Limnoria/plugins/Dunno.py

#!/usr/bin/python

###
# Copyright (c) 2003, Daniel DiPaolo
# All rights reserved.
#
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# modification, are permitted provided that the following conditions are met:
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#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions, and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#     this list of conditions, and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#   * Neither the name of the author of this software nor the name of
#     contributors to this software may be used to endorse or promote products
#     derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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###

"""
Add the module docstring here.  This will be used by the setup.py script.
"""

import os
import conf
import time
import ircdb
import sqlite
import plugins

import utils
import privmsgs
import callbacks

dbfilename = os.path.join(conf.dataDir, 'Dunno.db')

def configure(onStart, afterConnect, advanced):
    # This will be called by setup.py to configure this module.  onStart and
    # afterConnect are both lists.  Append to onStart the commands you would
    # like to be run when the bot is started; append to afterConnect the
    # commands you would like to be run when the bot has finished connecting.
    from questions import expect, anything, something, yn
    onStart.append('load Dunno')

example = utils.wrapLines("""
Add an example IRC session using this module here.
""")

class Dunno(callbacks.Privmsg):
    priority = 100
    def __init__(self):
        callbacks.Privmsg.__init__(self)
        self.makeDb(dbfilename)
    
    def makeDb(self, filename):
        """create Dunno database and tables"""
        if os.path.exists(filename):
            self.db = sqlite.connect(filename)
            return
        self.db = sqlite.connect(filename, converters={'bool': bool})
        cursor = self.db.cursor()
        cursor.execute("""CREATE TABLE dunnos (
                          id INTEGER PRIMARY KEY,
                          added_by INTEGER,
                          added_at TIMESTAMP,
                          dunno TEXT
                          )""")
        self.db.commit()
        
    def invalidCommand(self, irc, msg, tokens):
        cursor = self.db.cursor()
        cursor.execute("""SELECT dunno
                          FROM dunnos
                          ORDER BY random()
                          LIMIT 1""")
        if cursor.rowcount == 0:
            irc.error(msg, 'No dunnos available, add some with dunno add.')
        else:
            dunno = cursor.fetchone()[0]
            dunno = dunno.replace('$who', msg.nick)
            irc.reply(msg, dunno, prefixName=False)

    def add(self, irc, msg, args):
        """<text>

        Adds <text> as a "dunno" to be used as a random response when no
        command or factoid key matches.  Can optionally contain '$who', which
        will be replaced by the user's name when the dunno is displayed.
        """
        # Must be registered to use this
        try:
            id = ircdb.users.getUserId(msg.prefix)
        except KeyError:
            irc.error(msg, conf.replyNotRegistered)
            return
        text = privmsgs.getArgs(args, needed=1)
        cursor = self.db.cursor()
        cursor.execute("""INSERT INTO dunnos
                          VALUES(NULL, %s, %s, %s)""",
                          id, int(time.time()), text)
        self.db.commit()
        irc.reply(msg, conf.replySuccess)

    def remove(self, irc, msg, args):
        """<id>

        Removes dunno with the given <id>.
        """
        # Must be registered to use this
        try:
            user_id = ircdb.users.getUserId(msg.prefix)
        except KeyError:
            irc.error(msg, conf.replyNotRegistered)
            return
        dunno_id = privmsgs.getArgs(args, needed=1)
        cursor = self.db.cursor()
        cursor.execute("""SELECT added_by, dunno
                          FROM dunnos
                          WHERE id = %s""" % dunno_id)
        if cursor.rowcount == 0:
            irc.error(msg, 'No dunno with id: %d' % dunno_id)
            return
        (added_by, dunno) = cursor.fetchone()
        if not (ircdb.checkCapability(user_id, 'admin') or \
                added_by == user_id):
            irc.error(msg, 'Only admins and the dunno creator may delete a '
                           'dunno.')
            return
        cursor.execute("""DELETE FROM dunnos WHERE id = %s""" % dunno_id)
        self.db.commit()
        irc.reply(msg, conf.replySuccess)

    def search(self, irc, msg, args):
        """<text>

        Search for dunno containing the given text.  Returns the ids of the
        dunnos with the text in them.
        """
        text = privmsgs.getArgs(args, needed=1)
        glob = "%" + text + "%"
        cursor = self.db.cursor()
        cursor.execute("""SELECT id FROM dunnos
                          WHERE dunno LIKE %s""", glob)
        if cursor.rowcount == 0:
            irc.error(msg, 'No dunnos with %r found.' % text)
            return
        ids = [str(t[0]) for t in cursor.fetchall()]
        s = 'Dunno search for %r (%d found): %s' % \
            (text, len(ids), utils.commaAndify(ids))
        irc.reply(msg, s)

    def get(self, irc, msg, args):
        """<id>

        Display the text of the dunno with the given id.
        """
        id = privmsgs.getArgs(args, needed=1)
        try:
            id = int(id)
        except ValueError:
            irc.error(msg, '%r is not a valid dunno id' % id)
            return
        cursor = self.db.cursor()
        cursor.execute("""SELECT dunno FROM dunnos WHERE id = %s""", id)
        if cursor.rowcount == 0:
            irc.error(msg, 'No dunno found with id #%d' % id)
            return
        dunno = cursor.fetchone()[0]
        irc.reply(msg, "Dunno #%d: %r" % (id, dunno))

Class = Dunno

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