subtracks/app/subsonic/responses.ts

import {
  AlbumID3Element,
  ArtistElement,
  ArtistID3Element,
  ArtistInfo2Element,
  ArtistInfoElement,
  ChildElement,
  DirectoryElement,
  PlaylistElement,
  PlaylistWithSongsElement,
} from '@app/subsonic/elements'

export type ResponseStatus = 'ok' | 'failed'

export class SubsonicResponse<T> {
  status: ResponseStatus
  version: string
  data: T

  constructor(xml: Document, data: T) {
    this.data = data
    this.status = xml.documentElement.getAttribute('status') as ResponseStatus
    this.version = xml.documentElement.getAttribute('version') as string
  }
}

//
// Browsing
//

export class GetArtistsResponse {
  ignoredArticles: string
  artists: ArtistID3Element[] = []

  constructor(xml: Document) {
    this.ignoredArticles = xml.getElementsByTagName('artists')[0].getAttribute('ignoredArticles') as string

    const artistElements = xml.getElementsByTagName('artist')
    for (let i = 0; i < artistElements.length; i++) {
      this.artists.push(new ArtistID3Element(artistElements[i]))
    }
  }
}

export class GetArtistResponse {
  artist: ArtistID3Element
  albums: AlbumID3Element[] = []

  constructor(xml: Document) {
    this.artist = new ArtistID3Element(xml.getElementsByTagName('artist')[0])

    const albumElements = xml.getElementsByTagName('album')
    for (let i = 0; i < albumElements.length; i++) {
      this.albums.push(new AlbumID3Element(albumElements[i]))
    }
  }
}

export class GetIndexesResponse {
  ignoredArticles: string
  lastModified: number
  artists: ArtistElement[] = []

  constructor(xml: Document) {
    const indexesElement = xml.getElementsByTagName('indexes')[0]

    this.ignoredArticles = indexesElement.getAttribute('ignoredArticles') as string
    this.lastModified = parseInt(indexesElement.getAttribute('lastModified') as string)

    const artistElements = xml.getElementsByTagName('artist')
    for (let i = 0; i < artistElements.length; i++) {
      this.artists.push(new ArtistElement(artistElements[i]))
    }
  }
}

export class GetArtistInfoResponse {
  artistInfo: ArtistInfoElement

  constructor(xml: Document) {
    this.artistInfo = new ArtistInfoElement(xml.getElementsByTagName('artistInfo')[0])
  }
}

export class GetArtistInfo2Response {
  artistInfo: ArtistInfo2Element

  constructor(xml: Document) {
    this.artistInfo = new ArtistInfo2Element(xml.getElementsByTagName('artistInfo2')[0])
  }
}

export class GetMusicDirectoryResponse {
  directory: DirectoryElement
  children: ChildElement[] = []

  constructor(xml: Document) {
    this.directory = new DirectoryElement(xml.getElementsByTagName('directory')[0])

    const childElements = xml.getElementsByTagName('child')
    for (let i = 0; i < childElements.length; i++) {
      this.children.push(new ChildElement(childElements[i]))
    }
  }
}

export class GetAlbumResponse {
  album: AlbumID3Element
  songs: ChildElement[] = []

  constructor(xml: Document) {
    this.album = new AlbumID3Element(xml.getElementsByTagName('album')[0])

    const childElements = xml.getElementsByTagName('song')
    for (let i = 0; i < childElements.length; i++) {
      this.songs.push(new ChildElement(childElements[i]))
    }
  }
}

export class GetTopSongsResponse {
  songs: ChildElement[] = []

  constructor(xml: Document) {
    const childElements = xml.getElementsByTagName('song')
    for (let i = 0; i < childElements.length; i++) {
      this.songs.push(new ChildElement(childElements[i]))
    }
  }
}

//
// Album/song lists
//

class BaseGetAlbumListResponse<T> {
  albums: T[] = []

  constructor(xml: Document, albumType: new (e: Element) => T) {
    const albumElements = xml.getElementsByTagName('album')
    for (let i = 0; i < albumElements.length; i++) {
      this.albums.push(new albumType(albumElements[i]))
    }
  }
}

export class GetAlbumListResponse extends BaseGetAlbumListResponse<ChildElement> {
  constructor(xml: Document) {
    super(xml, ChildElement)
  }
}

export class GetAlbumList2Response extends BaseGetAlbumListResponse<AlbumID3Element> {
  constructor(xml: Document) {
    super(xml, AlbumID3Element)
  }
}

//
// Playlists
//

export class GetPlaylistsResponse {
  playlists: PlaylistElement[] = []

  constructor(xml: Document) {
    const playlistElements = xml.getElementsByTagName('playlist')
    for (let i = 0; i < playlistElements.length; i++) {
      this.playlists.push(new PlaylistElement(playlistElements[i]))
    }
  }
}

export class GetPlaylistResponse {
  playlist: PlaylistWithSongsElement

  constructor(xml: Document) {
    this.playlist = new PlaylistWithSongsElement(xml.getElementsByTagName('playlist')[0])
  }
}

//
// Searching
//

export class Search3Response {
  artists: ArtistID3Element[] = []
  albums: AlbumID3Element[] = []
  songs: ChildElement[] = []

  constructor(xml: Document) {
    const artistElements = xml.getElementsByTagName('artist')
    for (let i = 0; i < artistElements.length; i++) {
      this.artists.push(new ArtistID3Element(artistElements[i]))
    }

    const albumElements = xml.getElementsByTagName('album')
    for (let i = 0; i < albumElements.length; i++) {
      this.albums.push(new AlbumID3Element(albumElements[i]))
    }

    const songElements = xml.getElementsByTagName('song')
    for (let i = 0; i < songElements.length; i++) {
      this.songs.push(new ChildElement(songElements[i]))
    }
  }
}