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https://github.com/vector-im/element-ios.git
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91 lines
3.2 KiB
Swift
91 lines
3.2 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Foundation
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/// `RoomContextPreviewViewModel` provides the data to the `RoomContextPreviewViewController` from an instance of `MXRoom`
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class RoomContextPreviewViewModel: RoomContextPreviewViewModelProtocol {
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// MARK: - Properties
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private let room: MXRoom
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weak var viewDelegate: RoomContextPreviewViewModelViewDelegate?
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// MARK: - Setup
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init(room: MXRoom) {
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self.room = room
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}
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// MARK: - RoomContextPreviewViewModelProtocol
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func process(viewAction: RoomContextPreviewViewAction) {
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switch viewAction {
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case .loadData:
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self.loadData()
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}
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}
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// MARK: - Private
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private func loadData() {
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let parameters = RoomContextPreviewLoadedParameters(
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roomId: self.room.roomId,
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roomType: self.room.summary?.roomType ?? .none,
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displayName: self.room.displayName,
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topic: self.room.summary?.topic,
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avatarUrl: self.room.summary?.avatar,
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joinRule: .public,
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membership: self.room.summary?.membership ?? .unknown,
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inviterId: nil,
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inviter: nil,
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membersCount: 0)
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self.viewDelegate?.roomContextPreviewViewModel(self, didUpdateViewState: .loaded(parameters))
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room.state { roomState in
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let membersCount = roomState?.members.joinedMembers.count ?? 0
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var inviteEvent: MXEvent?
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roomState?.stateEvents.forEach({ event in
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guard let membership = event.wireContent["membership"] as? String, membership == "invite", event.stateKey == self.room.mxSession.myUserId else {
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return
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}
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inviteEvent = event
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})
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let inviter: MXUser?
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if let inviterId = inviteEvent?.sender {
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inviter = self.room.mxSession.user(withUserId: inviterId)
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} else {
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inviter = nil
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}
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let parameters = RoomContextPreviewLoadedParameters(
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roomId: self.room.roomId,
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roomType: self.room.summary?.roomType ?? .none,
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displayName: self.room.displayName,
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topic: roomState?.topic,
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avatarUrl: roomState?.avatar,
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joinRule: roomState?.joinRule,
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membership: self.room.summary?.membership ?? .unknown,
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inviterId: inviteEvent?.sender,
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inviter: inviter,
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membersCount: membersCount)
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self.viewDelegate?.roomContextPreviewViewModel(self, didUpdateViewState: .loaded(parameters))
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}
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}
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}
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