users groups model for RhodeCode

    :created_on: Jan 25, 2011

    :author: marcink

    :copyright: (C) 2011-2012 Marcin Kuzminski <marcin@python-works.com>

    :license: GPLv3, see COPYING for more details.

"""

# 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 3 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, see <http://www.gnu.org/licenses/>.

import os

import logging

import traceback

import shutil

from rhodecode.lib.utils2 import LazyProperty

from rhodecode.model import BaseModel

from rhodecode.model.db import RepoGroup, RhodeCodeUi, UserRepoGroupToPerm, \

    User, Permission, UsersGroupRepoGroupToPerm, UsersGroup, Repository

log = logging.getLogger(__name__)

class ReposGroupModel(BaseModel):

    cls = RepoGroup

    def __get_users_group(self, users_group):

        return self._get_instance(UsersGroup, users_group,

                                  callback=UsersGroup.get_by_group_name)

    def _get_repos_group(self, repos_group):

        return self._get_instance(RepoGroup, repos_group,

                                  callback=RepoGroup.get_by_group_name)

    @LazyProperty

    def repos_path(self):

        log.debug('renaming repos group from %s to %s' % (old, new))

        old_path = os.path.join(self.repos_path, old)

        new_path = os.path.join(self.repos_path, new)

        log.debug('renaming repos paths from %s to %s' % (old_path, new_path))

        if os.path.isdir(new_path):

            raise Exception('Was trying to rename to already '

                            'existing dir %s' % new_path)

        shutil.move(old_path, new_path)

    def __delete_group(self, group, force_delete=False):

        """

        Deletes a group from a filesystem

        :param group: instance of group from database

        :param force_delete: use shutil rmtree to remove all objects

        """

        paths = group.full_path.split(RepoGroup.url_sep())

        paths = os.sep.join(paths)

        rm_path = os.path.join(self.repos_path, paths)

        if os.path.isdir(rm_path):

            if force_delete:

                shutil.rmtree(rm_path)

            else:

    def create(self, group_name, group_description, parent=None, just_db=False):

        try:

            new_repos_group = RepoGroup()

            new_repos_group.group_description = group_description

            new_repos_group.parent_group = self._get_repos_group(parent)

            new_repos_group.group_name = new_repos_group.get_new_name(group_name)

            self.sa.add(new_repos_group)

            self._create_default_perms(new_repos_group)

            if not just_db:

                # we need to flush here, in order to check if database won't

                # throw any exceptions, create filesystem dirs at the very end

                self.sa.flush()

                self.__create_group(new_repos_group.group_name)

            return new_repos_group

        except:

            log.error(traceback.format_exc())

            raise

    def _update_permissions(self, repos_group, perms_new=None,

                            perms_updates=None, recursive=False):

        ${self.breadcrumbs()}

        <ul class="links">

          <li>

            <span>${h.link_to(_(u'ADD NEW GROUP'),h.url('new_repos_group'))}</span>

          </li>

        </ul>

    </div>

    <!-- end box / title -->

    <div class="table">

           % if c.groups:

            <table class="table_disp">

                <thead>

                    <tr>

                        <th class="left"><a href="#">${_('Group name')}</a></th>

                        <th class="left"><a href="#">${_('Description')}</a></th>

                        <th class="left"><a href="#">${_('Number of toplevel repositories')}</a></th>

                        <th class="left">${_('action')}</th>

                    </tr>

                </thead>

                ## REPO GROUPS

                % for gr in c.groups:

                  <tr>

                      <td>

                          <div style="white-space: nowrap">

                          <img class="icon" alt="${_('Repositories group')}" src="${h.url('/images/icons/database_link.png')}"/>

                          ${h.link_to(h.literal(' » '.join(map(h.safe_unicode,[g.name for g in gr.parents+[gr]]))),url('edit_repos_group',id=gr.group_id))}

                          </div>

                      </td>

                      <td>${gr.group_description}</td>

		               <td>

		                 ${h.form(url('repos_group', id=gr.group_id),method='delete')}

		                 ${h.end_form()}

		               </td>

                  </tr>

                % endfor

            </table>

            % else:

                ${_('There are no repositories groups yet')}

            % endif

    </div>

</div>

</%def>