Synnefo

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from datetime import datetime, timedelta

from django.core.exceptions import PermissionDenied

from astakos.im.models import AstakosUser, ProjectApplication

from astakos.im.functions import (join_project, leave_project,

                                  submit_application, approve_application,

                                  get_user_by_id, check_pending_app_quota)

from snf_django.lib.db.transaction import commit_on_success_strict

@commit_on_success_strict()

def join(proj_id, user_id):

    join_project(proj_id, get_user_by_id(user_id))

@commit_on_success_strict()

def leave(proj_id, user_id):

    leave_project(proj_id, get_user_by_id(user_id))

@commit_on_success_strict()

def submit(name, user_id, prec):

    try:

        owner = AstakosUser.objects.get(id=user_id)

    except AstakosUser.DoesNotExist:

        raise AttributeError('user does not exist')

    precursor = (ProjectApplication.objects.get(id=prec)

                 if prec is not None

                 else None)

    ok, limit = check_pending_app_quota(owner, precursor=precursor)

    if not ok:

        raise PermissionDenied('Limit %s reached', limit)

    resource_policies = [('cyclades.network.private', 5)]

    data = {'owner': owner,

            'name': name,

            'precursor_id': prec,

            'end_date': datetime.now() + timedelta(days=1),

            'member_join_policy': 1,

            'member_leave_policy': 1,

            'resource_policies': resource_policies,

            'request_user': owner

            }

    app = submit_application(**data)

    return app.id

@commit_on_success_strict()

def approve(app_id):

    approve_application(app_id)