private static void GetUsersAndProducts(ProductShopContext context, IMapper mapper)
{
UserRootDto users = new UserRootDto()
{
UserCount = context.Users.Count(u => u.ProductsSold.Count >= 1),
UserDetails = context.Users
.Where(x => x.ProductsSold.Count >= 1)
.OrderByDescending(x => x.ProductsSold.Count)
.Select(x => new UserDetailsDto()
{
FirstName = x.FirstName,
LastName = x.LastName,
Age = x.Age,
SoldProducts = x.ProductsSold
.Select(ps => new SoldProductsByUserDto()
{
Count = x.ProductsSold.Count(),
ProductsList = x.ProductsSold
.Select(p => new ProductsListDto()
{
Name = p.Name,
Price = p.Price
}).ToArray()
}).ToArray()
}).ToArray()
};
string jsonString = JsonConvert.SerializeObject(users, Formatting.Indented);
File.WriteAllText("../../../Dto/Export/users-and-products.json", jsonString);
Console.WriteLine();
}
//8. Users and Products
public static string GetUsersWithProducts(ProductShopContext context)
{
/*Select users who have at least 1 sold product.
* Order them by the number of sold products (from highest to lowest).
* Select only their first and last name, age, count of sold products and for each product - name and price sorted by price (descending).
* Take top 10 records.*/
StringBuilder sb = new StringBuilder();
var namespaces = new XmlSerializerNamespaces();
namespaces.Add("", "");
var users = new UserRootDto()
{
Count = context.Users.Count(u => u.ProductsSold.Any(p => p.Buyer != null)),
Users = context.Users
.AsEnumerable() // or else inmemory error from judge
.Where(u => u.ProductsSold.Any(p => p.Buyer != null))
.OrderByDescending(u => u.ProductsSold.Count)
.Take(10)
.Select(u => new UserExportDto()
{
FirstName = u.FirstName,
LastName = u.LastName,
Age = u.Age,
SoldProducts = new SoldProductsDto()
{
Count = u.ProductsSold.Count(ps => ps.Buyer != null),
Products = u.ProductsSold
.Where(ps => ps.Buyer != null)
.Select(ps => new ExportProductSoldDto()
{
Name = ps.Name,
Price = ps.Price
})
.OrderByDescending(p => p.Price)
.ToList()
}
})
.ToList()
};
XmlSerializer serializer = new XmlSerializer(typeof(UserRootDto), new XmlRootAttribute("Users"));
serializer.Serialize(new StringWriter(sb), users, namespaces);
return(sb.ToString().TrimEnd());
}
//08.Users and Products
public static string GetUsersWithProducts(ProductShopContext context)
{
const string root = "Users";
var textWriter = new StringWriter();
var nameSpace = new XmlSerializerNamespaces();
nameSpace.Add("", "");
var users = new UserRootDto()
{
Count = context.Users.Count(u => u.ProductsSold.Any(p => p.Buyer != null)),
Users = context
.Users
.ToArray()
.Where(u => u.ProductsSold.Count >= 1)
.OrderByDescending(x => x.ProductsSold.Count())
.Take(10)
.Select(u => new GetUsersWithProductsModel()
{
FirstName = u.FirstName,
LastName = u.LastName,
Age = u.Age,
SoldProducts = new SoldProductsModel()
{
Count = u.ProductsSold.Count(ps => ps.Buyer != null),
Products = u.ProductsSold
.ToArray()
.Where(ps => ps.Buyer != null)
.Select(ps => new ProductModel()
{
Name = ps.Name,
Price = ps.Price
})
.OrderByDescending(x => x.Price)
.ToArray()
}
})
.ToArray()
};
XmlSerializer xmlSerializer = new XmlSerializer(typeof(UserRootDto), new XmlRootAttribute(root));
xmlSerializer.Serialize(textWriter, users, nameSpace);
return(textWriter.ToString());
}
public static string GetUsersWithProducts(ProductShopContext context)
{
StringBuilder sb = new StringBuilder();
StringWriter stringWriter = new StringWriter(sb);
XmlRootAttribute xmlRoot = new XmlRootAttribute("Users");
XmlSerializer xmlSerializer = new XmlSerializer(typeof(UserRootDto), xmlRoot);
XmlSerializerNamespaces serializerNamespaces = new XmlSerializerNamespaces();
serializerNamespaces.Add(string.Empty, string.Empty);
var userWithProductsDtos = new UserRootDto
{
Count = context.Users.Where(u => u.ProductsSold.Count > 0).Count().ToString(),
Users = context
.Users
.Where(u => u.ProductsSold.Count > 0)
.OrderByDescending(u => u.ProductsSold.Count)
.Take(10)
.Select(u => new ExportUserWithProductsDto
{
FirstName = u.FirstName,
LastName = u.LastName,
Age = u.Age.ToString(),
SoldProducts = new ExportSoldProductDto()
{
Count = u.ProductsSold.Count.ToString(),
SoldProducts = u.ProductsSold
.Where(p => p.Buyer != null)
.OrderByDescending(ps => ps.Price)
.Select(ps => new SoldProductDto
{
Name = ps.Name,
Price = ps.Price.ToString()
})
.ToArray()
}
})
.ToArray()
};
xmlSerializer.Serialize(stringWriter, userWithProductsDtos, serializerNamespaces);
return(sb.ToString().Trim());
}
private static void GetUsersAndProducts(ProductShopContext dbContext)
{
var users = new UserRootDto()
{
Count = dbContext.Users.Count(),
Users = dbContext
.Users
.Where(u => u.ProductSold.Count >= 1)
.OrderByDescending(u => u.ProductSold.Count)
.Select(u => new UserExportDto()
{
FirstName = u.FirstName,
LastName = u.LastName,
Age = u.Age.ToString(),
Products = new ProductSoldRootDto()
{
Count = u.ProductSold.Count,
ProductSoldDtos = u.ProductSold.Select(s => new ProductSoldDto()
{
Name = s.Name,
Price = s.Price
})
.ToArray()
}
})
.ToArray()
};
StringBuilder sb = new StringBuilder();
XmlSerializer serializer = new XmlSerializer(typeof(UserRootDto), new XmlRootAttribute("users"));
XmlSerializerNamespaces xmlNamespaces = new XmlSerializerNamespaces(new[] { XmlQualifiedName.Empty });
serializer.Serialize(new StringWriter(sb), users, xmlNamespaces);
File.WriteAllText("../../../Files/Export/users-and-products.xml", sb.ToString());
}
private static void GetUserAndProducts(ProductShopContext db)
{
var users = new UserRootDto
{
Count = db.Users.Count(),
Users = db.Users
.Where(x => x.ProductsSold.Count >= 1)
.Select(x => new UserPdto
{
FirstName = x.FirstName,
LastName = x.LastName,
Age = x.Age.ToString(),
SoldProducts = new SoldProductDto
{
Count = x.ProductsSold.Count(),
ProductUdtos = x.ProductsSold
.Select(k => new ProductUdto
{
Name = k.Name,
Price = k.Price
})
.ToList()
}
})
.ToList()
};
var sb = new StringBuilder();
var xmlNamespaces = new XmlSerializerNamespaces(new[] { XmlQualifiedName.Empty });
var serializer = new XmlSerializer(typeof(UserRootDto), new XmlRootAttribute("users"));
serializer.Serialize(new StringWriter(sb), users, xmlNamespaces);
File.WriteAllText("../../../Xml/users-and-products.xml", sb.ToString());
}
