fix: realtime event payload

Author: TorstenDittmann

Sources/Appwrite/Client.swift

@@ -308,6 +308,9 @@ open class Client {
                     return response.body as! T
                 default:
                     let data = try await response.body.collect(upTo: Int.max)
+                    if data.readableBytes == 0 {
+                        return true as! T
+                    }
                     let dict = try JSONSerialization.jsonObject(with: data) as? [String: Any]
 
                     return converter?(dict!) ?? dict! as! T

Sources/Appwrite/Models/AppwriteError.swift

@@ -12,3 +12,19 @@ open class AppwriteError : Swift.Error, Decodable {
         self.type = type
     }
 }
+
+extension AppwriteError: CustomStringConvertible {
+    public var description: String {
+        get {
+            return self.message
+        }
+    }
+}
+
+extension AppwriteError: LocalizedError {
+    public var errorDescription: String? {
+        get {
+            return self.message
+        }
+    }
+}

Sources/Appwrite/Models/RealtimeModels.swift

@@ -22,18 +22,18 @@ public class RealtimeCallback {
 }
 
 public class RealtimeResponseEvent {
-    public let event: String?
+    public let events: [String]?
     public let channels: [String]?
     public let timestamp: Int64?
     public var payload: [String: Any]?
 
     init(
-        event: String,
+        events: [String],
         channels: [String],
         timestamp: Int64,
         payload: [String: Any]
     ) {
-        self.event = event
+        self.events = events
         self.channels = channels
         self.timestamp = timestamp
         self.payload = payload

Sources/Appwrite/Services/Realtime.swift

@@ -192,6 +192,9 @@ extension Realtime: WebSocketClientDelegate {
         guard let channels = data["channels"] as? Array<String> else {
             return
         }
+        guard let events = data["events"] as? Array<String> else {
+            return
+        }
         guard let payload = data["payload"] as? [String: Any] else {
             return
         }
@@ -204,7 +207,7 @@ extension Realtime: WebSocketClientDelegate {
         for subscription in activeSubscriptions {
             if channels.contains(where: { subscription.value.channels.contains($0) }) {
                 let response = RealtimeResponseEvent(
-                    event: data["event"] as! String,
+                    events: events,
                     channels: channels,
                     timestamp: data["timestamp"] as! Int64,
                     payload: payload