<?php
# MantisBT - a php based bugtracking system

# MantisBT is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# MantisBT 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with MantisBT.  If not, see <http://www.gnu.org/licenses/>.

	/**
	 * @package MantisBT
	 * @copyright Copyright (C) 2000 - 2002  Kenzaburo Ito - kenito@300baud.org
	 * @copyright Copyright (C) 2002 - 2011  MantisBT Team - mantisbt-dev@lists.sourceforge.net
	 * @link http://www.mantisbt.org
	 */
	 /**
	  * MantisBT Core API's
	  */
	require_once( 'core.php' );

	require_once( 'category_api.php' );

	form_security_validate( 'manage_proj_cat_add' );

	auth_reauthenticate();

	$f_project_id	= gpc_get_int( 'project_id' );
	$f_name			= gpc_get_string( 'name' );

	access_ensure_project_level( config_get( 'manage_project_threshold' ), $f_project_id );

	if ( is_blank( $f_name ) ) {
		error_parameters( lang_get( 'category' ) );
		trigger_error( ERROR_EMPTY_FIELD, ERROR );
	}

	$t_names = explode( '|', $f_name );
	$t_category_count = count( $t_names );

	foreach ( $t_names as $t_name ) {
		if ( is_blank( $t_name ) ) {
			continue;
		}

		$t_name = trim( $t_name );
		if ( category_is_unique( $f_project_id, $t_name ) ) {
			category_add( $f_project_id, $t_name );
		} else if ( 1 == $t_category_count ) {
			# We only error out on duplicates when a single value was
			#  given.  If multiple values were given, we just add the
			#  ones we can.  The others already exist so it isn't really
			#  an error.

			trigger_error( ERROR_CATEGORY_DUPLICATE, ERROR );
		}
	}

	form_security_purge( 'manage_proj_cat_add' );

	if ( $f_project_id == ALL_PROJECTS ) {
		$t_redirect_url = 'manage_proj_page.php';
	} else {
		$t_redirect_url = 'manage_proj_edit_page.php?project_id=' . $f_project_id;
	}

	print_header_redirect( $t_redirect_url );