Synnefo

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from optparse import make_option

from django.core.management.base import NoArgsCommand, CommandError

from pithos.api.swiss_army import SwissArmy

def double_list_str(l):

    return '\n'.join(', '.join(sublist) for sublist in l)

class Command(NoArgsCommand):

    help = "Quotas migration helper"

    option_list = NoArgsCommand.option_list + (

        make_option('--list-duplicate',

                    dest='duplicate-accounts',

                    action="store_true",

                    default=False,

                    help="Display case insensitive duplicate accounts."),

        make_option('--list-all',

                    dest='existing-accounts',

                    action="store_true",

                    default=False,

                    help="Display existing accounts."),

        make_option('--merge-accounts',

                    dest='merge_accounts',

                    action='store_true',

                    default=False,

                    help="Merge SRC_ACCOUNT and DEST_ACCOUNT."),

        make_option('--delete-account',

                    dest='delete_account',

                    action='store',

                    help="Delete DELETE_ACCOUNT."),

        make_option('--src-account',

                    dest='src_account',

                    action='store',

                    help="Account to be merged and then deleted."),

        make_option('--dest-account',

                    dest='dest_account',

                    action='store',

                    help="Account where SRC_ACCOUNT contents will be copied."),

        make_option('--dry',

                    dest='dry',

                    action="store_true",

                    default=False,

                    help="Do not commit database changes.")

    )

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

        try:

            utils = SwissArmy()

            self.dry = options.get('dry')

            if not options.get('duplicate-accounts') and \

                not options.get('existing-accounts') and \

                not options.get('merge_accounts') and \

                not options.get('delete_account'):

                self.print_help('pithos-manage-accounts', '')

            if options.get('duplicate-accounts') and \

                    not options.get('existing-accounts') and \

                    not options.get('merge_accounts') and \

                    not options.get('delete_account'):

                duplicates = utils.duplicate_accounts()

                if duplicates:

                    msg = "The following case insensitive duplicates found:\n%s"

                    raise CommandError(msg % double_list_str(duplicates))

                else:

                    print "No duplicate accounts are found."

            if options.get('existing-accounts') and \

                    not options.get('merge_accounts') and \

                    not options.get('delete_account'):

                accounts = utils.existing_accounts()

                print "The following accounts found:"

                print "%s" % '\n'.join(accounts)

            if options.get('merge_accounts'):

                src_account = options.get('src_account')

                dest_account = options.get('dest_account')

                if not src_account:

                    raise CommandError('Please specify a source account')

                if not dest_account:

                    raise CommandError('Please specify a destination account')

                utils.merge_account(src_account, dest_account,

                                         only_stats=True)

                confirm = raw_input("Type 'yes' if you are sure you want"

                                    " to move those entries to %s: " %\

                                    dest_account)

                if not confirm == 'yes':

                    return

                else:

                    utils.merge_account(options.get('src_account'),

                                        options.get('dest_account'),

                                        only_stats=False,

                                        dry=self.dry)

                return

            if options.get('delete_account'):

                utils.delete_account(options.get('delete_account'),

                                     only_stats=True)

                confirm = raw_input("Type 'yes' if you are sure you want"

                                    " to remove those entries: ")

                if not confirm == 'yes':

                    return

                else:

                    utils.delete_account(options.get('delete_account'),

                                         only_stats=False,

                                         dry=self.dry)

                return

        except Exception, e:

            raise CommandError(e)

        finally:

            utils.backend.close()