localize automapper profiles in csharp

To localize AutoMapper profiles in C#, we can use resource files (.resx) in order to hold the translated values for our types.

First, let's create a resource file to hold the translation for our class properties. Right-click on your project in Solution Explorer and Add > New Item > Resource File. Name it appropriately, for example, "SomeClassResources.resx".

Then, we can create an extension method to easily get the translated value from the respective resource file. This extension method should map the string key to the translated value in the desired language. Here's an example:

main.cs
public static class ResourceExtensions
{
    public static string GetTranslation(this ResourceSet resourceSet, string key)
    {
        if (resourceSet == null || key == null) return null;

        // Check if the culture equals the current culture
        var translation = resourceSet.GetString(key, CultureInfo.CurrentCulture);

        // If no translation is found, default to the invariant culture
        if (translation == null)
            translation = resourceSet.GetString(key, CultureInfo.InvariantCulture);

        return translation ?? key;
    }
}
566 chars
17 lines

Finally, we can use this extension method to get the translated value in our AutoMapper profile. Here's an example:

main.cs
public class SomeClassProfile : Profile
{
    protected override void Configure()
    {
        CreateMap<SomeClass, SomeViewModel>()
            .ForMember(dest => dest.Email, opt => opt.MapFrom(src => MyResources.SomeClassResources.GetTranslation(src.EmailKey)))
            .ForMember(dest => dest.Name, opt => opt.MapFrom(src => MyResources.SomeClassResources.GetTranslation(src.NameKey)));
    }
}
403 chars
10 lines

In this example, we assume that the properties "EmailKey" and "NameKey" of "SomeClass" hold the keys to the respective values in the resource file. Then, we use the "GetTranslation" extension method to get the respective translation from the resource file.

Note that in this example, we used "MyResources" as a namespace for the resource file. This namespace will change depending on the name and location of your resource file.

Also note that this example only shows how to handle localization of simple strings. In more complex scenarios, you may need to define custom types to handle localization of more complex objects.