Update scripts

scripts/generators/citiesGenerator.ts

@@ -0,0 +1,43 @@
+import { City, Stream, Playlist } from '../models'
+import { Collection, Storage, File } from '@freearhey/core'
+import { PUBLIC_DIR, EOL } from '../constants'
+import { Generator } from './generator'
+
+type CitiesGeneratorProps = {
+  streams: Collection
+  cities: Collection
+  logFile: File
+}
+
+export class CitiesGenerator implements Generator {
+  streams: Collection
+  cities: Collection
+  storage: Storage
+  logFile: File
+
+  constructor({ streams, cities, logFile }: CitiesGeneratorProps) {
+    this.streams = streams.clone()
+    this.cities = cities
+    this.storage = new Storage(PUBLIC_DIR)
+    this.logFile = logFile
+  }
+
+  async generate(): Promise<void> {
+    const streams = this.streams
+      .orderBy((stream: Stream) => stream.getTitle())
+      .filter((stream: Stream) => stream.isSFW())
+
+    this.cities.forEach(async (city: City) => {
+      const cityStreams = streams.filter((stream: Stream) => stream.isBroadcastInCity(city))
+
+      if (cityStreams.isEmpty()) return
+
+      const playlist = new Playlist(cityStreams, { public: true })
+      const filepath = `cities/${city.code.toLowerCase()}.m3u`
+      await this.storage.save(filepath, playlist.toString())
+      this.logFile.append(
+        JSON.stringify({ type: 'city', filepath, count: playlist.streams.count() }) + EOL
+      )
+    })
+  }
+}