Umbraco 7 Migration

MigrationController.cs

using Umbraco.Web.WebApi;

[UmbracoAuthorize]
public class MigrationController : UmbracoAuthorizedApiController
{
	public Result GetStartMigration()
	{
		try
		{
				Migrate();
		}
		catch (Exception ex)
		{
			return new Result() { Success = false, ErrorMessage = ex.Message.ToString() };
		}
		return new Result() { Success = true };
	}
	
	private void Migrate() {
		var newsPage = Services.ContentTypeService.GetContentType("newsPage");

		if (newsPage != null)
		{
			string imageAlias = "image";
			// Check if homepage has property
			if (!newsPage.PropertyTypes.Any(x => x.Alias == imageAlias))
			{
				newsPage.AddPropertyType(new PropertyType(Services.DataTypeService.GetDataTypeDefinitionByName("Media Picker"), imageAlias), "Content");

				var image = newsPage.PropertyTypes.FirstOrDefault(x => x.Alias == imageAlias);
				image.Name = "Afbeelding";
				image.Description = "Selecteer een afbeelding voor het item (wordt getoond in overzichten).";
			}

			// Save newsPage
			Services.ContentTypeService.Save(newsPage);
		}
	}
	
	public class Result
	{
		public bool Success { get; set; }
		public string ErrorMessage { get; set; }
	}
}