nxy/bot/mcmaniac.py
2017-08-22 17:43:48 +02:00

68 lines
1.9 KiB
Python

# -*- coding: utf-8 -*-
import irc3
from docopt import Dict
from irc3.plugins.command import command
from irc3.utils import IrcString
from psycopg2 import Error
from . import DatabasePlugin
from .utils import parse_int
class McManiac(DatabasePlugin):
@command(options_first=True)
def mcmaniac(self, mask: IrcString, target: IrcString, args: Dict):
"""Get a random McManiaC or by index.
%%mcmaniac [<index>]
"""
index = args.get('<index>')
if index:
index = parse_int(index)
if not index:
return
index, order = index
order = 'id {order}'.format(order=order)
offset = 'offset %s'
else:
order = 'random()'
offset = ''
# Fetch result from database
self.cur.execute('''
select
item,
rank() over (order by id),
count(*) over (rows between unbounded preceding
and unbounded following) as total
from
mcmaniacs
order by
{order}
limit
1
{offset}
'''.format(order=order, offset=offset), [index])
result = self.cur.fetchone()
if result:
return '[{rank}/{total}] {item}'.format(**result)
# TODO: fix regex ("McFooiaC McBariaC" adds "Mc\S+iaC")
@irc3.event(r'^:(?P<mask>\S+) PRIVMSG \S+ :.*(?P<item>Mc\S+iaC).*')
def save(self, mask: str, item: str):
if IrcString(mask).nick != self.bot.nick:
try:
# Insert into database
self.cur.execute('''
INSERT INTO
mcmaniacs (item)
VALUES
(%s)
''', [item])
self.con.commit()
except Error:
# Rollback transaction on error
self.con.rollback()