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Send Coindesk related code to its own folder. Create
CoindeskApiClient
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penafernando
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Oct 27, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| // | ||
| // CoindeskApiClient.swift | ||
| // CurrenciesApp | ||
| // | ||
| // Created by Fernando Pena on 27/10/2022. | ||
| // | ||
|
|
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| import Foundation | ||
|
|
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| class CoindeskApiClient { | ||
| func fetchCurrencies(completionHandler: @escaping (Result<CoindeskResponseDTO, Error>) -> Void) { | ||
| let url = URL(string: "https://production.api.coindesk.com/v2/exchange-rates")! | ||
| URLSession.shared.dataTask(with: url) { (data, response, error) in | ||
| guard let data = data else { | ||
| completionHandler(.failure(error ?? ApiClientError.emptyData)) | ||
| return | ||
| } | ||
| do { | ||
| let dto = try JSONDecoder().decode(CoindeskResponseDTO.self, from: data) | ||
| completionHandler(.success(dto)) | ||
| } catch { | ||
| completionHandler(.failure(error)) | ||
| } | ||
| }.resume() | ||
| } | ||
| } | ||
|
|
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| enum ApiClientError: Error { | ||
| case emptyData | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| // | ||
| // CoindeskResponseDTO.swift | ||
| // CurrenciesApp | ||
| // | ||
| // Created by Fernando Pena on 27/10/2022. | ||
| // | ||
|
|
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| import Foundation | ||
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| struct CoindeskResponseDTO: Decodable { | ||
| let statusCode: Int | ||
| let message: String | ||
| let data: [String: Coin] | ||
|
|
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| struct Coin: Decodable { | ||
| let iso, name, slug: String | ||
| let rate: Double | ||
| } | ||
| } |
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