//mv 05-03-2019
public static bool returnBook(int idLender)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
LendsTable lend = db.LendsTable.Where(l => l.id == idLender).FirstOrDefault();
if (lend != null)
{
if (lend.statusCode == 2)
{
lend.BooksTable.isBorrowed = false;
lend.statusCode = 4;
lend.date = DateTime.Now;
db.SaveChanges();
return(true);
}
}
}
}
catch (Exception ex)
{
throw ex;
}
return(false);
}
public static bool rejectBorrow(int idBorrow)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
LendsTable lend = db.LendsTable.Where(l => l.id == idBorrow).FirstOrDefault();
if (lend != null)
{
if (lend.statusCode == 1)
{
lend.statusCode = 3;
BooksTable bt = db.BooksTable.Where(b => b.id == lend.bookId).FirstOrDefault();
if (bt != null)
{
bt.isBorrowed = false;
}
db.SaveChanges();
return(true);
}
}
}
}
catch (Exception ex)
{
throw ex;
}
return(false);
}
public static void deleteBook(int idB)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
BooksTable b = db.BooksTable.Where(book => book.id == idB).First();
b.isDeleted = true;
db.SaveChanges();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static bool RateBook(RatingTable rating)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
db.RatingTable.Add(rating);
db.SaveChanges();
return(true);
}
}
catch (Exception ex)
{
throw ex;
}
}
public static string deleteUser(int uId)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
db.UsersTable.Remove(db.UsersTable.Find(uId));
db.SaveChanges();
}
return("ok");
}
catch (Exception ex)
{
throw ex;
}
}
public static UsersTable InsertUser(UsersTable newUser)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
db.UsersTable.Add(newUser);
db.SaveChanges();
return(newUser);
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void addBookToMybasket(MyBasketOfBooks bas)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
db.MyBasketOfBooks.Add(bas);
//????????????????????????????????????????????????????
db.SaveChanges();
}
return;
}
catch (Exception ex)
{
throw ex;
}
}
//?????????????????????????
public static string updateUser(UsersTable u)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
UsersTable u1 = db.UsersTable.Where(i => i.id == u.id).First();
u1.birthDate = u.birthDate;
db.SaveChanges();
}
return("ok");
}
catch (Exception ex)
{
throw ex;
}
}
public static void PromoteNumberOfViewers(int idBook)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
BooksTable bt = db.BooksTable.Where(b => b.id == idBook).FirstOrDefault();
if (bt != null)
{
bt.numberOfViewers++;
db.SaveChanges();
}
}
}
catch (Exception)
{
}
}
public static bool borrowBook(LendsTable lend)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
db.LendsTable.Add(lend);
BooksTable b = db.BooksTable.Where(x => x.id == lend.bookId).FirstOrDefault();
b.isBorrowed = true;
db.SaveChanges();
}
return(true);
}
catch (Exception ex)
{
throw ex;
}
return(false);
}
public static void saveImageName(int idBook, string bookName)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
BooksTable book = db.BooksTable.Where(b => b.id == idBook).FirstOrDefault();
if (book != null)
{
book.picNAme = bookName;
db.SaveChanges();
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static int rateBook(RatingTable b)
{
int idB;
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
db.RatingTable.Add(b);
//????????????????????????????????????????????????????
db.SaveChanges();
idB = b.id;
}
return(idB);
}
catch (Exception ex)
{
throw ex;
}
}
public static bool updateWhenBookIsAvailable(waitingForAbookTable userWait)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
if (db.waitingForAbookTable.Any(w => w.bookCode == userWait.bookCode && w.userCode == userWait.userCode) == false)
{
db.waitingForAbookTable.Add(userWait);
db.SaveChanges();
}
}
return(true);
}
catch (Exception ex)
{
throw ex;
}
return(false);
}
public static string EditUser(UsersTable newUser)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
UsersTable u = db.UsersTable.Where(x => x.id == newUser.id).FirstOrDefault();
if (u != null)
{
u.firstName = newUser.firstName;
u.lastName = newUser.lastName;
u.email = newUser.email;
u.phone = newUser.phone;
u.neighborhood = newUser.neighborhood;
u.address = newUser.address;
u.houseNumber = newUser.houseNumber;
if (newUser.cityCode != 0)
{
u.cityCode = newUser.cityCode;
}
else
{
u.CityTable = new CityTable()
{
name = newUser.CityTable.name
};
}
u.birthDate = newUser.birthDate;
u.password = newUser.password;
u.genderId = newUser.genderId;
}
db.SaveChanges();
}
return("ok");
}
catch (Exception ex)
{
throw ex;
}
}
public static void deleteBookFromMyBuskate(int idB, int idU)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
List <MyBasketOfBooks> busketList = db.MyBasketOfBooks.Where(x => x.idUser == idU).ToList();
if (busketList.Count > 0)
{
MyBasketOfBooks busketBookToRemove = busketList.Where(x => x.idBook == idB).FirstOrDefault();
if (busketBookToRemove != null)
{
db.MyBasketOfBooks.Remove(busketBookToRemove);
db.SaveChanges();
}
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public static void editBook(BooksTable book)
{
try
{
using (BooksLibraryProjectEntities db = new BooksLibraryProjectEntities())
{
BooksTable booktable = db.BooksTable.Where(x => x.id == book.id).FirstOrDefault();
if (booktable != null)
{
if (book.autherId != 0)
{
booktable.autherId = book.autherId;
}
else
{
// db.PublishingTable.
booktable.AutherTable = new AutherTable()
{
name = book.AutherTable.name
};
}
if (book.nameId != 0)
{
booktable.nameId = book.nameId;
}
else
{
// db.PublishingTable.
booktable.BooksNameTable = new BooksNameTable()
{
name = book.BooksNameTable.name
};
}
booktable.categoryId = book.categoryId;
booktable.description = book.description;
booktable.numOfPages = book.numOfPages;
if (book.publishingId != 0)
{
booktable.publishingId = book.publishingId;
}
else
{
booktable.PublishingTable = new PublishingTable()
{
name = book.PublishingTable.name
};
}
}
//????????????????????????????????????????????????????
db.SaveChanges();
}
return;
}
catch (Exception ex)
{
throw ex;
}
}
