public Student FindById(int id)
{
Student s = null;
using (var ctx = new UckLibMgrDbEntities())
{
s = ctx.Students.Find(id);
}
return(s);
}
public Book FindById(int id)
{
Book book;
using (var ctx = new UckLibMgrDbEntities())
{
book = ctx.Books.Find(id);
}
return(book);
}
public int NewStudent(Student student)
{
int rows = 0;
using (var ctx = new UckLibMgrDbEntities())
{
ctx.Students.Add(student);
}
return(rows);
}
public int NewLogin(Login login)
{
int rows = 0;
using (var ctx = new UckLibMgrDbEntities())
{
ctx.Logins.Add(login);
rows = ctx.SaveChanges();
}
return(rows);
}
public int NewBook(Book book)
{
int rows = 0;
using (var ctx = new UckLibMgrDbEntities())
{
ctx.Books.Add(book);
rows = ctx.SaveChanges();
}
return(rows);
}
public int NewLog(LogRegister log)
{
int rows = 0;
using (var ctx = new UckLibMgrDbEntities())
{
ctx.LogRegisters.Add(log);
rows = ctx.SaveChanges();
}
return(rows);
}
public Book FindByTitle(String title)
{
Book book = null;
using (var ctx = new UckLibMgrDbEntities())
{
var bk = ctx.Books.Where(b => b.Ttile == title);
book = (Book)bk.ToList().FirstOrDefault();
}
return(book);
}
public int NewIssue(Issue issue)
{
int rows = 0;
using (var ctx = new UckLibMgrDbEntities())
{
ctx.Issues.Add(issue);
rows = ctx.SaveChanges();
}
return(rows);
}
public List <Book> GetAllBooks()
{
List <Book> books = null;
using (var ctx = new UckLibMgrDbEntities())
{
var bks = from book in ctx.Books
select book;
books = bks.ToList();
}
return(books);
}
public List <String> GetAllStudentNames()
{
List <String> studentNames = null;
using (var ctx = new UckLibMgrDbEntities())
{
var sts = from student in ctx.Students
select student.Name;
studentNames = sts.ToList();
}
return(studentNames);
}
public Student FindByName(String student)
{
Student s = null;
using (var ctx = new UckLibMgrDbEntities())
{
var st = ctx.Students.Where(stu => stu.Name == student);
s = (Student)st;
}
return(s);
}
public int UpdateIssue(Issue issue)
{
int rows = 0;
using (var ctx = new UckLibMgrDbEntities())
{
var i = ctx.Issues.Where(iss => iss.IssueId == issue.IssueId).ToList().FirstOrDefault();
i.IssueDate = issue.IssueDate;
i.ModifiedDate = issue.ModifiedDate;
}
return(rows);
}
public Login FindByUserName(String userName)
{
Login login = null;
using (var ctx = new UckLibMgrDbEntities())
{
var adminLogin = ctx.Logins.Where(l => l.UserName == userName);
if (adminLogin != null)
{
login = (Login)adminLogin.ToList().FirstOrDefault();
}
}
return(login);
}
public Issue FIndById(int issueId)
{
Issue bookIssue = null;
using (var ctx = new UckLibMgrDbEntities())
{
var i = ctx.Issues.Where(iss => iss.IssueId == issueId);
if (i != null)
{
bookIssue = (Issue)i.ToList().FirstOrDefault();
}
}
return(bookIssue);
}
public int UpdateBook(int bookId, String title, String author,
String publisher, DateTime publishDate,
String isbn)
{
int rows = 0;
using (var ctx = new UckLibMgrDbEntities())
{
var book = ctx.Books.Find(bookId);
book.Ttile = title;
book.Author = author;
book.Publisher = publisher;
book.PublishedDate = publishDate;
book.ISBN = isbn;
book.ModifiedDate = DateTime.Now;
rows = ctx.SaveChanges();
}
return(rows);
}
