start support for songs

routes/songs.js

@@ -0,0 +1,87 @@
+var express = require('express')
+var router = express.Router()
+
+const DB = require("../mongoDB.js");
+const Song = require("../def/songs.js");
+
+DB.getDB.then((DB)=>{
+
+    const getUserId = function(req){
+        const user_sid = req.cookies.user_sid || req.query.user_sid || req.body.user_sid;
+        return DB.ObjectID(user_sid);
+    }
+
+    const getProfileId = (req)=>{
+        return DB.ObjectID(req.cookies.profile_id || req.query.profile_id || req.body.profile_id);
+    }
+
+    router.get("/", async (req, res) => {
+        let profileId = req.params.id;
+        let songs = await DB.getSongs();
+        return res.json({
+            status: "ok",
+            songs
+        });
+    });
+
+    router.post("/", async (req, res) => {
+        let post = {
+            userid: getUserId(req),
+            ...req.body
+        }
+        let postObj = new Song(post);
+        let dbr = await DB.newSong(postObj);
+        song = postObj.toObj();
+        song._id = dbr.insertedId;
+        return res.json({
+            status: "ok",
+            ...song
+        })
+    });
+
+    router.get("/:id", async (req, res) => {
+        let profileId = req.params.id;
+        let profile = await DB.getProfile(profileId);
+        return res.json({
+            status: "ok",
+            ... profile
+        });
+    });
+
+    async function songBelongsToUser(songId, userid){
+        // TODO: Verify ownserhip
+        return true;
+    }
+
+    router.delete("/:id", async (req, res) => {
+        const userid = getUserId(req);
+        const songId = req.params.id;
+        if(!await songBelongsToUser(songId, userid)) 
+            return res.json({
+                status: "This profile is not yours."
+            });
+        await DB.removeSong(songId);
+        return res.json({
+            status: "ok"
+        });
+    });
+
+    router.post("/:id", async (req, res) => {
+        const userid = getUserId(req);
+        const songId = req.params.id;
+        const song = await DB.getSong(songId);
+        const newContent = req.body.content;
+        console.log("Updating song", newContent)
+        if(!await songBelongsToUser(songId, userid))
+            return res.json({
+                status: "This post is not yours."
+            });
+        await DB.updateSongContent(songId, newContent, song.content);
+        return res.json({
+            status: "ok"
+        });
+    });
+
+});
+
+module.exports = router