public PurchaseViewModel(Purchase purchase)
{
this.Id = purchase.Id;
this.Price = purchase.Price;
this.DateOfPurchase = purchase.DateOfPurchase;
this.IsRecalled = purchase.IsRecalled;
this.ApplicationUser = purchase.ApplicationUser.UserName;
this.Book = purchase.Book.Title;
}
public static PurchaseViewModel CreateViewModel(Purchase purchase)
{
return new PurchaseViewModel
{
Id = purchase.Id,
BookTitle = purchase.Book.Title,
Price = purchase.Price,
SoldAt = purchase.DateOfPurchase.ToShortDateString(),
IsRecalled = purchase.isRecalled
};
}
public static PurchaseViewModel Create(Purchase purchase)
{
var purchaseView = new PurchaseViewModel
{
Id = purchase.Id,
BookTitle = purchase.Book.Title,
Price = purchase.Price,
DateOfPurchase = purchase.DateOfPurchase,
IsRecalled = purchase.IsRecalled
};
return purchaseView;
}
public static PurchaseViewModel ConvertToPurchaseViewModel(Purchase purchase)
{
PurchaseViewModel purchaseViewModel = new PurchaseViewModel
{
Username = purchase.User.UserName,
BookTitle = purchase.Book.Title,
Price = purchase.Price,
DateOfPurchase = purchase.DateOfPurchase,
IsRecalled = purchase.IsRecalled
};
return purchaseViewModel;
}
public IHttpActionResult CreatePurchase(int id)
{
var book = this.Data.Books.Find(id);
var currentUserId = this.User.Identity.GetUserId();
var user = this.Data.Users
.First(u => u.Id == currentUserId);
if (book == null)
{
return this.BadRequest("invalid book id");
}
var purchase = new Purchase()
{
Book = book,
User = user,
Price = book.Price,
DateOfPurchase = DateTime.Now,
IsRecalled = false
};
if (book.Copies == 0)
{
return this.BadRequest("no book's copies");
}
book.Copies = book.Copies - 1;
this.Data.Purchases.Add(purchase);
this.Data.SaveChanges();
var purchaseResult = new
{
Price = purchase.Price,
PurchaseDate = purchase.DateOfPurchase,
IsRecalled = purchase.IsRecalled,
PurchasePrice = purchase.Price,
BookTitle = purchase.Book.Title
};
return this.Ok(purchaseResult);
}
public IHttpActionResult BuyBook(int id)
{
var existingBook = this.BookShopData.Books.Find(id);
if (existingBook == null)
{
return this.BadRequest("No book with the specified id exists.");
}
if (existingBook.Copies == 0)
{
return this.BadRequest("Insufficient book copies.");
}
var newPurchase = new Purchase
{
BookId = existingBook.Id,
UserId = this.User.Identity.GetUserId(),
Price = existingBook.Price,
DateOfPurchase = DateTime.Now,
isRecalled = false
};
existingBook.Copies--;
existingBook.Purchases.Add(newPurchase);
this.BookShopData.Books.Update(existingBook);
this.BookShopData.SaveChanges();
var purchaseViewModel = PurchaseViewModel.CreateViewModel(newPurchase);
return this.Ok(purchaseViewModel);
}
public IHttpActionResult PurchaseBook(int id)
{
var book = context.Books.FirstOrDefault(b => b.Id == id);
if (book == null)
{
return this.NotFound();
}
if (book.Copies <= 0)
{
return this.BadRequest("No available books left!");
}
book.Copies--;
var purchase = new Purchase()
{
Price = book.Price,
DateOfPurchase = DateTime.Now,
BookId = book.Id,
ApplicationUser = context.Users.FirstOrDefault(u => u.UserName == this.User.Identity.Name),
IsRecalled = false
};
context.Purchases.Add(purchase);
context.SaveChanges();
var data = new PurchaseViewModel(purchase);
return this.Ok(data);
}
public IHttpActionResult BuyBook(int id, [FromBody]BuyBookBindingModel model)
{
var loggedUserId = this.User.Identity.GetUserId();
if (loggedUserId == null)
{
return this.Unauthorized();
}
if (!this.ModelState.IsValid)
{
return this.BadRequest(this.ModelState);
}
var book = db.Books.Find(id);
var user = db.Users.Find(loggedUserId);
var purchase = new Purchase()
{
Price = model.Price,
DateOfPurchase = DateTime.Now,
IsRecalled = false,
ApplicationUser = user,
Book = book
};
db.Purchases.Add(purchase);
book.Copies--;
db.SaveChanges();
return this.Ok(new PurchaseViewModel(purchase));
}
public IHttpActionResult BuyBook(int id)
{
string loggedUserId = this.userIdProvider.GetUserId();
var loggedUser = this.data.Users.Find(loggedUserId);
if (loggedUser == null)
{
return this.BadRequest("Invalid session token.");
}
var existingBook = this.data.Books.Find(id);
if (existingBook == null)
{
return this.BadRequest("Book does not exist - invalid id!");
}
if (existingBook.Copies == 0)
{
return this.BadRequest("Unable to make purchase - insufficient book copies quantity.");
}
Purchase purchase = new Purchase()
{
Book = existingBook,
BookId = existingBook.Id,
DateOfPurchase = DateTime.Now,
Price = existingBook.Price,
User = loggedUser,
UserId = loggedUserId,
IsRecalled = false
};
existingBook.Copies--;
this.data.Purchases.Add(purchase);
this.data.Save();
PurchaseViewModel purchaseViewModel = PurchaseViewModel.ConvertToPurchaseViewModel(purchase);
return this.Ok(purchaseViewModel);
}
public IHttpActionResult BuyBook(int id)
{
var book = this.BookShopData.Books.FirstOrDefault(b => b.Id == id);
if (book == null)
{
return this.NotFound();
}
if (--book.Copies <= 0)
{
return this.BadRequest("There is not enough book copies.");
}
var loggedUserId = this.User.Identity.GetUserId();
if (loggedUserId == null)
{
return this.BadRequest("Invalid session token.");
}
var user = this.BookShopData.Users.Find(loggedUserId);
var purchase = new Purchase
{
Book = book,
User = user,
Price = book.Price,
DateOfPurchase = DateTime.Now,
IsRecalled = false
};
this.BookShopData.Purchases.Add(purchase);
this.BookShopData.SaveChanges();
return this.Ok(PurchaseViewModel.Create(purchase));
}
public PurchaseViewModel(Purchase purchase)
{
User = purchase.ApplicationUser.UserName;
BookTitle = purchase.Book.Title;
Price = purchase.Book.Price;
}
