#!/usr/bin/env python

# encoding: utf-8

# permissions controller for pylons

# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>

#

# 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; version 2

# of the License or (at your opinion) any later version of the license.

# 

# 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., 51 Franklin Street, Fifth Floor, Boston,

# MA  02110-1301, USA.

"""

Created on April 27, 2010

permissions controller for pylons

@author: marcink

"""

from formencode import htmlfill

from pylons import request, session, tmpl_context as c, url

from pylons.controllers.util import abort, redirect

from pylons.i18n.translation import _

from rhodecode.lib import helpers as h

from rhodecode.lib.auth import LoginRequired, HasPermissionAllDecorator

from rhodecode.lib.base import BaseController, render

from rhodecode.model.forms import UserForm, DefaultPermissionsForm

from rhodecode.model.permission_model import PermissionModel

from rhodecode.model.user import UserModel

import formencode

import logging

import traceback

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):

        c.admin_user = session.get('admin_user')

        c.admin_username = session.get('admin_username')

        super(PermissionsController, self).__before__()

        self.perms_choices = [('repository.none', _('None'),),

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

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

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

        self.register_choices = [

            ('hg.register.none', 'disabled'),

            ('hg.register.manual_activate',

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

            ('hg.register.auto_activate',

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

        self.create_choices = [('hg.create.none', _('Disabled')),

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

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

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

        # url('permissions')

    def create(self):

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

        # url('permissions')

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

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

        # url('new_permission')

    def update(self, id):

        """PUT /permissions/id: 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('permission', id=ID),

        #           method='put')

        # url('permission', id=ID)

        permission_model = PermissionModel()

        _form = DefaultPermissionsForm([x[0] for x in self.perms_choices],

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

                                       [x[0] for x in self.create_choices])()

        try:

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

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

            permission_model.update(form_result)

            h.flash(_('Default permissions updated succesfully'),

                    category='success')

        except formencode.Invalid, errors:

            c.perms_choices = self.perms_choices

            c.register_choices = self.register_choices

            c.create_choices = self.create_choices

            return htmlfill.render(

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

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8")

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occured during update of permissions'),

                    category='error')

        return redirect(url('edit_permission', id=id))

    def delete(self, id):

        """DELETE /permissions/id: 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('permission', id=ID),

        #           method='delete')

        # url('permission', id=ID)

    def show(self, id, format='html'):

        """GET /permissions/id: Show a specific item"""

        # url('permission', id=ID)

    def edit(self, id, format='html'):

        """GET /permissions/id/edit: Form to edit an existing item"""

        #url('edit_permission', id=ID)

        c.perms_choices = self.perms_choices

        c.register_choices = self.register_choices

        c.create_choices = self.create_choices

        if id == 'default':

            defaults = {'_method':'put'}

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

                    defaults['default_perm'] = 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.create.'):

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

            return htmlfill.render(

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

                        defaults=defaults,

                        encoding="UTF-8",

                        force_defaults=True,)

        else:

            return redirect(url('admin_home'))