open-music-api-node/src/api/playlist/handler.js

Open Music API

class PlaylistHandler {
  constructor(service, validator) {
    this._service = service;
    this._validator = validator;

    this.addPlaylistHandler = this.addPlaylistHandler.bind(this);
    this.getPlaylistHandler = this.getPlaylistHandler.bind(this);
    this.getPlaylistByIdHandler = this.getPlaylistByIdHandler.bind(this);
    this.deletePlaylistByIdHandler = this.deletePlaylistByIdHandler.bind(this);
    this.addSongToPlaylistHandler = this.addSongToPlaylistHandler.bind(this);
    this.getSongFromPlaylistHandler = this.getSongFromPlaylistHandler.bind(this);
    this.deleteSongFromPlaylistHandler = this.deleteSongFromPlaylistHandler.bind(this);
  }

  async addPlaylistHandler(request, h) {
    this._validator.validatePlaylistPayload(request.payload);
    const { name } = request.payload;
    const { id: credentialId } = request.auth.credentials;

    const playlist = await this._service.addPlaylist({ name, owner: credentialId });

    const response = h.response({
      status: 'success',
      message: 'Playlist baru berhasil ditambahkan',
      data: {
        playlistId: playlist,
      },
    });

    response.code(201);
    return response;
  }

  async getPlaylistHandler(request) {
    const { id: credentialId } = request.auth.credentials;
    const playlist = await this._service.getPlaylist(credentialId);
    return {
      status: 'success',
      data: {
        playlists: playlist,
      },
    };
  }

  async getPlaylistByIdHandler(request) {
    const { id } = request.params;
    const { id: credentialId } = request.auth.credentials;

    await this._service.verifyPlaylistAccess(id, credentialId);
    const playlist = await this._service.getPlaylistById(id);

    return {
      status: 'success',
      data: {
        playlist,
      },
    };
  }

  async deletePlaylistByIdHandler(request) {
    const { id } = request.params;
    const { id: credentialId } = request.auth.credentials;
    await this._service.verifyPlaylistAccess(id, credentialId);
    await this._service.deletePlaylistById(id);

    return {
      status: 'success',
      message: 'Playlist berhasil dihapus',
    };
  }

  async addSongToPlaylistHandler(request, h) {
    this._validator.validatePlaylistSongPayload(request.payload);
    const { songId } = request.payload;
    const { id: playlistId } = request.params;
    const { id: credentialId } = request.auth.credentials;

    await this._service.verifyPlaylistAccess(playlistId, credentialId);
    await this._service.addSongToPlaylist({ songId, playlistId, userId: credentialId });

    const response = h.response({
      status: 'success',
      message: 'Lagu berhasil ditambahkan ke playlist',
    });

    response.code(201);
    return response;
  }

  async getSongFromPlaylistHandler(request) {
    const { id: playlistId } = request.params;
    const { id: credentialId } = request.auth.credentials;

    await this._service.verifyPlaylistAccess(playlistId, credentialId);
    const playlist = await this._service.getSongFromPlaylist({ playlistId });

    return {
      status: 'success',
      data: {
        playlist,
      },
    };
  }

  async deleteSongFromPlaylistHandler(request) {
    this._validator.validatePlaylistSongPayload(request.payload);
    const { songId } = request.payload;
    const { id: playlistId } = request.params;
    const { id: credentialId } = request.auth.credentials;

    await this._service.verifyPlaylistAccess(playlistId, credentialId);
    await this._service.deleteSongFromPlaylist({ songId, playlistId, userId: credentialId });

    return {
      status: 'success',
      message: 'Lagu berhasil dihapus dari playlist',
    };
  }
}
module.exports = PlaylistHandler;