#!/usr/bin/env php

<?php

/*

 * StatusNet - a distributed open-source microblogging tool

 * Copyright (C) 2010 StatusNet, Inc.

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Affero General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Affero General Public License for more details.

 *

 * You should have received a copy of the GNU Affero General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));

$longoptions = array('dry-run', 'start=', 'end=');

$helptext = <<<END_OF_HELP

fixup_blocks.php [options]

Finds profile blocks where the unsubscription didn't complete,

and removes the offending subscriptions.

     --dry-run  look but don't touch

END_OF_HELP;

require_once INSTALLDIR.'/scripts/commandline.inc';

/**

 * Fetch subscriptions that should be disallowed by a block

 */

function get_blocked_subs()

{

    $query =     "SELECT subscription.* " .

                   "FROM subscription " .

             "INNER JOIN profile_block " .

                     "ON blocker=subscribed " .

                    "AND blocked=subscriber";

    $subscription = new Subscription();

    $subscription->query($query);

    return $subscription;

}

$dry = have_option('dry-run');

$sub = get_blocked_subs();

$count = $sub->N;

while ($sub->fetch()) {

    $subber = Profile::staticGet('id', $sub->subscriber);

    $subbed = Profile::staticGet('id', $sub->subscribed);

    if (!$subber || !$subbed) {

        print "Bogus entry! $sub->subscriber subbed to $sub->subscribed\n";

        continue;

    }

    print "$subber->nickname ($subber->id) blocked but subbed to $subbed->nickname ($subbed->id)";

    if ($dry) {

        print ": skipping; dry run\n";

    } else {

        Subscription::cancel($subber, $subbed);

        print ": removed\n";

    }

}

print "\n";

if ($dry && $count > 0) {

    print "Be sure to run without --dry-run to remove the bad entries!\n";

} else {

    print "done.\n";

}