public Boolean addRenting(Renting renting)
{
var db = new MaintainDb();
rentings.Add(renting);
db.insertSingleObject(renting);
return(true);
}
public Boolean readRentings()
{
var db = new MaintainDb();
var rentingsFromDb = db.readRentings();
foreach (var renting in rentingsFromDb)
{
rentings.Add(renting);
}
return(true);
}
public Boolean addLibrarian(Librarian librarian)
{
var db = new MaintainDb();
foreach (var l in librarians)
{
if (l.firstName == librarian.firstName && l.lastName == librarian.lastName)
{
return(false);
}
}
librarians.Add(librarian);
db.insertSingleObject(librarian);
return(true);
}
public Boolean addBook(Book book)
{
var db = new MaintainDb();
foreach (var b in books)
{
if (b.id == book.id)
{
;
}
}
books.Add(book);
db.insertSingleObject(book);
return(true);
}
public Boolean addAuthor(Author author)
{
var db = new MaintainDb();
if (authors.Count > 0)
{
foreach (var a in authors)
{
if (a.firstName == author.firstName && a.lastName == author.lastName)
{
return(false);
}
}
}
authors.Add(author);
db.insertSingleObject(author);
return(true);
}
public Boolean readReaders()
{
var db = new MaintainDb();
var readersFromDb = db.readReaders();
foreach (var reader in readersFromDb)
{
foreach (var readerStored in readers)
{
if (reader.firstName == readerStored.firstName && reader.lastName == readerStored.lastName)
{
;
}
else
{
readers.Add(reader);
}
}
}
return(true);
}
public Boolean readBooks()
{
var db = new MaintainDb();
var booksFromDb = db.readBooks();
foreach (var book in booksFromDb)
{
foreach (var bookStored in books)
{
if (book.id == bookStored.id)
{
;
}
else
{
books.Add(book);
}
}
}
return(true);
}
public Boolean readLibrarians()
{
var db = new MaintainDb();
var librariansFromDb = db.readLibrarians();
foreach (var librarian in librariansFromDb)
{
foreach (var librarianStored in librarians)
{
if (librarian.firstName == librarianStored.firstName && librarian.lastName == librarianStored.lastName)
{
;
}
else
{
librarians.Add(librarian);
}
}
}
return(true);
}
public Boolean readAuthors()
{
var db = new MaintainDb();
var authorsFromDb = db.readAuthors();
foreach (var author in authorsFromDb)
{
foreach (var authorsStored in authors)
{
if (author.firstName == authorsStored.firstName && author.lastName == authorsStored.lastName)
{
;
}
else
{
authors.Add(author);
}
}
}
return(true);
}
