How to initialize multiple dictionary in json in 1 NSObject using SwiftyJson

Question

My API response is look like this

{
"error": false,
"id": "6",
"user_id": 7,
"users": [
    {
        "user_id": 1,
        "username": "spiderman"
    },
    {
        "user_id": 7,
        "username": "wonderwoman"
    }
    ],
"info": [
    {
        "id": 471,
        "message": "abc",
        "age": 10,
    }
    ]
}

I know how to initialize the value of id,user_id and error in NSOject. But I dont know how can I initialize the array of users and info in the same NSObject class.

Now I initialize the JSON like this

import UIKit
import SwiftyJSON

class MyItem: NSObject {

    var userId : Int
    var error : Bool 
    var id : Int 

    init?(dict: [String :JSON]) {
        self.id = dict["id"]?.int ?? 0
        self.error = dict["error"]?.bool ?? false
        self.userId = dict["userId"]?.int ?? 0
    }
}

Now the problem is I don't know how to initialize data inside the users and info dictionary.How should I arrange it and how can I use it in other class

Kindly give an example.

Answer 1

The best way to do this is to create 2 different classes for user and info as follows:

class MyItem : NSObject {

    var error : Bool!
    var id : String!
    var info : [Info]!
    var userId : Int!
    var users : [User]!

    init(fromJson json: JSON!){
        if json == nil{
            return
        }
        error = json["error"].boolValue
        id = json["id"].stringValue
        info = [Info]()
        let infoArray = json["info"].arrayValue
        for infoJson in infoArray{
            let value = Info(fromJson: infoJson)
            info.append(value)
        }
        userId = json["user_id"].intValue
        users = [User]()
        let usersArray = json["users"].arrayValue
        for usersJson in usersArray{
            let value = User(fromJson: usersJson)
            users.append(value)
        }
    }
}

class User : NSObject {

    var userId : Int!
    var username : String!


    init(fromJson json: JSON!){
        if json == nil{
            return
        }
        userId = json["user_id"].intValue
        username = json["username"].stringValue
    }
}

class Info : NSObject {

var age : Int!
var id : Int!
var message : String!

init(fromJson json: JSON!){
    if json == nil{
        return
    }
    age = json["age"].intValue
    id = json["id"].intValue
    message = json["message"].stringValue
}
}

By doing this you would be able to directly access the value of user and info like for eg: MyItem.users[index].userId