Check if a conversation can be the source for a call

src/helpers/CallsHelper.ts

@@ -0,0 +1,24 @@
+/**
+ * Calls helper
+ * 
+ * @author Pierre Hubert
+ */
+
+import { Conversation } from "../entities/Conversation";
+import { conf } from "./ConfigHelper";
+import { RTCRelayController } from "../controllers/RTCRelayController";
+
+export class CallsHelper {
+
+	/**
+	 * Check out whether a given conversation can have a call or not
+	 * 
+	 * @param conv Target conversation
+	 */
+	public static CanHaveCall(conv: Conversation) : boolean {
+		return (conf().rtc_relay && RTCRelayController.IsConnected
+			&& conv.members.size > 1
+			&& conf().rtc_relay.maxUsersPerCalls >= conv.members.size) === true
+	}
+
+}

src/helpers/ConfigHelper.ts

@@ -18,7 +18,10 @@ export interface DatabaseConfiguration {
 export interface RTCRelayConfiguration {
 	ip ?: string,
 	token: string,
-	iceServers: string[]
+	iceServers: string[],
+
+	maxUsersPerCalls: number,
+	allowVideo: boolean,
 }
 
 export interface Configuration {