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); }