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Cache additional balances of domain (#458)
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unstoppable-ios-app/domains-manager-ios/Entities/Storages/WalletBalancesStorage.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| // | ||
| // WalletBalancesStorage.swift | ||
| // domains-manager-ios | ||
| // | ||
| // Created by Oleg Kuplin on 25.03.2024. | ||
| // | ||
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| import Foundation | ||
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| final class WalletBalancesStorage { | ||
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| private static let storageFileName = "wallets-balances-entities.data" | ||
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| private init() {} | ||
| static let instance = WalletBalancesStorage() | ||
| private var storage = SpecificStorage<[StoredWalletBalances]>(fileName: WalletBalancesStorage.storageFileName) | ||
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| func getCachedBalancesFor(domainName: DomainName) -> [WalletTokenPortfolio] { | ||
| (storage.retrieve() ?? []).first(where: { $0.domainName == domainName })?.balances ?? [] | ||
| } | ||
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| func cacheBalances(_ balances: [WalletTokenPortfolio], for domainName: DomainName) { | ||
| var storedBalances = storage.retrieve() ?? [] | ||
| let newBalance = StoredWalletBalances(domainName: domainName, balances: balances) | ||
| if let i = storedBalances.firstIndex(where: { $0.domainName == domainName }) { | ||
| storedBalances[i] = newBalance | ||
| } else { | ||
| storedBalances.append(newBalance) | ||
| } | ||
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| set(newBalances: storedBalances) | ||
| } | ||
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| private func set(newBalances: [StoredWalletBalances]) { | ||
| storage.store(newBalances) | ||
| } | ||
| } | ||
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| // MARK: - Private methods | ||
| private extension WalletBalancesStorage { | ||
| struct StoredWalletBalances: Codable { | ||
| let domainName: String | ||
| let balances: [WalletTokenPortfolio] | ||
| } | ||
| } |
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