[iOS] Create public space #143

- Initial space creation flow

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationEmailInvites/ViewModel/SpaceCreationEmailInvitesViewModel.swift

@@ -0,0 +1,95 @@
+// File created from SimpleUserProfileExample
+// $ createScreen.sh Spaces/SpaceCreation/SpaceCreationEmailInvites SpaceCreationEmailInvites
+//
+// 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 SwiftUI
+import Combine
+
+@available(iOS 14, *)
+typealias SpaceCreationEmailInvitesViewModelType = StateStoreViewModel<SpaceCreationEmailInvitesViewState,
+                                                                 SpaceCreationEmailInvitesStateAction,
+                                                                 SpaceCreationEmailInvitesViewAction>
+@available(iOS 14, *)
+class SpaceCreationEmailInvitesViewModel: SpaceCreationEmailInvitesViewModelType, SpaceCreationEmailInvitesViewModelProtocol {
+
+    // MARK: - Properties
+
+    // MARK: Private
+
+    private let creationParameters: SpaceCreationParameters
+    private let service: SpaceCreationEmailInvitesServiceProtocol
+
+    // MARK: Public
+
+    var completion: ((SpaceCreationEmailInvitesViewModelResult) -> Void)?
+
+    // MARK: - Setup
+
+    init(creationParameters: SpaceCreationParameters, service: SpaceCreationEmailInvitesServiceProtocol) {
+        self.creationParameters = creationParameters
+        self.service = service
+        let emailValidation = service.validate(creationParameters.emailInvites)
+        super.init(initialViewState: SpaceCreationEmailInvitesViewModel.defaultState(creationParameters: creationParameters, emailValidation: emailValidation))
+    }
+
+    private static func defaultState(creationParameters: SpaceCreationParameters, emailValidation: [Bool]) -> SpaceCreationEmailInvitesViewState {
+        let bindings = SpaceCreationEmailInvitesViewModelBindings(emailInvites: creationParameters.emailInvites)
+        return SpaceCreationEmailInvitesViewState(
+            title: creationParameters.isPublic ? VectorL10n.spacesCreationPublicSpaceTitle : VectorL10n.spacesCreationPrivateSpaceTitle,
+            emailAddressesValid: emailValidation,
+            bindings: bindings
+        )
+    }
+    
+    // MARK: - Public
+
+    override func process(viewAction: SpaceCreationEmailInvitesViewAction) {
+        switch viewAction {
+        case .cancel:
+            cancel()
+        case .done:
+            done()
+        case .inviteByUsername:
+            inviteByUsername()
+        }
+    }
+
+    override class func reducer(state: inout SpaceCreationEmailInvitesViewState, action: SpaceCreationEmailInvitesStateAction) {
+        switch action {
+        case .updateEmailValidity(let emailValidity):
+            state.emailAddressesValid = emailValidity
+        }
+    }
+
+    private func done() {
+        self.creationParameters.emailInvites = self.context.emailInvites
+        let emailAddressesValidity = service.validate(self.context.emailInvites)
+        
+        dispatch(action: .updateEmailValidity(emailAddressesValidity))
+        if emailAddressesValidity.reduce(true, { $0 && $1}) {
+            completion?(.done)
+        }
+    }
+
+    private func cancel() {
+        completion?(.cancel)
+    }
+    
+    private func inviteByUsername() {
+        completion?(.inviteByUsername)
+    }
+}

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationEmailInvites/ViewModel/SpaceCreationEmailInvitesViewModelProtocol.swift

@@ -0,0 +1,26 @@
+// File created from SimpleUserProfileExample
+// $ createScreen.sh Spaces/SpaceCreation/SpaceCreationEmailInvites SpaceCreationEmailInvites
+// 
+// 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 SpaceCreationEmailInvitesViewModelProtocol {
+    
+    var completion: ((SpaceCreationEmailInvitesViewModelResult) -> Void)? { get set }
+    @available(iOS 14, *)
+    var context: SpaceCreationEmailInvitesViewModelType.Context { get }
+}