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<?php
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/* 
 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, Controlez-Vous, 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/>.
 */

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if (!defined('LACONICA')) { exit(1); }
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class SubscribeAction extends Action {
	function handle($args) {
		parent::handle($args);
		
		if (!common_logged_in()) {
			common_user_error(_t('Not logged in.'));
			return;
		}
		
		$other_nickname = $this->arg('subscribeto');

		$other = User::staticGet('nickname', $other_nickname);
		
		if (!$other) {
			common_user_error(_t('No such user.'));
			return;
		}
		
		$user = common_current_user();

		if ($user->isSubscribed($other)) {
			common_user_error(_t('Already subscribed!.'));
			return;
		}
		
		$sub = new Subscription();
		$sub->subscriber = $user->id;
		$sub->subscribed = $other->id;
		
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		$sub->created = DB_DataObject_Cast::dateTime(); # current time
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		$val = $sub->validate();
		
		if ($val !== TRUE) {
			# XXX: give some error notice
			common_server_error(_t('Subscription did not validate.'));
			return;
		}
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		if (!$sub->insert()) {
			common_server_error(_t('Couldn\'t create subscription.'));
			return;
		}
		
		common_redirect(common_local_url('all', array('nickname' =>
													  $user->nickname)));
	}
}