Episode Download Script

.gitignore

@@ -1,4 +1,5 @@
 /dist
+/episodes
 /generated
 /log
 /node_modules

README.md

@@ -24,3 +24,11 @@ npm start
 ```
 
 This will bring up the dev server on [localhost:3000](http://localhost:3000).
+
+## Episode download
+
+Download all episode mp3 and image files:
+
+```bash
+EPISODES_DIR=./episodes npm run episodes
+```

package.json

@@ -17,6 +17,7 @@
   "scripts": {
     "clean": "rm -rf dist generated && mkdir -p dist generated",
     "fetch": "node tasks/fetch_feed.js",
+    "episodes": "npm run fetch && mkdir -p episodes && node tasks/fetch_episodes.js",
     "copy": "cp -r static/* dist && cp node_modules/amplitudejs/dist/amplitude.min.js dist/js/player.js",
     "init": "npm-run-all clean -p fetch copy build:data",
     "start": "NODE_ENV=development npm-run-all init -p start:*",
@@ -43,7 +44,7 @@
     "amplitudejs": "5.3.2"
   },
   "devDependencies": {
-    "autoprefixer": "10.4.0",
+    "autoprefixer": "10.4.1",
     "broken-link-checker": "0.7.8",
     "browser-sync": "2.27.7",
     "csso-cli": "3.0.0",
@@ -57,18 +58,18 @@
     "node-file-rev": "1.1.4",
     "npm-run-all": "4.1.5",
     "onchange": "7.1.0",
-    "postcss": "8.4.4",
+    "postcss": "8.4.5",
     "postcss-calc": "8.0.0",
     "postcss-cli": "9.1.0",
     "postcss-custom-media": "8.0.0",
     "postcss-extend": "1.0.5",
     "postcss-import": "14.0.2",
     "postcss-media-variables": "2.0.1",
-    "postcss-nesting": "10.0.2",
+    "postcss-nesting": "10.1.1",
     "pug": "3.0.2",
     "serve": "13.0.2",
     "start-server-and-test": "1.14.0",
     "sync-request": "6.1.0",
-    "xml-formatter": "2.5.1"
+    "xml-formatter": "2.6.0"
   }
 }

tasks/fetch_episodes.js

@@ -0,0 +1,31 @@
+const { statSync, writeFileSync } = require('fs')
+const { join, resolve } = require('path')
+const request = require('sync-request')
+const episodes = require('../generated/episodes.json')
+
+const dir = process.env.EPISODES_DIR || resolve(__dirname, '..', 'episodes')
+const write = (name, data) => writeFileSync(join(dir, name), data)
+const exists = filePath => {
+  try {
+    const stat = statSync(filePath)
+    return stat.isFile() || stat.isDirectory()
+  } catch (err) {
+    return false
+  }
+}
+
+const download = (url, name) => {
+  const filePath = join(dir, name)
+  if (exists(filePath)) {
+    console.log(`${name} already exists`)
+  } else {
+    console.log(`Downloading ${name}`)
+    write(name, request('GET', url).getBody())
+  }
+}
+
+episodes.forEach(e => {
+  const { slug, enclosure: { url: mp3Url }, image: imgUrl } = e
+  if (mp3Url.startsWith('http')) download(mp3Url, `${slug}.mp3`)
+  if (imgUrl.startsWith('http')) download(imgUrl, `${slug}.jpg`)
+})