public IHttpActionResult PutAuthor(int id, Author author)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != author.AuthorID)
{
return(BadRequest());
}
db.Entry(author).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!AuthorExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
public IHttpActionResult PutBook(Guid id, Book book)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != book.GUID)
{
return(BadRequest());
}
book.UpdatedAt = DateTime.Now;
db.Entry(book).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!BookExists(id))
{
return(StatusCode(HttpStatusCode.NotFound));
}
else
{
throw;
}
}
return(Ok(0));
}
public IHttpActionResult PutTitle(string id, Title title)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != title.ISBN)
{
return(BadRequest());
}
db.Entry(title).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!TitleExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
public ActionResult Edit([Bind(Include = "AuthorID,FirstName,LastName")] Author author)
{
if (ModelState.IsValid)
{
db.Entry(author).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(author));
}
public ActionResult Edit([Bind(Include = "BookID,Title,Author,Publisher,PageNumber")] Book book)
{
if (ModelState.IsValid)
{
db.Entry(book).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(book));
}
public ActionResult Edit([Bind(Include = "ISBN,Title1,EditionNumber,Copyright")] Title title)
{
if (ModelState.IsValid)
{
db.Entry(title).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(title));
}
//метод редагування інформації книги.
//[FromBody] - інформація про книгу передається в тілі запиту
public IHttpActionResult Patch(int Id, [FromBody] Book book)
{
// спробувати оновити інформацію про книгу
try
{
db.Entry(book).State = EntityState.Modified;
db.SaveChanges();
return(Ok(book));
}
// якщо трапиться помилка - повернути Internal Server Error
catch (Exception error)
{
return(InternalServerError(error));
}
}
public void Remove(int id)
{
using (var context = new BooksEntities())
{
var bookToRemove = context.Books.SingleOrDefault(b => b.ID == id);
if (bookToRemove != null)
{
context.Entry(bookToRemove).State = EntityState.Deleted;
context.SaveChanges();
}
else
{
throw new DBConcurrencyException();
}
}
}
public void EditBookById(Book book)
{
if (!ModelState.IsValid)
{
return;
}
var fbook = db.Books.FirstOrDefault(m => m.BookId == book.BookId);
if (fbook == null)
{
throw new ArgumentNullException(nameof(fbook));
}
db.Entry(fbook).CurrentValues.SetValues(book);
db.SaveChangesAsync();
Response.Write("Succesfully updated data....");
}
public void UpdateUser(Users user)
{
context.Entry(user).State = EntityState.Modified;
}
public void UpdateBook(Book book)
{
context.Entry(book).State = EntityState.Modified;
}
public IHttpActionResult Delete(int id)
{
bool selll = false;
if (id <= 0)
{
return(BadRequest("Not a valid Book id"));
}
var selby = (from i in db.Seller_Buyer_Book
select i.Book_Id).ToList();
foreach (var item in selby)
{
if (item == id)
{
selll = true;
}
}
if (selll)
{
return(BadRequest("Not a valid Book id"));
}
else
{
using (var ctx = new BooksEntities())
{
var bookrequest = ctx.Requests
.Where(s => s.Book_Id == id)
.FirstOrDefault();
if (bookrequest != null)
{
ctx.Entry(bookrequest).State = System.Data.Entity.EntityState.Deleted;
ctx.SaveChanges();
}
var bookapproved = ctx.Seller_Approved_book
.Where(s => s.Book_Id == id)
.FirstOrDefault();
if (bookapproved != null)
{
ctx.Entry(bookapproved).State = System.Data.Entity.EntityState.Deleted;
ctx.SaveChanges();
}
var imglist = (from i in db.Images
where i.Book_Id == id
select i.Id).ToList();
foreach (var item in imglist)
{
var img = db.Images.Where(e => e.Id == item).First();
if (img != null)
{
db.Images.Remove(img);
db.SaveChanges();
}
}
var book = ctx.Books
.Where(s => s.Id == id)
.FirstOrDefault();
ctx.Entry(book).State = System.Data.Entity.EntityState.Deleted;
ctx.SaveChanges();
}
}
return(Ok());
}
public void UpdateReview(Review review)
{
context.Entry(review).State = EntityState.Modified;
}
