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15 changes: 0 additions & 15 deletions
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UnstoppableWallet/UnstoppableWallet/Modules/Market/Platform/MarketPlatformView.swift
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94 changes: 94 additions & 0 deletions
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UnstoppableWallet/UnstoppableWallet/Modules/Market/Platform/MarketPlatformViewModel.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| import Combine | ||
| import Foundation | ||
| import HsExtensions | ||
| import MarketKit | ||
|
|
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| class MarketPlatformViewModel: ObservableObject { | ||
| private let marketKit = App.shared.marketKit | ||
| private let currencyManager = App.shared.currencyManager | ||
|
|
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| let platform: TopPlatform | ||
|
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| private var cancellables = Set<AnyCancellable>() | ||
| private var tasks = Set<AnyTask>() | ||
|
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| private var internalState: State = .loading { | ||
| didSet { | ||
| syncState() | ||
| } | ||
| } | ||
|
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| @Published var state: State = .loading | ||
|
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| var sortBy: MarketModule.SortBy = .highestCap { | ||
| didSet { | ||
| stat(page: .topPlatform, event: .switchSortType(sortType: sortBy.statSortType)) | ||
| syncState() | ||
| } | ||
| } | ||
|
|
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| init(platform: TopPlatform) { | ||
| self.platform = platform | ||
| currencyManager.$baseCurrency | ||
| .sink { [weak self] _ in | ||
| self?.sync() | ||
| } | ||
| .store(in: &cancellables) | ||
|
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| sync() | ||
| } | ||
|
|
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| private func syncState() { | ||
| switch internalState { | ||
| case .loading: | ||
| state = .loading | ||
| case let .loaded(marketInfos): | ||
| state = .loaded(marketInfos: marketInfos.sorted(sortBy: sortBy, timePeriod: .day1)) | ||
| case let .failed(error): | ||
| state = .failed(error: error) | ||
| } | ||
| } | ||
| } | ||
|
|
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| extension MarketPlatformViewModel { | ||
| var currency: Currency { | ||
| currencyManager.baseCurrency | ||
| } | ||
|
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| var sortBys: [MarketModule.SortBy] { | ||
| [.highestCap, .lowestCap, .gainers, .losers] | ||
| } | ||
|
|
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| func sync() { | ||
| tasks = Set() | ||
|
|
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| if case .failed = internalState { | ||
| internalState = .loading | ||
| } | ||
|
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| let platform = platform | ||
|
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| Task { [weak self, marketKit, currency] in | ||
| do { | ||
| let marketInfos = try await marketKit.topPlatformMarketInfos(blockchain: platform.blockchain.uid, currencyCode: currency.code) | ||
|
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| await MainActor.run { [weak self] in | ||
| self?.internalState = .loaded(marketInfos: marketInfos) | ||
| } | ||
| } catch { | ||
| await MainActor.run { [weak self] in | ||
| self?.internalState = .failed(error: error) | ||
| } | ||
| } | ||
| } | ||
| .store(in: &tasks) | ||
| } | ||
| } | ||
|
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| extension MarketPlatformViewModel { | ||
| enum State { | ||
| case loading | ||
| case loaded(marketInfos: [MarketInfo]) | ||
| case failed(error: Error) | ||
| } | ||
| } |
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