Sending array in protocol - ios

Question

I'm trying to send an array from TableView to another TableView by using a protocol but when I'm trying to show data in the second TableView I got 1 element only in it, not the whole array.
From the model, I'm passing name in ExtendedIngredient array from HomeView to be displayed in the TableView in RecipesDetailsView
As in the above image, the ExtendedIngredient has 10 elements but it only shows 1 "all-purpose flour" and I want to show all 10 items.
Model:
struct Recipes: Codable {
let recipes: [Recipe]
}
struct Recipe: Codable {
let title: String?
let image: String?
let pricePerServing: Double?
let readyInMinutes, servings: Int?
let instructions: String?
let extendedIngredients: [ExtendedIngredient]
}
struct ExtendedIngredient: Codable {
let id: Int?
let aisle, image: String?
let name, original, originalString, originalName: String?
let amount: Double?
let unit: String?
let meta, metaInformation: [String]
}
HomeView:
protocol RecipesDetailsSelectActionDelegate: class {
func recipeDetails(
recipeTitle: String,
recipeImage: String,
recipeInstructions: String,
ingredientsNumber: String,
ingredientsNumbersInt: Int,
ingredientsName: [String]
)
}
class HomeView: UIView {
var recipes: Recipes?
var recipesDetails = [Recipe]()
weak var recipeDetailsViewSelectActionDelegate: RecipesDetailsSelectActionDelegate?
override init( frame: CGRect) {
super.init(frame: frame)
layoutUI()
}
lazy var foodTableView: UITableView = {
let foodTableView = UITableView()
foodTableView.translatesAutoresizingMaskIntoConstraints = false
foodTableView.backgroundColor = .customVeryLightGray()
foodTableView.delegate = self
foodTableView.dataSource = self
foodTableView.register(HomeTableViewCell.self, forCellReuseIdentifier: "HomeTableViewCell")
foodTableView.rowHeight = UITableView.automaticDimension
foodTableView.estimatedRowHeight = 100
foodTableView.showsVerticalScrollIndicator = false
foodTableView.separatorStyle = .none
return foodTableView
}()
}
extension HomeView: UITableViewDelegate, UITableViewDataSource {
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
recipeDetailsViewSelectActionDelegate?.recipeDetails(
recipeTitle: recipesDetails[indexPath.row].title ?? "Error",
recipeImage: recipesDetails[indexPath.row].image ?? "Error",
recipeInstructions: recipesDetails[indexPath.row].instructions ?? "Error",
ingredientsNumber: "\(recipesDetails[indexPath.row].extendedIngredients.count)",
ingredientsNumbersInt: recipesDetails[indexPath.row].extendedIngredients.count,
ingredientsName: [(recipesDetails[indexPath.row].extendedIngredients[indexPath.row].name ?? "")]
)
}
}
RecipesDetailsView:
class RecipesDetailsView: UIView {
override init(frame: CGRect) {
super.init(frame: frame)
layoutUI()
}
lazy var tableView: UITableView = {
let tableView = UITableView()
tableView.translatesAutoresizingMaskIntoConstraints = false
tableView.delegate = self
tableView.dataSource = self
tableView.rowHeight = UITableView.automaticDimension
tableView.estimatedRowHeight = 100
tableView.showsVerticalScrollIndicator = false
tableView.separatorStyle = .none
tableView.backgroundColor = .white
tableView.register(NumberOfIngredientsTableViewCell.self, forCellReuseIdentifier: "NumberOfIngredientsTableViewCell")
return tableView
}()
}
extension RecipesDetailsView: UITableViewDelegate, UITableViewDataSource {
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "NumberOfIngredientsTableViewCell", for: indexPath) as! NumberOfIngredientsTableViewCell
cell.theNameOfIngredient.text = recipeVC.ingredientsName[indexPath.row]
return cell
}
}
HomeViewController:
class HomeViewController: UIViewController {
lazy var mainView: HomeView = {
let view = HomeView(frame: self.view.frame)
view.recipeDetailsViewSelectActionDelegate = self
return view
}()
}
extension HomeViewController: RecipesDetailsSelectActionDelegate {
func recipeDetails(recipeTitle: String, recipeImage: String, recipeInstructions: String, ingredientsNumber: String, ingredientsNumbersInt: Int, ingredientsName: [String]) {
let vc = RecipesDetailsViewController()
vc.recipeTitle = recipeTitle
vc.recipeImage = recipeImage
vc.recipeInstructions = recipeInstructions
vc.ingredientsNumber = ingredientsNumber
vc.ingredientsNumberInt = ingredientsNumbersInt
vc.ingredientsName = ingredientsName
self.show(vc, sender: nil)
}
}
RecipesDetailsViewController:
class RecipesDetailsViewController: UIViewController {
var recipeTitle: String?
var recipeImage: String?
var recipeInstructions: String?
var ingredientsNumber: String?
var ingredientsNumberInt: Int?
var ingredientsName: [String] = []
lazy var mainView: RecipesDetailsView = {
let view = RecipesDetailsView(frame: self.view.frame)
view.backgroundColor = .white
return view
}()
override func loadView() {
super.loadView()
mainView.recipeVC = self
view = mainView
}
}

Answer 1

The problem lies in the following line:
ingredientsName:[(recipesDetails[indexPath.row].extendedIngredients[indexPath.row].name ?? "")]
"extendedIngredients[indexPath.row]" this expression will always return just one object depending upon the selected row.
You might have to do something like:
(recipesDetails[indexPath.row].extendedIngredients.compactMap({$0.name}))