });
+
+    app.get("/post/comment/react", sessionChecker, async (req, res) => {
+        let userid = getUserId(req);
+        let postid = req.query.postid;
+        let commentDate = new Date(req.query.commentDate);
+        let reaction = {
+            type: "like",
+            createdAt: new Date()
+        };
+        console.log(req.query)
+        console.log("comment reaction", postid, commentDate, reaction);
+        r = await DB.newCommentReaction(postid, commentDate, userid, reaction);
+        console.log(r)
+        return res.json({
+            status: "ok"
+        })
+    });
+
     // route for handling 404 requests(unavailable routes)
     app.use(function (req, res, next) {
         res.status(404).send("Sorry can't find that!")
diff --git a/mongoDB.js b/mongoDB.js
index 93b5677..2a599d4 100644
--- a/mongoDB.js
+++ b/mongoDB.js
@@ -1,5 +1,6 @@
 const mongo = require('mongodb');
 const MongoClient = mongo.MongoClient;
+const ObjectID = mongo.ObjectID;
 const DBName = "EMI_SOCIAL";
 const mongoUrl = process.env.MONGO_URL;
 const postDB = require("./dbTools/post.js");
@@ -11,6 +12,7 @@ const getDB = new Promise((resolve, reject) => {
         if (err) return reject(err);
     
         DB.db = db;
+        DB.ObjectID = ObjectID;
         console.log("Connected to DB!");
         DB.usersCol = db.db(DBName).collection("users");
         DB.tokensCol = db.db(DBName).collection("tokens");