User creation not correctly managed if not defined

htdocs/actioncomm.class.php

@@ -88,7 +88,7 @@ class ActionComm
      *    \brief      Ajout d'une action en base
      *    \param      user      	auteur de la creation de l'action
  	 *    \param      notrigger		1 ne declenche pas les triggers, 0 sinon
-     *    \return     int         	id de l'action cr<EFBFBD><EFBFBD>e, < 0 si erreur
+     *    \return     int         	id de l'action creee, < 0 si erreur
      */
     function add($user,$notrigger=0)
     {
@@ -159,7 +159,7 @@ class ActionComm
         $sql.= ($this->durationa >= 0?"'".$this->durationa."'":"null").",";
         $sql.= "'".$this->type_id."', '".$this->societe->id."' ,'".addslashes($this->note)."',";
         $sql.= ($this->contact->id > 0?"'".$this->contact->id."'":"null").",";
-        $sql.= "'".$user->id."',";
+        $sql.= ($user->id > 0 ? "'".$user->id."'":"null").",";
 		$sql.= ($this->usertodo->id > 0?"'".$this->usertodo->id."'":"null").",";
 		$sql.= ($this->userdone->id > 0?"'".$this->userdone->id."'":"null").",";
 		$sql.= "'".addslashes($this->label)."','".$this->percentage."','".$this->priority."','".$this->punctual."',";

htdocs/comm/action/fiche.php

@@ -741,7 +741,8 @@ if ($_GET["id"])
 
 		// Input by
 		print '<tr><td width="30%" nowrap>'.$langs->trans("ActionAskedBy").'</td><td colspan="3">';
-		print $act->author->getNomUrl(1);
+		if ($act->author->id > 0) print $act->author->getNomUrl(1);
+		else print '&nbsp;';
 		print '</td></tr>';
 
 		// Affecte a

htdocs/contact.class.php

@@ -80,9 +80,9 @@ class Contact extends CommonObject
     }
 
     /**
-     *      \brief      Ajout d'un contact en base
-     *      \param      user        Utilisateur qui effectue l'ajout
-     *      \return     int         <0 si ko, >0 si ok
+     *      \brief      Add a contact in database
+     *      \param      user        Object user that create
+     *      \return     int         <0 if KO, >0 if OK
      */
     function create($user)
     {
@@ -98,7 +98,7 @@ class Contact extends CommonObject
         if ($this->socid > 0) $sql.= " ".$this->socid.",";
         else $sql.= "null,";
         $sql.= "'".addslashes($this->name)."',";
-        $sql.= $user->id.",";
+		$sql.= " ".($user->id > 0 ? "'".$user->id."'":"null").",";
         $sql.= $this->priv;
         $sql.= ")";
         
@@ -178,7 +178,7 @@ class Contact extends CommonObject
         $sql .= ", phone_mobile = '".addslashes($this->phone_mobile)."'";
         $sql .= ", jabberid = '".addslashes($this->jabberid)."'";
         $sql .= ", priv = '".$this->priv."'";
-        if ($user) $sql .= ", fk_user_modif=".$user->id;
+        $sql .= ", fk_user_modif=".($user->id > 0 ? "'".$user->id."'":"null");
         $sql .= " WHERE rowid=".$id;
 
         dolibarr_syslog("Contact::update sql=".$sql,LOG_DEBUG);