Simple Clean Arcitecture

CleanArchitecture.swift

struct CreateOrderRequest {
    // MARK:
    // Interactor
    // Get or fetch Model Response From API
    struct CreateOrderResponse {
        // MARK:
        // ViewModel ~> Responsibility to parse Interactor response to Model View
        struct CreateOrderViewModel {
            let orderNumber: Int
            let orderName: String
            let orderCount: Int
        }
        
        var result: CreateOrderViewModel?
        
        private init(data: [String: Any]) {
            result = parse(data: data)
        }
        
        private func parse(data: [String: Any]) -> CreateOrderViewModel? {
            guard let orderNumber = data["order_number"] as? Int,
                let orderName = data["order_name"] as? String,
                let orderCount = data["order_count"] as? Int else { return nil }
            
            return CreateOrderViewModel(orderNumber: orderNumber, orderName: orderName, orderCount: orderCount)
        }
    }
    
    var response: CreateOrderResponse?
    
    private init() {
        response = fetch()
    }
    
    private func fetch() -> CreateOrderResponse {
        let data: [String: Any] = [
            "order_number": 123456,
            "order_name": "Adidas",
            "order_count": 1
        ]
        return CreateOrderResponse(data: data)
    }
}

let orderRequest = CreateOrderRequest()
print(orderRequest.response?.result?.orderName)