@Override
public List extractData(ResultSet rs) throws Exception {
List<Genre> genre = new ArrayList<Genre>();
while (rs.next()) {
Genre a = new Genre();
a.setGenreId(rs.getInt("genre_id"));
a.setGenreName(rs.getString("genre_name"));
genre.add(a);
}
return genre;
}
private void deleteBookGenre(Book book) {
Connection conn;
try {
conn = getConnection();
GenreDAO authorDAO = new GenreDAO(conn);
BookDAO bookDAO = new BookDAO(conn);
List<Genre> allGenres =
(List<Genre>)
authorDAO.read(
"SELECT * FROM tbl_genre JOIN tbl_book_genres ON tbl_genre.genre_id = tbl_book_genres.genre_id WHERE bookId = ?",
new Object[] {book.getBookId()});
ArrayList<Genre> toDelete = new ArrayList<Genre>();
ArrayList<String> actions = new ArrayList<String>();
actions.add("Cancel");
ArrayList<String> questions = new ArrayList<String>();
questions.add("Yes");
questions.add("No");
boolean more = true;
do {
System.out.println("Choose Genre");
int genre = getChoiceNumber(allGenres, actions);
if (genre == -1) {
more = false;
} else {
toDelete.add(allGenres.get(genre - 1));
allGenres.remove(genre - 1);
if (allGenres.isEmpty()) {
more = false;
break;
}
System.out.println("Delete more genres?");
displayOptions(questions);
int next = getInputInt(1, 2);
more = next == 1;
}
} while (more);
List<Author> curAuthors = book.getAuthors();
for (Genre genre : toDelete) {
authorDAO.save(
"DELETE FROM tbl_book_genres WHERE genre_id = ? AND bookId =?",
new Object[] {genre.getGenreId(), book.getBookId()});
}
conn.commit();
conn.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private void Deletegenre() throws SQLException {
boolean exit_Add = false;
int id;
Map<Integer, String> m = as.listGenre2();
System.out.println("\nGenre ID | Genre Name ");
System.out.println("---------------------------------------");
for (Map.Entry<Integer, String> map : m.entrySet()) {
System.out.println(map.getKey() + "\t " + map.getValue());
}
do {
System.out.println("Enter the Genre Id you want to delete:");
try {
id = Integer.parseInt(sc.nextLine().trim());
if (m.containsKey(id)) {
Genre g = new Genre();
g.setGenreId(id);
as.deleteGenre(g);
System.out.println("Deleted successfuly");
} else {
System.out.println("This Id does not exist.");
}
} catch (Exception e) {
System.out.println("INFO:Should be an integer!");
}
if (!exit_Add) {
System.out.println();
System.out.println();
System.out.println("Press ' q ' to return or any other key to continue");
String option = (sc.nextLine());
if (option.length() > 0) {
switch (option.charAt(0)) {
case 'q':
exit_Add = true;
break;
default:
exit_Add = false;
break;
}
}
}
} while (!exit_Add);
}
private void addBookGenre(Book book) {
Connection conn;
try {
conn = getConnection();
GenreDAO genreDAO = new GenreDAO(conn);
BookDAO bookDAO = new BookDAO(conn);
List<Genre> allGenres =
(List<Genre>)
genreDAO.read(
"SELECT * FROM tbl_author WHERE tbl_author.authorId NOT IN (SELECT tbl_book_authors.authorId FROM tbl_book_authors WHERE bookId=?)",
new Object[] {book.getBookId()});
ArrayList<Genre> newGenres = new ArrayList<Genre>();
ArrayList<String> actions = new ArrayList<String>();
actions.add("Cancel");
ArrayList<String> questions = new ArrayList<String>();
questions.add("Yes");
questions.add("No");
boolean more = true;
do {
System.out.println("Choose Genre");
int author = getChoiceNumber(allGenres, actions);
if (author == -1) {
more = false;
} else {
newGenres.add(allGenres.get(author - 1));
allGenres.remove(author - 1);
if (allGenres.isEmpty()) {
more = false;
break;
}
System.out.println("Add more genres?");
displayOptions(questions);
int next = getInputInt(1, 2);
more = next == 1;
}
} while (more);
for (Genre genre : newGenres) {
bookDAO.save(
"INSERT INTO tbl_book_genres (bookId,genre_id) VALUES(?,?)",
new Object[] {book.getBookId(), genre.getGenreId()});
}
conn.commit();
conn.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private void Addgenre() throws Exception {
boolean exit_Add = false;
String name;
Map<Integer, String> m = as.listGenre2();
do {
System.out.println("Enter the Genre Name:");
name = sc.nextLine();
if (!m.containsValue(name)) {
Genre g = new Genre();
g.setGenreName(name);
try {
as.createGenre(g);
System.out.println("Added successfully");
System.out.println("---------------------------------------------");
exit_Add = true;
} catch (Exception e) {
System.out.println(e.getMessage());
}
} else {
System.out.println("This Genre already exists.");
}
if (!exit_Add) {
System.out.println();
System.out.println();
System.out.println("Press ' q ' to return or any other key to continue");
String option = (sc.nextLine());
if (option.length() > 0) {
switch (option.charAt(0)) {
case 'q':
exit_Add = true;
break;
default:
exit_Add = false;
break;
}
}
}
} while (!exit_Add);
}
private void Updategenre2(int id) throws SQLException {
boolean exit_Add = false;
Map<Integer, String> m = as.listGenre2();
String name;
do {
System.out.println();
System.out.println("Enter the new Genre Name:");
name = sc.nextLine();
if (!m.containsKey(name)) {
Genre g = new Genre();
g.setGenreId(id);
g.setGenreName(name);
try {
as.updateGenre(g);
System.out.println("Update successful");
exit_Add = true;
} catch (Exception e) {
System.out.println(e.getMessage());
}
} else {
System.out.println("Update successful");
}
if (!exit_Add) {
System.out.println();
System.out.println();
System.out.println("Press ' q ' to return or any other key to continue");
String option = (sc.nextLine());
if (option.length() > 0) {
switch (option.charAt(0)) {
case 'q':
exit_Add = true;
break;
default:
exit_Add = false;
break;
}
}
}
} while (!exit_Add);
}
@Override
public List extractData(ResultSet rs) throws Exception {
List<Genre> genres = new ArrayList<Genre>();
BookDAO bdao = new BookDAO(getConnection());
while (rs.next()) {
Genre g = new Genre();
g.setGenreId(rs.getInt("genre_id"));
g.setGenreName(rs.getString("genre_name"));
@SuppressWarnings("unchecked")
List<Book> books =
(List<Book>)
bdao.readFirstLevel(
"select * from tbl_book where bookId In"
+ "(select bookId from tbl_book_genres where genreId=?)",
new Object[] {rs.getInt("genreId")});
genres.add(g);
}
return genres;
}
/**
* ************************************GENRE
* SECTION********************************************************************
*/
public void createGenre(Genre genre) throws Exception {
ConnectionUtil c = new ConnectionUtil();
Connection conn = c.createConnection();
try {
if (genre == null
|| genre.getGenreName() == null
|| genre.getGenreName().length() == 0
|| genre.getGenreName().length() > 45) {
throw new Exception("Genre Name cannot be empty or more than 45 Chars");
} else {
GenreDAO gdao = new GenreDAO(conn);
gdao.create(genre);
conn.commit();
}
} catch (Exception e) {
e.printStackTrace();
conn.rollback();
} finally {
conn.close();
}
}
public void delete(Genre genre) throws Exception {
save("delete from tbl_genre where genre_id = ?", new Object[] {genre.getGenreName()});
}
public void update(Genre genre) throws Exception {
save(
"update tbl_genre set genre_name = ? where genre_id = ?",
new Object[] {genre.getGenreName()});
}
public void create(Genre genre) throws Exception {
save("insert into tbl_genre (genre_name) values(?)", new Object[] {genre.getGenreName()});
}