mirror of
https://gitlab.com/chicken-riders/RcGcDb.git
synced 2025-02-23 00:54:09 +00:00
95 lines
3.9 KiB
Python
95 lines
3.9 KiB
Python
from __future__ import annotations
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from typing import TYPE_CHECKING
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from urllib.parse import urlparse, urlunparse
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import logging
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import asyncpg
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from src.exceptions import NoDomain
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from src.config import settings
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from src.domain import Domain
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from src.irc_feed import AioIRCCat
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from src.wiki import Wiki
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logger = logging.getLogger("rcgcdb.domain_manager")
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class DomainManager:
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def __init__(self):
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self.domains: dict[str, Domain] = {}
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async def webhook_update(self, connection: asyncpg.Connection, pid: int, channel: str, payload: str):
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"""Callback for database listener. Used to update our domain cache on changes such as new wikis or removed wikis"""
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split_payload = payload.split(" ")
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logger.debug("Received pub/sub message: {}".format(payload))
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if len(split_payload) < 2:
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raise ValueError("Improper pub/sub message! Pub/sub payload: {}".format(payload))
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if split_payload[0] == "ADD":
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await self.new_wiki(Wiki(split_payload[1], None, None))
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elif split_payload[0] == "REMOVE":
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try:
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results = await connection.fetch("SELECT * FROM rcgcdw WHERE wiki = $1;", split_payload[1])
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if len(results) > 0: # If there are still webhooks for this wiki - just update its targets
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await self.return_domain(self.get_domain(split_payload[1])).get_wiki(split_payload[1]).update_targets()
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except asyncpg.IdleSessionTimeoutError:
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logger.error("Couldn't check amount of webhooks with {} wiki!".format(split_payload[1]))
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return
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self.remove_wiki(split_payload[1])
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else:
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raise ValueError("Unknown pub/sub command! Payload: {}".format(payload))
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async def new_wiki(self, wiki: Wiki):
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"""Finds a domain for the wiki and adds a wiki to the domain object.
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:parameter wiki - Wiki object to be added"""
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wiki_domain = self.get_domain(wiki.script_url)
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try:
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await self.domains[wiki_domain].add_wiki(wiki)
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except KeyError:
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new_domain = await self.new_domain(wiki_domain)
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await new_domain.add_wiki(wiki)
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def remove_domain(self, domain: Domain):
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domain.destroy()
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del self.domains[domain.name]
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def remove_wiki(self, script_url: str):
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wiki_domain = self.get_domain(script_url)
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try:
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domain = self.domains[wiki_domain]
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except KeyError:
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raise NoDomain
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else:
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domain.remove_wiki(script_url)
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if len(domain) == 0:
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self.remove_domain(domain)
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@staticmethod
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def get_domain(url: str) -> str:
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"""Returns a domain for given URL (for example fandom.com, wikipedia.org)"""
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parsed_url = urlparse(url)
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return ".".join(urlunparse((*parsed_url[0:2], "", "", "", "")).split(".")[-2:])
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def check_for_domain(self, domain: str):
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return domain in self.domains
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def return_domain(self, domain: str):
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return self.domains[domain]
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async def new_domain(self, name: str) -> Domain:
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domain_object = Domain(name)
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for irc_server in settings["irc_servers"].keys():
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if name in settings["irc_servers"][irc_server]["domains"]:
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domain_object.set_irc(AioIRCCat(settings["irc_servers"][irc_server]["irc_channel_mapping"], domain_object, None, None))
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domain_object.irc.connect(settings["irc_servers"][irc_server]["irc_host"], settings["irc_servers"][irc_server]["irc_port"],
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settings["irc_servers"][irc_server]["irc_name"], ircname=settings["irc_servers"][irc_server]["irc_nickname"])
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break # Allow only one IRC for a domain
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self.domains[name] = domain_object
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return self.domains[name]
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def run_all_domains(self):
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for domain in self.domains.values():
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domain.run_domain()
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domains = DomainManager()
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