Added basic code as channelCallJoin in index.js

included more TODOs in function

RelayClient/Resources/Raw/wwwroot/index.js

@@ -197,6 +197,55 @@ async function joinChannelCall() {
     }
 }
 
+async function channelCallJoin()
+{
+    const activeCall = true; //TODO: Read Surreal DB with channel id for active call
+    
+    if (activeCall)
+    {
+        const offer = roomSnapshot.data().offer; //TODO: Replace with active call offer from DB using the active ID for current channel
+        await peerConnection.setRemoteDescription(offer);
+        const answer = await peerConnection.createAnswer();
+        await peerConnection.setLocalDescription(answer);
+        
+        const roomAnswer = {
+            answer: {
+                type: answer.type,
+                sdp: answer.sdp
+            }
+        }
+        await roomRef.update(roomAnswer); //TODO: Update offer in SurrealDB to include answer
+    }
+    else
+    {
+        const offer = await peerConnection.createOffer();
+        await peerConnection.setLocalDescription(offer);
+        
+        const roomOffer = {
+            offer: {
+                type: offer.type,
+                sdp: offer.sdp
+            }
+        }
+        
+        const roomRef = "id"; //TODO: Add offer to SurrealDB on server
+        const roomId = roomRef.id;
+        //TODO: Write roomId to surreal DB with channel id as active call
+        
+        //TODO: Add callback function for when call is answered to replace following code block
+        roomRef.onSnapshot(async snapshot => {
+            console.log('Got updated room:', snapshot.data());
+            const data = snapshot.data();
+            if (!peerConnection.currentRemoteDescription && data.answer) {
+                console.log('Set remote description: ', data.answer);
+                const answer = new RTCSessionDescription(data.answer)
+                await peerConnection.setRemoteDescription(answer);
+            }
+        });
+    }
+    
+}
+
 async function handleRtcSignal(rawJson) {
     try {
         const msg = typeof rawJson === "string" ? JSON.parse(rawJson) : rawJson;