2014-09-02 17:52:55 +02:00
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# -*- coding: utf-8 -*-
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# Copyright (c) 2014 CoNWeT Lab., Universidad Politécnica de Madrid
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# This file is part of CKAN Private Dataset Extension.
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# CKAN Private Dataset Extension is free software: you can redistribute it and/or
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# modify it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# CKAN Private Dataset Extension is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with CKAN Private Dataset Extension. If not, see <http://www.gnu.org/licenses/>.
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2014-07-17 13:25:03 +02:00
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import ckan.lib.search as search
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import ckan.plugins as p
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import ckan.plugins.toolkit as tk
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import auth
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import actions
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import constants
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2014-07-10 12:26:31 +02:00
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import converters_validators as conv_val
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import db
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import helpers as helpers
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2014-07-04 14:18:10 +02:00
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2014-06-23 17:25:37 +02:00
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class PrivateDatasets(p.SingletonPlugin, tk.DefaultDatasetForm):
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p.implements(p.IDatasetForm)
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p.implements(p.IAuthFunctions)
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p.implements(p.IConfigurer)
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p.implements(p.IRoutes, inherit=True)
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p.implements(p.IActions)
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p.implements(p.IPackageController, inherit=True)
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p.implements(p.ITemplateHelpers)
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######################################################################
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############################ DATASET FORM ############################
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######################################################################
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2014-07-17 13:25:03 +02:00
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def __init__(self, name=None):
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self.indexer = search.PackageSearchIndex()
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def _modify_package_schema(self):
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return {
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# remove datasets_with_no_organization_cannot_be_private validator
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'private': [tk.get_validator('ignore_missing'),
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tk.get_validator('boolean_validator')],
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constants.ALLOWED_USERS_STR: [tk.get_validator('ignore_missing'),
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conv_val.private_datasets_metadata_checker],
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constants.ALLOWED_USERS: [conv_val.allowed_users_convert,
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tk.get_validator('ignore_missing'),
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conv_val.private_datasets_metadata_checker],
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constants.ACQUIRE_URL: [tk.get_validator('ignore_missing'),
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conv_val.private_datasets_metadata_checker,
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conv_val.url_checker,
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tk.get_converter('convert_to_extras')],
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constants.SEARCHABLE: [tk.get_validator('ignore_missing'),
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conv_val.private_datasets_metadata_checker,
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tk.get_converter('convert_to_extras'),
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tk.get_validator('boolean_validator')]
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}
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def create_package_schema(self):
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# grab the default schema in our plugin
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schema = super(PrivateDatasets, self).create_package_schema()
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schema.update(self._modify_package_schema())
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return schema
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def update_package_schema(self):
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# grab the default schema in our plugin
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schema = super(PrivateDatasets, self).update_package_schema()
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schema.update(self._modify_package_schema())
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return schema
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def show_package_schema(self):
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schema = super(PrivateDatasets, self).show_package_schema()
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schema.update({
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constants.ALLOWED_USERS: [conv_val.get_allowed_users,
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tk.get_validator('ignore_missing')],
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constants.ACQUIRE_URL: [tk.get_converter('convert_from_extras'),
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tk.get_validator('ignore_missing')],
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constants.SEARCHABLE: [tk.get_converter('convert_from_extras'),
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tk.get_validator('ignore_missing')]
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})
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return schema
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def is_fallback(self):
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# Return True to register this plugin as the default handler for
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# package types not handled by any other IDatasetForm plugin.
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return True
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def package_types(self):
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# This plugin doesn't handle any special package types, it just
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# registers itself as the default (above).
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return []
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######################################################################
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########################### AUTH FUNCTIONS ###########################
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######################################################################
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def get_auth_functions(self):
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return {'package_show': auth.package_show,
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'package_update': auth.package_update,
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'resource_show': auth.resource_show,
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constants.PACKAGE_ACQUIRED: auth.package_acquired}
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######################################################################
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############################ ICONFIGURER #############################
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######################################################################
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def update_config(self, config):
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# Add this plugin's templates dir to CKAN's extra_template_paths, so
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# that CKAN will use this plugin's custom templates.
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tk.add_template_directory(config, 'templates')
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# Register this plugin's fanstatic directory with CKAN.
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tk.add_resource('fanstatic', 'privatedatasets')
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######################################################################
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############################## IROUTES ###############################
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######################################################################
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def before_map(self, m):
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# DataSet acquired notification
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m.connect('user_acquired_datasets', '/dashboard/acquired', ckan_icon='shopping-cart',
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controller='ckanext.privatedatasets.controllers.ui_controller:AcquiredDatasetsControllerUI',
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action='user_acquired_datasets', conditions=dict(method=['GET']))
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return m
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######################################################################
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############################## IACTIONS ##############################
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######################################################################
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def get_actions(self):
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return {constants.PACKAGE_ACQUIRED: actions.package_acquired}
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2014-07-04 11:49:36 +02:00
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######################################################################
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######################### IPACKAGECONTROLLER #########################
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######################################################################
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def before_index(self, pkg_dict):
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if 'extras_' + constants.SEARCHABLE in pkg_dict:
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if pkg_dict['extras_searchable'] == 'False':
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pkg_dict['capacity'] = 'private'
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else:
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pkg_dict['capacity'] = 'public'
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return pkg_dict
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def after_create(self, context, pkg_dict):
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session = context['session']
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update_cache = False
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db.init_db(context['model'])
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# Get the users and the package ID
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if constants.ALLOWED_USERS in pkg_dict:
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allowed_users = pkg_dict[constants.ALLOWED_USERS]
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package_id = pkg_dict['id']
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# Get current users
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users = db.AllowedUser.get(package_id=package_id)
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# Delete users and save the list of current users
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current_users = []
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for user in users:
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current_users.append(user.user_name)
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if user.user_name not in allowed_users:
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session.delete(user)
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update_cache = True
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# Add non existing users
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for user_name in allowed_users:
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if user_name not in current_users:
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out = db.AllowedUser()
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out.package_id = package_id
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out.user_name = user_name
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out.save()
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session.add(out)
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update_cache = True
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session.commit()
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# The cache should be updated. Otherwise, the system may return
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# outdated information in future requests
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if update_cache:
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new_pkg_dict = tk.get_action('package_show')(
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{'model': context['model'],
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'ignore_auth': True,
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'validate': False,
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'use_cache': False},
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{'id': package_id})
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self.indexer.update_dict(new_pkg_dict)
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return pkg_dict
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def after_update(self, context, pkg_dict):
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return self.after_create(context, pkg_dict)
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def after_show(self, context, pkg_dict):
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user_obj = context.get('auth_user_obj')
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updating_via_api = context.get(constants.CONTEXT_CALLBACK, False)
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2014-09-05 10:59:33 +02:00
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# allowed_users, searchable and acquire_url fileds can be only viewed by (and only if the dataset is private):
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# * the dataset creator
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# * the sysadmin
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# * users allowed to update the allowed_users list via the notification API
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if pkg_dict.get('private') is False or not updating_via_api and (not user_obj or (pkg_dict['creator_user_id'] != user_obj.id and not user_obj.sysadmin)):
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attrs = [constants.ALLOWED_USERS, constants.SEARCHABLE, constants.ACQUIRE_URL]
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for attr in attrs:
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if attr in pkg_dict:
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del pkg_dict[attr]
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return pkg_dict
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2014-07-28 15:50:45 +02:00
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def after_delete(self, context, pkg_dict):
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session = context['session']
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package_id = pkg_dict['id']
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# Get current users
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db.init_db(context['model'])
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users = db.AllowedUser.get(package_id=package_id)
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# Delete all the users
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for user in users:
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session.delete(user)
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session.commit()
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return pkg_dict
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2014-07-04 14:18:10 +02:00
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######################################################################
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######################### ITEMPLATESHELPER ###########################
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######################################################################
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def get_helpers(self):
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return {'is_dataset_acquired': helpers.is_dataset_acquired,
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'get_allowed_users_str': helpers.get_allowed_users_str,
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'is_owner': helpers.is_owner,
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'can_read': helpers.can_read,
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'show_acquire_url_on_create': helpers.show_acquire_url_on_create,
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'show_acquire_url_on_edit': helpers.show_acquire_url_on_edit
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}
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