# retoor <retoor@molodetz.nl>
from collections import Counter
from devplacepy.cache import TTLCache
from .core import db, get_table, or_
_daily_topic_cache = TTLCache(ttl=60, max_size=1)
_trending_cache = TTLCache(ttl=15, max_size=1)
def resolve_by_slug(table, slug, include_deleted=False):
has_soft_delete = table.has_column("deleted_at")
flt = {} if include_deleted or not has_soft_delete else {"deleted_at": None}
entry = table.find_one(slug=slug, **flt)
if not entry:
entry = table.find_one(uid=slug, **flt)
return entry
def resolve_object_url(target_type: str, target_uid: str) -> str:
if target_type == "post":
post = resolve_by_slug(get_table("posts"), target_uid)
return f"/posts/{post['slug'] or post['uid']}" if post else "/feed"
if target_type == "project":
project = resolve_by_slug(get_table("projects"), target_uid)
return (
f"/projects/{project['slug'] or project['uid']}" if project else "/projects"
)
if target_type == "news":
article = resolve_by_slug(get_table("news"), target_uid)
if article:
return f"/news/{article.get('slug', '') or article['uid']}"
return "/news"
if target_type == "issue":
return f"/issues?highlight={target_uid}"
if target_type == "gist":
gist = resolve_by_slug(get_table("gists"), target_uid)
return f"/gists/{gist['slug'] or gist['uid']}" if gist else "/gists"
if target_type == "comment":
comment = get_table("comments").find_one(uid=target_uid, deleted_at=None)
if not comment:
return "/feed"
parent_url = resolve_object_url(
comment.get("target_type", "post"),
comment.get("target_uid") or comment.get("post_uid", ""),
)
return f"{parent_url}#comment-{target_uid}"
if target_type == "award":
award = resolve_by_slug(get_table("awards"), target_uid)
if award:
receiver = get_table("users").find_one(uid=award.get("receiver_uid", ""))
if receiver:
return f"/profile/{receiver['username']}?tab=awards#award-{award.get('slug', '')}"
return "/feed"
def get_uids_by_username_match(search, limit=200):
term = (search or "").strip()
if not term or "users" not in db.tables:
return []
rows = db.query(
"SELECT uid FROM users WHERE username LIKE :q LIMIT :limit",
q=f"%{term}%",
limit=limit,
)
return [row["uid"] for row in rows]
def text_search_clause(
table, search, fields=("title", "description"), author_field=None
):
if not search or not search.strip() or not table.exists:
return None
columns = table.table.columns
like = f"%{search.strip()}%"
matches = [columns[field].ilike(like) for field in fields if field in columns]
if author_field and author_field in columns:
author_uids = get_uids_by_username_match(search)
if author_uids:
matches.append(columns[author_field].in_(author_uids))
return or_(*matches) if matches else None
def get_daily_topic():
cached = _daily_topic_cache.get("topic")
if cached is not None:
return cached
topic = _load_daily_topic()
_daily_topic_cache.set("topic", topic)
return topic
def _load_daily_topic():
if "news" in db.tables:
article = db["news"].find_one(
status="published", deleted_at=None, order_by=["-synced_at"]
)
if article:
desc = (article.get("description") or "")[:200] or (
article.get("content") or ""
)[:200]
return {
"title": article.get("title", ""),
"summary": desc,
"slug": article.get("slug", ""),
"url": article.get("url", ""),
"image_url": article.get("image_url", ""),
}
return {
"title": "Welcome to DevPlace",
"summary": "Stay tuned for the latest dev news.",
}
def get_featured_news(limit=5):
if "news" not in db.tables:
return []
from devplacepy.utils import time_ago
rows = list(
db["news"].find(
show_on_landing=1, deleted_at=None, order_by=["-synced_at"], _limit=limit
)
)
articles = []
for article in rows:
summary = (article.get("description") or "")[:120] or (
article.get("content") or ""
)[:120]
articles.append(
{
"title": article.get("title", ""),
"summary": summary,
"slug": article.get("slug", ""),
"url": article.get("url", ""),
"source_name": article.get("source_name", ""),
"featured": article.get("featured", 0),
"image_url": article.get("image_url", "") or "",
"time_ago": time_ago(article["synced_at"])
if article.get("synced_at")
else "",
}
)
return articles
def get_trending_topics(limit: int = 6) -> list[dict]:
cached = _trending_cache.get("topics")
if cached is not None:
return cached[:limit]
if "posts" not in db.tables or "topic" not in db["posts"].columns:
return []
rows = db.query(
"SELECT topic FROM posts WHERE deleted_at IS NULL "
"AND topic IS NOT NULL AND topic != '' "
"ORDER BY created_at DESC LIMIT 200"
)
counter: Counter[str] = Counter()
for row in rows:
topic = (row["topic"] or "").strip()
if topic:
counter[topic] += 1
topics = [{"topic": t, "count": c} for t, c in counter.most_common(limit)]
_trending_cache.set("topics", topics)
return topics