public static void UpdatePublisher()
{
using (LibEntities library = new LibEntities())
{
Console.Write("Read the publisher's ID in order to change his name: ");;
int PID = Convert.ToInt32(Console.ReadLine());
var result = library.Publishers.SingleOrDefault(p => p.PublisherId == PID);
if (result != null)
{
Console.Write("Read the new publisher's name: ");
result.Name = Console.ReadLine();
library.SaveChanges();
}
else
{
Console.WriteLine("The publisher could not be found");
}
}
}
public static void PrintPublishers()
{
using (LibEntities library = new LibEntities())
{
// AICI PRINTEZ TOT FISIERUL .XML
using (StreamReader reader = File.OpenText(@"Publishers.xml"))
{
var line = reader.ReadToEnd();
Console.WriteLine(line);
}
// AICI SE INTAMPLA CEVA DUBIOS CU FISIERUL .XML; CRED CA SE ADUGA LINIILE GRESIT, SAU
// CEL MAI PROBABIL, NU POT DESERIALIZA INTR-O LISTA List<Publisher> MAI MULTI PUBLISHERI ADAUGATI IN ACELASI FISIER .XLM IN FELUL ACESTA.
Console.WriteLine("\t XML Deserialization");
using (FileStream stream = File.OpenRead(@"Publishers.xml")) // using (FileStream stream = new FileStream("Publishers.xml", FileMode.Open))
{
var serializer = new XmlSerializer(typeof(Publisher));
var deserializer = serializer.Deserialize(stream) as List <Publisher>;
foreach (Publisher p in deserializer)
{
Console.WriteLine($"{p.PublisherId} - {p.Name}");
}
}
// MERGE FOLOSIND LINQ DIRECT PE LIBRARY
var converter = from pub in library.Publishers select pub;
var publishers = converter.ToList();
foreach (Publisher p in publishers)
{
Console.WriteLine($"{p.PublisherId} - {p.Name}");
}
}
}
public static void SavePublisher()
{
using (LibEntities library = new LibEntities())
{
// Create Publisher
Publisher p = new Publisher();
Console.Write("Read the publisher's name: ");
p.Name = Console.ReadLine();
// Add Publisher to DB
library.Publishers.Add(p);
library.SaveChanges();
Console.WriteLine("\n\t Publisher added to the DB.\n");
// Write to .XML file
Console.WriteLine("\t XML");
using (FileStream stream = new FileStream("Publishers.xml", FileMode.Create))
{
XmlSerializer XML = new XmlSerializer(typeof(Publisher));
XML.Serialize(stream, p);
}
Console.WriteLine("\n\t Publisher added to 'Publishers.xml'\n");
// Write to .JSON file
Console.WriteLine("\t JSON");
string publisherResult = JsonConvert.SerializeObject(p);
using (StreamWriter file = new StreamWriter(@"Publishers.json", true))
{
file.WriteLine(publisherResult);
file.Flush();
file.Close();
}
Console.WriteLine("\n\t Publisher added to 'Publishers.json'\n");
Console.WriteLine($"\n\t JSON-Test ==> {publisherResult}\n"); // test
}
}
