[iOS] Create public space #143

- Initial space creation flow

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationEmailInvites/Service/MatrixSDK/SpaceCreationEmailInvitesService.swift

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+// 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
+import Combine
+
+@available(iOS 14.0, *)
+class SpaceCreationEmailInvitesService: SpaceCreationEmailInvitesServiceProtocol {
+    
+    func validate(_ emailAddresses: [String]) -> [Bool] {
+        return emailAddresses.map { $0.isEmpty || MXTools.isEmailAddress($0) }
+    }
+
+}

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationEmailInvites/Service/Mock/MockSpaceCreationEmailInvitesScreenState.swift

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+// 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
+import SwiftUI
+
+/// Using an enum for the screen allows you define the different state cases with
+/// the relevant associated data for each case.
+@available(iOS 14.0, *)
+enum MockSpaceCreationEmailInvitesScreenState: MockScreenState, CaseIterable {
+    // A case for each state you want to represent
+    // with specific, minimal associated data that will allow you
+    // mock that screen.
+    case defaultEmailValues
+    case emailEntered
+    case emailValidationFailed
+    
+    /// The associated screen
+    var screenType: Any.Type {
+        SpaceCreationEmailInvites.self
+    }
+    
+    /// A list of screen state definitions
+    static var allCases: [MockSpaceCreationEmailInvitesScreenState] {
+        [.defaultEmailValues, .emailEntered, .emailValidationFailed]
+    }
+    
+    /// Generate the view struct for the screen state.
+    var screenView: ([Any], AnyView)  {
+        let creationParams = SpaceCreationParameters()
+        let service: MockSpaceCreationEmailInvitesService
+        switch self {
+        case .defaultEmailValues:
+            service = MockSpaceCreationEmailInvitesService(defaultValidation: true)
+        case .emailEntered:
+            creationParams.emailInvites = ["test1@element.io", "test2@element.io"]
+            service = MockSpaceCreationEmailInvitesService(defaultValidation: true)
+        case .emailValidationFailed:
+            creationParams.emailInvites = ["test1@element.io", "test2@element.io"]
+            service = MockSpaceCreationEmailInvitesService(defaultValidation: false)
+        }
+        let viewModel = SpaceCreationEmailInvitesViewModel(creationParameters: creationParams, service: service)
+        
+        // can simulate service and viewModel actions here if needs be.
+        
+        return (
+            [viewModel],
+            AnyView(SpaceCreationEmailInvites(viewModel: viewModel.context)
+                .addDependency(MockAvatarService.example))
+        )
+    }
+}

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationEmailInvites/Service/Mock/MockSpaceCreationEmailInvitesService.swift

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+// 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
+import Combine
+
+@available(iOS 14.0, *)
+class MockSpaceCreationEmailInvitesService: SpaceCreationEmailInvitesServiceProtocol {
+    private let defaultValidation: Bool
+    
+    init(defaultValidation: Bool) {
+        self.defaultValidation = defaultValidation
+    }
+    
+    func validate(_ emailAddresses: [String]) -> [Bool] {
+        return emailAddresses.map { _ in defaultValidation }
+    }
+}

RiotSwiftUI/Modules/Spaces/SpaceCreation/SpaceCreationEmailInvites/Service/SpaceCreationEmailInvitesServiceProtocol.swift

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+// 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
+import Combine
+
+@available(iOS 14.0, *)
+protocol SpaceCreationEmailInvitesServiceProtocol {
+    func validate(_ emailAddresses: [String]) -> [Bool]
+}