updated RtcOffer to reflect proper communication needs and added todo

RelayServer/Services/Rtc/RtcCallService.cs

@@ -41,8 +41,9 @@ public sealed class RtcCallService
     /// </summary>
     /// <param name="channelId">The channel the offer belongs to.</param>
     /// <param name="username">The user creating the offer.</param>
+    /// <param name="type">The RtcSession Type. </param>
     /// <param name="sdp">The SDP offer payload.</param>
-    public async Task WriteOfferAsync(string channelId, string username, string sdp)
+    public async Task WriteOfferAsync(string channelId, string username, RtcSessionDescription sessionDescription)
     {
         var activeCalls = await _db.Select<RtcActiveCall>("rtc_active_calls");
         var activeCall = activeCalls.FirstOrDefault(x => x.ChannelId == channelId && x.IsActive);
@@ -55,8 +56,8 @@ public sealed class RtcCallService
                 OfferUser = username,
                 Offer = new RtcSessionDescription
                 {
-                    Type = "offer",
-                    Sdp = sdp
+                    Type = sessionDescription.Type,
+                    Sdp = sessionDescription.Sdp
                 },
                 Answer = null,
                 CreatedAt = DateTime.UtcNow,
@@ -70,8 +71,8 @@ public sealed class RtcCallService
         activeCall.OfferUser = username;
         activeCall.Offer = new RtcSessionDescription
         {
-            Type = "offer",
-            Sdp = sdp
+            Type = sessionDescription.Type,
+            Sdp = sessionDescription.Sdp
         };
         activeCall.UpdatedAt = DateTime.UtcNow;