106 lines
4.1 KiB
Swift
106 lines
4.1 KiB
Swift
//
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// Copyright (c) 2020 Loverde Co.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import Foundation
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//MARK: - Codables convertions
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public extension Encodable {
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subscript(key: String) -> Any? {
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return dictionary[key]
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}
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var dictionary: [String: Any] {
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return (try? JSONSerialization.jsonObject(with: JSONEncoder().encode(self))) as? [String: Any] ?? [:]
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}
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var json: String {
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return self.dictionary.convertToJSON
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}
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var data: Data {
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return self.json.data
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}
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}
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extension JSONDecoder {
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/// - LoverdeCo: Decode JSON Data to Object
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///
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/// - Parameter data: Data
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/// - returns: Object: Codable/Decodable
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public static func decode<T: Codable>(data: Data) throws -> T {
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var error = NSError(domain: "", code: 0)
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let decoder = JSONDecoder()
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decoder.keyDecodingStrategy = .useDefaultKeys
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do {
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return try decoder.decode(T.self, from: data)
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} catch let DecodingError.keyNotFound(key, context) {
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let msg = "Missing key '\(key.stringValue)' in \(T.self) Object in JSON: \(context.debugDescription)"
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error = NSError.createErrorWith(code: 0, description: msg, reasonForError: msg)
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} catch let DecodingError.typeMismatch(type, context) {
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let msg = "Type mismatch for type '\(type)' \(T.self) Object: \(context.debugDescription)"
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error = NSError.createErrorWith(code: 0, description: msg, reasonForError: msg)
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} catch let DecodingError.valueNotFound(value, context) {
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let key = context.codingPath.last?.stringValue ?? "unknown_key"
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let msg = "Missing value '\(value)' for key '\(key)' in \(T.self) Object in JSON: \(context.debugDescription)"
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error = NSError.createErrorWith(code: 0, description: msg, reasonForError: msg)
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} catch {
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throw error
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}
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throw error
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}
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/// - LoverdeCo: Decode JSON String to Object
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///
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/// - Parameter json: String
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/// - returns: Object: Codable/Decodable
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public static func decode<T: Codable>(_ json: String, using encoding: String.Encoding = .utf8) throws -> T {
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var error = NSError()
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if let jsonData = json.data(using: .utf8) {
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do {
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return try decode(data: jsonData)
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} catch {
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throw error
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}
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}
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throw error
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}
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/// - LoverdeCo: Decode JSON URL to Object
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///
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/// - Parameter url: URL
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/// - returns: Object: Codable/Decodable
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public static func decode<T: Codable>(fromURL url: URL) throws -> T {
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return try decode(data: try! Data(contentsOf: url))
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}
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public static func decode<T: Codable>(dictionary: Any) throws -> T {
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do {
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let json = try JSONSerialization.data(withJSONObject: dictionary)
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let decoder = JSONDecoder()
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decoder.keyDecodingStrategy = .convertFromSnakeCase
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return try decoder.decode(T.self, from: json)
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} catch {
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printError(title: "JSONDecoder.decode<T: Codable>", msg: error, prettyPrint: true)
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throw error
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}
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}
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}
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