ckanext-privatedatasets/ckanext/privatedatasets/helpers.py

99 lines
2.8 KiB
Python
Executable File

# -*- coding: utf-8 -*-
# Copyright (c) 2014-2015 CoNWeT Lab., Universidad Politécnica de Madrid
# This file is part of CKAN Private Dataset Extension.
# CKAN Private Dataset Extension is free software: you can redistribute it and/or
# modify it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# CKAN Private Dataset Extension 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 Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with CKAN Private Dataset Extension. If not, see <http://www.gnu.org/licenses/>.
import ckan.model as model
import ckan.plugins.toolkit as tk
import db
from pylons import config
from ckan.common import request
import logging
log = logging.getLogger(__name__)
def is_dataset_acquired(pkg_dict):
db.init_db(model)
if tk.c.user:
return len(db.AllowedUser.get(package_id=pkg_dict['id'], user_name=tk.c.user)) > 0
else:
return False
def is_owner(pkg_dict):
if tk.c.userobj is not None:
return tk.c.userobj.id == pkg_dict['creator_user_id']
else:
return False
def get_allowed_users_str(users):
if users:
return ','.join([user for user in users])
else:
return ''
def can_read(pkg_dict):
try:
context = {'user': tk.c.user, 'userobj': tk.c.userobj, 'model': model}
return tk.check_access('package_show', context, pkg_dict)
except tk.NotAuthorized:
return False
def get_config_bool_value(config_name, default_value=False):
value = config.get(config_name, default_value)
value = value if type(value) == bool else value != 'False'
return value
def show_acquire_url_on_create():
return get_config_bool_value('ckan.privatedatasets.show_acquire_url_on_create')
def show_acquire_url_on_edit():
return get_config_bool_value('ckan.privatedatasets.show_acquire_url_on_edit')
def acquire_button(package):
'''
Return a Get Access button for the given package id when the dataset has
an acquisition URL.
:param package: the the package to request access when the get access
button is clicked
:type package: Package
:returns: a get access button as an HTML snippet
:rtype: string
'''
if 'acquire_url' in package and request.path.startswith('/dataset')\
and package['acquire_url'] != '':
url_dest = package['acquire_url']
data = {'url_dest': url_dest}
return tk.render_snippet('snippets/acquire_button.html', data)
else:
return ''