def edit_movie_callback(new_movie: config.MovieTypedDict,
selected_tags: Sequence[str]):
""" Change movie and links in database in accordance with new user supplied data,
Args:
new_movie: Fields with either original values or values modified by the user.
selected_tags:
Consist of:
Previously unselected tags that have been selected by the user
And previously selected tags that have not been deselected by the user.
Raises exception.DatabaseSearchFoundNothing
"""
# Edit the movie
database.replace_movie(old_movie, new_movie)
# Edit links
old_tags = database.movie_tags(old_movie)
new_movie = config.MovieKeyTypedDict(title=new_movie['title'],
year=new_movie['year'])
try:
database.edit_movie_tag_links(new_movie, old_tags, selected_tags)
# Can't add tags because new movie has been deleted.
except exception.DatabaseSearchFoundNothing:
missing_movie_args = (
config.app.tk_root, 'Missing movie',
f'The movie {new_movie} is no longer in the database. It may have '
f'been deleted by another process. ')
guiwidgets.gui_messagebox(*missing_movie_args)
def delete(self):
"""The user clicked the 'Delete' button. """
if messagebox.askyesno(message='Do you want to delete this movie?',
icon='question', default='no', parent=self.parent):
movie = config.MovieKeyTypedDict(title=self.entry_fields['title'].original_value,
year=int(self.entry_fields['year'].original_value))
# moviedb-#148 Handle exception for missing database record
# See test_guiwidgets.TestAddMovieGUI.test_commit_callback_method for test method
self.delete_callback(movie)
self.destroy()
def add_movie_callback(movie: config.MovieTypedDict,
selected_tags: Sequence[str]):
""" Add user supplied data to the database.
Args:
movie:
selected_tags:
"""
database.add_movie(movie)
movie = config.MovieKeyTypedDict(title=movie['title'], year=movie['year'])
for tag in selected_tags:
database.add_movie_tag_link(tag, movie)
def select_movie_callback(title: str, year: int):
"""Edit a movie selected by the user from a list of movies.
Args:
title:
year:
"""
# Get record from database
movie = database.find_movies(dict(title=title, year=year))[0]
movie_key = config.MovieKeyTypedDict(title=movie['title'],
year=movie['year'])
# PyCharm bug https://youtrack.jetbrains.com/issue/PY-41268
# noinspection PyTypeChecker
guiwidgets.EditMovieGUI(config.app.tk_root,
edit_movie_callback_wrapper(movie_key),
delete_movie_callback, ['commit', 'delete'],
database.all_tags(), movie)
# Find compliant movies.
criteria['tags'] = tags
# Remove empty items because SQL treats them as meaningful.
criteria = {
k: v
for k, v in criteria.items()
if v != '' and v != [] and v != () and v != ['', '']
}
movies = database.find_movies(criteria)
if (movies_found := len(movies)) <= 0:
raise exception.DatabaseSearchFoundNothing
elif movies_found == 1:
movie = movies[0]
movie_key = config.MovieKeyTypedDict(title=movie['title'],
year=movie['year'])
# PyCharm bug https://youtrack.jetbrains.com/issue/PY-41268
# noinspection PyTypeChecker
guiwidgets.EditMovieGUI(config.app.tk_root,
edit_movie_callback_wrapper(movie_key),
delete_movie_callback, ['commit', 'delete'],
database.all_tags(), movie)
else:
guiwidgets.SelectMovieGUI(config.app.tk_root, movies,
select_movie_callback)
def edit_movie_callback_wrapper(
old_movie: config.MovieKeyTypedDict) -> Callable:
""" Crete the edit movie callback