private static void Read(string com = "null")
{
try
{
using (AcademyContext db = new AcademyContext())
{
var items = db.Item.ToList();
var shops = db.Shop.ToList();
// Show items;
Console.WriteLine("Item ID\t\tItem Name\t\tItem Price\t\tItem Category");
foreach (var item in items)
{
var id = item.Id.ToString().Trim();
var name = item.Name.ToString().Trim();
var price = item.Price.ToString().Trim();
var category = item.Category.ToString().Trim();
Console.Write($"{id}");
if (id.Length < 2)
{
Console.Write(" ");
}
Console.Write($"\t\t{name}");
for (int i = 0; i < 9 - name.Length; i++)
{
Console.Write(" ");
}
Console.Write($"\t\t{price}");
for (int i = 0; i < 10 - price.Length; i++)
{
Console.Write(" ");
}
Console.WriteLine($"\t\t{category}");
}
Console.Write("\n\n\n");
foreach (var shop in shops)
{
Console.WriteLine($"{shop.Id}, {shop.Item}, {shop.ItemId}");
}
}
}
catch (Exception ex)
{
Error($"Error: {ex.Message}");
}
finally
{
if (com == "null")
{
PressAnyKey();
}
}
}
static void Main(string[] args)
{
bool working = true;
using (var db = new AcademyContext())
{
var shop = db.Shop.Include(i => i.Item).ToList();
}
while (working)
{
Console.Clear();
Console.Write("1.Create\n2.Read\n3.Update\n4.Delete\n5.Exit\nYour Choice : ");
int choice;
if (int.TryParse(Console.ReadLine(), out choice))
{
if (choice > 0 && choice < 6)
{
switch (choice)
{
case 1:
Create();
break;
case 2:
Read();
break;
case 3:
Update();
break;
case 4:
Delete();
break;
case 5:
working = false;
break;
}
}
}
}
}
private static void Delete()
{
try
{
using (AcademyContext db = new AcademyContext())
{
Read("delete");
int id = -1;
bool t = true;
while (t)
{
Console.Write("ID: ");
if (int.TryParse(Console.ReadLine(), out id))
{
var item = db.Item.Find(id);
if (item != null)
{
db.Item.Remove(item);
if (db.SaveChanges() > 0)
{
Successful("Successfully removed");
}
else
{
Error("Error : something went wrong");
}
}
break;
}
}
}
}
catch (Exception ex)
{
Error($"Error: {ex.Message}");
}
finally
{
PressAnyKey();
}
}
private static void Update()
{
try
{
using (AcademyContext db = new AcademyContext())
{
Read("update");
Console.Write("Item Id: ");
int id = int.Parse(Console.ReadLine());
var item = db.Item.Find(id);
if (item != null)
{
Console.Write("Item Price: ");
var price = Console.ReadLine().Trim();
item.Price = price;
if (db.SaveChanges() > 0)
{
Successful("Successfully updated");
}
else
{
Error("Error : something went wrong");
}
}
}
}
catch (Exception ex)
{
Error($"Error: {ex.Message}");
}
finally
{
PressAnyKey();
}
}
