Update scripts

scripts/core/guide.ts

@@ -0,0 +1,55 @@
+import { Collection, Logger, DateTime, Storage, Zip } from '@freearhey/core'
+import { Channel } from 'epg-grabber'
+import { XMLTV } from '../core'
+import { CURR_DATE } from '../constants'
+
+type GuideProps = {
+  channels: Collection
+  programs: Collection
+  logger: Logger
+  filepath: string
+  gzip: boolean
+}
+
+export class Guide {
+  channels: Collection
+  programs: Collection
+  logger: Logger
+  storage: Storage
+  filepath: string
+  gzip: boolean
+
+  constructor({ channels, programs, logger, filepath, gzip }: GuideProps) {
+    this.channels = channels
+    this.programs = programs
+    this.logger = logger
+    this.storage = new Storage()
+    this.filepath = filepath
+    this.gzip = gzip || false
+  }
+
+  async save() {
+    const channels = this.channels.uniqBy(
+      (channel: Channel) => `${channel.xmltv_id}:${channel.site}`
+    )
+    const programs = this.programs
+
+    const xmltv = new XMLTV({
+      channels,
+      programs,
+      date: new DateTime(CURR_DATE, { zone: 'UTC' })
+    })
+
+    const xmlFilepath = this.filepath
+    this.logger.info(`  saving to "${xmlFilepath}"...`)
+    await this.storage.save(xmlFilepath, xmltv.toString())
+
+    if (this.gzip) {
+      const zip = new Zip()
+      const compressed = await zip.compress(xmltv.toString())
+      const gzFilepath = `${this.filepath}.gz`
+      this.logger.info(`  saving to "${gzFilepath}"...`)
+      await this.storage.save(gzFilepath, compressed)
+    }
+  }
+}