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51 lines
2 KiB
Swift
51 lines
2 KiB
Swift
//
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// FiatUnit.swift
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// BlueWallet
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//
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// Created by Marcos Rodriguez on 11/20/20.
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// Copyright © 2020 BlueWallet. All rights reserved.
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//
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import Foundation
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struct FiatUnit: Codable {
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let endPointKey: String
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let symbol: String
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let locale: String
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let source: String
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}
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func fiatUnit(currency: String) -> FiatUnit? {
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return Bundle.main.decode([String: FiatUnit].self, from: "fiatUnits.json").first(where: {$1.endPointKey == currency})?.value
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}
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extension Bundle {
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func decode<T: Decodable>(_ type: T.Type, from file: String, dateDecodingStrategy: JSONDecoder.DateDecodingStrategy = .deferredToDate, keyDecodingStrategy: JSONDecoder.KeyDecodingStrategy = .useDefaultKeys) -> T {
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guard let url = self.url(forResource: file, withExtension: nil) else {
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fatalError("Failed to locate \(file) in bundle.")
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}
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guard let data = try? Data(contentsOf: url) else {
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fatalError("Failed to load \(file) from bundle.")
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}
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let decoder = JSONDecoder()
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decoder.dateDecodingStrategy = dateDecodingStrategy
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decoder.keyDecodingStrategy = keyDecodingStrategy
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do {
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return try decoder.decode(T.self, from: data)
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} catch DecodingError.keyNotFound(let key, let context) {
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fatalError("Failed to decode \(file) from bundle due to missing key '\(key.stringValue)' not found – \(context.debugDescription)")
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} catch DecodingError.typeMismatch(_, let context) {
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fatalError("Failed to decode \(file) from bundle due to type mismatch – \(context.debugDescription)")
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} catch DecodingError.valueNotFound(let type, let context) {
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fatalError("Failed to decode \(file) from bundle due to missing \(type) value – \(context.debugDescription)")
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} catch DecodingError.dataCorrupted(_) {
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fatalError("Failed to decode \(file) from bundle because it appears to be invalid JSON")
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} catch {
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fatalError("Failed to decode \(file) from bundle: \(error.localizedDescription)")
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}
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}
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}
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