public static Item GetItem(long id)
{
using (LibraryDataContext ctx = new LibraryDataContext())
{
Item found = ctx.Items.Find(id);
ctx.Entry(found).Collection(item => item.Authors).Load();
ctx.Entry(found).Collection(item => item.Editions).Load();
foreach (Edition ed in found.Editions)
ctx.Entry(ed).Collection(edi => edi.Copies).Load();
ctx.Entry(found).Collection(item => item.ItemSubjects).Load();
ctx.Entry(found).Collection(item => item.Reserves).Load();
return found;
}
}
public async Task <IActionResult> PutBook(int id, Book book)
{
if (id != book.Id)
{
return(BadRequest());
}
_context.Entry(book).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!BookExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public async Task <IActionResult> PutTransaction(int id, Transaction transaction)
{
if (id != transaction.TransactionId)
{
return(BadRequest());
}
_context.Entry(transaction).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!TransactionExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public static Item GetItem(long id)
{
using (LibraryDataContext ctx = new LibraryDataContext())
{
Item found = ctx.Items.Find(id);
ctx.Entry(found).Collection(item => item.Authors).Load();
ctx.Entry(found).Collection(item => item.Editions).Load();
foreach (Edition ed in found.Editions)
{
ctx.Entry(ed).Collection(edi => edi.Copies).Load();
}
ctx.Entry(found).Collection(item => item.ItemSubjects).Load();
ctx.Entry(found).Collection(item => item.Reserves).Load();
return(found);
}
}
public static void UpdatePatron(Patron patron)
{
using (LibraryDataContext ctx = new LibraryDataContext())
{
ctx.Patrons.Attach(patron);
ctx.Entry(patron).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
}
public static void Delete(Lookup lookup)
{
using (LibraryDataContext ctx = new LibraryDataContext())
{
ctx.Lookups.Attach(lookup);
ctx.Entry(lookup).State = System.Data.Entity.EntityState.Deleted;
ctx.SaveChanges();
}
}
public static void UpdatePublisher(Publisher persistentPublisher)
{
using (LibraryDataContext ctx = new LibraryDataContext())
{
ctx.Publishers.Attach(persistentPublisher);
ctx.Entry(persistentPublisher).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
}
public static void Update(Lookup lookup)
{
using (LibraryDataContext ctx = new LibraryDataContext())
{
ctx.Lookups.Attach(lookup);
ctx.Entry(lookup).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
}
public static void UpdateAuthor(Author author)
{
using (Data.LibraryDataContext ctx = new LibraryDataContext())
{
ctx.Authors.Attach(author);
ctx.Entry(author).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
}
public static void UpdatePatron(Patron patron)
{
using (LibraryDataContext ctx = new LibraryDataContext())
{
ctx.Patrons.Attach(patron);
ctx.Entry(patron).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
}
public static void UpdatePublisher(Publisher persistentPublisher)
{
using (LibraryDataContext ctx = new LibraryDataContext())
{
ctx.Publishers.Attach(persistentPublisher);
ctx.Entry(persistentPublisher).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
}
public static void UpdateAuthor(Author author)
{
using (Data.LibraryDataContext ctx = new LibraryDataContext())
{
ctx.Authors.Attach(author);
ctx.Entry(author).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
}
