Converting enums to numbers through JSON serialization

Question

Converting enums to numbers through JSON serialization

In my C# backend, I have enumerated settings with unique numbers assigned to each.

public enum Settings
{
    Setting1 = 1,
    Setting2 = 2,

    //...
}

To send these settings to the client through WebAPI, I use a dictionary structure.

public MyModel
{
    public Dictionary<Settings, string> MySettings { get; set; }

    //...other properties...
}

The issue arises when referencing this Enum in TypeScript. The problem lies in WebAPI converting the enum values to strings instead of numbers. However, I want to maintain the type of the dictionary as

Dictionary<Settings, string>

and not switch it to Dictionary<int, string>.

Is there a way to achieve this using attributes?

c#json asp.net-web-api enums typescript

Answer 1

Answer №1

You have the option of creating a private or protected property that can be customized to suit your needs. Alternatively, you can implement standard get/set methods and make them public.

public class MyModel
{
    public Dictionary<int, string> MySettings { get; set; }

    //An alternative approach.
    private Dictionary<Settings, string> MyBetterSettings
    {
        get { return MySettings.ToDictionary(setting => (Settings) setting.Key, setting => setting.Value); }
        set { MySettings = value.ToDictionary(setting => (int) setting.Key, setting => setting.Value); }
    }

    //Straightforward C# 6 methods
    public Dictionary<Settings, string> GetSettings => MySettings.ToDictionary(setting => (Settings) setting.Key, setting => setting.Value);
    public void SetSettings(Dictionary<Settings, string> settings) => MySettings = settings.ToDictionary(setting => (int)setting.Key, setting => setting.Value);
}

While not perfect, it provides a good compromise by eliminating concerns about serialization changes.

Answer 2

You have the option of creating a private or protected property that can be customized to suit your needs. Alternatively, you can implement standard get/set methods and make them public.

public class MyModel
{
    public Dictionary<int, string> MySettings { get; set; }

    //An alternative approach.
    private Dictionary<Settings, string> MyBetterSettings
    {
        get { return MySettings.ToDictionary(setting => (Settings) setting.Key, setting => setting.Value); }
        set { MySettings = value.ToDictionary(setting => (int) setting.Key, setting => setting.Value); }
    }

    //Straightforward C# 6 methods
    public Dictionary<Settings, string> GetSettings => MySettings.ToDictionary(setting => (Settings) setting.Key, setting => setting.Value);
    public void SetSettings(Dictionary<Settings, string> settings) => MySettings = settings.ToDictionary(setting => (int)setting.Key, setting => setting.Value);
}

While not perfect, it provides a good compromise by eliminating concerns about serialization changes.

Converting enums to numbers through JSON serialization

Answer №1

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