deemixer/server/src/main.ts

// @ts-ignore
import { Deezer } from 'deezer-js'

console.log("init!")
const dz = new Deezer()
let homeCache: any, chartsCache: any

export async function getHome(){
  if (!homeCache){
    homeCache = await dz.api.get_chart(0, {limit: 30})
  }
  return homeCache
}

export async function getCharts(){
  if (!chartsCache){
    const chartsData = await dz.api.get_countries_charts()
    let countries: any[] = []
    chartsData.forEach((country: any) => {
      countries.push({
        title: country.title.replace("Top ", ""),
        id: country.id,
        picture_small: country.picture_small,
        picture_medium: country.picture_medium,
        picture_big: country.picture_big,
      })
    })
    chartsCache = {data: countries}
  }
  return chartsCache
}

export async function getTracklist(list_id: string, list_type: string){
  switch (list_type) {
    case 'artist':
      let artistAPI = await dz.api.get_artist(list_id)
      artistAPI.releases = await dz.gw.get_artist_discography_tabs(list_id, 100)
      return artistAPI
    default:
      let releaseAPI = await dz.api[`get_${list_type}`](list_id)
      let releaseTracksAPI = await dz.api[`get_${list_type}_tracks`](list_id)
      releaseTracksAPI = releaseTracksAPI['data']

      let tracks: any[] = []
      const showdiscs = (list_type == 'album' && releaseTracksAPI.length && releaseTracksAPI[releaseTracksAPI.length -1].disk_number != 1)
      let current_disk = 0

      releaseTracksAPI.forEach((track: any) => {
        if (showdiscs && parseInt(track.disk_number) !== current_disk){
          current_disk = parseInt(track.disk_number)
          tracks.push({type: 'disc_separator', number: current_disk})
        }
        track.selected = false
        tracks.push(track)
      })
      releaseAPI.tracks = tracks
      return releaseAPI
      break
  }
}

export async function searchAll(term: string){
  let results = await dz.gw.search(term)
  let order: string[] = []
  results.ORDER.forEach((element: string) => {
    if (['TOP_RESULT', 'TRACK', 'ALBUM', 'ARTIST', 'PLAYLIST'].indexOf(element) != -1) order.push(element)
  })
  if (results.TOP_RESULT && results.TOP_RESULT.length){
    let originalTopResult = results.TOP_RESULT[0]
    let topResult: any = {
      type: originalTopResult.__TYPE__
    }
    switch (topResult.type) {
      case 'artist':
        topResult.id = originalTopResult.ART_ID
        topResult.picture = `https://e-cdns-images.dzcdn.net/images/artist/${originalTopResult.ART_PICTURE}`
        topResult.title = originalTopResult.ART_NAME
        topResult.nb_fan = originalTopResult.NB_FAN
        break
      case 'album':
        topResult.id = originalTopResult.ALB_ID
        topResult.picture = `https://e-cdns-images.dzcdn.net/images/cover/${originalTopResult.ALB_PICTURE}`
        topResult.title = originalTopResult.ALB_TITLE
        topResult.artist = originalTopResult.ART_NAME
        topResult.nb_song = originalTopResult.NUMBER_TRACK
        break
      case 'playlist':
        topResult.id = originalTopResult.PLAYLIST_ID
        topResult.picture = `https://e-cdns-images.dzcdn.net/images/${originalTopResult.PICTURE_TYPE}/${originalTopResult.PLAYLIST_PICTURE}`
        topResult.title = originalTopResult.TITLE
        topResult.artist = originalTopResult.PARENT_USERNAME
        topResult.nb_song = originalTopResult.NB_SONG
        break
      default:
        topResult.id = "0"
        topResult.picture = 'https://e-cdns-images.dzcdn.net/images/cover'
        break;
    }
  }
  results.ORDER = order
  return results
}

export async function search(term: string, type: string, start: number, nb: number){
  switch (type) {
    case 'track':
      return await dz.api.search_track(term, {limit: nb, index: start})
    case 'album':
      return await dz.api.search_album(term, {limit: nb, index: start})
    case 'artist':
      return await dz.api.search_artist(term, {limit: nb, index: start})
    case 'playlist':
      return await dz.api.search_playlist(term, {limit: nb, index: start})
    case 'radio':
      return await dz.api.search_radio(term, {limit: nb, index: start})
    case 'user':
      return await dz.api.search_user(term, {limit: nb, index: start})
    default:
      return await dz.api.search(term, {limit: nb, index: start})
  }
}