Move Analytics from Managers to Modules.

Riot/Modules/Analytics/AnalyticsSettings.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
+
+/// An analytics settings event from the user's account data.
+struct AnalyticsSettings {
+    static let eventType = "im.vector.analytics"
+    
+    enum Constants {
+        static let idKey = "id"
+        static let webOptInKey = "pseudonymousAnalyticsOptIn"
+    }
+    
+    /// A randomly generated analytics token for this user.
+    /// This is suggested to be a UUID string.
+    let id: String?
+    
+    /// Whether the user has opted in on web or not. This is unused on iOS but necessary
+    /// to store here so that it's value is preserved when updating the account data if we
+    /// generated an ID on iOS.
+    ///
+    /// `true` if opted in on web, `false` if opted out on web and `nil` if the web prompt is not yet seen.
+    private let webOptIn: Bool?
+}
+
+extension AnalyticsSettings {
+    // Private as AnalyticsSettings should only be created from an MXSession
+    private init(dictionary: Dictionary<AnyHashable, Any>?) {
+        self.id = dictionary?[Constants.idKey] as? String
+        self.webOptIn = dictionary?[Constants.webOptInKey] as? Bool
+    }
+    
+    /// A dictionary representation of the settings.
+    var dictionary: Dictionary<AnyHashable, Any> {
+        var dictionary = [AnyHashable: Any]()
+        dictionary[Constants.idKey] = id
+        dictionary[Constants.webOptInKey] = webOptIn
+        
+        return dictionary
+    }
+}
+
+// MARK: - Public initializer
+
+extension AnalyticsSettings {
+    /// Create the analytics settings from account data.
+    /// - Parameter accountData: The account data to read the event from.
+    init(accountData: MXAccountData) {
+        self.init(dictionary: accountData.accountData(forEventType: AnalyticsSettings.eventType))
+    }
+}