<?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/>.

/**
 * Project Category Add
 *
 * @package MantisBT
 * @copyright Copyright 2000 - 2002  Kenzaburo Ito - kenito@300baud.org
 * @copyright Copyright 2002  MantisBT Team - mantisbt-dev@lists.sourceforge.net
 * @link http://www.mantisbt.org
 *
 * @uses core.php
 * @uses access_api.php
 * @uses authentication_api.php
 * @uses category_api.php
 * @uses config_api.php
 * @uses constant_inc.php
 * @uses error_api.php
 * @uses form_api.php
 * @uses gpc_api.php
 * @uses lang_api.php
 * @uses print_api.php
 * @uses utility_api.php
 */

require_once( 'core.php' );
require_api( 'access_api.php' );
require_api( 'authentication_api.php' );
require_api( 'category_api.php' );
require_api( 'config_api.php' );
require_api( 'constant_inc.php' );
require_api( 'error_api.php' );
require_api( 'form_api.php' );
require_api( 'gpc_api.php' );
require_api( 'lang_api.php' );
require_api( 'print_api.php' );
require_api( 'utility_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' );
$f_add_and_edit	= gpc_get_bool( 'add_and_edit_category' );

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 );
# Only add a single category with the add and edit button
if( $f_add_and_edit ) {
	$t_names = array_slice( $t_names, 0, 1 );
}
$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 ) ) {
		$t_id = 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_add_and_edit ) {
	$t_redirect_url = 'manage_proj_cat_edit_page.php?category_id=' . $t_id . '&project_id=' . $f_project_id;
} else 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 . '#categories';
}

print_header_redirect( $t_redirect_url );
