def deleteBook(self):
book_session.delete(self.book)
book_session.commit()
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Information, 'Book deleted', 'Success')
def updateValues(self):
try:
counter_books = book_session.query(Book).count()
genres = book_session.query(Genre).all()
self.genre_series.clear()
for genre in genres:
genre_books = book_session.query(Book).filter_by(
genre_id=genre.id).count()
self.genre_series.append(genre.name,
genre_books / counter_books)
for i in range(len(self.genre_series)):
slice = QPieSlice()
slice = self.genre_series.slices()[i]
slice.setLabelVisible(True)
authors = book_session.query(Author).all()
self.author_series.clear()
for author in authors:
author_books = book_session.query(Book).filter_by(
author_id=author.id).count()
self.author_series.append(author.name + " " + author.surname,
author_books / counter_books)
for i in range(len(self.author_series)):
slice = QPieSlice()
slice = self.author_series.slices()[i]
slice.setLabelVisible(True)
self.status_series.clear()
all_status = book_session.query(BookStatus).all()
counter_status = {}
for status in all_status:
book_status = book_session.query(Book).filter_by(
status_id=status.id).count()
self.status_series.append(status.name,
book_status / counter_books)
for i in range(len(self.status_series)):
slice = QPieSlice()
slice = self.status_series.slices()[i]
slice.setLabelVisible(True)
if slice.label() == 'Not readed':
slice.setColor(QColor(255, 0, 0))
elif slice.label() == 'In progress':
slice.setColor(QColor(0, 0, 255))
elif slice.label() == 'Readed':
slice.setColor(QColor(0, 100, 0))
except ZeroDivisionError:
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Critical, 'Insufficient data for chart',
'Error')
def deleteGenre(self):
books = book_session.query(Book).filter_by(
genre_id=self.genre.id).all()
for book in books:
book_session.delete(book)
book_session.delete(self.genre)
book_session.commit()
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Information, 'Genre deleted', 'Success')
def deleteGenre(self):
movies = movie_session.query(Movie).filter_by(
genre_id=self.genre.id).all()
for movie in movies:
movie_session.delete(movie)
movie_session.delete(self.genre)
movie_session.commit()
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Information, 'Genre deleted', 'Success')
def deleteFilmDirector(self):
#CANCELLO TUTTI I FILM ASSOCIATI AL REGISTA
movies = movie_session.query(Movie).filter_by(film_director_id=self.filmDirector.id).all()
for movie in movies:
movie_session.delete(movie)
movie_session.delete(self.filmDirector)
movie_session.commit()
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Information, 'Film director deleted', 'Success')
def updateValues(self):
try:
counter_movies = movie_session.query(Movie).count()
genres = movie_session.query(Genre).all()
self.genre_series.clear()
for genre in genres:
genre_movies = movie_session.query(Movie).filter_by(genre_id=genre.id).count()
self.genre_series.append(genre.name, genre_movies/counter_movies)
for i in range(len(self.genre_series)):
slice = QPieSlice()
slice = self.genre_series.slices()[i]
slice.setLabelVisible(True)
film_directors = movie_session.query(Film_director).all()
self.filmDirector_series.clear()
for film_director in film_directors:
filmDirector_movie = movie_session.query(Movie).filter_by(film_director_id=film_director.id).count()
self.filmDirector_series.append(film_director.name + " " + film_director.surname, filmDirector_movie/counter_movies)
for i in range(len(self.filmDirector_series)):
slice = QPieSlice()
slice = self.filmDirector_series.slices()[i]
slice.setLabelVisible(True)
self.status_series.clear()
all_status = movie_session.query(MovieStatus).all()
counter_status = {}
for status in all_status:
movie_status = movie_session.query(Movie).filter_by(status_id = status.id).count()
self.status_series.append(status.name, movie_status/counter_movies)
for i in range(len(self.status_series)):
slice = QPieSlice()
slice = self.status_series.slices()[i]
slice.setLabelVisible(True)
if slice.label() == 'Not watched':
slice.setColor(QColor(255, 0, 0))
elif slice.label() == 'Watched':
slice.setColor(QColor(0, 100, 0))
except ZeroDivisionError:
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Critical, 'Insufficient data for chart', 'Error')
def deleteAuthor(self):
#CANCELLO TUTTI I LIBRI ASSOCIATI ALL'AUTORE
books = book_session.query(Book).filter_by(
author_id=self.author.id).all()
for book in books:
book_session.delete(book)
book_session.delete(self.author)
book_session.commit()
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Information, 'Author deleted', 'Success')
def addAuthor(self):
try:
name = self.ui.authorName_lineEdit.text()
surname = self.ui.authorSurname_lineEdit.text()
if len(name) == 0: raise NoInputException('Enter author name')
if len(surname) == 0: raise NoInputException('Enter author surname')
author = Author(name=name, surname=surname)
book_session.add(author)
book_session.commit()
self.clearAll()
openDialog(QMessageBox.Information, 'Author inserted', 'Success')
except NoInputException as e:
message = e.error_message
openDialog(QMessageBox.Critical, message, 'Error')
def addFilmDirector(self):
try:
name = self.ui.filmDirectorName_lineEdit.text()
surname = self.ui.filmDirectorSurname_lineEdit.text()
if len(name) == 0:
raise NoInputException('Enter film director name')
if len(surname) == 0:
raise NoInputException('Enter film director surname')
filmDirector = Film_director(name=name, surname=surname)
movie_session.add(filmDirector)
movie_session.commit()
self.clearAll()
openDialog(QMessageBox.Information, 'Film director inserted',
'Success')
except NoInputException as e:
message = e.error_message
openDialog(QMessageBox.Critical, message, 'Error')
def editFilmDirector(self):
try:
name = self.ui.filmDirectorName_lineEdit.text()
surname = self.ui.filmDirectorSurname_lineEdit.text()
if len(name) == 0: raise NoInputException('Enter name of the author')
elif len(surname) == 0: raise NoInputException('Enter surname of the author')
if self.filmDirector.name != name or self.filmDirector.surname != surname:
updates = {
'name': name,
'surname': surname
}
for key, value in updates.items():
setattr(self.filmDirector, key, value)
movie_session.commit()
openDialog(QMessageBox.Information, 'Film director edited', 'Success')
else:
openDialog(QMessageBox.Information, 'Nothing changed', 'Success')
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
except NoInputException as e:
message = e.error_message
openDialog(QMessageBox.Critical, message, 'Error')
def addGenre(self):
try:
name = self.ui.genreName_lineEdit.text()
if len(name) == 0: raise NoInputException('Enter genre name')
genre = Genre(name=name)
movie_session.add(genre)
movie_session.commit()
self.clearField()
openDialog(QMessageBox.Information, 'Genre inserted', 'Success')
except NoInputException as e:
message = e.error_message
openDialog(QMessageBox.Critical, message, 'Error')
except IntegrityError:
openDialog(QMessageBox.Critical, 'Genre already inserted', 'Error')
movie_session.rollback()
def editGenre(self):
try:
genre_name = self.ui.genreName_lineEdit.text()
if len(genre_name) == 0:
raise NoInputException('Enter the name of the genre')
setattr(self.genre, 'name', genre_name)
book_session.commit()
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Information, 'Genre edited', 'Success')
except NoInputException as e:
message = e.error_message
openDialog(QMessageBox.Critical, message, 'Error')
except IntegrityError:
openDialog(QMessageBox.Critical, 'Field already inserted', 'Error')
book_session.rollback()
def editBook(self):
try:
book_title = self.ui.bookTitle_lineEdit.text()
isbn = self.ui.bookIsbn_lineEdit.text()
pages = self.ui.bookPages_lineEdit.text()
year = str(self.ui.bookYear_comboBox.currentText())
author = book_session.query(Author).filter_by(
id=self.ui.bookAuthor_comboBox.currentIndex() + 1).first()
genre = book_session.query(Genre).filter_by(
id=self.ui.bookGenre_comboBox.currentIndex() + 1).first()
status = book_session.query(BookStatus).filter_by(
id=self.ui.bookStatus_comboBox.currentIndex() + 1).first()
if len(book_title) == 0:
raise NoInputException('Enter the title of book')
elif len(isbn) == 0:
raise NoInputException('Enter the ISBN of book')
elif len(pages) == 0:
raise NoInputException('Enter book number pages')
elif author == None:
raise NoInputException('Enter the author of the book')
elif genre == None:
raise NoInputException('Enter the genre of the book')
if not pages.isdigit():
raise NoNumericInputException('Pages value not valid')
cover_path = self.ui.bookCoverPath_label.text()
book_cover_path = self.book.cover_path
if cover_path != book_cover_path:
file_name = QUrl.fromLocalFile(cover_path).fileName()
print(file_name)
new_cover_path = join(COVER_PATH, file_name)
shutil.copy(cover_path, new_cover_path)
if cover_path != NO_COVER_AVAILABLE_PATH:
os.remove(book_cover_path)
else:
new_cover_path = self.book.cover_path
description = self.ui.bookDescription_plainTextEdit.toPlainText()
updates = {
'title': book_title,
'isbn': isbn,
'pages': pages,
'year': year,
'author_id': author.id,
'genre_id': genre.id,
'cover_path': new_cover_path,
'status_id': status.id,
'description': description
}
for key, value in updates.items():
setattr(self.book, key, value)
book_session.commit()
home_window = self.parent().findChild(QWidget, 'home_window')
self.parent().setCurrentWidget(home_window)
openDialog(QMessageBox.Information, 'Book edited', 'Success')
except NoInputException as e:
message = e.error_message
openDialog(QMessageBox.Critical, message, 'Error')
except IntegrityError:
openDialog(QMessageBox.Critical, 'Field already inserted', 'Error')
book_session.rollback()
def addBook(self):
try:
book_title = self.ui.bookTitle_lineEdit.text()
isbn = self.ui.bookIsbn_lineEdit.text()
pages = self.ui.bookPages_lineEdit.text()
year = int(self.ui.bookYear_comboBox.currentText())
author = book_session.query(Author).filter_by(id=self.ui.bookAuthor_comboBox.currentIndex() + 1).first()
genre = book_session.query(Genre).filter_by(id=self.ui.bookGenre_comboBox.currentIndex() + 1).first()
cover_path = self.ui.bookCoverPath_label.text()
description = self.ui.bookDescription_plainTextEdit.toPlainText()
status = book_session.query(BookStatus).filter_by(id=self.ui.bookStatus_comboBox.currentIndex() + 1).first()
if len(book_title) == 0: raise NoInputException('Enter the title of book')
elif len(isbn) == 0: raise NoInputException('Enter the ISBN of book')
elif len(pages) == 0: raise NoInputException('Enter book number pages')
elif author == None: raise NoInputException('Enter the author of the book')
elif genre == None: raise NoInputException('Enter the genre of the book')
if not pages.isdigit(): raise NoNumericInputException('Pages value not valid')
if len(cover_path) == 0:
new_cover_path = NO_COVER_AVAILABLE_PATH
else:
file_name = QUrl.fromLocalFile(cover_path).fileName()
new_cover_path = join(COVER_PATH, file_name)
shutil.copy(cover_path, new_cover_path)
print(new_cover_path)
book = Book(title=book_title,
isbn=isbn,
pages=pages,
year=year,
author_id=author.id,
genre_id=genre.id,
description=description,
status_id=status.id,
cover_path=new_cover_path)
book_session.add(book)
book_session.commit()
#results = session.query(Book, Author, Category).select_from(Book).join(Author).join(Category).all()
#print(session.query(Book).join(Book.category_id).join(Book.author_id)).all()
#for book, author, category in results:
#print(book.title, author.name, author.surname, category.name)
self.clearAll()
openDialog(QMessageBox.Information, 'Book added', 'Success')
except NoInputException as e:
message = e.error_message
openDialog(QMessageBox.Critical, message, 'Error')
except NoNumericInputException as e:
message = e.error_message
openDialog(QMessageBox.Critical, message, 'Error')
except IntegrityError:
openDialog(QMessageBox.Critical, 'Book already inserted', 'Error')
book_session.rollback()
