Set up Analytics to track data per session (#780)

ElementX/Sources/Screens/AnalyticsSettings/AnalyticsSettingsScreenModels.swift

@@ -0,0 +1,46 @@
+//
+// Copyright 2022 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
+
+struct AnalyticsSettingsScreenViewState: BindableState {
+    /// Attributed strings created from localized HTML.
+    let strings: AnalyticsSettingsScreenStrings
+    var bindings: AnalyticsSettingsScreenViewStateBindings
+}
+
+struct AnalyticsSettingsScreenViewStateBindings {
+    var enableAnalytics: Bool
+}
+
+enum AnalyticsSettingsScreenViewAction {
+    case toggleAnalytics
+}
+
+struct AnalyticsSettingsScreenStrings {
+    let sectionFooter: AttributedString
+    
+    init(termsURL: URL) {
+        let content = AttributedString(L10n.screenAnalyticsHelpUsImprove(InfoPlistReader.main.bundleDisplayName))
+        // Create the 'read terms' with a placeholder.
+        let linkPlaceholder = "{link}"
+        var readTerms = AttributedString(L10n.screenAnalyticsReadTerms(linkPlaceholder))
+        readTerms.replace(linkPlaceholder,
+                          with: L10n.screenAnalyticsReadTermsContentLink,
+                          asLinkTo: termsURL)
+        sectionFooter = content + "\n\n" + readTerms
+    }
+}