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| 1 | +// |
| 2 | +// DataRequest+Result.swift |
| 3 | +// TryTVOS |
| 4 | +// |
| 5 | +// Created by Ben on 11/15/16. |
| 6 | +// Copyright © 2016 bcylin. |
| 7 | +// |
| 8 | +// Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | +// of this software and associated documentation files (the "Software"), to deal |
| 10 | +// in the Software without restriction, including without limitation the rights |
| 11 | +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | +// copies of the Software, and to permit persons to whom the Software is |
| 13 | +// furnished to do so, subject to the following conditions: |
| 14 | +// |
| 15 | +// The above copyright notice and this permission notice shall be included in all |
| 16 | +// copies or substantial portions of the Software. |
| 17 | +// |
| 18 | +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 21 | +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 23 | +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 24 | +// SOFTWARE. |
| 25 | +// |
| 26 | + |
| 27 | +import Foundation |
| 28 | +import Alamofire |
| 29 | +import Freddy |
| 30 | + |
| 31 | +enum Result<T> { |
| 32 | + case success(T) |
| 33 | + case failure(Error) |
| 34 | + |
| 35 | + func mapSuccess<U>(_ transform: (T) -> U) -> Result<U> { |
| 36 | + switch self { |
| 37 | + case .success(let value): return .success(transform(value)) |
| 38 | + case .failure(let error): return .failure(error) |
| 39 | + } |
| 40 | + } |
| 41 | + |
| 42 | + func mapError(_ transform: (Error) -> Void) -> Result<T> { |
| 43 | + switch self { |
| 44 | + case .success(_): break |
| 45 | + case .failure(let error): transform(error) |
| 46 | + } |
| 47 | + return self |
| 48 | + } |
| 49 | + |
| 50 | +} |
| 51 | + |
| 52 | + |
| 53 | +//////////////////////////////////////////////////////////////////////////////// |
| 54 | + |
| 55 | + |
| 56 | +extension DataRequest { |
| 57 | + |
| 58 | + func responseJSONObject( |
| 59 | + queue: DispatchQueue? = nil, |
| 60 | + options: JSONSerialization.ReadingOptions = .allowFragments, |
| 61 | + completion: @escaping (Result<JSON>) -> Void |
| 62 | + ) -> Self { |
| 63 | + let serializer = DataRequest.jsonResponseSerializer(options: options) |
| 64 | + |
| 65 | + return response(queue: queue, responseSerializer: serializer) { response in |
| 66 | + guard let data = response.data else { |
| 67 | + let error = response.result.error ?? NSError(domain: "io.github.bcylin.try-tvos", code: NSURLErrorUnknown, userInfo: nil) |
| 68 | + completion(.failure(error)) |
| 69 | + return |
| 70 | + } |
| 71 | + |
| 72 | + do { |
| 73 | + let json = try JSON(data: data) |
| 74 | + completion(.success(json)) |
| 75 | + } catch { |
| 76 | + completion(.failure(error)) |
| 77 | + } |
| 78 | + } |
| 79 | + } |
| 80 | + |
| 81 | +} |
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