#!/usr/bin/env python
# -*- coding: utf-8 -*-
#    TOMUSS: The Online Multi User Simple Spreadsheet)
#    Copyright (C) 2009-2013 Thierry EXCOFFIER, Universite Claude Bernard
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#    Contact: Thierry.EXCOFFIER@bat710.univ-lyon1.fr

import glob
import os
from .. import plugin
from .. import document
from .. import configuration
from .. import utilities

def master_of(server):
    """Update the preferences to add the list of UE where the user is master.
    This function is only used in case of bug in the algorithm updating
    the master list incrementaly"""

    users = {}
    f = glob.glob(os.path.join(configuration.db,'Y[0-9]*','S*','*.py'))
    for filename in f:
        filename = filename.split(os.path.sep)
        year, semester, ue = filename[-3:]
        if ue == '__init__.py':
            continue
        year = year[1:]
        semester = semester[1:]
        ue = ue[:-3]
        if semester in configuration.master_of_exceptions:
            continue
        try:
            table = document.table(year, semester, ue, None, None)
        except:
            print 'Problem with: ', year, semester, ue
            continue
        for user in table.masters:
            if user not in users:
                users[user] = []
            users[user].append((year, semester, ue))
        table.unload()
        server.the_file.write('%s: %s<br>' % (table.filename, table.masters))
        
    for user, tables in users.items():
        utilities.manage_key('LOGINS',
                             os.path.join(user, 'master_of'),
                             content = repr(tables)
                             )

plugin.Plugin('master_of', '/master_of',
              function=master_of,
              group='roots',
              launch_thread = True,
              link=plugin.Link(html_class="veryunsafe", where='root_rw',
                               priority=100),
              )