diff --git a/htdocs/bookcal/availabilities_agenda.php b/htdocs/bookcal/availabilities_agenda.php
index b4b848f17ed..16673d6b8a3 100644
--- a/htdocs/bookcal/availabilities_agenda.php
+++ b/htdocs/bookcal/availabilities_agenda.php
@@ -88,8 +88,8 @@ if ($id > 0 || !empty($ref)) {
 // Set $enablepermissioncheck to 1 to enable a minimum low level of checks
 $enablepermissioncheck = 0;
 if ($enablepermissioncheck) {
-	$permissiontoread = $user->rights->bookcal->availabilities->read;
-	$permissiontoadd = $user->rights->bookcal->availabilities->write;
+	$permissiontoread = $user->hasRight('bookcal', 'availabilities', 'read');
+	$permissiontoadd = $user->hasRight('bookcal', 'availabilities', 'write');
 } else {
 	$permissiontoread = 1;
 	$permissiontoadd = 1;
@@ -100,7 +100,7 @@ if ($enablepermissioncheck) {
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/availabilities_card.php b/htdocs/bookcal/availabilities_card.php
index 7736229319d..ca9fd3bf8db 100644
--- a/htdocs/bookcal/availabilities_card.php
+++ b/htdocs/bookcal/availabilities_card.php
@@ -77,11 +77,11 @@ include DOL_DOCUMENT_ROOT.'/core/actions_fetchobject.inc.php'; // Must be includ
 // Set $enablepermissioncheck to 1 to enable a minimum low level of checks
 $enablepermissioncheck = 0;
 if ($enablepermissioncheck) {
-	$permissiontoread = $user->rights->bookcal->availabilities->read;
-	$permissiontoadd = $user->rights->bookcal->availabilities->write; // Used by the include of actions_addupdatedelete.inc.php and actions_lineupdown.inc.php
-	$permissiontodelete = $user->rights->bookcal->availabilities->delete || ($permissiontoadd && isset($object->status) && $object->status == $object::STATUS_DRAFT);
-	$permissionnote = $user->rights->bookcal->availabilities->write; // Used by the include of actions_setnotes.inc.php
-	$permissiondellink = $user->rights->bookcal->availabilities->write; // Used by the include of actions_dellink.inc.php
+	$permissiontoread = $user->hasRight('bookcal', 'availabilities', 'read');
+	$permissiontoadd = $user->hasRight('bookcal', 'availabilities', 'write'); // Used by the include of actions_addupdatedelete.inc.php and actions_lineupdown.inc.php
+	$permissiontodelete = $user->hasRight('bookcal', 'availabilities', 'delete') || ($permissiontoadd && isset($object->status) && $object->status == $object::STATUS_DRAFT);
+	$permissionnote = $user->hasRight('bookcal', 'availabilities', 'write'); // Used by the include of actions_setnotes.inc.php
+	$permissiondellink = $user->hasRight('bookcal', 'availabilities', 'write'); // Used by the include of actions_dellink.inc.php
 } else {
 	$permissiontoread = 1;
 	$permissiontoadd = 1; // Used by the include of actions_addupdatedelete.inc.php and actions_lineupdown.inc.php
@@ -97,7 +97,7 @@ $upload_dir = $conf->bookcal->multidir_output[isset($object->entity) ? $object->
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (isset($object->status) && ($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/availabilities_contact.php b/htdocs/bookcal/availabilities_contact.php
index 58bbc4826a4..8dfa04288f7 100644
--- a/htdocs/bookcal/availabilities_contact.php
+++ b/htdocs/bookcal/availabilities_contact.php
@@ -53,8 +53,8 @@ include DOL_DOCUMENT_ROOT.'/core/actions_fetchobject.inc.php'; // Must be includ
 // Set $enablepermissioncheck to 1 to enable a minimum low level of checks
 $enablepermissioncheck = 0;
 if ($enablepermissioncheck) {
-	$permissiontoread = $user->rights->bookcal->availabilities->read;
-	$permission = $user->rights->bookcal->availabilities->write;
+	$permissiontoread = $user->hasRight('bookcal', 'availabilities', 'read');
+	$permission = $user->hasRight('bookcal', 'availabilities', 'write');
 } else {
 	$permissiontoread = 1;
 	$permission = 1;
@@ -65,7 +65,7 @@ if ($enablepermissioncheck) {
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/availabilities_document.php b/htdocs/bookcal/availabilities_document.php
index 721f304d9d8..96700096ee6 100644
--- a/htdocs/bookcal/availabilities_document.php
+++ b/htdocs/bookcal/availabilities_document.php
@@ -78,8 +78,8 @@ if ($id > 0 || !empty($ref)) {
 // Set $enablepermissioncheck to 1 to enable a minimum low level of checks
 $enablepermissioncheck = 0;
 if ($enablepermissioncheck) {
-	$permissiontoread = $user->rights->bookcal->availabilities->read;
-	$permissiontoadd = $user->rights->bookcal->availabilities->write; // Used by the include of actions_addupdatedelete.inc.php and actions_linkedfiles.inc.php
+	$permissiontoread = $user->hasRight('bookcal', 'availabilities', 'read');
+	$permissiontoadd = $user->hasRight('bookcal', 'availabilities', 'write'); // Used by the include of actions_addupdatedelete.inc.php and actions_linkedfiles.inc.php
 } else {
 	$permissiontoread = 1;
 	$permissiontoadd = 1;
@@ -90,7 +90,7 @@ if ($enablepermissioncheck) {
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
@@ -192,9 +192,9 @@ if ($object->id) {
 	print dol_get_fiche_end();
 
 	$modulepart = 'bookcal';
-	//$permissiontoadd = $user->rights->bookcal->availabilities->write;
+	//$permissiontoadd = $user->hasRight('bookcal', 'availabilities', 'write');
 	$permissiontoadd = 1;
-	//$permtoedit = $user->rights->bookcal->availabilities->write;
+	//$permtoedit = $user->hasRight('bookcal', 'availabilities', 'write');
 	$permtoedit = 1;
 	$param = '&id='.$object->id;
 
diff --git a/htdocs/bookcal/availabilities_list.php b/htdocs/bookcal/availabilities_list.php
index 69594d45133..7c0ef05a02d 100644
--- a/htdocs/bookcal/availabilities_list.php
+++ b/htdocs/bookcal/availabilities_list.php
@@ -132,9 +132,9 @@ $arrayfields = dol_sort_array($arrayfields, 'position');
 // Set $enablepermissioncheck to 1 to enable a minimum low level of checks
 $enablepermissioncheck = 0;
 if ($enablepermissioncheck) {
-	$permissiontoread = $user->rights->bookcal->availabilities->read;
-	$permissiontoadd = $user->rights->bookcal->availabilities->write;
-	$permissiontodelete = $user->rights->bookcal->availabilities->delete;
+	$permissiontoread = $user->hasRight('bookcal', 'availabilities', 'read');
+	$permissiontoadd = $user->hasRight('bookcal', 'availabilities', 'write');
+	$permissiontodelete = $user->hasRight('bookcal', 'availabilities', 'delete');
 } else {
 	$permissiontoread = 1;
 	$permissiontoadd = 1;
@@ -147,7 +147,7 @@ if ($user->socid > 0) accessforbidden();
 //$socid = 0; if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, 0, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden('Module not enabled');
+if (!isModEnabled('bookcal')) accessforbidden('Module not enabled');
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/availabilities_note.php b/htdocs/bookcal/availabilities_note.php
index 0717e618864..27cdbbce880 100644
--- a/htdocs/bookcal/availabilities_note.php
+++ b/htdocs/bookcal/availabilities_note.php
@@ -56,9 +56,9 @@ if ($id > 0 || !empty($ref)) {
 // Set $enablepermissioncheck to 1 to enable a minimum low level of checks
 $enablepermissioncheck = 0;
 if ($enablepermissioncheck) {
-	$permissiontoread = $user->rights->bookcal->availabilities->read;
-	$permissiontoadd = $user->rights->bookcal->availabilities->write;
-	$permissionnote = $user->rights->bookcal->availabilities->write; // Used by the include of actions_setnotes.inc.php
+	$permissiontoread = $user->hasRight('bookcal', 'availabilities', 'read');
+	$permissiontoadd = $user->hasRight('bookcal', 'availabilities', 'write');
+	$permissionnote = $user->hasRight('bookcal', 'availabilities', 'write'); // Used by the include of actions_setnotes.inc.php
 } else {
 	$permissiontoread = 1;
 	$permissiontoadd = 1;
@@ -70,7 +70,7 @@ if ($enablepermissioncheck) {
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/bookcalindex.php b/htdocs/bookcal/bookcalindex.php
index b268c3b811e..b76c8e9972d 100644
--- a/htdocs/bookcal/bookcalindex.php
+++ b/htdocs/bookcal/bookcalindex.php
@@ -71,7 +71,7 @@ print '<div class="fichecenter"><div class="fichethirdleft">';
 
 // BEGIN MODULEBUILDER DRAFT MYOBJECT
 // Draft MyObject
-if ($user->rights->bookcal->availabilities->read && !empty($conf->bookcal->enabled)) {
+if ($user->hasRight('bookcal', 'availabilities', 'read') && isModEnabled('bookcal')) {
 	$langs->load("orders");
 
 	$sql = "SELECT rowid, `ref`, fk_soc, fk_project, description, note_public, note_private, date_creation, tms, fk_user_creat, fk_user_modif, last_main_doc, import_key, model_pdf, status, firstname, lastname, email, `start`, duration";
@@ -143,8 +143,7 @@ $max = $conf->global->MAIN_SIZE_SHORTLIST_LIMIT;
 
 /* BEGIN MODULEBUILDER LASTMODIFIED MYOBJECT
 // Last modified myobject
-if (! empty($conf->bookcal->enabled))
-{
+if (isModEnabled('bookcal')) {
 	$sql = "SELECT rowid, `ref`, fk_soc, fk_project, description, note_public, note_private, date_creation, tms, fk_user_creat, fk_user_modif, last_main_doc, import_key, model_pdf, status, firstname, lastname, email, `start`, duration";
 	$sql .= " FROM ". MAIN_DB_PREFIX . 'bookcal_booking';
 	print "here2";
diff --git a/htdocs/bookcal/booking_agenda.php b/htdocs/bookcal/booking_agenda.php
index 10452e6640f..b171b953b42 100644
--- a/htdocs/bookcal/booking_agenda.php
+++ b/htdocs/bookcal/booking_agenda.php
@@ -100,7 +100,7 @@ if ($enablepermissioncheck) {
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/booking_card.php b/htdocs/bookcal/booking_card.php
index 8ce99806e2a..623bf142e60 100644
--- a/htdocs/bookcal/booking_card.php
+++ b/htdocs/bookcal/booking_card.php
@@ -97,7 +97,7 @@ $upload_dir = $conf->bookcal->multidir_output[isset($object->entity) ? $object->
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (isset($object->status) && ($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/booking_contact.php b/htdocs/bookcal/booking_contact.php
index e315b320cad..ceec965f5b2 100644
--- a/htdocs/bookcal/booking_contact.php
+++ b/htdocs/bookcal/booking_contact.php
@@ -65,7 +65,7 @@ if ($enablepermissioncheck) {
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/booking_document.php b/htdocs/bookcal/booking_document.php
index d4147051716..aadcb0f14c9 100644
--- a/htdocs/bookcal/booking_document.php
+++ b/htdocs/bookcal/booking_document.php
@@ -90,7 +90,7 @@ if ($enablepermissioncheck) {
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/booking_list.php b/htdocs/bookcal/booking_list.php
index ad72f61de65..618e8e9bb0e 100644
--- a/htdocs/bookcal/booking_list.php
+++ b/htdocs/bookcal/booking_list.php
@@ -147,7 +147,7 @@ if ($user->socid > 0) accessforbidden();
 //$socid = 0; if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, 0, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden('Module not enabled');
+if (!isModEnabled('bookcal')) accessforbidden('Module not enabled');
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/booking_note.php b/htdocs/bookcal/booking_note.php
index c1f2146ec57..5b00686fc27 100644
--- a/htdocs/bookcal/booking_note.php
+++ b/htdocs/bookcal/booking_note.php
@@ -70,7 +70,7 @@ if ($enablepermissioncheck) {
 //if ($user->socid > 0) $socid = $user->socid;
 //$isdraft = (($object->status == $object::STATUS_DRAFT) ? 1 : 0);
 //restrictedArea($user, $object->element, $object->id, $object->table_element, '', 'fk_soc', 'rowid', $isdraft);
-if (empty($conf->bookcal->enabled)) accessforbidden();
+if (!isModEnabled('bookcal')) accessforbidden();
 if (!$permissiontoread) accessforbidden();
 
 
diff --git a/htdocs/bookcal/class/availabilities.class.php b/htdocs/bookcal/class/availabilities.class.php
index 6b4502e3364..c7e86a9f589 100644
--- a/htdocs/bookcal/class/availabilities.class.php
+++ b/htdocs/bookcal/class/availabilities.class.php
@@ -201,7 +201,7 @@ class Availabilities extends CommonObject
 		}
 
 		// Example to show how to set values of fields definition dynamically
-		/*if ($user->rights->bookcal->availabilities->read) {
+		/*if ($user->hasRight('bookcal', 'availabilities', 'read')) {
 			$this->fields['myfield']['visible'] = 1;
 			$this->fields['myfield']['noteditable'] = 0;
 		}*/
@@ -516,7 +516,7 @@ class Availabilities extends CommonObject
 			return 0;
 		}
 
-		/*if (! ((empty($conf->global->MAIN_USE_ADVANCED_PERMS) && ! empty($user->rights->bookcal->availabilities->write))
+		/*if (! ((empty($conf->global->MAIN_USE_ADVANCED_PERMS) && $user->hasRight('bookcal', 'availabilities', 'write'))
 		 || (! empty($conf->global->MAIN_USE_ADVANCED_PERMS) && ! empty($user->rights->bookcal->availabilities->availabilities_advance->validate))))
 		 {
 		 $this->error='NotEnoughPermissions';