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<?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/>.
/**
* To delete a relationship we need to ensure that:
* - User not anomymous
* - Source bug exists and is not in read-only state (peer bug could not exist...)
* - User that update the source bug and at least view the destination bug
* - Relationship must exist
*
* @package MantisBT
* @copyright Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
* @copyright Copyright (C) 2002 - 2011 MantisBT Team - mantisbt-dev@lists.sourceforge.net
* @author Marcello Scata' <marcelloscata at users.sourceforge.net> ITALY
* @link http://www.mantisbt.org
*
* @uses core.php
* @uses access_api.php
* @uses bug_api.php
* @uses config_api.php
* @uses constant_inc.php
* @uses email_api.php
* @uses error_api.php
* @uses form_api.php
* @uses gpc_api.php
* @uses helper_api.php
* @uses history_api.php
* @uses lang_api.php
* @uses print_api.php
* @uses relationship_api.php
*/
/**
* MantisBT Core API's
*/
require_once( 'core.php' );
require_api( 'access_api.php' );
require_api( 'bug_api.php' );
require_api( 'config_api.php' );
require_api( 'constant_inc.php' );
require_api( 'email_api.php' );
require_api( 'error_api.php' );
require_api( 'form_api.php' );
require_api( 'gpc_api.php' );
require_api( 'helper_api.php' );
require_api( 'history_api.php' );
require_api( 'lang_api.php' );
require_api( 'print_api.php' );
require_api( 'relationship_api.php' );
form_security_validate( 'bug_relationship_delete' );
$f_rel_id = gpc_get_int( 'rel_id' );
$f_bug_id = gpc_get_int( 'bug_id' );
$t_bug = bug_get( $f_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;
}
# user has access to update the bug...
access_ensure_bug_level( config_get( 'update_bug_threshold' ), $f_bug_id );
# bug is not read-only...
if ( bug_is_readonly( $f_bug_id ) ) {
error_parameters( $f_bug_id );
trigger_error( ERROR_BUG_READ_ONLY_ACTION_DENIED, ERROR );
}
# retrieve the destination bug of the relationship
$t_dest_bug_id = relationship_get_linked_bug_id( $f_rel_id, $f_bug_id );
# user can access to the related bug at least as viewer, if it's exist...
if ( bug_exists( $t_dest_bug_id )) {
if ( !access_has_bug_level( VIEWER, $t_dest_bug_id ) ) {
error_parameters( $t_dest_bug_id );
trigger_error( ERROR_RELATIONSHIP_ACCESS_LEVEL_TO_DEST_BUG_TOO_LOW, ERROR );
}
}
helper_ensure_confirmed( lang_get( 'delete_relationship_sure_msg' ), lang_get( 'delete_relationship_button' ) );
$t_bug_relationship_data = relationship_get( $f_rel_id );
$t_rel_type = $t_bug_relationship_data->type;
# delete relationship from the DB
relationship_delete( $f_rel_id );
# update bug last updated (just for the src bug)
bug_update_date( $f_bug_id );
# set the rel_type for both bug and dest_bug based on $t_rel_type and on who is the dest bug
if ($f_bug_id == $t_bug_relationship_data->src_bug_id) {
$t_bug_rel_type = $t_rel_type;
$t_dest_bug_rel_type = relationship_get_complementary_type( $t_rel_type );
} else {
$t_bug_rel_type = relationship_get_complementary_type( $t_rel_type );
$t_dest_bug_rel_type = $t_rel_type;
}
# send email and update the history for the src issue
history_log_event_special( $f_bug_id, BUG_DEL_RELATIONSHIP, $t_bug_rel_type, $t_dest_bug_id );
email_relationship_deleted( $f_bug_id, $t_dest_bug_id, $t_bug_rel_type );
if ( bug_exists( $t_dest_bug_id )) {
# send email and update the history for the dest issue
history_log_event_special( $t_dest_bug_id, BUG_DEL_RELATIONSHIP, $t_dest_bug_rel_type, $f_bug_id );
email_relationship_deleted( $t_dest_bug_id, $f_bug_id, $t_dest_bug_rel_type );
}
form_security_purge( 'bug_relationship_delete' );
print_header_redirect_view( $f_bug_id );