feat: Add atomic operations for Cloud Config parameters

spec/ParseGlobalConfig.spec.js

@@ -28,7 +28,7 @@ describe('a GlobalConfig', () => {
         },
         query,
         {
-          params: { companies: ['US', 'DK'], internalParam: 'internal' },
+          params: { companies: ['US', 'DK'], counter: 20, internalParam: 'internal' },
           masterKeyOnly: { internalParam: true },
         }
       )
@@ -114,6 +114,34 @@ describe('a GlobalConfig', () => {
     });
   });
 
+  it_only_db('mongo')('can addUnique', async () => {
+    await Parse.Config.save({ companies: { __op: 'AddUnique', objects: ['PA', 'RS', 'E'] }  });
+    const config = await Parse.Config.get();
+    const companies = config.get('companies');
+    expect(companies).toEqual(['US', 'DK', 'PA', 'RS', 'E']);
+  });
+
+  it_only_db('mongo')('can add to array', async () => {
+    await Parse.Config.save({ companies: { __op: 'Add', objects: ['PA'] }  });
+    const config = await Parse.Config.get();
+    const companies = config.get('companies');
+    expect(companies).toEqual(['US', 'DK', 'PA']);
+  });
+
+  it_only_db('mongo')('can remove from array', async () => {
+    await Parse.Config.save({ companies: { __op: 'Remove', objects: ['US'] }  });
+    const config = await Parse.Config.get();
+    const companies = config.get('companies');
+    expect(companies).toEqual(['DK']);
+  });
+
+  it('can increment', async () => {
+    await Parse.Config.save({ counter: { __op: 'Increment', amount: 49 }  });
+    const config = await Parse.Config.get();
+    const counter = config.get('counter');
+    expect(counter).toEqual(69);
+  });
+
   it('can add and retrive files', done => {
     request({
       method: 'PUT',
@@ -165,6 +193,7 @@ describe('a GlobalConfig', () => {
       body: {
         params: {
           companies: { __op: 'Delete' },
+          counter: { __op: 'Delete' },
           internalParam: { __op: 'Delete' },
           foo: 'bar',
         },
@@ -183,6 +212,7 @@ describe('a GlobalConfig', () => {
         try {
           expect(response.status).toEqual(200);
           expect(body.params.companies).toBeUndefined();
+          expect(body.params.counter).toBeUndefined();
           expect(body.params.foo).toBe('bar');
           expect(Object.keys(body.params).length).toBe(1);
         } catch (e) {

src/Routers/GlobalConfigRouter.js

@@ -46,7 +46,7 @@ export class GlobalConfigRouter extends PromiseRouter {
       return acc;
     }, {});
     return req.config.database
-      .update('_GlobalConfig', { objectId: '1' }, update, { upsert: true })
+      .update('_GlobalConfig', { objectId: '1' }, update, { upsert: true }, true)
       .then(() => ({ response: { result: true } }));
   }