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class LaunchListViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
    @IBOutlet var tableView: UITableView!
    var viewModel: LaunchListViewModelType = LaunchListViewModel()
    var disposeBag: DisposeBag!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.
        
        tableView.delegate = self

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struct LaunchResponse: Codable, Equatable {
    let docs: [Launch]?
}

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struct Launch: Codable, Equatable {
    let id: String?
    let name: String?
    let details: String?
    let date_utc: Date?
    let upcoming: Bool?
    let success: Bool?
    let rocket: String?
    
    init(id: String?, name: String?, details: String?, date_utc: Date?, upcoming: Bool?, success: Bool?, rocket: String?) {

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import Alamofire

protocol APIServiceProtocol {
    func fetchLaunchesWithQuery(startDate: Date, endDate: Date, completion: @escaping (LaunchResponse?, Error?, AFDataResponse<Any>) -> Void) -> DataRequestProtocol
    func fetchRocket(rocketName: String, completion: @escaping (Rocket?, Error?, AFDataResponse<Any>) -> Void) -> DataRequestProtocol
}

extension APIServiceProtocol {
    @discardableResult func fetchLaunchesWithQuery(startDate: Date = Calendar.current.date(byAdding: .year, value: -3, to: Date()) ?? Date(), endDate: Date = Date(), completion: @escaping (LaunchResponse?, Error?, AFDataResponse<Any>) -> Void) -> DataRequestProtocol {
        return fetchLaunchesWithQuery(startDate: startDate, endDate: endDate, completion: completion)

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import Foundation
import RxCocoa

protocol LaunchListTableViewCellViewModelType { // 1
    var launch: BehaviorRelay<Launch?> { get }
    var launchNumber: BehaviorRelay<String?> { get }
    var detail: BehaviorRelay<String?> { get }
    var hideDetail: BehaviorRelay<Bool> { get }
    var dateTime: BehaviorRelay<String?> { get }
    var statusString: BehaviorRelay<String?> { get }

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protocol LaunchListViewModelType {
    var launchViewModels: BehaviorRelay<[LaunchListTableViewCellViewModel]> { get } // 1
    var notifyError: BehaviorRelay<Error?> { get } // 2
    
    func fetchLaunchesWithQuery() // 3
}

class LaunchListViewModel: LaunchListViewModelType { 
    let apiService: APIServiceProtocol // 4
    

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import UIKit
import RxSwift

class LaunchListViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
    @IBOutlet var tableView: UITableView!
    var viewModel: LaunchListViewModelType = LaunchListViewModel()
    var disposeBag: DisposeBag!
    
    override func viewDidLoad() {
        super.viewDidLoad()

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import Alamofire

protocol APIServiceProtocol { // 1
    func fetchLaunchesWithQuery(startDate: Date, endDate: Date, completion: @escaping (LaunchResponse?, Error?, AFDataResponse<Any>) -> Void) -> DataRequestProtocol
    func fetchRocket(rocketName: String, completion: @escaping (Rocket?, Error?, AFDataResponse<Any>) -> Void) -> DataRequestProtocol
}

extension APIServiceProtocol { // 2
    @discardableResult func fetchLaunchesWithQuery(startDate: Date = Calendar.current.date(byAdding: .year, value: -3, to: Date()) ?? Date(), endDate: Date = Date(), completion: @escaping (LaunchResponse?, Error?, AFDataResponse<Any>) -> Void) -> DataRequestProtocol {
        return fetchLaunchesWithQuery(startDate: startDate, endDate: endDate, completion: completion)

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{
    "docs": [
        {
            "fairings": {
                "reused": false,
                "recovery_attempt": false,
                "recovered": false,
                "ships": []
            },
            "links": {

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{
    "height": {
        "meters": 70,
        "feet": 229.6
    },
    "diameter": {
        "meters": 12.2,
        "feet": 39.9
    },
    "mass": {