# -*- coding: utf-8 -*-

# 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/>.

"""

kallithea.controllers.admin.my_account

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

my account controller for Kallithea admin

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: August 20, 2013

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

import formencode

from sqlalchemy import func

from formencode import htmlfill

from pylons import request, tmpl_context as c, url

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

from kallithea import EXTERN_TYPE_INTERNAL

from kallithea.lib import helpers as h

from kallithea.lib import auth_modules

from kallithea.lib.auth import LoginRequired, NotAnonymous, AuthUser

from kallithea.lib.base import BaseController, render

from kallithea.lib.utils2 import generate_api_key, safe_int

from kallithea.lib.compat import json

from kallithea.model.forms import UserForm, PasswordChangeForm

from kallithea.model.user import UserModel

from kallithea.model.repo import RepoModel

from kallithea.model.api_key import ApiKeyModel

from kallithea.model.meta import Session

log = logging.getLogger(__name__)

class MyAccountController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    # To properly map this controller, ensure your config/routing.py

    # file has a resource setup:

    #     map.resource('setting', 'settings', controller='admin/settings',

    #         path_prefix='/admin', name_prefix='admin_')

    @LoginRequired()

    @NotAnonymous()

    def __before__(self):

        super(MyAccountController, self).__before__()

    def __load_data(self):

        c.user = User.get(self.authuser.user_id)

        if c.user.username == User.DEFAULT_USER:

            h.flash(_("You can't edit this user since it's"

                      " crucial for entire application"), category='warning')

            return redirect(url('users'))

        c.EXTERN_TYPE_INTERNAL = EXTERN_TYPE_INTERNAL

    def _load_my_repos_data(self, watched=False):

        if watched:

            admin = False

            repos_list = [x.follows_repository for x in

                          Session().query(UserFollowing).filter(

                              UserFollowing.user_id ==

                              self.authuser.user_id).all()]

        else:

            admin = True

            repos_list = Session().query(Repository)\

                         .filter(Repository.user_id ==

                                 self.authuser.user_id)\

                         .order_by(func.lower(Repository.repo_name)).all()

        repos_data = RepoModel().get_repos_as_dict(repos_list=repos_list,

                                                   admin=admin)

        #json used to render the grid

        return json.dumps(repos_data)

    def my_account(self):

        """

        GET /_admin/my_account Displays info about my account

        """

        # url('my_account')

        c.active = 'profile'

        self.__load_data()

        c.perm_user = AuthUser(user_id=self.authuser.user_id)

        c.ip_addr = self.ip_addr

        managed_fields = auth_modules.get_managed_fields(c.user)

        def_user_perms = User.get_default_user().AuthUser.permissions['global']

        if 'hg.register.none' in def_user_perms:

            managed_fields.extend(['username', 'firstname', 'lastname', 'email'])

        c.readonly = lambda n: 'readonly' if n in managed_fields else None

        defaults = c.user.get_dict()

        update = False

        if request.POST:

            _form = UserForm(edit=True,

                             old_data={'user_id': self.authuser.user_id,

                                       'email': self.authuser.email})()

            form_result = {}

            try:

                post_data = dict(request.POST)

                post_data['new_password'] = ''

                post_data['password_confirmation'] = ''

                form_result = _form.to_python(post_data)

                # skip updating those attrs for my account

                skip_attrs = ['admin', 'active', 'extern_type', 'extern_name',

                              'new_password', 'password_confirmation',

                             ] + managed_fields

                UserModel().update(self.authuser.user_id, form_result,

                                   skip_attrs=skip_attrs)

                h.flash(_('Your account was updated successfully'),

                        category='success')

                Session().commit()

                update = True

            except formencode.Invalid as errors:

                return htmlfill.render(

                    render('admin/my_account/my_account.html'),

                    defaults=errors.value,

                    errors=errors.error_dict or {},

                    prefix_error=False,

                    encoding="UTF-8",

                    force_defaults=False)

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during update of user %s') \

                        % form_result.get('username'), category='error')

        if update:

            return redirect('my_account')

        return htmlfill.render(

            render('admin/my_account/my_account.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False)

    def my_account_password(self):

        c.active = 'password'

        self.__load_data()

        managed_fields = auth_modules.get_managed_fields(c.user)

        c.can_change_password = 'password' not in managed_fields

        if request.POST and c.can_change_password:

            _form = PasswordChangeForm(self.authuser.username)()

            try:

                form_result = _form.to_python(request.POST)

                UserModel().update(self.authuser.user_id, form_result)

                Session().commit()

                h.flash(_("Successfully updated password"), category='success')

            except formencode.Invalid as errors:

                return htmlfill.render(

                    render('admin/my_account/my_account.html'),

                    defaults=errors.value,

                    errors=errors.error_dict or {},

                    prefix_error=False,

                    encoding="UTF-8",

                    force_defaults=False)

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during update of user password'),

                        category='error')

        return render('admin/my_account/my_account.html')

    def my_account_repos(self):

        c.active = 'repos'

        self.__load_data()

        #json used to render the grid

        c.data = self._load_my_repos_data()

        return render('admin/my_account/my_account.html')

    def my_account_watched(self):

        c.active = 'watched'

        self.__load_data()

        #json used to render the grid

        c.data = self._load_my_repos_data(watched=True)

        return render('admin/my_account/my_account.html')

    def my_account_perms(self):

        c.active = 'perms'

        self.__load_data()

        c.perm_user = AuthUser(user_id=self.authuser.user_id)

        c.ip_addr = self.ip_addr

        return render('admin/my_account/my_account.html')

    def my_account_emails(self):

        c.active = 'emails'

        self.__load_data()

        c.user_email_map = UserEmailMap.query()\

            .filter(UserEmailMap.user == c.user).all()

        return render('admin/my_account/my_account.html')

    def my_account_emails_add(self):

        email = request.POST.get('new_email')

        try:

            UserModel().add_extra_email(self.authuser.user_id, email)

            Session().commit()

            h.flash(_("Added email %s to user") % email, category='success')

        except formencode.Invalid as error:

            msg = error.error_dict['email']

            h.flash(msg, category='error')

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('An error occurred during email saving'),

                    category='error')

        return redirect(url('my_account_emails'))

    def my_account_emails_delete(self):

        email_id = request.POST.get('del_email_id')

        user_model = UserModel()

        user_model.delete_extra_email(self.authuser.user_id, email_id)

        Session().commit()

        h.flash(_("Removed email from user"), category='success')

        return redirect(url('my_account_emails'))

    def my_account_api_keys(self):

        c.active = 'api_keys'

        self.__load_data()

        show_expired = True

        c.lifetime_values = [

            (str(-1), _('Forever')),

            (str(5), _('5 minutes')),

            (str(60), _('1 hour')),

            (str(60 * 24), _('1 day')),

            (str(60 * 24 * 30), _('1 month')),

        ]

        c.lifetime_options = [(c.lifetime_values, _("Lifetime"))]

        c.user_api_keys = ApiKeyModel().get_api_keys(self.authuser.user_id,

                                                     show_expired=show_expired)

        return render('admin/my_account/my_account.html')

    def my_account_api_keys_add(self):

        lifetime = safe_int(request.POST.get('lifetime'), -1)

        description = request.POST.get('description')

        ApiKeyModel().create(self.authuser.user_id, description, lifetime)

        Session().commit()

        h.flash(_("API key successfully created"), category='success')

        return redirect(url('my_account_api_keys'))

    def my_account_api_keys_delete(self):

        api_key = request.POST.get('del_api_key')

        user_id = self.authuser.user_id

        if request.POST.get('del_api_key_builtin'):

            user = User.get(user_id)

            if user is not None:

                user.api_key = generate_api_key()

                Session().add(user)

                Session().commit()

                h.flash(_("API key successfully reset"), category='success')

        elif api_key:

            ApiKeyModel().delete(api_key, self.authuser.user_id)

            Session().commit()

            h.flash(_("API key successfully deleted"), category='success')

        return redirect(url('my_account_api_keys'))

# -*- coding: utf-8 -*-

# 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/>.

"""

kallithea.controllers.admin.permissions

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

permissions controller for Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Apr 27, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

import formencode

from formencode import htmlfill

from pylons import request, tmpl_context as c, url

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

from kallithea.lib import helpers as h

from kallithea.lib.base import BaseController, render

from kallithea.model.forms import DefaultPermissionsForm

from kallithea.model.permission import PermissionModel

from kallithea.model.db import User, UserIpMap

from kallithea.model.meta import Session

log = logging.getLogger(__name__)

class PermissionsController(BaseController):

    """REST Controller styled on the Atom Publishing Protocol"""

    # To properly map this controller, ensure your config/routing.py

    # file has a resource setup:

    #     map.resource('permission', 'permissions')

    @LoginRequired()

    @HasPermissionAllDecorator('hg.admin')

    def __before__(self):

        super(PermissionsController, self).__before__()

    def __load_data(self):

        c.repo_perms_choices = [('repository.none', _('None'),),

                                   ('repository.read', _('Read'),),

                                   ('repository.write', _('Write'),),

                                   ('repository.admin', _('Admin'),)]

        c.group_perms_choices = [('group.none', _('None'),),

                                 ('group.read', _('Read'),),

                                 ('group.write', _('Write'),),

                                 ('group.admin', _('Admin'),)]

        c.user_group_perms_choices = [('usergroup.none', _('None'),),

                                      ('usergroup.read', _('Read'),),

                                      ('usergroup.write', _('Write'),),

                                      ('usergroup.admin', _('Admin'),)]

        c.register_choices = [

            ('hg.register.none',

                _('Disabled')),

            ('hg.register.manual_activate',

                _('Allowed with manual account activation')),

            ('hg.register.auto_activate',

                _('Allowed with automatic account activation')), ]

        c.extern_activate_choices = [

            ('hg.extern_activate.manual', _('Manual activation of external account')),

            ('hg.extern_activate.auto', _('Automatic activation of external account')),

        ]

        c.repo_create_choices = [('hg.create.none', _('Disabled')),

                                 ('hg.create.repository', _('Enabled'))]

        c.repo_create_on_write_choices = [

            ('hg.create.write_on_repogroup.true', _('Enabled')),

            ('hg.create.write_on_repogroup.false', _('Disabled')),

        ]

        c.user_group_create_choices = [('hg.usergroup.create.false', _('Disabled')),

                                       ('hg.usergroup.create.true', _('Enabled'))]

        c.repo_group_create_choices = [('hg.repogroup.create.false', _('Disabled')),

                                       ('hg.repogroup.create.true', _('Enabled'))]

        c.fork_choices = [('hg.fork.none', _('Disabled')),

                          ('hg.fork.repository', _('Enabled'))]

    def permission_globals(self):

        c.active = 'globals'

        self.__load_data()

        if request.POST:

            _form = DefaultPermissionsForm(

                [x[0] for x in c.repo_perms_choices],

                [x[0] for x in c.group_perms_choices],

                [x[0] for x in c.user_group_perms_choices],

                [x[0] for x in c.repo_create_choices],

                [x[0] for x in c.repo_create_on_write_choices],

                [x[0] for x in c.repo_group_create_choices],

                [x[0] for x in c.user_group_create_choices],

                [x[0] for x in c.fork_choices],

                [x[0] for x in c.register_choices],

                [x[0] for x in c.extern_activate_choices])()

            try:

                form_result = _form.to_python(dict(request.POST))

                form_result.update({'perm_user_name': 'default'})

                PermissionModel().update(form_result)

                Session().commit()

                h.flash(_('Global permissions updated successfully'),

                        category='success')

            except formencode.Invalid as errors:

                defaults = errors.value

                return htmlfill.render(

                    render('admin/permissions/permissions.html'),

                    defaults=defaults,

                    errors=errors.error_dict or {},

                    prefix_error=False,

                    encoding="UTF-8",

                    force_defaults=False)

            except Exception:

                log.error(traceback.format_exc())

                h.flash(_('Error occurred during update of permissions'),

                        category='error')

            return redirect(url('admin_permissions'))

        c.user = User.get_default_user()

        defaults = {'anonymous': c.user.active}

        for p in c.user.user_perms:

            if p.permission.permission_name.startswith('repository.'):

                defaults['default_repo_perm'] = p.permission.permission_name

            if p.permission.permission_name.startswith('group.'):

                defaults['default_group_perm'] = p.permission.permission_name

            if p.permission.permission_name.startswith('usergroup.'):

                defaults['default_user_group_perm'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.create.write_on_repogroup'):

                defaults['create_on_write'] = p.permission.permission_name

            elif p.permission.permission_name.startswith('hg.create.'):

                defaults['default_repo_create'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.repogroup.'):

                defaults['default_repo_group_create'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.usergroup.'):

                defaults['default_user_group_create'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.register.'):

                defaults['default_register'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.extern_activate.'):

                defaults['default_extern_activate'] = p.permission.permission_name

            if p.permission.permission_name.startswith('hg.fork.'):

                defaults['default_fork'] = p.permission.permission_name

        return htmlfill.render(

            render('admin/permissions/permissions.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False)

    def permission_ips(self):

        c.active = 'ips'

        c.user = User.get_default_user()

        c.user_ip_map = UserIpMap.query()\

                        .filter(UserIpMap.user == c.user).all()

        return render('admin/permissions/permissions.html')

    def permission_perms(self):

        c.active = 'perms'

        c.user = User.get_default_user()

        c.perm_user = c.user.AuthUser

        return render('admin/permissions/permissions.html')

# -*- coding: utf-8 -*-

# 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/>.

"""

kallithea.controllers.admin.repo_groups

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Repository groups controller for Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Mar 23, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

import formencode

import itertools

from formencode import htmlfill

from pylons import request, tmpl_context as c, url

from pylons.controllers.util import abort, redirect

from pylons.i18n.translation import _, ungettext

import kallithea

from kallithea.lib import helpers as h

from kallithea.lib.compat import json

    HasPermissionAll

from kallithea.lib.base import BaseController, render

from kallithea.model.db import RepoGroup, Repository

from kallithea.model.scm import RepoGroupList, AvailableRepoGroupChoices

from kallithea.model.repo_group import RepoGroupModel

from kallithea.model.forms import RepoGroupForm, RepoGroupPermsForm

from kallithea.model.meta import Session

from kallithea.model.repo import RepoModel

from webob.exc import HTTPInternalServerError, HTTPNotFound

from kallithea.lib.utils2 import safe_int

from sqlalchemy.sql.expression import func

log = logging.getLogger(__name__)

class RepoGroupsController(BaseController):

    @LoginRequired()

    def __before__(self):

        super(RepoGroupsController, self).__before__()

    def __load_defaults(self, extras=(), exclude=()):

        """extras is used for keeping current parent ignoring permissions

        exclude is used for not moving group to itself TODO: also exclude descendants

        Note: only admin can create top level groups

        """

        repo_groups = AvailableRepoGroupChoices([], ['group.admin'], extras)

        exclude_group_ids = set(rg.group_id for rg in exclude)

        c.repo_groups = [rg for rg in repo_groups

                         if rg[0] not in exclude_group_ids]

        repo_model = RepoModel()

        c.users_array = repo_model.get_users_js()

        c.user_groups_array = repo_model.get_user_groups_js()

    def __load_data(self, group_id):

        """

        Load defaults settings for edit, and update

        :param group_id:

        """

        repo_group = RepoGroup.get_or_404(group_id)

        data = repo_group.get_dict()

        data['group_name'] = repo_group.name

        # fill repository group users

        for p in repo_group.repo_group_to_perm:

            data.update({'u_perm_%s' % p.user.username:

                             p.permission.permission_name})

        # fill repository group groups

        for p in repo_group.users_group_to_perm:

            data.update({'g_perm_%s' % p.users_group.users_group_name:

                             p.permission.permission_name})

        return data

    def _revoke_perms_on_yourself(self, form_result):

        _up = filter(lambda u: c.authuser.username == u[0],

                     form_result['perms_updates'])

        _new = filter(lambda u: c.authuser.username == u[0],

                      form_result['perms_new'])

        if _new and _new[0][1] != 'group.admin' or _up and _up[0][1] != 'group.admin':

            return True

        return False

    def index(self, format='html'):

        """GET /repo_groups: All items in the collection"""

        # url('repos_groups')

        _list = RepoGroup.query()\

                    .order_by(func.lower(RepoGroup.group_name))\

                    .all()

        group_iter = RepoGroupList(_list, perm_set=['group.admin'])

        repo_groups_data = []

        total_records = len(group_iter)

        _tmpl_lookup = kallithea.CONFIG['pylons.app_globals'].mako_lookup

        template = _tmpl_lookup.get_template('data_table/_dt_elements.html')

        repo_group_name = lambda repo_group_name, children_groups: (

            template.get_def("repo_group_name")

            .render(repo_group_name, children_groups, _=_, h=h, c=c)

        )

        repo_group_actions = lambda repo_group_id, repo_group_name, gr_count: (

            template.get_def("repo_group_actions")

            .render(repo_group_id, repo_group_name, gr_count, _=_, h=h, c=c,

                    ungettext=ungettext)

        )

        for repo_gr in group_iter:

            children_groups = map(h.safe_unicode,

                itertools.chain((g.name for g in repo_gr.parents),

                                (x.name for x in [repo_gr])))

            repo_count = repo_gr.repositories.count()

            repo_groups_data.append({

                "raw_name": repo_gr.group_name,

                "group_name": repo_group_name(repo_gr.group_name, children_groups),

                "desc": h.escape(repo_gr.group_description),

                "repos": repo_count,

                "owner": h.person(repo_gr.user),

                "action": repo_group_actions(repo_gr.group_id, repo_gr.group_name,

                                             repo_count)

            })

        c.data = json.dumps({

            "totalRecords": total_records,

            "startIndex": 0,

            "sort": None,

            "dir": "asc",

            "records": repo_groups_data

        })

        return render('admin/repo_groups/repo_groups.html')

    def create(self):

        """POST /repo_groups: Create a new item"""

        # url('repos_groups')

        self.__load_defaults()

        # permissions for can create group based on parent_id are checked

        # here in the Form

        repo_group_form = RepoGroupForm(repo_groups=c.repo_groups)

        try:

            form_result = repo_group_form.to_python(dict(request.POST))

            gr = RepoGroupModel().create(

                group_name=form_result['group_name'],

                group_description=form_result['group_description'],

                parent=form_result['group_parent_id'],

                owner=self.authuser.user_id, # TODO: make editable

                copy_permissions=form_result['group_copy_permissions']

            )

            Session().commit()

            #TODO: in futureaction_logger(, '', '', '', self.sa)

        except formencode.Invalid as errors:

            return htmlfill.render(

                render('admin/repo_groups/repo_group_add.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during creation of repository group %s') \

                    % request.POST.get('group_name'), category='error')

            parent_group_id = form_result['group_parent_id']

            #TODO: maybe we should get back to the main view, not the admin one

            return redirect(url('repos_groups', parent_group=parent_group_id))

        h.flash(_('Created repository group %s') % gr.group_name,

                category='success')

        return redirect(url('repos_group_home', group_name=gr.group_name))

    def new(self):

        """GET /repo_groups/new: Form to create a new item"""

        # url('new_repos_group')

        if HasPermissionAll('hg.admin')('group create'):

            #we're global admin, we're ok and we can create TOP level groups

            pass

        else:

            # we pass in parent group into creation form, thus we know

            # what would be the group, we can check perms here !

            group_id = safe_int(request.GET.get('parent_group'))

            group = RepoGroup.get(group_id) if group_id else None

            group_name = group.group_name if group else None

            if HasRepoGroupPermissionAll('group.admin')(group_name, 'group create'):

                pass

            else:

                return abort(403)

        self.__load_defaults()

        return render('admin/repo_groups/repo_group_add.html')

    @HasRepoGroupPermissionAnyDecorator('group.admin')

    def update(self, group_name):

        """PUT /repo_groups/group_name: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('repos_group', group_name=GROUP_NAME),

        #           method='put')

        # url('repos_group', group_name=GROUP_NAME)

        c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        self.__load_defaults(extras=[c.repo_group.parent_group],

                             exclude=[c.repo_group])

        # TODO: kill allow_empty_group - it is only used for redundant form validation!

        if HasPermissionAll('hg.admin')('group edit'):

            #we're global admin, we're ok and we can create TOP level groups

            allow_empty_group = True

        elif not c.repo_group.parent_group:

            allow_empty_group = True

        else:

            allow_empty_group = False

        repo_group_form = RepoGroupForm(

            edit=True,

            old_data=c.repo_group.get_dict(),

            repo_groups=c.repo_groups,

            can_create_in_root=allow_empty_group,

        )()

        try:

            form_result = repo_group_form.to_python(dict(request.POST))

            new_gr = RepoGroupModel().update(group_name, form_result)

            Session().commit()

            h.flash(_('Updated repository group %s') \

                    % form_result['group_name'], category='success')

            # we now have new name !

            group_name = new_gr.group_name

            #TODO: in future action_logger(, '', '', '', self.sa)

        except formencode.Invalid as errors:

            return htmlfill.render(

                render('admin/repo_groups/repo_group_edit.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during update of repository group %s') \

                    % request.POST.get('group_name'), category='error')

        return redirect(url('edit_repo_group', group_name=group_name))

    @HasRepoGroupPermissionAnyDecorator('group.admin')

    def delete(self, group_name):

        """DELETE /repo_groups/group_name: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('repos_group', group_name=GROUP_NAME),

        #           method='delete')

        # url('repos_group', group_name=GROUP_NAME)

        gr = c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        repos = gr.repositories.all()

        if repos:

            h.flash(_('This group contains %s repositories and cannot be '

                      'deleted') % len(repos), category='warning')

            return redirect(url('repos_groups'))

        children = gr.children.all()

        if children:

            h.flash(_('This group contains %s subgroups and cannot be deleted'

                      % (len(children))), category='warning')

            return redirect(url('repos_groups'))

        try:

            RepoGroupModel().delete(group_name)

            Session().commit()

            h.flash(_('Removed repository group %s') % group_name,

                    category='success')

            #TODO: in future action_logger(, '', '', '', self.sa)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during deletion of repository group %s')

                    % group_name, category='error')

        if gr.parent_group:

            return redirect(url('repos_group_home', group_name=gr.parent_group.group_name))

        return redirect(url('repos_groups'))

    def show_by_name(self, group_name):

        """

        This is a proxy that does a lookup group_name -> id, and shows

        the group by id view instead

        """

        group_name = group_name.rstrip('/')

        id_ = RepoGroup.get_by_group_name(group_name)

        if id_:

            return self.show(group_name)

        raise HTTPNotFound

    @HasRepoGroupPermissionAnyDecorator('group.read', 'group.write',

                                         'group.admin')

    def show(self, group_name):

        """GET /repo_groups/group_name: Show a specific item"""

        # url('repos_group', group_name=GROUP_NAME)

        c.active = 'settings'

        c.group = c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        c.group_repos = c.group.repositories.all()

        #overwrite our cached list with current filter

        c.repo_cnt = 0

        groups = RepoGroup.query().order_by(RepoGroup.group_name)\

            .filter(RepoGroup.group_parent_id == c.group.group_id).all()

        c.groups = self.scm_model.get_repo_groups(groups)

        c.repos_list = Repository.query()\

                        .filter(Repository.group_id == c.group.group_id)\

                        .order_by(func.lower(Repository.repo_name))\

                        .all()

        repos_data = RepoModel().get_repos_as_dict(repos_list=c.repos_list,

                                                   admin=False)

        #json used to render the grid

        c.data = json.dumps(repos_data)

        return render('admin/repo_groups/repo_group_show.html')

    @HasRepoGroupPermissionAnyDecorator('group.admin')

    def edit(self, group_name):

        """GET /repo_groups/group_name/edit: Form to edit an existing item"""

        # url('edit_repo_group', group_name=GROUP_NAME)

        c.active = 'settings'

        c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        self.__load_defaults(extras=[c.repo_group.parent_group],

                             exclude=[c.repo_group])

        defaults = self.__load_data(c.repo_group.group_id)

        return htmlfill.render(

            render('admin/repo_groups/repo_group_edit.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

    @HasRepoGroupPermissionAnyDecorator('group.admin')

    def edit_repo_group_advanced(self, group_name):

        """GET /repo_groups/group_name/edit: Form to edit an existing item"""

        # url('edit_repo_group', group_name=GROUP_NAME)

        c.active = 'advanced'

        c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        return render('admin/repo_groups/repo_group_edit.html')

    @HasRepoGroupPermissionAnyDecorator('group.admin')

    def edit_repo_group_perms(self, group_name):

        """GET /repo_groups/group_name/edit: Form to edit an existing item"""

        # url('edit_repo_group', group_name=GROUP_NAME)

        c.active = 'perms'

        c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        self.__load_defaults()

        defaults = self.__load_data(c.repo_group.group_id)