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Do not allow to remove task with children

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This commit is contained in:
Laurent Destailleur
2009-01-12 20:26:06 +00:00
parent 4d7e695d86
commit 5cf2356bcb
8 changed files with 162 additions and 88 deletions
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44
htdocs/task.class.php
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@@ -309,13 +309,18 @@ class Task // extends CommonObject
global $conf, $langs;
$error=0;
// TODO. Refused if there is some child.
$this->db->begin();
if ($this->hasChildren() > 0)
{
dolibarr_syslog(get_class($this)."::delete Can't delete record as it has some child", LOG_WARNING);
$this->error='ErrorRecordHasChildren';
$this->db->rollback();
return 0;
}
$sql = "DELETE FROM ".MAIN_DB_PREFIX."projet_task";
$sql.= " WHERE rowid=".$this->id;
$this->db->begin();
dolibarr_syslog(get_class($this)."::delete sql=".$sql);
$resql = $this->db->query($sql);
@@ -355,7 +360,36 @@ class Task // extends CommonObject
}
}
/**
* \brief Return nb of children
* \return <0 if KO, 0 if no children, >0 if OK
*/
function hasChildren()
{
$ret=0;
$sql = "SELECT COUNT(*) as nb FROM ".MAIN_DB_PREFIX."projet_task";
$sql.= " WHERE fk_task_parent=".$this->id;
dolibarr_syslog(get_class($this)."::hasChildren sql=".$sql, LOG_DEBUG);
$resql = $this->db->query($sql);
if (! $resql) { $error++; $this->errors[]="Error ".$this->db->lasterror(); }
else
{
$obj=$this->db->fetch_object($resql);
if ($obj) $ret=$obj->nb;
}
if (! $error)
{
return $ret;
}
else
{
return -1;
}
}
/**
* \brief Initialise object with example values
* \remarks id must be 0 if object instance is a specimen.
@@ -371,8 +405,6 @@ class Task // extends CommonObject
$this->fk_user_creat='';
$this->statut='';
$this->note='';
}
}