def home():
return render_template(
'home/home.html',
genre_urls=utilities.get_genres_and_urls(),
year_urls=utilities.get_year_and_urls(),
director_urls=utilities.get_directors_and_urls(),
actor_urls=utilities.get_actors_and_urls(),
home_movies=utilities.get_selected_movies(6),
)
def movies_by_genre():
movies_per_page = 4
# Read query parameters.
genre_name = request.args.get('genre')
cursor = request.args.get('cursor')
movie_to_show_comments = request.args.get('view_comments_for')
if movie_to_show_comments is None:
# No view-comments query parameter, so set to a non-existent movie rank.
movie_to_show_comments = -1
else:
# Convert movie_to_show_comments from string to int.
movie_to_show_comments = int(movie_to_show_comments)
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_ranks = services.get_movie_ranks_for_genre(genre_name, repo.repo_instance)
# Retrieve the batch of movies to display on the Web page.
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('feed_bp.movies_by_genre', genre=genre_name, cursor=cursor - movies_per_page)
first_movie_url = url_for('feed_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('feed_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('feed_bp.movies_by_genre', genre=genre_name, cursor=last_cursor)
# Construct urls for viewing movie comments and adding comments.
for movie in movies:
movie['view_comment_url'] = url_for('feed_bp.movies_by_genre', genre=genre_name, cursor=cursor, view_comments_for=movie['rank'])
movie['add_comment_url'] = url_for('feed_bp.comment_on_movie', movie=movie['rank'])
# Generate the webpage to display the movies.
return render_template(
'feed/movies.html',
title='Movies',
movies_title=genre_name + ' movies',
movies=movies,
selected_movies=utilities.get_selected_movies(len(movies) * 2),
genre_urls=utilities.get_genres_and_urls(),
year_urls=utilities.get_year_and_urls(),
director_urls=utilities.get_directors_and_urls(),
actor_urls=utilities.get_actors_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_comments_for_movie=movie_to_show_comments
)