Limnoria/plugins/Notes.py
2003-04-14 04:49:35 +00:00

231 lines
8.3 KiB
Python

#!/usr/bin/env python
###
# Copyright (c) 2003, Brett Kelly
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * 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
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
"""
A complete messaging system that allows users to leave 'notes' for other
users that can be retrieved later.
Commands include:
sendnote
note
notes
"""
from baseplugin import *
import time
import string
import os.path
import sqlite
import conf
import debug
import utils
import ircdb
import ircmsgs
import privmsgs
import callbacks
import ircutils
dbfilename = os.path.join(conf.dataDir, 'Notes.db')
class Notes(callbacks.Privmsg):
def __init__(self):
callbacks.Privmsg.__init__(self)
self.makeDB(dbfilename)
def makeDB(self, filename):
"create Notes database and tables"
if os.path.exists(filename):
self.db = sqlite.connect(filename)
self.cursor = self.db.cursor()
return
self.db = sqlite.connect(filename, converters={'bool': bool})
self.cursor = self.db.cursor()
self.cursor.execute("""CREATE TABLE users (
id INTEGER PRIMARY KEY,
name TEXT UNIQUE ON CONFLICT IGNORE
)""")
self.cursor.execute("""CREATE TABLE notes (
id INTEGER PRIMARY KEY,
from_id INTEGER,
to_id INTEGER,
added_at TIMESTAMP,
read BOOLEAN,
public BOOLEAN,
note TEXT
)""")
self.cursor.execute("""CREATE INDEX users_username ON users (name)""")
self.db.commit()
def _addUser(self, username):
"Not callable from channel, used to add users to database."
self.cursor.execute('INSERT INTO users VALUES (NULL, %s)', username)
self.db.commit()
def getUserID(self, username):
"Returns the user id matching the given username from the users table."
self.cursor.execute('SELECT id FROM users where name=%s', username)
if self.cursor.rowcount != 0:
return self.cursor.fetchone()[0]
else:
raise KeyError, username
def getUserName(self, userid):
"Returns the username matching the given user id from the users table."
self.cursor.execute('SELECT name FROM users WHERE id=%s', userid)
if self.cursor.rowcount != 0:
return self.cursor.fetchone()[0]
else:
raise KeyError, userid
def isValidNote(self, noteid):
"Checks to see if a note id represents a valid note in the table."
self.cursor.execute('SELECT * FROM notes WHERE id=%s', noteid)
if self.cursor.rowcount == 0:
return False
else:
return True
def makePrivate(self, msg):
"Returns an IrcMsg object with an updated target value."
return ircmsgs.privmsg(msg.nick, msg.args[1])
def setAsRead(self, noteid):
"Changes a message's 'read' value to true in the notes table."
self.cursor.execute('UPDATE notes SET read=1 WHERE id=%s', noteid)
self.db.commit()
def die(self):
"Called when module is unloaded/reloaded."
self.db.close()
def sendnote(self, irc, msg, args):
"""<recipient> <text>
Sends a new note to the user specified.
"""
(name, note) = privmsgs.getArgs(args, needed=2)
sender = msg.nick
if ircdb.users.hasUser(name):
recipient = name
else:
n = irc.state.nickToHostmask(name)
recipient = ircdb.users.getUserName(n)
self._addUser(sender)
self._addUser(recipient)
senderID = self.getUserID(sender)
recipID = self.getUserID(recipient)
if ircutils.isChannel(msg.args[0]):
public = 1
else:
public = 0
self.cursor.execute("""INSERT INTO notes VALUES
(NULL, %s, %s, %s, %s, %s, %s)""",
senderID, recipID, int(time.time()),
0, public, note)
self.db.commit()
irc.reply(msg, conf.replySuccess)
def note(self, irc, msg, args):
"""<note id>
Retrieves a single note by unique note id.
"""
noteid = privmsgs.getArgs(args)
if not self.isValidNote(noteid):
irc.error(msg, 'Not a valid note id')
return
sender = ircdb.users.getUserName(msg.prefix)
senderID = self.getUserID(sender)
self.cursor.execute("""SELECT note, to_id, from_id, added_at, public
FROM notes WHERE id=%s LIMIT 1""", noteid)
note, to_id, from_id, added_at, public = self.cursor.fetchone()
author = self.getUserName(from_id)
public = int(public)
added_at = int(added_at)
elapsed = utils.timeElapsed(time.time(), added_at)
newnote = "%s (Sent by %s %s ago)" % (note, author, elapsed)
if senderID == to_id:
if public:
irc.reply(msg, newnote)
else:
msg = self.makePrivate(msg)
irc.reply(msg, newnote)
#debug.printf("setting note to read=true")
self.setAsRead(noteid)
else:
irc.error(msg, 'You are not the recipient of note %s' % noteid)
def notes(self, irc, msg, args):
"""<takes no arguments>
Retrieves all unread notes for the requesting user.
"""
try:
sender = ircdb.users.getUserName(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNoUser)
return
senderID = self.getUserID(sender)
self.cursor.execute("""SELECT id, from_id, public, read FROM notes
WHERE to_id=%s
AND read=0""", senderID)
notes = self.cursor.fetchall()
self.cursor.execute("""SELECT count(*) FROM notes
WHERE to_id=%s
AND read=0""", senderID)
count = int(self.cursor.fetchone()[0])
#debug.printf("count: %s" % count)
L = []
for (id, from_id, public, read) in notes:
if not int(read):
sender = self.getUserName(from_id)
if int(public):
L.append(r'#%s from %s' % (id, sender))
else:
L.append(r'#%s (private)' % id)
if count > 5:
L = string.join(L[:5], ', ')
reply = "you have %s unread notes, 5 shown: %s" % (count, L)
else:
L = string.join(L, ', ')
reply = "you have %s unread notes: %s" % (count, L)
#debug.printf(L)
irc.reply(msg, reply)
Class = Notes
# vim: shiftwidth=4 tabstop=8 expandtab textwidth=78: