Filtering TableView with array in array - ios

Question

I have 2 methods:
class Sign {
let code: String
let name: String
let description: String
let picture: String
init(code: String, name: String, description: String, picture: String) {
self.code = code
self.name = name
self.description = description
self.picture = picture
}
}
class Category {
let name: String
let sign: [Sign]
init(name: String, sign: [Sign]) {
self.name = name
self.sign = sign
}
}
Both are used to be in TableView - Category as section title and Sign as section row. I tried to implement searchBar above tableView, but when I start type keyword I see only Category names filtered. Do you have any idea how to figure out that?
Eg.
var categories: [Category] = [
Category(name: "X", sign: [Sign(code: "X-1", name: "***"),
Category(name: "Y", sign: [Sign(code: "Y-1", name: "Yyy"),
After typing "yy" || "y" in search bar I need my tableView shows only Sign which contains "yy".
My current TableView configuration:
override func numberOfSections(in tableView: UITableView) -> Int {
return filteredCategories.count
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return filteredCategories[section].sign.count
}
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
switch section {
case 0:
return filteredCategories[0].name
case 1:
return filteredCategories[1].name
case 2:
return filteredCategories[2].name
case 3:
return filteredCategories[3].name
default:
return "Error"
}
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: PropertyKeys.categorieCell, for: indexPath) as! SignTableViewCell
let categorie = filteredCategories[indexPath.section]
let sign = categorie.sign[indexPath.row]
cell.signImagemin.image = UIImage(named: sign.picture)
cell.signCodeMin.text = sign.code
cell.signDescriptionMin.text = sign.name
return cell
}
My current searchBar func:
func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
filteredCategories = []
let text = searchText.lowercased()
if searchText == "" {
filteredCategories = categories
} else {
for categorie in categories {
if categorie.name.lowercased().contains(searchText.lowercased()) {
let signs = categorie.sign.filter() { $0.name.contains(searchText) }
let newCat = categorie
newCat.sign = signs
filteredCategories.append(newCat)
}
}
}
self.tableView.reloadData()
}
Thank you!
Eg.: In this tableView clean
Want to see only signs which contain "A1" and Cat A above as section name
result

Answer 1

You just control the categorie.name contains the giving search keyword.You must add also this categorie.sign.filter({$0.name.contains(searchText)}).count != 0 to your if condition. It will be like
if categorie.sign.filter({$0.name.contains(searchText)}).count != 0{
// codes here
}
Also you declared sign in Category class with let so
let newCat = categorie
newCat.sign = signs
Above code is illegal You need to change let with var in class
Category
var sign: [Sign]