pgbot/pgbotlib/response.py
2024-10-23 14:26:09 +03:00

116 lines
3.9 KiB
Python

import re
import telethon
import yaml
import pgbotlib.api
import pgbotlib.dbstuff
import pgbotlib.misc
def get_token(token_name: str, token_regex: list) -> tuple:
regex = []
for i in token_regex:
regex.append(re.compile(i))
return token_name, regex
def get_tokens(path: str) -> list:
with open(path, 'r', encoding='utf-8') as data:
tokens = yaml.safe_load(data.read())
return [get_token(i, tokens[i]) for i in tokens]
class Responder:
def __init__(self, config: dict,
client: telethon.TelegramClient,
db_connection: pgbotlib.dbstuff.DBConn,
namegen: pgbotlib.misc.NameGenerator) -> None:
# apiregex matches "{apiname}optional data"
# message itself is also passed to the api call method
self.enabled = True
self.apiregex = re.compile(r'^\{(\w+)\}(.+)?$')
self.namegen = pgbotlib.misc.NameGenerator(config, db_connection)
self.tokens = get_tokens(
config.get('response_tokens', pgbotlib.misc.Paths.TOKENS)
)
self.chats = config['chats']
self.api = pgbotlib.api.ApiWrapper(self.tokens, db_connection)
self.db_connection = db_connection
self.client = client
def tokenize(self, message: str) -> frozenset:
tokens = set()
for token, regexi in self.tokens:
for regex in regexi:
if regex.search(message):
tokens.add(token)
break
return frozenset(tokens)
def __get_keys(self) -> dict:
result = {}
query = 'SELECT DISTINCT tokens FROM responses'
for i in self.db_connection.query_raw(query, tuple()):
result[frozenset(i[0].split(','))] = i[0]
return result
def __response_choice(self, key: str) -> str:
return self.db_connection.query_random(
"SELECT response FROM responses WHERE tokens = %s", (key,))
def enable(self) -> None:
self.enabled = True
def disable(self) -> None:
self.enabled = False
def is_enabled(self) -> bool:
return self.enabled
def get_response(self, tokens: frozenset) -> str:
counter = 0
keys = self.__get_keys()
for items, string in keys.items():
if items <= tokens:
# check for priority tokens
for token in items:
if token.startswith('!'):
return self.__response_choice(string)
match_length = len(items & tokens)
if match_length > counter:
counter = match_length
key = string
if not counter:
return None
return self.__response_choice(key)
def api_match(self, response: str, message: str) -> str:
match = self.apiregex.search(response)
if not match:
return response
api_spec = match.groups()
return self.api.call(*api_spec, message)
async def username(self, response: str,
event: telethon.events.common.EventBuilder) -> str:
if '<username>' not in response:
return response
sender = await event.get_sender()
username = self.namegen.get_name(sender)
return response.replace('<username>', username)
async def respond(self,
event: telethon.events.common.EventBuilder) -> None:
if not self.enabled:
return None
chat_id = telethon.utils.get_peer_id(event.message.peer_id)
if chat_id not in self.chats:
return None
message = event.message.text.lower()
tokens = self.tokenize(message)
response = self.get_response(tokens)
if not response:
return None
response = self.api_match(response, message)
response = await self.username(response, event)
await self.client.send_message(event.message.peer_id, response)