element-ios/Riot/Modules/ContextMenu/ViewModels/RoomContextPreviewViewModel...

83 lines
2.8 KiB
Swift

//
// Copyright 2022-2024 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only
// Please see LICENSE in the repository root for full details.
//
import Foundation
/// `RoomContextPreviewViewModel` provides the data to the `RoomContextPreviewViewController` from an instance of `MXRoom`
class RoomContextPreviewViewModel: RoomContextPreviewViewModelProtocol {
// MARK: - Properties
private let room: MXRoom
weak var viewDelegate: RoomContextPreviewViewModelViewDelegate?
// MARK: - Setup
init(room: MXRoom) {
self.room = room
}
// MARK: - RoomContextPreviewViewModelProtocol
func process(viewAction: RoomContextPreviewViewAction) {
switch viewAction {
case .loadData:
self.loadData()
}
}
// MARK: - Private
private func loadData() {
let parameters = RoomContextPreviewLoadedParameters(
roomId: self.room.roomId,
roomType: self.room.summary?.roomType ?? .none,
displayName: self.room.displayName,
topic: self.room.summary?.topic,
avatarUrl: self.room.summary?.avatar,
joinRule: .public,
membership: self.room.summary?.membership ?? .unknown,
inviterId: nil,
inviter: nil,
membersCount: 0)
self.viewDelegate?.roomContextPreviewViewModel(self, didUpdateViewState: .loaded(parameters))
room.state { roomState in
let membersCount = roomState?.members.joinedMembers.count ?? 0
var inviteEvent: MXEvent?
roomState?.stateEvents.forEach({ event in
guard let membership = event.wireContent["membership"] as? String, membership == "invite", event.stateKey == self.room.mxSession.myUserId else {
return
}
inviteEvent = event
})
let inviter: MXUser?
if let inviterId = inviteEvent?.sender {
inviter = self.room.mxSession.user(withUserId: inviterId)
} else {
inviter = nil
}
let parameters = RoomContextPreviewLoadedParameters(
roomId: self.room.roomId,
roomType: self.room.summary?.roomType ?? .none,
displayName: self.room.displayName,
topic: roomState?.topic,
avatarUrl: roomState?.avatar,
joinRule: roomState?.joinRule,
membership: self.room.summary?.membership ?? .unknown,
inviterId: inviteEvent?.sender,
inviter: inviter,
membersCount: membersCount)
self.viewDelegate?.roomContextPreviewViewModel(self, didUpdateViewState: .loaded(parameters))
}
}
}