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# Copyright 2013 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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#   1. Redistributions of source code must retain the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer.
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#
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#   2. Redistributions in binary form must reproduce the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer in the documentation and/or other materials
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#      provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from datetime import datetime, timedelta
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from astakos.im.models import AstakosUser, PendingMembershipError
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from astakos.im.functions import (join_project, leave_project,
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                                  submit_application, approve_application)
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from astakos.im.project_xctx import cmd_project_transaction_context
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from astakos.im.retry_xctx import RetryException
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@cmd_project_transaction_context(sync=True)
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def join(proj_id, user_id, ctx=None):
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    join_project(proj_id, user_id)
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@cmd_project_transaction_context(sync=True)
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def leave(proj_id, user_id, ctx=None):
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    try:
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        leave_project(proj_id, user_id)
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    except PendingMembershipError as e:
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        print e
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        raise RetryException()
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@cmd_project_transaction_context()
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def submit(name, user_id, prec, ctx=None):
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    try:
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        owner = AstakosUser.objects.get(id=user_id)
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    except AstakosUser.DoesNotExist:
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        raise AttributeError('user does not exist')
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    resource_policies = [{'service': 'cyclades',
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                          'resource': 'network.private',
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                          'uplimit': 5}]
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    data = {'owner': owner,
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            'name': name,
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            'precursor_application': prec,
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            'end_date': datetime.now() + timedelta(days=1),
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            'member_join_policy': 1,
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            'member_leave_policy': 1,
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            'resource_policies': resource_policies,
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            }
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    app = submit_application(data, request_user=owner)
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    return app.id
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@cmd_project_transaction_context(sync=True)
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def approve(app_id, ctx=None):
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    approve_application(app_id)