74 lines
2.4 KiB
Swift
74 lines
2.4 KiB
Swift
//
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// Swiftfin is subject to the terms of the Mozilla Public
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// License, v2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at https://mozilla.org/MPL/2.0/.
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//
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// Copyright (c) 2022 Jellyfin & Jellyfin Contributors
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//
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import Combine
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import Foundation
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import JellyfinAPI
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final class ItemTypeLibraryViewModel: PagingLibraryViewModel {
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let itemTypes: [BaseItemKind]
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let filterViewModel: FilterViewModel
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init(itemTypes: [BaseItemKind], filters: ItemFilters) {
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self.itemTypes = itemTypes
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self.filterViewModel = .init(parent: nil, currentFilters: filters)
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super.init()
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filterViewModel.$currentFilters
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.sink { newFilters in
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self.requestItems(with: newFilters, replaceCurrentItems: true)
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}
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.store(in: &cancellables)
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}
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private func requestItems(with filters: ItemFilters, replaceCurrentItems: Bool = false) {
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if replaceCurrentItems {
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self.items = []
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self.currentPage = 0
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self.hasNextPage = true
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}
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let genreIDs = filters.genres.compactMap(\.id)
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let sortBy: [String] = filters.sortBy.map(\.filterName).appending("IsFolder")
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let sortOrder = filters.sortOrder.map { SortOrder(rawValue: $0.filterName) ?? .ascending }
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let itemFilters: [ItemFilter] = filters.filters.compactMap { .init(rawValue: $0.filterName) }
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ItemsAPI.getItemsByUserId(
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userId: SessionManager.main.currentLogin.user.id,
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startIndex: currentPage * pageItemSize,
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limit: pageItemSize,
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recursive: true,
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sortOrder: sortOrder,
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fields: ItemFields.allCases,
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includeItemTypes: itemTypes,
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filters: itemFilters,
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sortBy: sortBy,
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enableUserData: true,
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genreIds: genreIDs
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)
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.trackActivity(loading)
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.sink { [weak self] completion in
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self?.handleAPIRequestError(completion: completion)
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} receiveValue: { [weak self] response in
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guard let items = response.items, !items.isEmpty else {
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self?.hasNextPage = false
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return
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}
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self?.items.append(contentsOf: items)
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}
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.store(in: &cancellables)
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}
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override func _requestNextPage() {
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requestItems(with: filterViewModel.currentFilters)
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}
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}
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