94 lines
3.2 KiB
Swift
94 lines
3.2 KiB
Swift
import Foundation
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import Combine
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final class MainContentRankingViewModel: ObservableObject {
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private let repository = MainContentRankingRepository()
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private var subscription = Set<AnyCancellable>()
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@Published var isLoading = false
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@Published var isShowPopup = false
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@Published var errorMessage = ""
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@Published var items = [AudioRankingItemResponse]()
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@Published var showRankChange = false
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@Published var hasLoaded = false
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@Published var selectedType: AudioRankingType = .weeklyPopular
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var emptyStateMessage: String {
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if !errorMessage.isEmpty {
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return errorMessage
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}
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return I18n.MainContentRanking.emptyStateMessage
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}
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var shouldShowEmptyState: Bool {
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hasLoaded && !isLoading && items.isEmpty
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}
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func fetchRankings() {
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guard !isLoading else { return }
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isLoading = true
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repository.getAudioRankings(type: selectedType)
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.sink { [weak self] result in
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guard let self else { return }
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switch result {
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case .finished:
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DEBUG_LOG("finish")
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case .failure(let error):
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ERROR_LOG(error.localizedDescription)
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self.items = []
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self.showRankChange = false
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self.errorMessage = I18n.MainContentRanking.loadFailedMessage
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self.isShowPopup = true
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self.isLoading = false
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self.hasLoaded = true
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}
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} receiveValue: { [weak self] response in
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guard let self else { return }
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let responseData = response.data
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do {
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let jsonDecoder = JSONDecoder()
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let decoded = try jsonDecoder.decode(ApiResponse<AudioRankingResponse>.self, from: responseData)
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if let data = decoded.data, decoded.success, !data.items.isEmpty {
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self.errorMessage = ""
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self.items = Array(data.items.prefix(20))
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self.showRankChange = data.showRankChange
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} else {
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self.items = []
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self.showRankChange = false
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self.errorMessage = decoded.success ? "" : I18n.MainContentRanking.loadFailedMessage
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self.isShowPopup = !decoded.success
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}
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} catch {
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ERROR_LOG(error.localizedDescription)
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self.items = []
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self.showRankChange = false
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self.errorMessage = I18n.MainContentRanking.loadFailedMessage
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self.isShowPopup = true
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}
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self.isLoading = false
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self.hasLoaded = true
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}
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.store(in: &subscription)
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}
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func selectType(_ type: AudioRankingType) {
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guard selectedType != type else { return }
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subscription.forEach { $0.cancel() }
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subscription.removeAll()
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selectedType = type
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items = []
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isLoading = false
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hasLoaded = false
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fetchRankings()
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}
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}
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