summaryrefslogtreecommitdiff
path: root/src/roster.py
blob: ed9b58f4446bfbbbb3935caaa4f7181d34124578 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
# Copyright 2010-2011 Florent Le Coz <louiz@louiz.org>
#
# This file is part of Poezio.
#
# Poezio is free software: you can redistribute it and/or modify
# it under the terms of the MIT license. See the COPYING file.


"""
Defines the Roster and RosterGroup classes
"""
import logging
log = logging.getLogger(__name__)

from config import config
from os import path as p
from contact import Contact, Resource
from sleekxmpp.xmlstream.stanzabase import JID

class Roster(object):
    def __init__(self):
        self._contact_filter = None # A tuple(function, *args)
                                    # function to filter contacts,
                                    # on search, for example
        self._contacts = {}     # key = bare jid; value = Contact()
        self._roster_groups = []

    def export(self, path):
        if p.isfile(path):
            return
        try:
            f = open(path, 'w+')
            f.writelines([i + "\n" for i in self._contacts])
            f.close()
            return True
        except IOError:
            return

    def empty(self):
        self._contacts = {}
        self._roster_groups = []

    def add_contact(self, contact, jid):
        """
        Add a contact to the contact list
        """
        self._contacts[jid] = contact

    def remove_contact(self, jid):
        """
        Remove a contact from the contact list
        """
        contact = self.get_contact_by_jid(jid)
        for group in contact._groups:
            self.remove_contact_from_group(group, contact)
        del self._contacts[jid]

    def get_contact_len(self):
        """
        Return the number of contacts in this group
        """
        return len(self._contacts.keys())

    def get_contact_by_jid(self, jid):
        """
        Returns the contact with the given bare JID
        """
        # Use only the bare jid
        jid = JID(jid)
        if jid.bare in self._contacts:
            return self._contacts[jid.bare]
        return None

    def edit_groups_of_contact(self, contact, groups):
        """
        Edit the groups the contact is in
        Add or remove RosterGroup if needed
        """
        # add the contact to each group he is in
        # If the contact hasn't any group, we put her in
        # the virtual default 'none' group
        if not len(groups):
            groups = ['none']
        for group in groups:
            if group not in contact._groups:
                # create the group if it doesn't exist yet
                contact._groups.append(group)
            self.add_contact_to_group(group, contact)
        # remove the contact from each group he is not in
        for group in contact._groups:
            if group not in groups:
                # the contact is not in the group anymore
                self.remove_contact_from_group(group, contact)

    def remove_contact_from_group(self, group_name, contact):
        """
        Remove the contact from the group.
        Delete the group if this makes it empty
        """
        for group in self._roster_groups:
            if group.name == group_name:
                group.remove_contact(contact)
                if group.is_empty():
                    self._roster_groups.remove(group)
                return

    def add_contact_to_group(self, group_name, contact):
        """
        Add the contact to the group.
        Create the group if it doesn't already exist
        """
        for group in self._roster_groups:
            if group.name == group_name:
                if not group.has_contact(contact):
                    group.add_contact(contact)
                return
        folded_groups = config.get('folded_roster_groups', '', section='var').split(':')
        new_group = RosterGroup(group_name, folded=group_name in folded_groups)
        self._roster_groups.append(new_group)
        new_group.add_contact(contact)

    def get_groups(self):
        """
        Returns the list of groups
        """
        return self._roster_groups

    def get_contacts(self):
        """
        Return a list of all the contact
        """
        return [contact for contact in self._contacts.values()]

    def save_to_config_file(self):
        """
        Save various information to the config file
        e.g. the folded groups
        """
        folded_groups = ':'.join([group.name for group in self._roster_groups\
                                      if group.folded])
        log.debug('folded:%s\n' %folded_groups)
        config.set_and_save('folded_roster_groups', folded_groups, 'var')

    def get_nb_connected_contacts(self):
        """
        Return the number of contacts connected
        """
        length = 0
        for group in self._roster_groups:
            length += group.get_nb_connected_contacts()
        return length

    def __len__(self):
        """
        Return the number of line that would be printed
        for the whole roster
        """
        length = 0
        show_offline = config.get('roster_show_offline', 'false') == 'true'
        for group in self._roster_groups:
            if not show_offline and group.get_nb_connected_contacts() == 0:
                continue
            length += 1              # One for the group's line itself
            if not group.folded:
                for contact in group.get_contacts(self._contact_filter):
                    # We do not count the offline contacts (depending on config)
                    if not show_offline and\
                            contact.get_nb_resources() == 0:
                        continue
                    length += 1      # One for the contact's line
                    if not contact._folded:
                        # One for each resource, if the contact is unfolded
                        length += contact.get_nb_resources()
        return length

    def __repr__(self):
        ret = '== Roster:\nContacts:\n'
        for contact in self._contacts:
            ret += '%s\n' % (contact,)
        ret += 'Groups\n'
        for group in self._roster_groups:
            ret += '%s\n' % (group,)
        return ret + '\n'

PRESENCE_PRIORITY = {'unavailable': 0,
                     'xa': 1,
                     'away': 2,
                     'dnd': 3,
                     '': 4,
                     'available': 4}

class RosterGroup(object):
    """
    A RosterGroup is a group containing contacts
    It can be Friends/Family etc, but also can be
    Online/Offline or whatever
    """
    def __init__(self, name, folded=False):
        self._contacts = []
        self.name = name
        self.folded = folded    # if the group content is to be shown

    def is_empty(self):
        return len(self._contacts) == 0

    def has_contact(self, contact):
        """
        Return a bool, telling if the contact
        is already in the group
        """
        if contact in self._contacts:
            return True
        return False

    def remove_contact(self, contact):
        """
        Remove a Contact object from the list
        """
        try:
            self._contacts.remove(contact)
        except ValueError:
            pass

    def add_contact(self, contact):
        """
        append a Contact object to the list
        """
        assert isinstance(contact, Contact)
        assert contact not in self._contacts
        self._contacts.append(contact)

    def get_contacts(self, contact_filter):
        def compare_contact(a):
            if not a.get_highest_priority_resource():
                return 0
            show = a.get_highest_priority_resource().get_presence()
            if show not in PRESENCE_PRIORITY:
                return 5
            return PRESENCE_PRIORITY[show]
        contact_list = self._contacts if not contact_filter\
            else [contact for contact in self._contacts if contact_filter[0](contact, contact_filter[1])]
        return sorted(contact_list, key=compare_contact, reverse=True)

    def toggle_folded(self):
        self.folded = not self.folded

    def __repr__(self):
        return '<Roster_group: %s; %s>' % (self.name, self._contacts)

    def __len__(self):
        return len(self._contacts)

    def get_nb_connected_contacts(self):
        l = 0
        for contact in self._contacts:
            if contact.get_highest_priority_resource():
                l += 1
        return l

roster = Roster()