public void AddProduct()
{
var product = new Product();
Console.WriteLine("Enter a name of a new product...");
product.Name = Console.ReadLine();
var correct = false;
while (!correct)
{
Console.WriteLine("Enter quantity of a new product...");
var quantity = 0;
var result = Console.ReadLine();
var unnessValue = int.TryParse(result, out quantity);
if (quantity != 0)
{
product.Quantity = quantity;
using (var context = new ProductsContext())
{
Console.WriteLine("Choose a shop for a new product...");
foreach (var shop in context.Shops)
{
Console.WriteLine($"{shop.ID}-{shop.Name};");
}
var shopId = 0;
var result_1 = Console.ReadLine();
var unnessVal = int.TryParse(result_1, out shopId);
if (shopId != 0)
{
var shop = context.Shops.Find(shopId);
if (shop != null)
{
shop.Products.Add(product);
context.SaveChanges();
correct = true;
}
else
{
Console.WriteLine("There is no shop with such Id, try again!");
}
}
else
{
Console.WriteLine("Incorrect input, try again!");
correct = false;
}
}
}
else
{
Console.WriteLine("Incorrect input, try again!");
correct = false;
}
}
}
public void AboutDollShop()
{
using (var context = new ProductsContext())
{
//var shop = context.Shops.FirstOrDefault(1); // альтернативный вариант
var shop = context.Shops.Find(2); // возможный вариант с методом Find ()
Console.WriteLine($"Here is the {shop.Name}, situated in {shop.Address.Country}, {shop.Address.City}, {shop.Address.Street} and it's building number is {shop.Address.BuildingNumber}.");
Console.WriteLine($"The products from the {shop.Name} and their quantity are:");
foreach (var prod in shop.Products)
{
Console.WriteLine($"{prod.Name}-{prod.Quantity} pieces;");
}
}
}
public void ChangeShopName()
{
var correct = false;
while (!correct)
{
using (var context = new ProductsContext())
{
Console.WriteLine("Choose a shop to shange it' name and press Enter.");
foreach (var shopVar in context.Shops)
{
Console.WriteLine($"{shopVar.ID} - {shopVar.Name};");
}
}
using (var context = new ProductsContext())
{
var shopId = 0;
var result = Console.ReadLine();
var unnessValue = int.TryParse(result, out shopId);
if (shopId != 0)
{
var shop = context.Shops.Find(shopId);
if (shop != null)
{
Console.WriteLine("What a new name for the chosen shop?");
var newName = Console.ReadLine();
shop.Name = newName;
context.SaveChanges();
Console.WriteLine("Done!");
correct = true;
}
else
{
Console.WriteLine("There is no shop with such Id, try again!");
correct = false;
}
}
else
{
Console.WriteLine("Incorrect input");
correct = false;
}
}
}
}
public void AddShop()
{
var shop = new Shop();
shop.Address = new Address();
Console.WriteLine("Enter a name of a new shop...");
shop.Name = Console.ReadLine();
Console.WriteLine($"Ok, now let's create the address for a new shop!");
Console.WriteLine("Enter a contry name of the new shop address...");
shop.Address.Country = Console.ReadLine();
Console.WriteLine("Enter a city name of the new shop address...");
shop.Address.City = Console.ReadLine();
Console.WriteLine("Enter a street name of a new shop address...");
shop.Address.Street = Console.ReadLine();
var correct = false;
while (!correct)
{
Console.WriteLine("Enter a building number of a new shop address...");
var buildingNumber = 0;
var result = Console.ReadLine();
var unnessValue = int.TryParse(result, out buildingNumber);
if (buildingNumber != 0)
{
shop.Address.BuildingNumber = buildingNumber;
using (var context = new ProductsContext())
{
context.Shops.Add(shop);
context.SaveChanges();
correct = true;
}
}
else
{
Console.WriteLine("Incorrect input, try again!");
correct = false;
}
}
}
public void ChangeProductQuantity()
{
using (var context = new ProductsContext())
{
var correct = false;
while (!correct)
{
Console.WriteLine("Choose a shop to change product quantity, press Enter and wait for some seconds...");
foreach (var shop in context.Shops)
{
Console.WriteLine($"{shop.ID}-{shop.Name};");
}
var shopId = 0;
var result = Console.ReadLine();
var unnesValue = int.TryParse(result, out shopId);
if (shopId != 0)
{
var shop = context.Shops.Find(shopId);
if (shop != null)
{
Console.WriteLine($"The products from the chosen shop and their quantity are:");
foreach (var prod in shop.Products)
{
Console.WriteLine($"{prod.ID} - {prod.Name}-{prod.Quantity} pieces;");
}
correct = true;
}
else
{
Console.WriteLine("F**k...there is no shop with such Id, try again!");
correct = false;
}
}
else
{
Console.WriteLine("Incorrect input of the shop, try again!");
correct = false;
}
}
var correct_2 = false;
while (!correct_2)
{
Console.WriteLine("Make a choice of a product to change it's quantity and press Enter...");
var productId = 0;
var result_1 = Console.ReadLine();
var unnesValue_2 = int.TryParse(result_1, out productId);
if (productId != 0)
{
var product = context.Products.Find(productId);
if (product != null)
{
Console.WriteLine("How many pieces of the chosen product are expected to be?");
var choice = Int32.Parse(Console.ReadLine());
product.Quantity = choice;
Console.WriteLine("Done...");
context.SaveChanges();
correct_2 = true;
}
else
{
Console.WriteLine("F**k...there is no shop with such Id, try again!");
correct_2 = false;
}
}
else
{
Console.WriteLine("Incorrect input, try again, please!");
correct_2 = false;
}
}
}
}
public void BuyProducts()
{
using (var context = new ProductsContext())
{
var correct = false;
while (!correct)
{
Console.WriteLine("Choose a shop to buy product you want, press Enter and wait for some seconds......");
foreach (var shop in context.Shops)
{
Console.WriteLine($"{shop.ID}-{shop.Name};");
}
var shopId = 0;
var result = Console.ReadLine();
var nnnesValue = int.TryParse(result, out shopId);
if (shopId != 0)
{
var shop = context.Shops.Find(shopId);
if (shop != null)
{
Console.WriteLine($"The products from the chosen shop and their quantity are:");
foreach (var prod in shop.Products)
{
Console.WriteLine($"{prod.ID} - {prod.Name}-{prod.Quantity} pieces;");
}
correct = true;
}
else
{
Console.WriteLine("There is no shop with such Id, try again!");
correct = false;
}
}
else
{
Console.WriteLine("Incorrect input, try again!");
correct = false;
}
}
var correct_1 = false;
while (!correct_1)
{
Console.WriteLine("Choose a product to buy and press Enter...");
var productId = 0;
var result = Console.ReadLine();
var unnessValue = int.TryParse(result, out productId);
if (productId != 0)
{
var product = context.Products.Find(productId);
if (product != null)
{
Console.WriteLine("How many pieces would you like to buy?");
var choice = 0;
var result_1 = Console.ReadLine();
var unnessValue_1 = int.TryParse(result_1, out choice);
if (choice != 0)
{
if (choice <= product.Quantity)
{
product.Quantity = product.Quantity - choice;
context.SaveChanges();
correct_1 = true;
}
else
{
Console.WriteLine("There are no so many products at the stock, sorry...");
correct_1 = false;
}
}
else
{
Console.WriteLine("Incorrect input, trrrrrrrrrray again!");
}
}
else
{
Console.WriteLine("There is no a product with such Id, try again, please!");
correct_1 = false;
}
}
else
{
Console.WriteLine("Incorrect choice...");
correct_1 = false;
}
}
}
}