static void ImportUsersFromXML(string filename, ProductShopContext context)
{
XmlReader reader = XmlReader.Create(filename);
while (reader.Read())
{
if (reader.Name == "user")
{
User user = new User();
if (reader.GetAttribute("first-name") != null)
{
user.FirstName = reader.GetAttribute("first-name");
}
if (reader.GetAttribute("last-name") != null)
{
user.LastName = reader.GetAttribute("last-name");
}
if (reader.GetAttribute("age") != null)
{
user.Age = int.Parse(reader.GetAttribute("age"));
}
context.Users.Add(user);
context.SaveChanges();
}
}
}
static void ImportCategoriesFromJSON(string filename, ProductShopContext context)
{
StreamReader reader = new StreamReader(filename);
List<Category> categories = JsonConvert.DeserializeObject<List<Category>>(reader.ReadToEnd());
reader.Close();
foreach (var category in categories)
{
context.Categories.Add(category);
}
context.SaveChanges();
}
static void ImportProductsFromJSON(string filename, ProductShopContext context)
{
StreamReader reader = new StreamReader(filename);
List<Product> products = JsonConvert.DeserializeObject<List<Product>>(reader.ReadToEnd());
reader.Close();
Random randGenerator = new Random();
foreach (var product in products)
{
if ( !(randGenerator.Next(1, 100) < 30) )
{
product.Buyer = context.Users.Find(randGenerator.Next(1, context.Users.Count()));
}
product.Seller = context.Users.Find(randGenerator.Next(1, context.Users.Count()));
var category = context.Categories.Find(randGenerator.Next(1, context.Categories.Count()));
product.Categories.Add(category);
context.Products.Add(product);
}
context.SaveChanges();
}