# Mantis - a php based bugtracking system

# Copyright (C) 2000 - 2002  Kenzaburo Ito - kenito@300baud.org

# Copyright (C) 2002 - 2007  Mantis Team   - mantisbt-dev@lists.sourceforge.net

# Mantis 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.

#

# Mantis 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 Mantis.  If not, see <http://www.gnu.org/licenses/>.

	# --------------------------------------------------------

	# $Id: bug_actiongroup_attach_tags_inc.php,v 1.1.2.2 2007-10-13 22:32:31 giallu Exp $

	# --------------------------------------------------------

	$t_core_path = config_get( 'core_path' );

	require_once( $t_core_path . 'tag_api.php' );

	/**

	 * Prints the title for the custom action page.	 

	 */

	function action_attach_tags_print_title() {

        echo '';

        echo '';

        echo lang_get( 'tag_attach_long' );

        echo '';		

	}

	/**

	 * Prints the table and form for the Attach Tags group action page.

	 */

	function action_attach_tags_print_fields() {

		echo '',lang_get('tag_attach_long'),'';

		print_tag_input();

		echo '<input type="submit" class="button" value="' . lang_get( 'tag_attach' ) . ' " />';

	}

	/**

	 * Validates the Attach Tags group action.

	 * Gets called for every bug, but performs the real tag validation only

	 * the first time.  Any invalid tags will be skipped, as there is no simple

	 * or clean method of presenting these errors to the user.

	 * @param integer Bug ID

	 * @return boolean True

	 */

	function action_attach_tags_validate( $p_bug_id ) {

		global $g_action_attach_tags_valid;

		if ( !isset( $g_action_attach_tags_valid ) ) {

			$f_tag_string = gpc_get_string( 'tag_string' );

			$f_tag_select = gpc_get_string( 'tag_select' );

			global $g_action_attach_tags_attach, $g_action_attach_tags_create, $g_action_attach_tags_failed; 

			$g_action_attach_tags_attach = array();

			$g_action_attach_tags_create = array();

			$g_action_attach_tags_failed = array();

			$t_tags = tag_parse_string( $f_tag_string );

			$t_can_create = access_has_global_level( config_get( 'tag_create_threshold' ) );

			foreach ( $t_tags as $t_tag_row ) {

				if ( -1 == $t_tag_row['id'] ) {

					if ( $t_can_create ) {

						$g_action_attach_tags_create[] = $t_tag_row;

					} else {

						$g_action_attach_tags_failed[] = $t_tag_row;

					}

				} elseif ( -2 == $t_tag_row['id'] ) {

					$g_action_attach_tags_failed[] = $t_tag_row;

				} else {

					$g_action_attach_tags_attach[] = $t_tag_row;

				}

			}

			if ( 0 < $f_tag_select && tag_exists( $f_tag_select ) ) {

				$g_action_attach_tags_attach[] = tag_get( $f_tag_select );

			}

		}

		global $g_action_attach_tags_attach, $g_action_attach_tags_create, $g_action_attach_tags_failed; 

		return true;

	}

	/**

	 * Attaches all the tags to each bug in the group action.

	 * @param integer Bug ID

	 * @return boolean True if all tags attach properly

	 */

	function action_attach_tags_process( $p_bug_id ) {

		global $g_action_attach_tags_attach, $g_action_attach_tags_create; 

		$t_user_id = auth_get_current_user_id();

		foreach( $g_action_attach_tags_create as $t_tag_row ) {

			$t_tag_row['id'] = tag_create( $t_tag_row['name'], $t_user_id );

			$g_action_attach_tags_attach[] = $t_tag_row;

		}

		$g_action_attach_tags_create = array();

		foreach( $g_action_attach_tags_attach as $t_tag_row ) {

			if ( ! tag_bug_is_attached( $t_tag_row['id'], $p_bug_id ) ) {

				tag_bug_attach( $t_tag_row['id'], $p_bug_id, $t_user_id );

			}

		}

		return true;

	}