element-x-ios/ElementX/Sources/Screens/HomeScreen/HomeScreenModels.swift

91 lines
2.4 KiB
Swift

//
// Copyright 2022 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 UIKit
enum HomeScreenViewModelAction {
case selectRoom(roomIdentifier: String)
case tapUserAvatar
case verifySession
}
enum HomeScreenViewAction {
case loadRoomData(roomIdentifier: String)
case selectRoom(roomIdentifier: String)
case tapUserAvatar
case verifySession
}
struct HomeScreenViewState: BindableState {
var userDisplayName: String
var userAvatar: UIImage?
var showSessionVerificationBanner = false
var rooms: [HomeScreenRoom] = []
var isLoadingRooms = false
var visibleDMs: [HomeScreenRoom] {
searchFilteredRooms.filter(\.isDirect)
}
var visibleRooms: [HomeScreenRoom] {
searchFilteredRooms.filter { !$0.isDirect }
}
private var searchFilteredRooms: LazyFilterSequence<LazySequence<[HomeScreenRoom]>.Elements> {
guard !bindings.searchQuery.isEmpty else {
// This extra filter is fine for now as there are always downstream filters
// but if that changes, this approach should be reconsidered.
return rooms.lazy.filter { _ in true }
}
return rooms.lazy.filter { $0.displayName?.localizedStandardContains(bindings.searchQuery) ?? false }
}
var bindings = HomeScreenViewStateBindings()
}
struct HomeScreenViewStateBindings {
var searchQuery = ""
}
struct HomeScreenRoom: Identifiable, Equatable {
let id: String
var displayName: String?
var topic: String?
var lastMessage: String?
var avatar: UIImage?
let isDirect: Bool
let isEncrypted: Bool
let isSpace: Bool
let isTombstoned: Bool
}
extension MutableCollection where Element == HomeScreenRoom {
mutating func updateEach(_ update: (inout Element) -> Void) {
for index in indices {
update(&self[index])
}
}
}