49 lines
1.4 KiB
Swift
49 lines
1.4 KiB
Swift
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//
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// StockSettingsStore.swift
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// iris
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//
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import Foundation
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import Combine
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@MainActor
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final class StockSettingsStore: ObservableObject {
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nonisolated static let userDefaultsKey = "iris.stock.symbols"
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@Published private(set) var symbols: [String] = []
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private let maxSymbols = 5
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init() {
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loadSymbols()
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}
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private func loadSymbols() {
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symbols = UserDefaults.standard.stringArray(forKey: Self.userDefaultsKey) ?? []
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}
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func saveSymbols(_ newSymbols: [String]) {
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let cleaned = newSymbols
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.map { $0.uppercased().trimmingCharacters(in: .whitespacesAndNewlines) }
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.filter { !$0.isEmpty }
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.prefix(maxSymbols)
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symbols = Array(cleaned)
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UserDefaults.standard.set(symbols, forKey: Self.userDefaultsKey)
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}
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@discardableResult
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func addSymbol(_ symbol: String) -> Bool {
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guard symbols.count < maxSymbols else { return false }
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let cleaned = symbol.uppercased().trimmingCharacters(in: .whitespacesAndNewlines)
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guard !cleaned.isEmpty, !symbols.contains(cleaned) else { return false }
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symbols.append(cleaned)
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UserDefaults.standard.set(symbols, forKey: Self.userDefaultsKey)
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return true
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}
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func removeSymbol(_ symbol: String) {
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symbols.removeAll { $0 == symbol.uppercased() }
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UserDefaults.standard.set(symbols, forKey: Self.userDefaultsKey)
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}
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}
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