Synnefo

# Copyright 2013 GRNET S.A. All rights reserved.

#

# Redistribution and use in source and binary forms, with or

# without modification, are permitted provided that the following

# conditions are met:

#

#   1. Redistributions of source code must retain the above

#      copyright notice, this list of conditions and the following

#      disclaimer.

#

#   2. Redistributions in binary form must reproduce the above

#      copyright notice, this list of conditions and the following

#      disclaimer in the documentation and/or other materials

#      provided with the distribution.

#

# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

# POSSIBILITY OF SUCH DAMAGE.

#

# The views and conclusions contained in the software and

# documentation are those of the authors and should not be

# interpreted as representing official policies, either expressed

# or implied, of GRNET S.A.

from django.core.management.base import CommandError

from snf_django.management.commands import SynnefoCommand

from synnefo.webproject.management import utils

from astakos.quotaholder_app.models import Commission, Provision

class Command(SynnefoCommand):

    args = "<commission serial>"

    help = "Show details for a pending commission"

    def handle(self, *args, **options):

        self.output_format = options['output_format']

        if len(args) != 1:

            raise CommandError("Please provide a commission serial.")

        try:

            serial = int(args[0])

        except ValueError:

            raise CommandError('Expecting an integer serial.')

        try:

            commission = Commission.objects.get(serial=serial)

        except Commission.DoesNotExist:

            m = 'There is no pending commission with serial %s.' % serial

            raise CommandError(m)

        data = {'serial':     serial,

                'name':       commission.name,

                'clientkey':  commission.clientkey,

                'issue_time': commission.issue_datetime,

                }

        self.pprint_dict(data)

        provisions = Provision.objects.filter(serial=commission)

        data, labels = self.show_provisions(provisions)

        self.stdout.write('\n')

        self.pprint_table(data, labels, title='Provisions')

    def show_provisions(self, provisions):

        acc = []

        labels = 'holder', 'resource', 'source', 'quantity'

        for provision in provisions:

            fields = []

            for label in labels:

                f = getattr(provision, label)

                fields.append(f)

            acc.append(fields)

        return acc, labels

    def pprint_dict(self, d, vertical=True):

        utils.pprint_table(self.stdout, [d.values()], d.keys(),

                           self.output_format, vertical=vertical)

    def pprint_table(self, tbl, labels, title=None):

        utils.pprint_table(self.stdout, tbl, labels,

                           self.output_format, title=title)