feat: Job Scheduling (#3927)

* Adds back _JobSchedule as volatile class

* wip

* Restores jobs endpoints for creation, update and deletion

* Adds tests

* Fixes postgres tests

* Enforce jobName exists before creating a schedule

src/Routers/CloudCodeRouter.js

@@ -1,20 +1,76 @@
-import PromiseRouter from '../PromiseRouter';
-const triggers = require('../triggers');
+import PromiseRouter  from '../PromiseRouter';
+import Parse          from 'parse/node';
+import rest           from '../rest';
+const triggers        = require('../triggers');
+const middleware      = require('../middlewares');
+
+function formatJobSchedule(job_schedule) {
+  if (typeof job_schedule.startAfter === 'undefined') {
+    job_schedule.startAfter = new Date().toISOString();
+  }
+  return job_schedule;
+}
+
+function validateJobSchedule(config, job_schedule) {
+  const jobs = triggers.getJobs(config.applicationId) || {};
+  if (job_schedule.jobName && !jobs[job_schedule.jobName]) {
+    throw new Parse.Error(Parse.Error.INTERNAL_SERVER_ERROR, 'Cannot Schedule a job that is not deployed');
+  }
+}
 
 export class CloudCodeRouter extends PromiseRouter {
   mountRoutes() {
-    this.route('GET',`/cloud_code/jobs`, CloudCodeRouter.getJobs);
+    this.route('GET', '/cloud_code/jobs', middleware.promiseEnforceMasterKeyAccess, CloudCodeRouter.getJobs);
+    this.route('GET', '/cloud_code/jobs/data', middleware.promiseEnforceMasterKeyAccess, CloudCodeRouter.getJobsData);
+    this.route('POST', '/cloud_code/jobs', middleware.promiseEnforceMasterKeyAccess, CloudCodeRouter.createJob);
+    this.route('PUT', '/cloud_code/jobs/:objectId', middleware.promiseEnforceMasterKeyAccess, CloudCodeRouter.editJob);
+    this.route('DELETE', '/cloud_code/jobs/:objectId', middleware.promiseEnforceMasterKeyAccess, CloudCodeRouter.deleteJob);
   }
 
   static getJobs(req) {
+    return rest.find(req.config, req.auth, '_JobSchedule', {}, {}).then((scheduledJobs) => {
+      return {
+        response: scheduledJobs.results
+      }
+    });
+  }
+
+  static getJobsData(req) {
     const config = req.config;
     const jobs = triggers.getJobs(config.applicationId) || {};
-    return Promise.resolve({
-      response: Object.keys(jobs).map((jobName) => {
-        return {
-          jobName,
+    return rest.find(req.config, req.auth, '_JobSchedule', {}, {}).then((scheduledJobs) => {
+      return {
+        response: {
+          in_use: scheduledJobs.results.map((job) => job.jobName),
+          jobs: Object.keys(jobs),
         }
-      })
+      };
+    });
+  }
+
+  static createJob(req) {
+    const { job_schedule } = req.body;
+    validateJobSchedule(req.config, job_schedule);
+    return rest.create(req.config, req.auth, '_JobSchedule', formatJobSchedule(job_schedule), req.client);
+  }
+
+  static editJob(req) {
+    const { objectId } = req.params;
+    const { job_schedule } = req.body;
+    validateJobSchedule(req.config, job_schedule);
+    return rest.update(req.config, req.auth, '_JobSchedule', { objectId }, formatJobSchedule(job_schedule)).then((response) => {
+      return {
+        response
+      }
+    });
+  }
+
+  static deleteJob(req) {
+    const { objectId } = req.params;
+    return rest.del(req.config, req.auth, '_JobSchedule', objectId).then((response) => {
+      return {
+        response
+      }
     });
   }
 }