[Spaces] M10.6 Space preview bottom sheet #4497

2026-04-20 00:24:43 +02:00 · 2021-09-06 07:46:43 +03:00
parent 7dd4af28b6
commit fd5d96aff9
25 changed files with 978 additions and 27 deletions
@@ -0,0 +1,114 @@
+// 
+// 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
+
+/// View model used by `SpaceDetailViewController`
+class SpaceDetailViewModel: SpaceDetailViewModelType {
+    
+    // MARK: - Properties
+    
+    weak var coordinatorDelegate: SpaceDetailModelViewModelCoordinatorDelegate?
+    weak var viewDelegate: SpaceDetailViewModelViewDelegate?
+
+    private let session: MXSession
+    private let spaceId: String
+    
+    // MARK: - Setup
+    
+    init(session: MXSession, spaceId: String) {
+        self.session = session
+        self.spaceId = spaceId
+    }
+    
+    // MARK: - Public
+
+    func process(viewAction: SpaceDetailViewAction) {
+        switch viewAction {
+        case .loadData:
+            self.loadData()
+        case .join:
+            self.join()
+        case .leave:
+            self.leave()
+        case .dismiss:
+            self.coordinatorDelegate?.spaceDetailViewModelDidCancel(self)
+        case .dismissed:
+            self.coordinatorDelegate?.spaceDetailViewModelDidDismiss(self)
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func update(viewState: SpaceDetailViewState) {
+        self.viewDelegate?.spaceDetailViewModel(self, didUpdateViewState: viewState)
+    }
+    
+    private func loadData() {
+        guard let space = self.session.spaceService.getSpace(withId: self.spaceId), let summary = space.summary else {
+            MXLog.error("[SpaceDetailViewModel] setupViews: no space found")
+            return
+        }
+        
+        self.update(viewState: .loaded(space, nil, nil, nil, 0))
+        
+        self.update(viewState: .loading)
+        space.room.state { state in
+            let joinRule = state?.joinRule
+            let membersCount = summary.membersCount.members
+            
+            var inviterId: String?
+            var inviter: MXUser?
+            state?.stateEvents.forEach({ event in
+                if event.wireEventType == .roomMember && event.stateKey == self.session.myUserId {
+                    guard let userId = event.sender else {
+                        return
+                    }
+                    inviterId = userId
+                    inviter = self.session.user(withUserId: userId)
+                }
+            })
+            
+            self.update(viewState: .loaded(space, joinRule, inviterId, inviter, membersCount))
+        }
+    }
+    
+    private func join() {
+        self.update(viewState: .loading)
+        self.session.joinRoom(self.spaceId) { [weak self] (response) in
+            guard let self = self else { return }
+            switch response {
+            case .success:
+                self.process(viewAction: .dismiss)
+            case .failure(let error):
+                self.update(viewState: .error(error))
+            }
+        }
+    }
+    
+    private func leave() {
+        self.update(viewState: .loading)
+        self.session.leaveRoom(self.spaceId) { [weak self] (response) in
+            guard let self = self else { return }
+            switch response {
+            case .success:
+                self.process(viewAction: .dismiss)
+            case .failure(let error):
+                self.update(viewState: .error(error))
+            }
+        }
+    }
+}