json string is not converting to model

Question

I have json response as below.

{"StatusCode":1,"Data":{"AndroidVersion":"1","IOSVersion":"1"},"Pager":null,"Error":null}

Now I want to convert to model where I have string extension as below.

func toJSON() -> Any? {
    guard let data = self.data(using: .utf8, allowLossyConversion: false) else { return nil }
    return try? JSONSerialization.jsonObject(with: data, options: .mutableContainers)
}

Model is as below

struct MobileSettingsModel : Codable {
    
    var StatusCode : Int?
}

Now I try to use as below.

let settingObject : MobileSettingsModel = response.toJSON() as? MobileSettingsModel ?? MobileSettingsModel()
"settingObject==\(settingObject)".printLog()

Why I get response as below

settingObject==MobileSettingsModel(StatusCode: nil)

I was expecting it to be

settingObject==MobileSettingsModel(StatusCode: 1)

Any idea what I am missing?

Does this answer your question? Simple and clean way to convert JSON string to Object in Swift — tomerpacific
– tomerpacific, Commented May 28, 2024 at 11:23
@tomerpacific : Which answer? By the way b.name = (json["name"] as AnyObject? as? String) ?? "" is not what I wanted to try.. If I have 10 variables in object, I will die... who will manually converts everything... — Fahim Parkar
– Fahim Parkar, Commented May 28, 2024 at 11:30
You can never cast a dictionary to a custom type. Didn’t you get a compiler warning? — Joakim Danielson
– Joakim Danielson, Commented May 28, 2024 at 12:40

Fahim Parkar · Accepted Answer · 2024-05-28 11:34:29Z

0

Finally I found.. I should have used JSONDecoder to decode...

Below is what works with me...

if let data = response.decryptMessage().data(using: .utf8) {
    do {
        let yourModel = try JSONDecoder().decode(MobileSettingsModel.self, from: data)
        print("JSON Object:", yourModel)
    } catch {
        print("Error parsing JSON:", error)
    }
}

answered May 28, 2024 at 11:34

Fahim Parkar

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Comments

sonle · Accepted Answer · 2024-05-28 11:56:09Z

0

toJSON() function returned a [String: Any] and this cannot be decoded. You may want to try:

func convert<T: Codable>() -> T? {
    guard let data = self.data(using: .utf8, allowLossyConversion: false) else { return nil }
    return try? JSONDecoder().decode(T.self, from: data)
}

let settingObject: MobileSettingsModel? = response.convert()
//Optional(MyAnswer.MobileSettingsModel(StatusCode: Optional(1)))

edited May 28, 2024 at 11:56

answered May 28, 2024 at 11:40

sonle

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