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# This file is part of Gajim.
#
# Gajim 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; version 3 only.
#
# Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
from typing import cast
from typing import NamedTuple
from typing import Optional
import logging
from enum import IntEnum
from gi.repository import Gtk
from nbxmpp.errors import StanzaError
from nbxmpp.structs import AffiliationResult
from nbxmpp.task import Task
from gajim.common.client import Client
from gajim.common.i18n import _
from gajim.common.modules.contacts import GroupchatContact
from gajim.gtk.apply_button_box import ApplyButtonBox
from gajim.gtk.builder import get_builder
from gajim.gtk.dialogs import ErrorDialog
log = logging.getLogger('gajim.gtk.groupchat_affiliation')
class AffiliationRow(NamedTuple):
jid: str
nick: Optional[str]
affiliation: str
class Column(IntEnum):
JID = 0
NICK = 1
AFFILIATION = 2
AFFILIATION_TEXT = 3
class GroupchatAffiliation(Gtk.Box):
def __init__(self, client: Client, contact: GroupchatContact) -> None:
Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL)
self._client = client
self._contact = contact
self._current_rows: set[AffiliationRow] = set()
self_contact = contact.get_self()
assert self_contact is not None
self._own_affiliation = self_contact.affiliation.value
self._ui = get_builder('groupchat_affiliation.ui')
self._treeview = self._ui.affiliation_treeview
self._store = self._ui.affiliation_store
self.add(self._ui.main_box)
self._apply_button = ApplyButtonBox(_('Apply'),
on_clicked=self._on_apply)
self._ui.button_box.pack_end(self._apply_button, False, False, 0)
if self._own_affiliation in ('admin', 'owner'):
self._ui.add_button.set_sensitive(True)
self._ui.add_button.set_tooltip_text('')
self._ui.connect_signals(self)
for affiliation in ('owner', 'admin', 'member'):
self._client.get_module('MUC').get_affiliation(
self._contact.jid,
affiliation,
callback=self._on_affiliations_received,
user_data=affiliation)
def _on_apply(self, _button: Gtk.Button) -> None:
self._begin_progress()
self._set_affiliations()
def _begin_progress(self) -> None:
self._ui.affiliation_scrolled.set_sensitive(False)
self._ui.add_remove_button_box.set_sensitive(False)
def _end_progress(self) -> None:
self._ui.affiliation_scrolled.set_sensitive(True)
self._ui.add_remove_button_box.set_sensitive(True)
def _on_add(self, _button: Gtk.Button) -> None:
affiliation_edit, jid_edit = self._allowed_to_edit('member')
iter_ = self._store.append([None,
None,
'member',
_('Member'),
affiliation_edit,
jid_edit])
path = self._store.get_path(iter_)
self._treeview.scroll_to_cell(path, None, False, 0, 0)
self._treeview.get_selection().unselect_all()
self._treeview.get_selection().select_path(path)
self._update_apply_button_state()
def _on_remove(self, _button: Gtk.Button) -> None:
_model, paths = self._treeview.get_selection().get_selected_rows()
owner_count = len([row for row in self._store
if row[Column.AFFILIATION] == 'owner'])
references: list[Gtk.TreeRowReference] = []
for path in paths:
if self._store[path][Column.AFFILIATION] == 'owner':
if owner_count < 2:
# There must be at least one owner
ErrorDialog(_('Error'),
_('A Group Chat needs at least one Owner'))
return
owner_count -= 1
references.append(Gtk.TreeRowReference.new(self._store, path))
for ref in references:
path = ref.get_path()
assert path is not None
iter_ = self._store.get_iter(path)
self._store.remove(iter_)
self._update_apply_button_state()
def _on_jid_edited(self,
_renderer: Gtk.CellRendererText,
path: str,
new_text: str) -> None:
old_text = self._store[path][Column.JID]
if new_text == old_text:
return
if self._jid_exists(new_text):
self._raise_error()
return
self._store[path][Column.JID] = new_text
self._update_apply_button_state()
def _on_nick_edited(self,
_renderer: Gtk.CellRendererText,
path: str,
new_text: str) -> None:
self._store[path][Column.NICK] = new_text or None
self._update_apply_button_state()
def _on_affiliation_changed(self,
cell_renderer_combo: Gtk.CellRendererCombo,
path_string: str,
new_iter: Gtk.TreeIter) -> None:
combo_store = cell_renderer_combo.get_property('model')
affiliation_text = combo_store.get_value(new_iter, 0)
affiliation = combo_store.get_value(new_iter, 1)
self._store[path_string][Column.AFFILIATION] = affiliation
self._store[path_string][Column.AFFILIATION_TEXT] = affiliation_text
self._update_apply_button_state()
def _on_selection_changed(self, tree_selection: Gtk.TreeSelection) -> None:
sensitive = bool(tree_selection.count_selected_rows())
selected_affiliations = self._get_selected_affiliations(tree_selection)
self._set_remove_button_state(sensitive, selected_affiliations)
def _jid_exists(self, jid: str) -> bool:
return any(row[Column.JID] == jid for row in self._store)
@staticmethod
def _get_selected_affiliations(tree_selection: Gtk.TreeSelection
) -> set[str]:
model, paths = tree_selection.get_selected_rows()
selected_affiliations: set[str] = set()
for path in paths:
selected_affiliations.add(model[path][Column.AFFILIATION])
return selected_affiliations
def _set_remove_button_state(self,
sensitive: bool,
selected_affiliations: set[str]) -> None:
if self._own_affiliation not in ('admin', 'owner'):
self._ui.remove_button.set_sensitive(False)
return
self._ui.remove_button.set_tooltip_text('')
if not sensitive:
self._ui.remove_button.set_sensitive(False)
return
if self._own_affiliation == 'owner':
self._ui.remove_button.set_sensitive(True)
return
if {'owner', 'admin'}.intersection(selected_affiliations):
self._ui.remove_button.set_sensitive(False)
self._ui.remove_button.set_tooltip_text(
_('You are not allowed to modify the affiliation '
'of Admins and Owners'))
return
self._ui.remove_button.set_sensitive(True)
def _update_apply_button_state(self):
if self._own_affiliation not in ('admin', 'owner'):
return
new_rows = self._get_new_rows()
self._apply_button.set_button_state(new_rows != self._current_rows)
def _allowed_to_edit(self, affiliation: str) -> tuple[bool, bool]:
if self._own_affiliation == 'owner':
return True, True
if self._own_affiliation == 'admin':
if affiliation in ('admin', 'owner'):
return False, False
return False, True
return False, False
def _get_new_rows(self) -> set[AffiliationRow]:
rows: set[AffiliationRow] = set()
for row in self._store:
if not row[Column.JID]:
continue
rows.add(AffiliationRow(jid=row[Column.JID],
nick=row[Column.NICK],
affiliation=row[Column.AFFILIATION]))
return rows
def _get_diff(self) -> list[AffiliationRow]:
new_rows = self._get_new_rows()
before = {row.jid for row in self._current_rows}
after = {row.jid for row in new_rows}
removed = before - after
removed_rows = [row for row in self._current_rows if row.jid in removed]
removed_rows = [row._replace(affiliation='none')
for row in removed_rows]
added = after - before
added_rows = [row for row in new_rows if row.jid in added]
same = after - removed - added
same_rows = {row for row in new_rows if row.jid in same}
modified_rows = list(same_rows - self._current_rows)
return removed_rows + added_rows + modified_rows
def _set_affiliations(self) -> None:
diff_rows = self._get_diff()
affiliations = {}
for row in diff_rows:
affiliations[row.jid] = {'affiliation': row.affiliation}
if row.nick:
affiliations[row.jid]['nick'] = row.nick
self._client.get_module('MUC').set_affiliation(
self._contact.jid,
affiliations,
callback=self._on_affiliation_finished)
def _on_affiliation_finished(self, task: Task) -> None:
try:
task.finish()
except StanzaError as error:
log.info('Error while setting affiliations: %s', error)
self._end_progress()
self._apply_button.set_error(str(error))
return
self._current_rows = self._get_new_rows()
self._end_progress()
self._apply_button.set_success()
def _on_affiliations_received(self, task: Task) -> None:
affiliation = task.get_user_data()
try:
result = cast(AffiliationResult, task.finish())
except StanzaError as error:
log.info('Error while requesting %s affiliations: %s',
affiliation, error.condition)
return
for jid, attrs in result.users.items():
affiliation_edit, jid_edit = self._allowed_to_edit(affiliation)
nick = attrs.get('nick')
jid = str(jid)
self._store.append([jid,
nick,
affiliation,
_(affiliation.capitalize()),
affiliation_edit,
jid_edit])
self._current_rows.add(AffiliationRow(jid=jid,
nick=nick,
affiliation=affiliation))
@staticmethod
def _raise_error() -> None:
ErrorDialog(_('Error'),
_('An entry with this XMPP Address already exists'))
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