Add AuthenticationService and RegistrationWizard. (#6056)

RiotSwiftUI/Modules/Authentication/Common/Service/MatrixSDK/LoginModels.swift

@@ -0,0 +1,71 @@
+// 
+// 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 LoginFlowResult {
+    let supportedLoginTypes: [MXLoginFlow]
+    let ssoIdentityProviders: [SSOIdentityProvider]
+    let homeserverAddress: String
+    
+    var loginMode: LoginMode {
+        if supportedLoginTypes.contains(where: { $0.type == kMXLoginFlowTypeSSO }),
+           supportedLoginTypes.contains(where: { $0.type == kMXLoginFlowTypePassword }) {
+            return .ssoAndPassword(ssoIdentityProviders: ssoIdentityProviders)
+        } else if supportedLoginTypes.contains(where: { $0.type == kMXLoginFlowTypeSSO }) {
+            return .sso(ssoIdentityProviders: ssoIdentityProviders)
+        } else if supportedLoginTypes.contains(where: { $0.type == kMXLoginFlowTypePassword }) {
+            return .password
+        } else {
+            return .unsupported
+        }
+    }
+}
+
+enum LoginMode {
+    case unknown
+    case password
+    case sso(ssoIdentityProviders: [SSOIdentityProvider])
+    case ssoAndPassword(ssoIdentityProviders: [SSOIdentityProvider])
+    case unsupported
+    
+    var ssoIdentityProviders: [SSOIdentityProvider]? {
+        switch self {
+        case .sso(let ssoIdentityProviders), .ssoAndPassword(let ssoIdentityProviders):
+            return ssoIdentityProviders
+        default:
+            return nil
+        }
+    }
+    
+    var hasSSO: Bool {
+        switch self {
+        case .sso, .ssoAndPassword:
+            return true
+        default:
+            return false
+        }
+    }
+    
+    var supportsSignModeScreen: Bool {
+        switch self {
+        case .password, .ssoAndPassword:
+            return true
+        case .unknown, .unsupported, .sso:
+            return false
+        }
+    }
+}