Files
TK-Wiki-Newsletter/app/services/wiki.py
2026-07-03 11:35:25 +02:00

79 lines
2.8 KiB
Python

from collections import defaultdict
from datetime import datetime, timedelta, timezone
from typing import Any
import httpx
from app.core.config import settings
class WikiService:
def __init__(self) -> None:
self.api_url = settings.wiki_api_url
async def get_recent_changes(self, days: int = 30, only_edited: bool = False) -> list[dict[str, Any]]:
now = datetime.now(timezone.utc)
start = now - timedelta(days=days)
rcstart = now.strftime("%Y-%m-%dT%H:%M:%SZ")
rcend = start.strftime("%Y-%m-%dT%H:%M:%SZ")
params = {
"action": "query",
"format": "json",
"list": "recentchanges",
"rcprop": "title|timestamp|user|comment|flags|sizes|loginfo",
"rclimit": "200",
"rcstart": rcstart,
"rcend": rcend,
"rcnamespace": "0",
}
if only_edited:
params["rctype"] = "edit"
else:
params["rctype"] = "new|edit"
rows: list[dict[str, Any]] = []
cont: dict[str, Any] = {}
async with httpx.AsyncClient(timeout=20.0) as client:
while True:
response = await client.get(self.api_url, params={**params, **cont})
response.raise_for_status()
payload = response.json()
rows.extend(payload.get("query", {}).get("recentchanges", []))
if "continue" not in payload:
break
cont = payload["continue"]
titles = sorted({item["title"] for item in rows if item.get("title")})
categories = await self._get_categories_for_titles(client, titles)
for row in rows:
row["categories"] = categories.get(row.get("title", ""), [])
return rows
async def _get_categories_for_titles(self, client: httpx.AsyncClient, titles: list[str]) -> dict[str, list[str]]:
result: dict[str, list[str]] = defaultdict(list)
if not titles:
return {}
chunk_size = 25
for i in range(0, len(titles), chunk_size):
chunk = titles[i : i + chunk_size]
params = {
"action": "query",
"format": "json",
"prop": "categories",
"cllimit": "max",
"titles": "|".join(chunk),
}
response = await client.get(self.api_url, params=params)
response.raise_for_status()
pages = response.json().get("query", {}).get("pages", {})
for page in pages.values():
title = page.get("title")
if not title:
continue
raw_categories = page.get("categories", [])
result[title] = [c.get("title", "").replace("Kategorie:", "") for c in raw_categories if c.get("title")]
return result