fix user deletion of credentials

should use a where clause with destroyAll

server/boot/a-extendUser.js

@@ -1,32 +1,36 @@
 var Rx = require('rx');
 var debug = require('debug')('freecc:user:remote');
 
-function destroyById(id, Model) {
+function destroyAllRelated(id, Model) {
-  return Rx.Observable.create(function(observer) {
+  return Rx.Observable.fromNodeCallback(
-    Model.destroyById(id, function(err) {
+    Model.destroyAll,
-      if (err) { return observer.onError(err); }
+    Model
-      observer.onCompleted();
+  )({ userId: id });
-    });
-    return Rx.Disposable(Rx.helpers.noop);
-  });
 }
 
 module.exports = function(app) {
   var User = app.models.User;
   var UserIdentity = app.models.UserIdentity;
   var UserCredential = app.models.UserCredential;
-  User.observe('after delete', function(ctx, next) {
+  User.observe('before delete', function(ctx, next) {
     debug('removing user', ctx.where);
     var id = ctx.where && ctx.where.id ? ctx.where.id : null;
     if (!id) {
       return next();
     }
     Rx.Observable.combineLatest(
-      destroyById(id, UserIdentity),
+      destroyAllRelated(id, UserIdentity),
-      destroyById(id, UserCredential),
+      destroyAllRelated(id, UserCredential),
-      Rx.helpers.noop
+      function(identData, credData) {
+        return {
+          identData: identData,
+          credData: credData
+        };
+      }
     ).subscribe(
-      Rx.helpers.noop,
+      function(data) {
+        debug('deleted', data);
+      },
       function(err) {
         debug('error deleting user %s stuff', id, err);
         next(err);