(js) Prohibit subscribing a user with no rights

NEWS

@@ -1,3 +1,9 @@
+4.X.Y (2018-MM-DD)
+------------------
+
+Enhancements
+ - [web] prohibit subscribing a user with no rights
+
 4.0.2 (2018-08-24)
 ------------------
 

UI/Templates/UIxAclEditor.wox

@@ -77,7 +77,7 @@
           <var:if condition="canSubscribeUsers">
             <md-checkbox ng-model="user.isSubscribed"
                          label:arial-label="Subscribe User"
-                         ng-disabled="user.wasSubscribed"
+                         ng-disabled="user.wasSubscribed || acl.hasNoRight(user)"
                          ng-true-value="1"
                          ng-false-value="0"
                          ng-hide="user.$isSpecial()">

UI/WebServerResources/js/Common/Acl.service.js

@@ -145,6 +145,22 @@
     });
   };
 
+  /**
+   * @function $hasNoRight
+   * @memberof Acl.prototype
+   * @desc Check if user has any rights on the resource
+   * @return true if user has no right at all
+   */
+  Acl.prototype.$hasNoRight = function(user) {
+    var o = _.find(user.rights, function(value, right) {
+      if (angular.isNumber(value))
+        return (value === 1);
+      else
+        return (value !== 'None');
+    });
+    return _.isUndefined(o);
+  };
+
   /**
    * @function $resetUsersRights
    * @memberof Acl.prototype

UI/WebServerResources/js/Common/AclController.js

@@ -26,6 +26,7 @@
     vm.addUser = addUser;
     vm.selectAllRights = selectAllRights;
     vm.selectUser = selectUser;
+    vm.hasNoRight = hasNoRight;
     vm.showRights = showRights;
     vm.confirmation = { showing: false,
                         message: ''};
@@ -104,6 +105,10 @@
       }
     }
 
+    function hasNoRight(user) {
+      return folder.$acl.$hasNoRight(user);
+    }
+
     function showRights(user) {
       return vm.selectedUid == user.uid && !user.inactive;
     }