def put_label_comment(request: Request, name: CommentLabelOption,
reason: str) -> Response:
"""Add a label to a comment."""
comment = request.context
if not request.user.is_label_available(name):
raise HTTPUnprocessableEntity("That label is not available.")
savepoint = request.tm.savepoint()
weight = request.user.comment_label_weight
if weight is None:
weight = request.registry.settings[
"tildes.default_user_comment_label_weight"]
label = CommentLabel(comment, request.user, name, weight, reason)
request.db_session.add(label)
_mark_comment_read_from_interaction(request, comment)
try:
# manually flush before attempting to commit, to avoid having all objects
# detached from the session in case of an error
request.db_session.flush()
request.tm.commit()
except FlushError:
savepoint.rollback()
# re-query the comment to get complete data
comment = (request.query(Comment).join_all_relationships().filter_by(
comment_id=comment.comment_id).one())
return {"comment": comment}
def get_settings_theme_previews(request: Request) -> dict:
"""Generate the theme preview page."""
# get the generic/unknown user and a random group to display on the example posts
fake_user = request.query(User).filter(User.user_id == -1).one()
group = request.query(Group).order_by(func.random()).limit(1).one()
fake_link_topic = Topic.create_link_topic(group, fake_user,
"Example Link Topic",
"https://tildes.net/")
fake_text_topic = Topic.create_text_topic(group, fake_user,
"Example Text Topic",
"No real text")
fake_text_topic.content_metadata = {
"excerpt": "Lorem ipsum dolor sit amet, consectetur adipiscing elit."
}
fake_topics = [fake_link_topic, fake_text_topic]
# manually add other necessary attributes to the fake topics
for fake_topic in fake_topics:
fake_topic.topic_id = sys.maxsize
fake_topic.tags = ["tag one", "tag two"]
fake_topic.num_comments = 123
fake_topic.num_votes = 12
fake_topic.created_time = utc_now() - timedelta(hours=12)
# create a fake top-level comment that appears to be written by the user
markdown = (
"This is what a regular comment written by yourself would look like.\n\n"
"It has **formatting** and a [link](https://tildes.net).")
fake_top_comment = Comment(fake_link_topic, request.user, markdown)
fake_top_comment.comment_id = sys.maxsize
fake_top_comment.created_time = utc_now() - timedelta(hours=12, minutes=30)
child_comments_markdown = [
("This reply has received an Exemplary label. It also has a blockquote:\n\n"
"> Hello World!"),
("This is a reply written by the topic's OP with a code block in it:\n\n"
"```js\n"
"function foo() {\n"
" ['1', '2', '3'].map(parseInt);\n"
"}\n"
"```"),
("This reply is new and has the *Mark New Comments* stripe on its left "
"(even if you don't have that feature enabled)."),
]
fake_comments = [fake_top_comment]
# vary the ID and created_time on each fake comment so CommentTree works properly
current_comment_id = fake_top_comment.comment_id
current_created_time = fake_top_comment.created_time
for markdown in child_comments_markdown:
current_comment_id -= 1
current_created_time += timedelta(minutes=5)
fake_comment = Comment(fake_link_topic,
fake_user,
markdown,
parent_comment=fake_top_comment)
fake_comment.comment_id = current_comment_id
fake_comment.created_time = current_created_time
fake_comment.parent_comment_id = fake_top_comment.comment_id
fake_comments.append(fake_comment)
# add other necessary attributes to all of the fake comments
for fake_comment in fake_comments:
fake_comment.num_votes = 0
fake_tree = CommentTree(fake_comments, CommentTreeSortOption.NEWEST,
request.user)
# add a fake Exemplary label to the first child comment
fake_comments[1].labels = [
CommentLabel(fake_comments[1], fake_user, CommentLabelOption.EXEMPLARY,
1.0)
]
# the comment to mark as new is the last one, so set a visit time just before it
fake_last_visit_time = fake_comments[-1].created_time - timedelta(
minutes=1)
return {
"theme_options": THEME_OPTIONS,
"fake_topics": fake_topics,
"fake_comment_tree": fake_tree,
"last_visit": fake_last_visit_time,
}