jellyflood/Shared/ViewModels/PagingLibraryViewModel.swift

73 lines
1.7 KiB
Swift

//
// Swiftfin is subject to the terms of the Mozilla Public
// License, v2.0. If a copy of the MPL was not distributed with this
// file, you can obtain one at https://mozilla.org/MPL/2.0/.
//
// Copyright (c) 2023 Jellyfin & Jellyfin Contributors
//
import Defaults
import Foundation
import Get
import JellyfinAPI
import OrderedCollections
import UIKit
class PagingLibraryViewModel: ViewModel {
@Default(.Customization.Library.gridPosterType)
private var libraryGridPosterType
@Published
var items: OrderedSet<BaseItemDto> = []
var currentPage = 0
var hasNextPage = true
var pageItemSize: Int {
let height = libraryGridPosterType == .portrait ? libraryGridPosterType.width * 1.5 : libraryGridPosterType.width / 1.77
return UIScreen.main.maxChildren(width: libraryGridPosterType.width, height: height)
}
public func getRandomItemFromLibrary() async throws -> BaseItemDtoQueryResult {
var parameters = _getDefaultParams()
parameters?.limit = 1
parameters?.sortBy = [SortBy.random.rawValue]
await MainActor.run {
self.isLoading = true
}
let request = Paths.getItems(parameters: parameters)
let response = try await userSession.client.send(request)
await MainActor.run {
self.isLoading = false
}
return response.value
}
func _getDefaultParams() -> Paths.GetItemsParameters? {
Paths.GetItemsParameters()
}
func refresh() {
currentPage = 0
hasNextPage = true
items = []
requestNextPage()
}
func requestNextPage() {
guard hasNextPage else { return }
currentPage += 1
_requestNextPage()
}
func _requestNextPage() {}
}