feat: best comments bot (internal beta)

etc/crontab

@@ -1,6 +1,7 @@
 0 1 * * * root cd /app && python3 manage.py delete_users  >/proc/1/fd/1 2>/proc/1/fd/2
 0 3 * * * root cd /app && python3 manage.py cleanup_old_oauth_tokens  >/proc/1/fd/1 2>/proc/1/fd/2
 0 8 * * 2,3,4,5 root cd /app && python3 manage.py send_daily_digest --production true  >/proc/1/fd/1 2>/proc/1/fd/2
+30 9,12,15,18,22 * * 1-5 root cd /app && python3 manage.py send_best_comments  >/proc/1/fd/1 2>/proc/1/fd/2
 0 11 * * 1 root cd /app && python3 manage.py send_weekly_digest --production true  >/proc/1/fd/1 2>/proc/1/fd/2
 0 5 * * 7 root cd /app && python3 manage.py rebuild_search_index  >/proc/1/fd/1 2>/proc/1/fd/2
 0 8 * * * root cd /app && python3 manage.py replay_stuck_reviews  >/proc/1/fd/1 2>/proc/1/fd/2

notifications/management/commands/send_best_comments.py

@@ -0,0 +1,52 @@
+import logging
+from datetime import datetime, timedelta
+
+from django.conf import settings
+from django.core.management import BaseCommand
+from django.template.loader import render_to_string
+
+from comments.models import Comment
+from notifications.telegram.common import send_telegram_message, Chat
+
+log = logging.getLogger(__name__)
+
+TELEGRAM_CHANNEL_ID = -1001814814883
+TIME_INTERVAL = timedelta(days=3)
+LIMIT = 20
+MIN_UPVOTES = 25
+
+
+class Command(BaseCommand):
+    help = "Send best comments to the channel"
+
+    def handle(self, *args, **options):
+        best_comments = Comment.visible_objects().filter(
+            created_at__gte=datetime.utcnow() - TIME_INTERVAL,
+            post__is_approved_by_moderator=True,
+            upvotes__gte=MIN_UPVOTES,
+        ).order_by("-upvotes")[:LIMIT]
+
+        for comment in best_comments:
+            if not comment.metadata or not comment.metadata.get("in_best_comments"):
+                self.stdout.write(f"Comment {comment.id} +{comment.upvotes}")
+                comment.metadata = comment.metadata or {}
+                comment.metadata["in_best_comments"] = True
+                comment.save()
+
+                message = render_to_string("messages/best_comments.html", {
+                    "comment": comment,
+                    "settings": settings,
+                })
+
+                try:
+                    send_telegram_message(
+                        chat=Chat(id=TELEGRAM_CHANNEL_ID),
+                        text=message,
+                        disable_preview=False,
+                    )
+                except Exception as ex:
+                    self.stdout.write(f"Error sending the message: {ex}")
+
+                break
+
+        self.stdout.write("Done 🥙")

notifications/telegram/templates/messages/best_comments.html

@@ -0,0 +1,5 @@
+{% load text_filters %}{% load posts %}Re: <b><a href="{{ settings.APP_HOST }}{% url "show_post" comment.post.type comment.post.slug %}">{% if comment.post.emoji %}{{ comment.post.emoji }} {% endif %}{% if comment.post.prefix %}{{ comment.post.prefix }} {% endif %}{{ comment.post.title }}</a></b> (+{{ comment.upvotes }})
+
+<b>{{ comment.author.slug }}:</b> {% render_plain comment 3000 %}
+
+<a href="{{ settings.APP_HOST }}{% url "show_comment" comment.post.slug comment.id %}#comment-{{ comment.id }}">Посмотреть ➜</a>