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File: bugnote_delete.php
<?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/>.

	/**
	 * Remove the bugnote and bugnote text and redirect back to
	 * the viewing page
	 * @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( 'bug_api.php' );
	require_once( 'bugnote_api.php' );
	require_once( 'current_user_api.php' );

	form_security_validate( 'bugnote_delete' );

	$f_bugnote_id = gpc_get_int( 'bugnote_id' );

	$t_bug_id = bugnote_get_field( $f_bugnote_id, 'bug_id' );

	$t_bug = bug_get( $t_bug_id, true );
	if( $t_bug->project_id != helper_get_current_project() ) {
		# in case the current project is not the same project of the bug we are viewing...
		# ... override the current project. This to avoid problems with categories and handlers lists etc.
		$g_project_override = $t_bug->project_id;
	}

	# Check if the current user is allowed to delete the bugnote
	$t_user_id = auth_get_current_user_id();
	$t_reporter_id = bugnote_get_field( $f_bugnote_id, 'reporter_id' );

	if ( ( $t_user_id != $t_reporter_id ) || ( OFF == config_get( 'bugnote_allow_user_edit_delete' ) ) ) {
		access_ensure_bugnote_level( config_get( 'delete_bugnote_threshold' ), $f_bugnote_id );
	}

	helper_ensure_confirmed( lang_get( 'delete_bugnote_sure_msg' ),
							 lang_get( 'delete_bugnote_button' ) );

	bugnote_delete( $f_bugnote_id );

	# Event integration
	event_signal( 'EVENT_BUGNOTE_DELETED', array( $t_bug_id, $f_bugnote_id ) );

	form_security_purge( 'bugnote_delete' );

	print_successful_redirect( string_get_bug_view_url( $t_bug_id ) . '#bugnotes' );