Assign JSON Response to Model SwiftUI - ios

Question

I have successfully parsed JSON by creating a Model. But now I want a View Model which talks to View and the View updates whenever the Model Updates. But I m having hard time initialising the model.
My simplified model looks like this.
PeopleListM.swift
import SwiftUI
import Alamofire
struct PeopleListM: Decodable {
var all: [Person]
enum CodingKeys: String, CodingKey {
case all = "people"
}
struct Person: Decodable {
let name: String
let email: String
let favorite: Bool
let lastSent: String?
enum CodingKeys: String, CodingKey {
case name
case email = "email_id"
case favorite
case lastSent = "last_sent"
}
}
init() {
let headers: HTTPHeaders = ["disableauth" : "true", "Content-Type": "application/json"]
AF.request("MY URL", parameters: nil, headers: headers)
.validate()
.responseDecodable(of: PeopleListM.self) { (response) in
guard let result = response.value else { return }
self.all = result.all
}
}
This code gives me error Escaping closure captures mutating 'self' parameter
I tried changing line self.all = result.all with self = result, same error.
My further plan is create a class which conforms to ObservableObject
PeopleListVM.swift
import SwiftUI
class PeopleListVM: ObservableObject {
let people = PeopleListVM.createModel()
static func createModel() {
PeopleListM()
}
}

Answer 1

final class PeopleListVM: ObservableObject {
#Published var people = PeopleListVM.createModel()
static func createModel() {
PeopleListM()
}
func request() {
// networking here...
// update people in callback
// ... self.people = newPeople
}
}
struct Model: View {
#ObservableObject var vm = PeopleListVM()
// ...
}
You generally won't put networking code in struct, because networking always comes with state changes, when value type is meant to be immutable.