Migrating Codable

import Foundation

struct DataModel: Codable {
	let name: String
	let description: String
}

struct DataModelV1: Codable {
	let name: String
}


extension DataModel {
	
	init?(data: Data) {
		
		let decoder = JSONDecoder()
		
		if let dataModel = try? decoder.decode(DataModel.self, from: data) {
			self = dataModel
		} else if let v1 = try? decoder.decode(DataModelV1.self, from: data) {
			self = DataModel(v1: v1)
		} else {
			return nil
		}
	}
	
	init(v1: DataModelV1) {
		self.name = v1.name
		self.description = "" // Or whatever defaul
	}
}