Merge pull request #1559 from liveview-native/reconnect_on_error

reconnect livechannel on error

Author: mobile-bungalow

Sources/LiveViewNative/Coordinators/LiveSessionCoordinator.swift

@@ -266,15 +266,7 @@ public class LiveSessionCoordinator<R: RootRegistry>: ObservableObject {
                 }
             }
 
-            let liveChannel = try await self.liveSocket!.joinLiveviewChannel(
-                .some([
-                    "_format": .str(string: LiveSessionParameters.platform),
-                    "_interface": .object(object: LiveSessionParameters.platformParams)
-                ]),
-                nil
-            )
-            
-            self.navigationPath.last!.coordinator.join(liveChannel)
+            try await self.joinLiveViewChannel()
 
             self.state = .connected
 
@@ -328,6 +320,18 @@ public class LiveSessionCoordinator<R: RootRegistry>: ObservableObject {
 
         }
     }
+    
+    func joinLiveViewChannel() async throws {
+        let liveChannel = try await self.liveSocket!.joinLiveviewChannel(
+                .some([
+                    "_format": .str(string: LiveSessionParameters.platform),
+                    "_interface": .object(object: LiveSessionParameters.platformParams)
+                ]),
+                nil
+        )
+            
+        self.navigationPath.last?.coordinator.join(liveChannel)
+    }
 
     private func disconnect(preserveNavigationPath: Bool = false) async {
         do {

Sources/LiveViewNative/Coordinators/LiveViewCoordinator.swift

@@ -270,6 +270,13 @@ public class LiveViewCoordinator<R: RootRegistry>: ObservableObject {
                 guard !Task.isCancelled else { return }
                 do {
                     switch event.event {
+                    case .phoenix(phoenix: .error):
+                        logger.error("encountered error in reply - channel reconnecting");
+                        if let liveChannel {
+                            let channel = liveChannel.channel()
+                            try await channel.shutdown()
+                        }
+                        try await session.joinLiveViewChannel()
                     case .user(user: "diff"):
                         switch event.payload {
                         case let .jsonPayload(json):
@@ -342,6 +349,7 @@ public class LiveViewCoordinator<R: RootRegistry>: ObservableObject {
     }
 
     func join(_ liveChannel: LiveViewNativeCore.LiveChannel) {
+        
         self.liveChannel = liveChannel
         let channel = liveChannel.channel()
         self.channel = channel