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CloudBot/plugins/quote.py
Luke Rogers d6683b32f4 PEP-8
2014-02-14 17:03:08 +13:00

149 lines
5.3 KiB
Python

import random
import re
import time
from util import hook
def format_quote(q, num, n_quotes):
"""Returns a formatted string of a quote"""
ctime, nick, msg = q
return "[{}/{}] <{}> {}".format(num, n_quotes,
nick, msg)
def create_table_if_not_exists(db):
"""Creates an empty quote table if one does not already exist"""
db.execute("create table if not exists quote"
"(chan, nick, add_nick, msg, time real, deleted default 0, "
"primary key (chan, nick, msg))")
db.commit()
def add_quote(db, chan, nick, add_nick, msg):
"""Adds a quote to a nick, returns message string"""
try:
db.execute('''INSERT OR FAIL INTO quote
(chan, nick, add_nick, msg, time)
VALUES(?,?,?,?,?)''',
(chan, nick, add_nick, msg, time.time()))
db.commit()
except db.IntegrityError:
return "Message already stored, doing nothing."
return "Quote added."
def del_quote(db, chan, nick, add_nick, msg):
"""Deletes a quote from a nick"""
db.execute('''UPDATE quote SET deleted = 1 WHERE
chan=? AND lower(nick)=lower(?) AND msg=msg''')
db.commit()
def get_quote_num(num, count, name):
"""Returns the quote number to fetch from the DB"""
if num: # Make sure num is a number if it isn't false
num = int(num)
if count == 0: # Error on no quotes
raise Exception("No quotes found for {}.".format(name))
if num and num < 0: # Count back if possible
num = count + num + 1 if num + count > -1 else count + 1
if num and num > count: # If there are not enough quotes, raise an error
raise Exception("I only have {} quote{} for {}.".format(count, ('s', '')[count == 1], name))
if num and num == 0: # If the number is zero, set it to one
num = 1
if not num: # If a number is not given, select a random one
num = random.randint(1, count)
return num
def get_quote_by_nick(db, nick, num=False):
"""Returns a formatted quote from a nick, random or selected by number"""
count = db.execute('''SELECT COUNT(*) FROM quote WHERE deleted != 1
AND lower(nick) = lower(?)''', [nick]).fetchall()[0][0]
try:
num = get_quote_num(num, count, nick)
except Exception as error_message:
return error_message
quote = db.execute('''SELECT time, nick, msg
FROM quote
WHERE deleted != 1
AND lower(nick) = lower(?)
ORDER BY time
LIMIT ?, 1''', (nick, (num - 1))).fetchall()[0]
return format_quote(quote, num, count)
def get_quote_by_nick_chan(db, chan, nick, num=False):
"""Returns a formatted quote from a nick in a channel, random or selected by number"""
count = db.execute('''SELECT COUNT(*)
FROM quote
WHERE deleted != 1
AND chan = ?
AND lower(nick) = lower(?)''', (chan, nick)).fetchall()[0][0]
try:
num = get_quote_num(num, count, nick)
except Exception as error_message:
return error_message
quote = db.execute('''SELECT time, nick, msg
FROM quote
WHERE deleted != 1
AND chan = ?
AND lower(nick) = lower(?)
ORDER BY time
LIMIT ?, 1''', (chan, nick, (num - 1))).fetchall()[0]
return format_quote(quote, num, count)
def get_quote_by_chan(db, chan, num=False):
"""Returns a formatted quote from a channel, random or selected by number"""
count = db.execute('''SELECT COUNT(*)
FROM quote
WHERE deleted != 1
AND chan = ?''', (chan,)).fetchall()[0][0]
try:
num = get_quote_num(num, count, chan)
except Exception as error_message:
return error_message
quote = db.execute('''SELECT time, nick, msg
FROM quote
WHERE deleted != 1
AND chan = ?
ORDER BY time
LIMIT ?, 1''', (chan, (num - 1))).fetchall()[0]
return format_quote(quote, num, count)
@hook.command('q')
@hook.command
def quote(inp, nick='', chan='', db=None, notice=None):
"""quote [#chan] [nick] [#n]/.quote add <nick> <msg>
Gets random or [#n]th quote by <nick> or from <#chan>/adds quote."""
create_table_if_not_exists(db)
add = re.match(r"add[^\w@]+(\S+?)>?\s+(.*)", inp, re.I)
retrieve = re.match(r"(\S+)(?:\s+#?(-?\d+))?$", inp)
retrieve_chan = re.match(r"(#\S+)\s+(\S+)(?:\s+#?(-?\d+))?$", inp)
if add:
quoted_nick, msg = add.groups()
notice(add_quote(db, chan, quoted_nick, nick, msg))
return
elif retrieve:
select, num = retrieve.groups()
by_chan = True if select.startswith('#') else False
if by_chan:
return get_quote_by_chan(db, select, num)
else:
return get_quote_by_nick(db, select, num)
elif retrieve_chan:
chan, nick, num = retrieve_chan.groups()
return get_quote_by_nick_chan(db, chan, nick, num)
notice(quote.__doc__)