def register(): form = RegistrationForm() username_not_unique = None if form.validate_on_submit(): # Successful POST, i.e. the username and password have passed validation checking. # Use the service layer to attempt to add the new user. try: services.add_user(form.username.data, form.password.data, repo.repo_instance) # All is well, redirect the user to the login page. return redirect(url_for('authentication_bp.login')) except services.NameNotUniqueException: username_not_unique = 'Your username is already taken - please supply another' # For a GET or a failed POST request, return the Registration Web page. return render_template( 'authentication/credentials.html', title='Register', form=form, username_error_message=username_not_unique, handler_url=url_for('authentication_bp.register'), selected_movies=utilities.get_selected_movies(), genre_urls=utilities.get_genres_and_urls() )
def home(): return render_template( 'home/home.html', selected_movies=utilities.get_selected_movies(), genre_urls=utilities.get_genres_and_urls(), actor_urls=utilities.get_actors_and_urls(), director_urls=utilities.get_directors_and_urls(), )
def movies_by_genre(): movies_per_page = 3 # Read query parameters. genre_name = request.args.get('genre') cursor = request.args.get('cursor') if cursor is None: # No cursor query parameter, so initialise cursor to start at the beginning. cursor = 0 else: # Convert cursor from string to int. cursor = int(cursor) # Retrieve movie ranks for movies has the genre of genre_name. movie_ranks = services.get_movies_ranks_for_genre(genre_name, repo.repo_instance) movies = services.get_movies_by_rank(movie_ranks[cursor:cursor + movies_per_page], repo.repo_instance) first_movie_url = None last_movie_url = None next_movie_url = None prev_movie_url = None if cursor > 0: # There are preceding movies, so generate URLs for the 'previous' and 'first' navigation buttons. prev_movie_url = url_for('movies_bp.movies_by_genre', genre=genre_name, cursor=cursor - movies_per_page) first_movie_url = url_for('movies_bp.movies_by_genre', genre=genre_name) if cursor + movies_per_page < len(movie_ranks): # There are further movies, so generate URLs for the 'next' and 'last' navigation buttons. next_movie_url = url_for('movies_bp.movies_by_genre', genre=genre_name, cursor=cursor + movies_per_page) last_cursor = movies_per_page * int(len(movie_ranks) / movies_per_page) if len(movie_ranks) % movies_per_page == 0: last_cursor -= movies_per_page last_movie_url = url_for('movies_bp.movies_by_genre', genre=genre_name, cursor=last_cursor) # Generate the webpage to display the movies. return render_template( 'movies/movies.html', title='Movies', movies_title='Movies with genre ' + genre_name, movies=movies, selected_movies=utilities.get_selected_movies(len(movies) * 2), genre_urls=utilities.get_genres_and_urls(), first_movie_url=first_movie_url, last_movie_url=last_movie_url, prev_movie_url=prev_movie_url, next_movie_url=next_movie_url, )
def review_on_movie(): # Obtain the username of the currently logged in user. username = session['username'] # Create form. The form maintains state, e.g. when this method is called with a HTTP GET request and populates # the form with an movie id, when subsequently called with a HTTP POST request, the movie id remains in the # form. form = ReviewForm() if form.validate_on_submit(): # Successful POST, i.e. the review text has passed data validation. # Extract the movie id, representing the reviewed movie, from the form. movie_id = int(form.movie_id.data) # Use the service layer to store the new review. services.add_review(movie_id, form.review.data, username, repo.repo_instance) # Retrieve the movie in dict form. movie = services.get_movie(movie_id, repo.repo_instance) # Cause the web browser to display the page of all movies that have the same date as the reviewed movie, # and display all reviews, including the new review. return redirect( url_for('news_bp.movies_by_date', date=movie['date'], view_reviews_for=movie_id)) if request.method == 'GET': # Request is a HTTP GET to display the form. # Extract the movie id, representing the movie to review, from a query parameter of the GET request. movie_id = int(request.args.get('movie')) # Store the movie id in the form. form.movie_id.data = movie_id else: # Request is a HTTP POST where form validation has failed. # Extract the movie id of the movie being reviewed from the form. movie_id = int(form.movie_id.data) # For a GET or an unsuccessful POST, retrieve the movie to review in dict form, and return a Web page that allows # the user to enter a review. The generated Web page includes a form object. movie = services.get_movie(movie_id, repo.repo_instance) return render_template('news/review_on_movie.html', title='Edit movie', movie=movie, form=form, handler_url=url_for('news_bp.review_on_movie'), selected_movies=utilities.get_selected_movies(), genre_urls=utilities.get_genres_and_urls())
def movie_by_rank(): # Read query parameters. target_rank = request.args.get('rank') # Fetch the first and last movies in the series. first_movie = services.get_first_movie(repo.repo_instance) last_movie = services.get_last_movie(repo.repo_instance) if target_rank is None: # No date query parameter, so return movies starting from rank 1 of the series. target_rank = first_movie['rank'] else: target_rank = int(target_rank) movie, previous_rank, next_rank = services.get_movie_by_a_rank(target_rank, repo.repo_instance) movies_to_display = services.mov_on_page(target_rank, repo.repo_instance) first_movie_url = None last_movie_url = None next_movie_url = None prev_movie_url = None if movie is not None: # There is a movie with the given rank if previous_rank is not None: # There is a movie with -1 smaller rank. So generate URLs for the 'previous' and 'first' navigation buttons. prev_movie_url = url_for('movies_bp.movie_by_rank', rank=previous_rank) first_movie_url = url_for('movies_bp.movie_by_rank', rank=first_movie['rank']) if next_rank is not None: # There are movies with +1 larger rank, so generate URLs for the 'next' and 'last' navigation buttons. next_movie_url = url_for('movies_bp.movie_by_rank', rank=next_rank) last_movie_url = url_for('movies_bp.movie_by_rank', rank=last_movie['rank']) # Generate the webpage to display the articles. return render_template( 'movies/movies.html', title='Movies', movie_title=target_rank, movies=movie, selected_movies=utilities.get_selected_movies(8), selected_movies_on_page=movies_to_display, genre_urls=utilities.get_genres_and_urls(), first_movie_url=first_movie_url, last_movie_url=last_movie_url, prev_movie_url=prev_movie_url, next_movie_url=next_movie_url, ) # No articles to show, so return the homepage. return redirect(url_for('home_bp.home'))
def login(): form = LoginForm() username_not_recognised = None password_does_not_match_username = None if form.validate_on_submit(): # Successful POST, i.e. the username and password have passed validation checking. # Use the service layer to lookup the user. try: user = services.get_user(form.username.data, repo.repo_instance) # Authenticate user. services.authenticate_user(user['username'], form.password.data, repo.repo_instance) # Initialise session and redirect the user to the home page. session.clear() session['username'] = user['username'] return redirect(url_for('home_bp.home')) except services.UnknownUserException: # Username not known to the system, set a suitable error message. username_not_recognised = 'Username not recognised - please supply another' except services.AuthenticationException: # Authentication failed, set a suitable error message. password_does_not_match_username = '******' # For a GET or a failed POST, return the Login Web page. return render_template( 'authentication/credentials.html', title='Login', username_error_message=username_not_recognised, password_error_message=password_does_not_match_username, form=form, selected_movies=utilities.get_selected_movies(), genre_urls=utilities.get_genres_and_urls() )
def watchlist(): username = session['username'] user_watchlist = services.get_watchlist(username, repo.repo_instance) movies_per_page = 3 # Read query parameters. cursor = request.args.get('cursor') movie_to_show_reviews = request.args.get('view_reviews_for') if movie_to_show_reviews is None: # No view-reviews query parameter, so set to a non-existent movie id. movie_to_show_reviews = -1 else: # Convert movie_to_show_reviews from string to int. movie_to_show_reviews = int(movie_to_show_reviews) if cursor is None: # No cursor query parameter, so initialise cursor to start at the beginning. cursor = 0 else: # Convert cursor from string to int. cursor = int(cursor) # Retrieve the batch of movies to display on the Web page. movies = services.movies_to_dict(user_watchlist) first_movie_url = None last_movie_url = None next_movie_url = None prev_movie_url = None if cursor > 0: # There are preceding movies, so generate URLs for the 'previous' and 'first' navigation buttons. prev_movie_url = url_for('movie_library_bp.watchlist', cursor=cursor - movies_per_page) first_movie_url = url_for('movie_library_bp.watchlist') if cursor + movies_per_page < len(movies): # There are further movies, so generate URLs for the 'next' and 'last' navigation buttons. next_movie_url = url_for('movie_library_bp.watchlist', cursor=cursor + movies_per_page) last_cursor = movies_per_page * int(len(movies) / movies_per_page) if len(movies) % movies_per_page == 0: last_cursor -= movies_per_page last_movie_url = url_for('movie_library_bp.watchlist', cursor=last_cursor) # Construct urls for viewing movie reviews and adding reviews. for movie in movies: movie['view_review_url'] = url_for('movie_library_bp.watchlist', cursor=cursor, view_reviews_for=movie['id']) movie['add_review_url'] = url_for( 'movie_library_bp.write_review_on_movie', movie=movie['id']) movie['add_to_watchlist_url'] = url_for( 'movie_library_bp.add_to_watchlist', movie=movie['id']) movie['remove_from_watchlist_url'] = url_for( 'movie_library_bp.remove_from_watchlist', movie=movie['id']) # Generate the webpage to display the movies. return render_template('movie_library/movies.html', title='Movies', movies_title=username + "'s Watch List", movies=movies, selected_movies=utilities.get_selected_movies(3), actor_urls=utilities.get_actors_and_urls(), director_urls=utilities.get_directors_and_urls(), genre_urls=utilities.get_genres_and_urls(), first_movie_url=first_movie_url, last_movie_url=last_movie_url, prev_movie_url=prev_movie_url, next_movie_url=next_movie_url, show_reviews_for_movie=movie_to_show_reviews, is_watchlist=True)
def movies_by_rank(): # Read query parameters. target_id = request.args.get('id') movie_to_show_reviews = request.args.get('view_reviews_for') # Fetch the first and last movies in the series. first_movie = services.get_first_movie(repo.repo_instance) last_movie = services.get_last_movie(repo.repo_instance) if target_id is None: # No id query parameter, so return movies from day 1 of the series. target_id = first_movie['id'] else: # Convert target_year from string to int. target_id = int(target_id) if movie_to_show_reviews is None: # No view-reviews query parameter, so set to a non-existent movie id. movie_to_show_reviews = -1 else: # Convert movie_to_show_reviews from string to int. movie_to_show_reviews = int(movie_to_show_reviews) # Fetch movie(s) for the target id. This call also returns the previous and next ids for movies immediately # before and after the target. movies, previous_id, next_id = services.get_movies_by_rank( target_id, repo.repo_instance) first_movie_url = None last_movie_url = None next_movie_url = None prev_movie_url = None if len(movies) > 0: # There's at least one movie for the target id. if previous_id is not None: # There are movie on a previous id, so generate URLs for the 'previous' and 'first' navigation buttons. prev_movie_url = url_for('movie_library_bp.movies_by_rank', id=previous_id) first_movie_url = url_for('movie_library_bp.movies_by_rank', id=first_movie['id']) # There are movies subsequent, so generate URLs for the 'next' and 'last' navigation buttons. if next_id is not None: next_movie_url = url_for('movie_library_bp.movies_by_rank', id=next_id) last_movie_url = url_for('movie_library_bp.movies_by_rank', id=last_movie['id']) # Construct urls for viewing movie reviews and adding reviews. for movie in movies: movie['view_review_url'] = url_for( 'movie_library_bp.movies_by_rank', id=target_id, view_reviews_for=movie['id']) movie['add_review_url'] = url_for( 'movie_library_bp.write_review_on_movie', movie=movie['id']) movie['add_to_watchlist_url'] = url_for( 'movie_library_bp.add_to_watchlist', movie=movie['id']) # Generate the webpage to display the movies. return render_template( 'movie_library/movies.html', title='Movies', movies_title="Ranked: " + str(target_id), movies=movies, selected_movies=utilities.get_selected_movies(3), actor_urls=utilities.get_actors_and_urls(), director_urls=utilities.get_directors_and_urls(), genre_urls=utilities.get_genres_and_urls(), first_movie_url=first_movie_url, last_movie_url=last_movie_url, prev_movie_url=prev_movie_url, next_movie_url=next_movie_url, show_reviews_for_movie=movie_to_show_reviews, is_watchlist=False) # No movies to show, so return the homepage. return redirect(url_for('home_bp.home'))
def movies_by_genre(): movies_per_page = 5 # Read query parameters. genre_name = request.args.get('genre') cursor = request.args.get('cursor') movie_to_show_reviews = request.args.get('view_reviews_for') if movie_to_show_reviews is None: # No view-reviews query parameter, so set to a non-existent movie id. movie_to_show_reviews = -1 else: # Convert movie_to_show_reviews from string to int. movie_to_show_reviews = int(movie_to_show_reviews) if cursor is None: # No cursor query parameter, so initialise cursor to start at the beginning. cursor = 0 else: # Convert cursor from string to int. cursor = int(cursor) # Retrieve movie ids for movies that are genreged with genre_name. movie_ids = services.get_movie_ids_for_genre(genre_name, repo.repo_instance) # Retrieve the batch of movies to display on the Web page. movies = services.get_movies_by_id( movie_ids[cursor:cursor + movies_per_page], repo.repo_instance) first_movie_url = None last_movie_url = None next_movie_url = None prev_movie_url = None if cursor > 0: # There are preceding movies, so generate URLs for the 'previous' and 'first' navigation buttons. prev_movie_url = url_for('news_bp.movies_by_genre', genre=genre_name, cursor=cursor - movies_per_page) first_movie_url = url_for('news_bp.movies_by_genre', genre=genre_name) if cursor + movies_per_page < len(movie_ids): # There are further movies, so generate URLs for the 'next' and 'last' navigation buttons. next_movie_url = url_for('news_bp.movies_by_genre', genre=genre_name, cursor=cursor + movies_per_page) last_cursor = movies_per_page * int(len(movie_ids) / movies_per_page) if len(movie_ids) % movies_per_page == 0: last_cursor -= movies_per_page last_movie_url = url_for('news_bp.movies_by_genre', genre=genre_name, cursor=last_cursor) # Construct urls for viewing movie reviews and adding reviews. for movie in movies: movie['view_review_url'] = url_for('news_bp.movies_by_genre', genre=genre_name, cursor=cursor, view_reviews_for=movie['id']) movie['add_review_url'] = url_for('news_bp.review_on_movie', movie=movie['id']) # Generate the webpage to display the movies. return render_template('news/articles.html', title='Movies', movies_title='Movies by ' + genre_name, movies=movies, selected_movies=utilities.get_selected_movies( len(movies) * 2), genre_urls=utilities.get_genres_and_urls(), first_movie_url=first_movie_url, last_movie_url=last_movie_url, prev_movie_url=prev_movie_url, next_movie_url=next_movie_url, show_reviews_for_movie=movie_to_show_reviews)
def movies_by_date(): # Read query parameters. target_date = request.args.get('date') movie_to_show_reviews = request.args.get('view_reviews_for') # Fetch the first and last movies in the series. first_movie = services.get_first_movie(repo.repo_instance) last_movie = services.get_last_movie(repo.repo_instance) if target_date is None: # No date query parameter, so return movies from day 1 of the series. target_date = first_movie['date'] else: # Convert target_date from string to date. target_date = date.fromisoformat(target_date) if movie_to_show_reviews is None: # No view-reviews query parameter, so set to a non-existent movie id. movie_to_show_reviews = -1 else: # Convert movie_to_show_reviews from string to int. movie_to_show_reviews = int(movie_to_show_reviews) # Fetch movie(s) for the target date. This call also returns the previous and next dates for movies immediately # before and after the target date. movies, previous_date, next_date = services.get_movies_by_date( target_date, repo.repo_instance) first_movie_url = None last_movie_url = None next_movie_url = None prev_movie_url = None if len(movies) > 0: # There's at least one movie for the target date. if previous_date is not None: # There are movies on a previous date, so generate URLs for the 'previous' and 'first' navigation buttons. prev_movie_url = url_for('news_bp.movies_by_date', date=previous_date.isoformat()) first_movie_url = url_for('news_bp.movies_by_date', date=first_movie['date'].isoformat()) # There are movies on a subsequent date, so generate URLs for the 'next' and 'last' navigation buttons. if next_date is not None: next_movie_url = url_for('news_bp.movies_by_date', date=next_date.isoformat()) last_movie_url = url_for('news_bp.movies_by_date', date=last_movie['date'].isoformat()) # Construct urls for viewing movie reviews and adding reviews. for movie in movies: movie['view_review_url'] = url_for('news_bp.movies_by_date', date=target_date, view_reviews_for=movie['id']) movie['add_review_url'] = url_for('news_bp.review_on_movie', movie=movie['id']) # Generate the webpage to display the movies. return render_template( 'news/articles.html', title='Movies', movies_title='Movies made in ' + target_date.strftime('%Y'), movies=movies, selected_movies=utilities.get_selected_movies(len(movies) * 2), genre_urls=utilities.get_genres_and_urls(), first_movie_url=first_movie_url, last_movie_url=last_movie_url, prev_movie_url=prev_movie_url, next_movie_url=next_movie_url, show_reviews_for_movie=movie_to_show_reviews) # No movies to show, so return the homepage. return redirect(url_for('home_bp.home'))
def movies_by_actor(): movies_per_page = 3 actor_name = request.args.get('actor') cursor = request.args.get('cursor') movie_to_show_reviews = request.args.get('view_reviews_for') if movie_to_show_reviews is None: movie_to_show_reviews = -1 else: movie_to_show_reviews = int(movie_to_show_reviews) if cursor is None: cursor = 0 else: cursor = int(cursor) movie_ids = services.get_movie_ids_for_actor(actor_name, repo.repo_instance) movies = services.get_movies_by_id( movie_ids[cursor:cursor + movies_per_page], repo.repo_instance) first_movie_url = None last_movie_url = None next_movie_url = None prev_movie_url = None if cursor > 0: prev_movie_url = url_for('movie_bp.movies_by_actor', actor=actor_name, cursor=cursor - movies_per_page) first_movie_url = url_for('movie_bp.movies_by_actor', actor=actor_name) if cursor + movies_per_page < len(movie_ids): next_movie_url = url_for('movie_bp.movies_by_actor', actor=actor_name, cursor=cursor + movies_per_page) last_cursor = movies_per_page * int(len(movie_ids) / movies_per_page) if len(movie_ids) % movies_per_page == 0: last_cursor -= movies_per_page last_movie_url = url_for('movie_bp.movies_by_actor', actor=actor_name, cursor=last_cursor) for movie in movies: movie['view_review_url'] = url_for('movie_bp.movies_by_actor', actor=actor_name, cursor=cursor, view_reviews_for=movie['id']) movie['add_review_url'] = url_for('movie_bp.review_on_movie', movie=movie['id']) movie['add_to_watchlist_url'] = url_for('movie_bp.add_to_watchlist', movie=movie['id']) return render_template('movie/movies.html', title='Movies', movies_title='Movies featuring ' + actor_name, movies=movies, selected_movies=utilities.get_selected_movies(3), actor_urls=utilities.get_actors_and_urls(), director_urls=utilities.get_directors_and_urls(), genre_urls=utilities.get_genres_and_urls(), first_movie_url=first_movie_url, last_movie_url=last_movie_url, prev_movie_url=prev_movie_url, next_movie_url=next_movie_url, show_reviews_for_movie=movie_to_show_reviews, is_watchlist=False)
def movies_by_id(): # Read query parameters. target_id = request.args.get('id') movie_to_show_reviews = request.args.get('view_reviews_for') first_movie = services.get_first_movie(repo.repo_instance) last_movie = services.get_last_movie(repo.repo_instance) if target_id is None: target_id = first_movie['id'] else: target_id = int(target_id) if movie_to_show_reviews is None: movie_to_show_reviews = -1 else: movie_to_show_reviews = int(movie_to_show_reviews) movies, previous_id, next_id = services.get_top_movies( target_id, repo.repo_instance) first_movie_url = None last_movie_url = None next_movie_url = None prev_movie_url = None if len(movies) > 0: if previous_id is not None: prev_movie_url = url_for('movie_bp.movies_by_id', id=previous_id) first_movie_url = url_for('movie_bp.movies_by_id', id=first_movie['id']) if next_id is not None: next_movie_url = url_for('movie_bp.movies_by_id', id=next_id) last_movie_url = url_for('movie_bp.movies_by_id', id=last_movie['id']) for movie in movies: movie['view_review_url'] = url_for('movie_bp.movies_by_id', id=target_id, view_reviews_for=movie['id']) movie['add_review_url'] = url_for('movie_bp.review_on_movie', movie=movie['id']) movie['add_to_watchlist_url'] = url_for( 'movie_bp.add_to_watchlist', movie=movie['id']) return render_template( 'movie/movies.html', title='Movies', movies_title="Ranked: " + str(target_id), movies=movies, selected_movies=utilities.get_selected_movies(3), actor_urls=utilities.get_actors_and_urls(), director_urls=utilities.get_directors_and_urls(), genre_urls=utilities.get_genres_and_urls(), first_movie_url=first_movie_url, last_movie_url=last_movie_url, prev_movie_url=prev_movie_url, next_movie_url=next_movie_url, show_reviews_for_movie=movie_to_show_reviews, is_watchlist=False) # No movies to show, so return the homepage. return redirect(url_for('home_bp.home'))