From a0594fa9688d2aff254ef1b90ce1843078efc490 Mon Sep 17 00:00:00 2001
From: Pierre HUBERT <pierre.git@communiquons.org>
Date: Tue, 14 Apr 2020 09:39:43 +0200
Subject: [PATCH] Avoid duplicate code

---
 src/controllers/CallsController.ts | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/src/controllers/CallsController.ts b/src/controllers/CallsController.ts
index 9636904..afca5b3 100644
--- a/src/controllers/CallsController.ts
+++ b/src/controllers/CallsController.ts
@@ -277,23 +277,13 @@ export class CallsController {
 		// Notify RTC relay
 
 		// User main stream (sender)
-		await RTCRelayController.SendMessage({
-			title: "close_conn",
-			callHash: this.genCallHash(convID, c.userID),
-			peerId: "0",
-			data: ""
-		})
+		await this.CloseCallStream(convID, c.userID, c.userID);
 
 		// Receiver stream (on other user streams)
 		for(const conn of UserWebSocketController.active_clients.filter(
 			(f) => f.activeCalls.has(convID) && f.userID != c.userID)) {
 			
-			await RTCRelayController.SendMessage({
-				title: "close_conn",
-				callHash: this.genCallHash(convID, conn.userID),
-				peerId: String(c.userID),
-				data: ""
-			})
+			await this.CloseCallStream(convID, conn.userID, c.userID)
 		}
 
 
@@ -306,6 +296,22 @@ export class CallsController {
 			})
 		)
 	}
+
+	/**
+	 * Ask to close a stream 
+	 * 
+	 * @param callID Call ID
+	 * @param userID User whose we stream content
+	 * @param peerID Peer receiving / emitting content
+	 */
+	private static async CloseCallStream(callID: number, userID: number, peerID: number) {
+		await RTCRelayController.SendMessage({
+			title: "close_conn",
+			callHash: this.genCallHash(callID, userID),
+			peerId: userID == peerID ? "0" : String(peerID),
+			data: ""
+		})
+	}
 }
 
 // Listen for websocket closed