Alloy.Helpers.CategorizableExtensions.GetThemeCssClassNames C# (CSharp) Метод

        public static string[] GetThemeCssClassNames(this ICategorizable content)
        {
            if (content.Category == null)
            {
                return new string[0];
            }

            var cssClasses = new HashSet<string>(); // Although with some overhead, a HashSet allows us to ensure we never add a CSS class more than once
            var categoryRepository = ServiceLocator.Current.GetInstance<CategoryRepository>();

            foreach (var categoryName in content.Category.Select(category => categoryRepository.Get(category).Name.ToLower()))
            {
                switch (categoryName)
                {
                    case "meet":
                        cssClasses.Add("theme1");
                        break;
                    case "track":
                        cssClasses.Add("theme2");
                        break;
                    case "plan":
                        cssClasses.Add("theme3");
                        break;
                }
            }

            return cssClasses.ToArray();
        }