Gets product information from a json file, taking into account the host (serves multiple domains to get different content based on the path)

ProductsDataProvider.cs

using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web.Helpers;
using System.Web.Hosting;
using comSite.Models.Products;


namespace comSite.DataProviders
{
    public class ProductsDataProvider
    {
        public static readonly List<ProductCollectionModel> Collection;
        public static readonly List<ProductViewModel> Details;
        public static readonly string SiteName;
        #region Constructor
        static ProductsDataProvider()
        {
            var name = MvcApplication.GetSiteName();
            var path = Helpers.HelperMethods.GetShortSite(name);


            /* PRODUCT DETAILS */
            var detailsDataPath = HostingEnvironment.MapPath(string.Format("~/Content/{0}/Data/details.json", path));


            if (!File.Exists(detailsDataPath))
            {
                throw new FileNotFoundException("Product Details data file is missing", detailsDataPath);
            }
            

            var productDetails = Json.Decode<DetailsJsonModel>(File.ReadAllText(detailsDataPath));
            Details = productDetails.Details.Select(p => new ProductViewModel
            {
                Id = p.Id,
                Name = p.Name,
                ProductName = p.ProductName,
                Category = p.Category,
                Image = p.Image,
                Features = p.Features,
                Disclaimer = p.Disclaimer
            }).ToList();

            /* PRODUCT COLLECTIONS */
            var collectionsDataPath = HostingEnvironment.MapPath("~/Content/CubCadet/Data/collections.json");

            if (!File.Exists(collectionsDataPath))
            {
                throw new FileNotFoundException("Product Details data file is missing", collectionsDataPath);
            }

            var productCollections = Json.Decode<CollectionsJsonModel>(File.ReadAllText(collectionsDataPath));

            Collection = productCollections.Collections.Select((p) => new ProductCollectionModel
            {
                Id = p.Id,
                Title = p.CategoryName,
                Location = p.Location,
                Products = p.ProductCollection.Select(x => x.ToProduct()).OrderBy(x => x.SortOrder).ToList()
            }).ToList();
        }

        #endregion

        #region Methods

        public IList<ProductCollectionModel> GetCollection(string page = null)
        {
            // Returns a collection of products for a specific page
            return Collection.Where(x => x.Location == page).ToList();
        }

        public ProductViewModel GetDetails(string productName = null)
        {
            // Returns the product for the product details page
            return Details.First(o=>o.ProductName == productName);
        }

        #endregion

        #region Inner types
        // Product Details
        private class DetailsJsonModel
        {
            public List<ProductDetailJsonModel> Details { get; set; }
        }

        public class ProductDetailJsonModel
        {
            public int Id { get; set; }
            public string Name { get; set; }
            public string ProductName { get; set; }
            public string Category { get; set; }
            public string Image { get; set; }
            public List<string> Features { get; set; }
            public string Disclaimer { get; set; }
        }

        // Product Collections
        private class CollectionsJsonModel
        {
            public List<ProductCollectionJsonModel> Collections { get; set; }
        }

        public class ProductCollectionJsonModel
        {
            public int Id { get; set; }
            public string Location { get; set; }
            public string CategoryName { get; set; }
            public List<ProductItemJsonModel> ProductCollection { get; set; }
        }

        public class ProductItemJsonModel
        {
            public int Id { get; set; }
            public string Name { get; set; }
            public string Type { get; set; }
            public string ImageName { get; set; }
            public string PageName { get; set; }
            public int SortOrder { get; set; }

            public ProductModel ToProduct()
            {
                var res = new ProductModel
                {
                    Id = Id,
                    Name = Name,
                    Type = Type,
                    ImageName = ImageName,
                    PageName = PageName,
                    SortOrder = SortOrder
                };

                return res;
            }
        }
        #endregion
    }
}