From b71d704bcd5e6d22db60a6b966c1afab56045382 Mon Sep 17 00:00:00 2001
From: Hyeseong Kim <tim@daangn.com>
Date: Fri, 18 Feb 2022 03:34:42 +0900
Subject: [PATCH] Add integrated fields endpoint for Greenhouse content

---
 _workers/prismic-if-greenhouse/.gitignore    |   1 +
 _workers/prismic-if-greenhouse/package.json  |  20 ++++
 _workers/prismic-if-greenhouse/src/worker.ts | 103 +++++++++++++++++++
 _workers/prismic-if-greenhouse/tsconfig.json |   8 ++
 _workers/prismic-if-greenhouse/wrangler.toml |  12 +++
 5 files changed, 144 insertions(+)
 create mode 100644 _workers/prismic-if-greenhouse/.gitignore
 create mode 100644 _workers/prismic-if-greenhouse/package.json
 create mode 100644 _workers/prismic-if-greenhouse/src/worker.ts
 create mode 100644 _workers/prismic-if-greenhouse/tsconfig.json
 create mode 100644 _workers/prismic-if-greenhouse/wrangler.toml

diff --git a/_workers/prismic-if-greenhouse/.gitignore b/_workers/prismic-if-greenhouse/.gitignore
new file mode 100644
index 000000000..178135c2b
--- /dev/null
+++ b/_workers/prismic-if-greenhouse/.gitignore
@@ -0,0 +1 @@
+/dist/
diff --git a/_workers/prismic-if-greenhouse/package.json b/_workers/prismic-if-greenhouse/package.json
new file mode 100644
index 000000000..d62f02341
--- /dev/null
+++ b/_workers/prismic-if-greenhouse/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "prismic-if-greenhouse",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "main": "./dist/worker.js",
+  "scripts": {
+    "wrangler": "wrangler"
+  },
+  "dependencies": {
+    "greenhouse-jobboard-js": "^0.3.0",
+    "worktop": "0.7.3"
+  },
+  "devDependencies": {
+    "@cloudflare/workers-types": "3.3.1",
+    "@cloudflare/wrangler": "1.19.8",
+    "esbuild": "0.14.22",
+    "typescript": "4.5.5"
+  }
+}
diff --git a/_workers/prismic-if-greenhouse/src/worker.ts b/_workers/prismic-if-greenhouse/src/worker.ts
new file mode 100644
index 000000000..d35fb835e
--- /dev/null
+++ b/_workers/prismic-if-greenhouse/src/worker.ts
@@ -0,0 +1,103 @@
+/// <reference types="@cloudflare/workers-types" />
+
+import { Router } from 'worktop';
+import * as CORS from 'worktop/cors';
+import * as Cache from 'worktop/cache';
+import { JobBoardClientV1 } from 'greenhouse-jobboard-js';
+
+const API = new Router();
+
+API.prepare = CORS.preflight();
+
+const MAX_PER_PAGE = 50;
+
+API.add('GET', '/if/boards/:boardToken/jobs', async (req, res) => {
+  const { boardToken } = req.params;
+  const page = +(req.query.get('page') || 1);
+  const offset = (page - 1) * MAX_PER_PAGE;
+
+  const jobBoardClient = new JobBoardClientV1({
+    boardToken,
+    client: jsonClient,
+  });
+
+  const jobs = await jobBoardClient.getJobListWithContent();
+  const jobsSlice = jobs.slice(offset, MAX_PER_PAGE);
+
+  const result: IntegrationFieldsFormat = {
+    results_size: jobs.length,
+    results: jobsSlice.map(job => ({
+      id: job.id.toString(),
+      title: job.title,
+      description: '',
+      image_url: '',
+      last_update: new Date(job.updated_at).getTime(),
+      blob: job,
+    })),
+  };
+
+  res.send(200, result);
+});
+
+API.add('GET', '/if/boards/:boardToken/departments', async (req, res) => {
+  const { boardToken } = req.params;
+  const page = +(req.query.get('page') || 1);
+  const offset = (page - 1) * MAX_PER_PAGE;
+
+  const jobBoardClient = new JobBoardClientV1({
+    boardToken,
+    client: jsonClient,
+  });
+
+  const departments = await jobBoardClient.getDepartmentList();
+  const leafDepartments = departments
+    .filter(department => department.id !== 0)
+    .filter(department => !department.child_ids.length);
+  const departmentsSlice = leafDepartments.slice(offset, MAX_PER_PAGE);
+
+  const result: IntegrationFieldsFormat = {
+    results_size: leafDepartments.length,
+    results: departmentsSlice.map(department => ({
+      id: department.id.toString(),
+      title: department.name,
+      description: '',
+      image_url: '',
+      last_update: Date.now(),
+      blob: department,
+    })),
+  };
+
+  res.send(200, result);
+});
+
+Cache.listen(API.run);
+
+type IntegrationFieldsFormat = {
+  results_size: number,
+  results: IntegrationFieldsItem[],
+};
+
+type IntegrationFieldsItem = {
+  id: string,
+  title: string,
+  description: string,
+  image_url: string,
+  last_update: number,
+  blob: unknown,
+};
+
+const jsonClient = {
+  async get(url: URL) {
+    try {
+      const response = await fetch(url.toString());
+      const body = await response.json();
+      return body;
+    } catch (cause) {
+      throw new Error(
+        `Failed to fetch the resource from job board: ${url.toString()}`,
+        // @ts-ignore
+        { cause },
+      );
+    }
+  },
+};
diff --git a/_workers/prismic-if-greenhouse/tsconfig.json b/_workers/prismic-if-greenhouse/tsconfig.json
new file mode 100644
index 000000000..b888bb583
--- /dev/null
+++ b/_workers/prismic-if-greenhouse/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "lib": ["DOM.Iterable", "WebWorker", "ES2020"],
+    "strict": true,
+    "esModuleInterop": true,
+    "downlevelIteration": true
+  }
+}
diff --git a/_workers/prismic-if-greenhouse/wrangler.toml b/_workers/prismic-if-greenhouse/wrangler.toml
new file mode 100644
index 000000000..bc434bbf8
--- /dev/null
+++ b/_workers/prismic-if-greenhouse/wrangler.toml
@@ -0,0 +1,12 @@
+name = 'prismic-if-greenhouse'
+type = 'javascript'
+compatibility_date = '2022-02-17'
+account_id = 'aad5c82543cd1f267b89737d0f56405e'
+usage_model = 'unbound'
+workers_dev = true
+
+[build]
+command = 'yarn esbuild src/worker.ts --bundle --outfile=dist/worker.js --format=esm'
+
+[build.upload]
+format = 'service-worker'