Limnoria/plugins/Note.py
2003-11-25 08:23:47 +00:00

256 lines
9.0 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.
"""
__revision__ = "$Id$"
import plugins
import time
import os.path
from itertools import imap
import sqlite
import conf
import debug
import utils
import ircdb
import ircmsgs
import plugins
import privmsgs
import ircutils
import callbacks
dbfilename = os.path.join(conf.dataDir, 'Notes.db')
class NoteDb(plugins.DBHandler):
def makeDb(self, filename):
"create Notes database and tables"
if os.path.exists(filename):
db = sqlite.connect(filename)
else:
db = sqlite.connect(filename, converters={'bool': bool})
cursor = db.cursor()
cursor.execute("""CREATE TABLE notes (
id INTEGER PRIMARY KEY,
from_id INTEGER,
to_id INTEGER,
added_at TIMESTAMP,
notified BOOLEAN,
read BOOLEAN,
public BOOLEAN,
note TEXT
)""")
db.commit()
return db
class Note(callbacks.Privmsg):
def __init__(self):
callbacks.Privmsg.__init__(self)
self.dbHandler = NoteDb(name=os.path.join(conf.dataDir, 'Notes'))
def setAsRead(self, id):
db = self.dbHandler.getDb()
cursor = db.cursor()
cursor.execute("""UPDATE notes
SET read=1, notified=1
WHERE id=%s""", id)
db.commit()
def die(self):
db = self.dbHandler.getDb()
db.commit()
db.close()
del db
def doPrivmsg(self, irc, msg):
try:
id = ircdb.users.getUserId(msg.prefix)
except KeyError:
return
db = self.dbHandler.getDb()
cursor = db.cursor()
cursor.execute("""SELECT COUNT(*) FROM notes
WHERE notes.to_id=%s AND notified=0""", id)
unnotified = int(cursor.fetchone()[0])
if unnotified != 0:
cursor.execute("""SELECT COUNT(*) FROM notes
WHERE notes.to_id=%s AND read=0""", id)
unread = int(cursor.fetchone()[0])
s = 'You have %s; ' \
'%s that I haven\'t told you about before now..' % \
(utils.nItems(unread, 'note', 'unread'), unnotified)
irc.queueMsg(ircmsgs.privmsg(msg.nick, s))
cursor.execute("""UPDATE notes SET notified=1
WHERE notes.to_id=%s""", id)
db.commit()
def send(self, irc, msg, args):
"""<recipient> <text>
Sends a new note to the user specified.
"""
(name, note) = privmsgs.getArgs(args, required=2)
if ircdb.users.hasUser(name):
toId = ircdb.users.getUserId(name)
else:
# name must be a nick, we'll try that.
try:
hostmask = irc.state.nickToHostmask(name)
toId = ircdb.users.getUserId(hostmask)
except KeyError:
irc.error(msg, conf.replyNoUser)
return
try:
fromId = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
if ircutils.isChannel(msg.args[0]):
public = 1
else:
public = 0
db = self.dbHandler.getDb()
cursor = db.cursor()
now = int(time.time())
cursor.execute("""INSERT INTO notes VALUES
(NULL, %s, %s, %s, 0, 0, %s, %s)""",
fromId, toId, now, public, note)
db.commit()
cursor.execute("""SELECT id FROM notes WHERE
from_id=%s AND to_id=%s AND added_at=%s""",
fromId, toId, now)
id = cursor.fetchone()[0]
irc.reply(msg, 'Note #%s sent to %s.' % (id, name))
def get(self, irc, msg, args):
"""<note id>
Retrieves a single note by its unique note id.
"""
noteid = privmsgs.getArgs(args)
try:
id = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
db = self.dbHandler.getDb()
cursor = db.cursor()
cursor.execute("""SELECT note, to_id, from_id, added_at, public
FROM notes
WHERE (to_id=%s OR from_id=%s) AND id=%s""",
id, id, noteid)
if cursor.rowcount == 0:
s = 'You may only retrieve notes you\'ve sent or received.'
irc.error(msg, s)
return
(note, toId, fromId, addedAt, public) = cursor.fetchone()
(toId,fromId,addedAt,public) = imap(int, (toId,fromId,addedAt,public))
elapsed = utils.timeElapsed(time.time() - addedAt)
if toId == id:
author = ircdb.users.getUser(fromId).name
newnote = '%s (Sent by %s %s ago)' % (note, author, elapsed)
elif fromId == id:
recipient = ircdb.users.getUser(toId).name
newnote = '%s (Sent to %s %s ago)' % (note, recipient, elapsed)
irc.reply(msg, newnote, private=(not public))
self.setAsRead(noteid)
def _formatNoteData(self, msg, id, fromId, public):
(id, fromId, public) = imap(int, (id, fromId, public))
if public or not ircutils.isChannel(msg.args[0]):
sender = ircdb.users.getUser(fromId).name
return '#%s from %s' % (id, sender)
else:
return '#%s (private)' % id
def list(self, irc, msg, args):
"""[--old]
Retrieves the ids of all your unread notes. If --old is given, list
read notes.
"""
if '--old' in args:
while '--old' in args:
args.remove('--old')
return self._oldnotes(irc, msg, args)
try:
id = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
db = self.dbHandler.getDb()
cursor = db.cursor()
cursor.execute("""SELECT id, from_id, public
FROM notes
WHERE notes.to_id=%s AND notes.read=0""", id)
count = cursor.rowcount
L = []
if count == 0:
irc.reply(msg, 'You have no unread notes.')
else:
L = [self._formatNoteData(msg, *t) for t in cursor.fetchall()]
irc.reply(msg, utils.commaAndify(L))
def _oldnotes(self, irc, msg, args):
"""takes no arguments
Returns a list of your most recent old notes.
"""
try:
id = ircdb.users.getUserId(msg.prefix)
except KeyError:
irc.error(msg, conf.replyNotRegistered)
return
db = self.dbHandler.getDb()
cursor = db.cursor()
cursor.execute("""SELECT id, from_id, public
FROM notes
WHERE notes.to_id=%s AND notes.read=1""", id)
if cursor.rowcount == 0:
irc.reply(msg, 'I couldn\'t find any read notes for your user.')
else:
ids = [self._formatNoteData(msg, *t) for t in cursor.fetchall()]
ids.reverse()
irc.reply(msg, utils.commaAndify(ids))
Class = Note
# vim: shiftwidth=4 tabstop=8 expandtab textwidth=78: