Fix the type name for a property if model class is used

See https://github.com/strongloop/loopback-explorer/issues/32

lib/model-helper.js

@@ -83,7 +83,9 @@ var modelHelper = module.exports = {
    */ 
   getPropType: function getPropType(propType) {
     if (typeof propType === 'function') {
-      propType = propType.name.toLowerCase();
+      // See https://github.com/strongloop/loopback-explorer/issues/32
+      // The type can be a model class
+      propType = propType.modelName || propType.name.toLowerCase();
     } else if(Array.isArray(propType)) {
       propType = 'array';
     }

test/model-helper.test.js

@@ -1,6 +1,7 @@
 'use strict';
 
 var modelHelper = require('../lib/model-helper');
+var loopback = require('loopback');
 var expect = require('chai').expect;
 
 describe('model-helper', function() {
@@ -109,6 +110,17 @@ describe('model-helper', function() {
         var prop = def.properties.array;
         expect(prop).to.eql({ type: 'array', items: { type: 'any' } });
       });
+
+      it('converts Model type', function() {
+        var Address = loopback.createModel('Address', {street: String});
+        var def = buildSwaggerModels({
+          str: String,
+          address: Address
+        });
+        var prop = def.properties.address;
+        expect(prop).to.eql({ type: 'Address' });
+      });
+
     });
   });
   describe('related models', function() {