Sets the defaultSchemas keys in the SchemaCollection

spec/schemas.spec.js

@@ -326,6 +326,38 @@ describe('schemas', () => {
     });
   });
 
+  it('responds with all fields when you create a _User', done => {
+    request.post({
+      url: 'http://localhost:8378/1/schemas',
+      headers: masterKeyHeaders,
+      json: true,
+      body: {
+        className: "_User",
+        fields: {
+          foo: {type: 'Number'},
+        }
+      }
+    }, (error, response, body) => {
+      expect(body).toEqual({
+        className: '_User',
+        fields: {
+          ACL: {type: 'ACL'},
+          createdAt: {type: 'Date'},
+          updatedAt: {type: 'Date'},
+          objectId: {type: 'String'},
+          foo: {type: 'Number'},
+          username: { type: 'String' },
+          password: { type: 'String' },
+          authData: { type: 'Object' },
+          email: { type: 'String' },
+          emailVerified: { type: 'Boolean' },
+        },
+        classLevelPermissions: defaultClassLevelPermissions
+      });
+      done();
+    });
+  });
+
   it('lets you specify class name in both places', done => {
     request.post({
       url: 'http://localhost:8378/1/schemas/NewClass',

src/Routers/SchemasRouter.js

@@ -14,16 +14,34 @@ function classNameMismatchResponse(bodyClass, pathClass) {
   );
 }
 
+function injectDefaultSchema(schema) {
+  if (Array.isArray(schema)) {
+    let schemas = schema.map((s) => {
+      return injectDefaultSchema(s);
+    });
+    return schemas;
+  }
+  let defaultSchema = Schema.defaultColumns[schema.className];
+  if (defaultSchema) {
+    Object.keys(defaultSchema).forEach((key) => {
+      schema.fields[key] = defaultSchema[key];
+    });
+  }
+  return schema;
+}
+
 function getAllSchemas(req) {
   return req.config.database.schemaCollection()
     .then(collection => collection.getAllSchemas())
+    .then(schemas => injectDefaultSchema(schemas))
     .then(schemas => ({ response: { results: schemas } }));
 }
 
 function getOneSchema(req) {
   const className = req.params.className;
   return req.config.database.schemaCollection()
     .then(collection => collection.findSchema(className))
+    .then(schema => injectDefaultSchema(schema))
     .then(schema => ({ response: schema }))
     .catch(error => {
       if (error === undefined) {

src/Schema.js

@@ -848,4 +848,5 @@ export {
   schemaAPITypeToMongoFieldType,
   buildMergedSchemaObject,
   systemClasses,
+  defaultColumns,
 };