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Add support for currency selection

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This commit is contained in:
Terry Yiu
2024-09-07 05:55:34 +03:00
parent cb0397ba98
commit edb10c48e6
11 changed files with 164 additions and 87 deletions
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24
Sources/SatsPrice/Network/CoinGeckoPriceFetcher.swift
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@@ -11,35 +11,35 @@
import Foundation
private struct CoinGeckoPriceResponse: Codable {
let bitcoin: CoinGeckoPrice
}
private struct CoinGeckoPrice: Codable {
#if !SKIP
let usd: Decimal
let bitcoin: [String: Decimal]
#else
let usd: String
let bitcoin: [String: String]
#endif
}
class CoinGeckoPriceFetcher : PriceFetcher {
private static let urlString = "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd&precision=18"
func urlString(toCurrency currency: Locale.Currency) -> String {
"https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=\(currency.identifier.lowercased())&precision=18"
}
func btcToUsd() async throws -> Decimal? {
func convertBTC(toCurrency currency: Locale.Currency) async throws -> Decimal? {
do {
guard let urlComponents = URLComponents(string: CoinGeckoPriceFetcher.urlString), let url = urlComponents.url else {
guard let urlComponents = URLComponents(string: urlString(toCurrency: currency)), let url = urlComponents.url else {
return nil
}
let (data, _) = try await URLSession.shared.data(from: url, delegate: nil)
let priceResponse = try JSONDecoder().decode(CoinGeckoPriceResponse.self, from: data)
let price = priceResponse.bitcoin
guard let price = priceResponse.bitcoin[currency.identifier.lowercased()] else {
return nil
}
#if !SKIP
return price.usd
return price
#else
return Decimal(price.usd)
return Decimal(price)
#endif
} catch {
return nil