code demo for jobs api v3 (#1007)

jobs/v3/README.md

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+<img src="https://avatars2.githubusercontent.com/u/2810941?v=3&s=96" alt="Google Cloud Platform logo" title="Google Cloud Platform" align="right" height="96" width="96"/>
+
+# Google Cloud Job Discovery API Node.js Samples
+
+Cloud Job Discovery is part of Google for Jobs - a Google-wide commitment to help
+people find jobs more easily. Job Discovery provides plug and play access to 
+Google’s search and machine learning capabilities, enabling the entire recruiting
+ecosystem - company career sites, job boards, applicant tracking systems, and
+staffing agencies to improve job site engagement and candidate conversion.
+
+## Table of Contents
+
+* [Setup](#setup)
+* [Running the tests](#running-the-tests)
+
+## Setup
+
+1.  Read [Prerequisites][prereq] and [How to run a sample][run] first.
+1.  Install dependencies:
+
+        npm install
+
+[prereq]: ../../README.md#prerequisites
+[run]: ../../README.md#how-to-run-a-sample
+
+## Running the tests
+
+1.  Set the **GCLOUD_PROJECT** and **GOOGLE_APPLICATION_CREDENTIALS** environment variables.
+
+1.  Run all tests:
+
+        npm test
+1.  Run test one by one:
+
+        cd system-test
+        ava quickstart.test.js

jobs/v3/auto-complete-sample.js

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+/**
+ * Copyright 2018, Google, LLC.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+'use strict';
+
+const basicCompanySample = require(`./basic-company-sample`);
+const basicJobSample = require(`./basic-job-sample`);
+const createAuthCredential = require('./create-auth-credential');
+
+const PROJECT_ID = process.env.GOOGLE_CLOUD_PROJECT;
+
+/**
+ * The samples in this file introduced how to do the auto complete, including:
+ *
+ * - Default auto complete (on both company display name and job title)
+ *
+ * - Auto complete on job title only
+ */
+
+//[START auto_complete_job_title]
+
+/**
+ * Auto completes job titles within given companyName.
+ */
+const jobTitleAutoComplete = async (jobServiceClient, query, companyName) => {
+  try {
+    const request = {
+      name: `projects/${PROJECT_ID}`,
+      query: query,
+      languageCode: 'en-US',
+      type: 'JOB_TITLE',
+      pageSize: 10,
+    };
+
+    if (companyName) {
+      request.companyName = companyName;
+    }
+
+    const complete = await jobServiceClient.projects.complete(request);
+
+    console.log(JSON.stringify(complete.data));
+  } catch (e) {
+    console.error(e);
+    throw e;
+  }
+};
+// [END auto_complete_job_title]
+
+// [START auto_complete_default]
+
+/**
+ * Auto completes job titles within given companyName.
+ */
+const defaultAutoComplete = async (jobServiceClient, query, companyName) => {
+  try {
+    const request = {
+      name: `projects/${PROJECT_ID}`,
+      query: query,
+      languageCode: 'en-US',
+      pageSize: 10,
+    };
+
+    if (companyName) {
+      request.companyName = companyName;
+    }
+
+    const complete = await jobServiceClient.projects.complete(request);
+
+    console.log(JSON.stringify(complete.data));
+  } catch (e) {
+    console.error(e);
+    throw e;
+  }
+};
+// [END auto_complete_default]
+
+// Run Sample
+(async () => {
+  try {
+    // Create an authorized client
+    const jobServiceClient = await createAuthCredential();
+
+    // Create a company
+    const companyToBeCreated = basicCompanySample.generateCompany();
+    const companyCreated = await basicCompanySample.createCompany(
+      jobServiceClient,
+      companyToBeCreated
+    );
+    const companyName = companyCreated.name;
+
+    // Construct a job
+    const jobToBeCreated = basicJobSample.generateJobWithRequiredFields(
+      companyName
+    );
+    jobToBeCreated.title = 'Software engineer';
+    const jobCreated = await basicJobSample.createJob(
+      jobServiceClient,
+      jobToBeCreated
+    );
+    const jobName = jobCreated.name;
+
+    await defaultAutoComplete(jobServiceClient, 'goo', companyName);
+    await defaultAutoComplete(jobServiceClient, 'sof', companyName);
+    await jobTitleAutoComplete(jobServiceClient, 'sof', companyName);
+
+    // Delete job and company
+    await basicJobSample.deleteJob(jobServiceClient, jobName);
+    await basicCompanySample.deleteCompany(jobServiceClient, companyName);
+  } catch (e) {
+    console.error(e);
+    throw e;
+  }
+})();