/**
* check if there is a relationship between two bugs
* return:
* 0 if the relationship is not found
* -1 if the relationship is found and it's of the same type $p_rel_type
* id if the relationship is found and it's of a different time (this means it can be replaced with the new type $p_rel_type
* @param integer $p_src_bug_id Source Bug Id.
* @param integer $p_dest_bug_id Destination Bug Id.
* @param integer $p_rel_type Relationship Type.
* @return integer 0, -1 or id
*/
function relationship_same_type_exists($p_src_bug_id, $p_dest_bug_id, $p_rel_type)
{
# Check if there is already a relationship set between them
$t_id_relationship = relationship_exists($p_src_bug_id, $p_dest_bug_id);
if ($t_id_relationship > 0) {
# if there is...
# get all the relationship info
$t_relationship = relationship_get($t_id_relationship);
if ($t_relationship->src_bug_id == $p_src_bug_id && $t_relationship->dest_bug_id == $p_dest_bug_id) {
if ($t_relationship->type == $p_rel_type) {
$t_id_relationship = -1;
}
} else {
if ($t_relationship->type == relationship_get_complementary_type($p_rel_type)) {
$t_id_relationship = -1;
}
}
}
return $t_id_relationship;
}
}
# Remember the new custom field values so we can set them when updating
# the bug (done after all data passed to this update page has been
# validated).
$t_custom_fields_to_set[] = array('id' => $t_cf_id, 'value' => $t_new_custom_field_value);
}
# Perform validation of the duplicate ID of the bug.
if ($t_updated_bug->duplicate_id !== 0) {
if ($t_updated_bug->duplicate_id === $f_bug_id) {
trigger_error(ERROR_BUG_DUPLICATE_SELF, ERROR);
}
bug_ensure_exists($t_updated_bug->duplicate_id);
if (!access_has_bug_level(config_get('update_bug_threshold'), $t_updated_bug->duplicate_id)) {
trigger_error(ERROR_RELATIONSHIP_ACCESS_LEVEL_TO_DEST_BUG_TOO_LOW, ERROR);
}
if (relationship_exists($f_bug_id, $t_updated_bug->duplicate_id)) {
trigger_error(ERROR_RELATIONSHIP_ALREADY_EXISTS, ERROR);
}
}
# Validate the new bug note (if any is provided).
if ($t_bug_note->note || config_get('time_tracking_enabled') && helper_duration_to_minutes($t_bug_note->time_tracking) > 0) {
access_ensure_bug_level(config_get('add_bugnote_threshold'), $f_bug_id);
if (!$t_bug_note->note && !config_get('time_tracking_without_note')) {
error_parameters(lang_get('bugnote'));
trigger_error(ERROR_EMPTY_FIELD, ERROR);
}
if ($t_bug_note->view_state !== config_get('default_bugnote_view_status')) {
access_ensure_bug_level(config_get('set_view_status_threshold'), $f_bug_id);
}
}
# Handle the reassign on feedback feature. Note that this feature generally
