Add specific methods to track analytics and test generated event types.

Riot/Managers/Analytics/DictionaryConvertable.swift

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+// 
+// Copyright 2021 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+protocol DictionaryConvertible {
+    var dictionary: [String: Any] { get }
+}
+
+extension DictionaryConvertible {
+    var dictionary: [String: Any] {
+        let mirror = Mirror(reflecting: self)
+        let dict: [String: Any] = Dictionary(uniqueKeysWithValues: mirror.children
+                                                .compactMap { (label: String?, value: Any) in
+                                                    guard let label = label else { return nil }
+                                                    
+                                                    if let value = value as? NSCoding {
+                                                        return (label, value)
+                                                    }
+                                                    
+                                                    if let value = value as? CustomStringConvertible {
+                                                        return (label, value.description)
+                                                    }
+                                                    
+                                                    return nil
+                                                })
+        
+        return dict
+    }
+}