MarseyWorld/files/helpers/offsitementions.py

94 lines
3.2 KiB
Python

from flask import g
import itertools
import requests
from sqlalchemy import or_
import files.helpers.const as const
from files.classes.user import User
from files.classes.comment import Comment
from files.classes.notifications import Notification
from files.helpers.sanitize import sanitize
# Note: while https://api.pushshift.io/meta provides the key
# server_ratelimit_per_minute, in practice Cloudflare puts stricter,
# unofficially documented limits at around 60/minute. We get nowhere near this
# with current keyword quantities. If this ever changes, consider reading the
# value from /meta (or just guessing) and doing a random selection of keywords.
def offsite_mentions_task():
if const.REDDIT_NOTIFS_SITE:
row_send_to = g.db.query(User.id) \
.filter(or_(User.admin_level >= const.PERMS['NOTIFICATIONS_REDDIT'],
User.offsitementions == True)).all()
send_to = [x[0] for x in row_send_to]
site_mentions = get_mentions(const.REDDIT_NOTIFS_SITE)
notify_mentions(send_to, site_mentions)
if const.REDDIT_NOTIFS_USERS:
for query, send_user in const.REDDIT_NOTIFS_USERS.items():
user_mentions = get_mentions([query])
notify_mentions([send_user], user_mentions, mention_str='mention of you')
def get_mentions(queries):
kinds = ['submission', 'comment']
mentions = []
for kind, query in itertools.product(kinds, queries):
try:
data = requests.get(f'https://api.pushshift.io/reddit/{kind}/search?html_decode=true&q={query}&size=1', timeout=5).json()['data']
except: break
for i in data:
# Special case: PokemonGoRaids says 'Marsey' a lot unrelated to us.
if i['subreddit'] == 'PokemonGoRaids': continue
if kind == 'comment':
body = i["body"].replace('>', '> ')
text = f'<blockquote><p>{body}</p></blockquote>'
else:
title = i["title"].replace('>', '> ')
# Special case: a spambot says 'WPD' a lot unrelated to us.
if 'Kathrine Mclaurin' in title: continue
text = f'<blockquote><p>{title}</p></blockquote>'
if i["selftext"]:
selftext = i["selftext"].replace('>', '> ')[:5000]
text += f'<br><blockquote><p>{selftext}</p></blockquote>'
mentions.append({
'permalink': i['permalink'],
'author': i['author'],
'text': text,
})
return mentions
def notify_mentions(send_to, mentions, mention_str='site mention'):
for m in mentions:
author = m['author']
permalink = m['permalink']
text = sanitize(m['text'], golden=False)
notif_text = \
f"""<p>New {mention_str} by <a href="https://old.reddit.com/u/{author}" rel="nofollow noopener noreferrer" target="_blank">/u/{author}</a></p><p><a href="https://old.reddit.com{permalink}?context=89" rel="nofollow noopener noreferrer" target="_blank">https://old.reddit.com{permalink}?context=89</a></p>{text}"""
existing_comment = g.db.query(Comment.id).filter_by(
author_id=const.AUTOJANNY_ID,
parent_submission=None,
body_html=notif_text).one_or_none()
if existing_comment: break
new_comment = Comment(
author_id=const.AUTOJANNY_ID,
parent_submission=None,
body_html=notif_text,
distinguish_level=6)
g.db.add(new_comment)
g.db.flush()
new_comment.top_comment_id = new_comment.id
for user_id in send_to:
notif = Notification(comment_id=new_comment.id, user_id=user_id)
g.db.add(notif)