feat(audio): add fn to fetch audio tracks and pick one track

src/audio.ts

@@ -0,0 +1,172 @@
+import axios from 'axios';
+import { pick, chain } from 'lodash';
+import config from './config';
+import qs from 'qs';
+import { format } from 'date-fns';
+
+interface SCUser {
+  avatar_url: string;
+  id: number;
+  kind: 'user';
+  permalink_url: string;
+  uri: string;
+  username: string;
+  permalink: string;
+  last_modified: Date;
+}
+
+export interface Track {
+  comment_count: number;
+  release: number;
+  original_content_size: number;
+  track_type: string;
+  original_format: string;
+  streamable: boolean;
+  download_url: string;
+  id: number;
+  state: 'processing' | 'failed' | 'finished';
+  last_modified: Date;
+  favoritings_count: number;
+  kind: 'track';
+  purchase_url: string;
+  release_year: number;
+  sharing: 'all' | 'private' | 'public';
+  attachments_uri: string;
+  license:
+    | 'no-rights-reserved'
+    | 'all-rights-reserved'
+    | 'cc-by'
+    | 'cc-by-nc'
+    | 'cc-by-nd'
+    | 'cc-by-sa'
+    | 'cc-by-nc-nd'
+    | 'cc-by-nc-sa';
+  user_id: number;
+  user_favorite: boolean;
+  waveform_url: string;
+  permalink: string;
+  permalink_url: string;
+  playback_count: number;
+  downloadable: boolean;
+  created_at: Date;
+  description: string;
+  title: string;
+  duration: number;
+  artwork_url: string;
+  video_url: string;
+  tag_list: string;
+  release_month: number;
+  genre: string;
+  release_day: number;
+  reposts_count: number;
+  label_name: string;
+  commentable: boolean;
+  bpm: number;
+  policy: string;
+  key_signature: string;
+  isrc: string;
+  uri: string;
+  download_count: number;
+  likes_count: number;
+  purchase_title: string;
+  embeddable_by: 'all' | 'me' | 'none';
+  monetization_model: string;
+  user: SCUser;
+  user_playback_count: number;
+  stream_url: string;
+  label_id: number;
+}
+
+interface SCUserWebProfile {
+  kind: 'web-profile';
+  id: number;
+  service: 'personal' | 'youtube' | 'twitter' | 'instagram' | 'facebook';
+  title: string;
+  url: string;
+  username: string;
+  created_at: string;
+}
+
+export const getTracksFromSoundcloud = async () => {
+  try {
+    console.log('fetching tracks');
+    const response = await axios.get<Track[]>(
+      `https://api.soundcloud.com/tracks`,
+      {
+        params: {
+          client_id: config.SOUNDCLOUD_CLIENT_ID,
+          tags: config.SOUNDCLOUD_SEARCH_TAGS.join(','),
+          license: config.SOUNDCLOUD_SEARCH_LICENSE,
+          created_at: {
+            from: encodeURIComponent(
+              format(
+                new Date(Date.now() - 60 * 60 * 24 * 1000),
+                'YYYY-MM-DD HH:mm:ss'
+              )
+            ),
+            to: encodeURIComponent(format(new Date(), 'YYYY-MM-DD HH:mm:ss')),
+          },
+        },
+        paramsSerializer: params => {
+          let stringified = qs.stringify(params, {
+            arrayFormat: 'brackets',
+            encode: false,
+          });
+          console.log(stringified);
+          return stringified;
+        },
+      }
+    );
+
+    console.log(`fetched and got ${response.data.length} responses`);
+    const pickedSong = response.data
+      .sort(e => (e.playback_count || 0) + (e.likes_count || 0))
+      .filter(e => e.downloadable)[0];
+
+    console.log('picked song: ' + pickedSong.id);
+    return pick(pickedSong, [
+      'download_url',
+      'user',
+      'description',
+      'title',
+      'purchase_title',
+      'purchase_url',
+      'tag_list',
+      'permalink_url',
+      'id',
+      'duration',
+    ]);
+  } catch (e) {
+    return Promise.reject(e);
+  }
+};
+
+const pickUsername = (obj: SCUserWebProfile) =>
+  pick(obj, ['username', 'service']);
+
+export const getWebProfileForArtist = async (id: number) => {
+  try {
+    const { data: webProfiles } = await axios.get<SCUserWebProfile[]>(
+      `https://api.soundcloud.com/users/${id}/web-profiles`
+    );
+
+    if (webProfiles.length <= 0) {
+      return;
+    }
+
+    const profilesHash = chain(webProfiles)
+      .groupBy('service')
+      .mapValues(0)
+      .value();
+
+    if (profilesHash.twitter) {
+      return pickUsername(profilesHash.twitter);
+    } else if (profilesHash.instagram) {
+      return pick(profilesHash.instagram);
+    } else {
+      return;
+    }
+  } catch (e) {
+    return Promise.reject(e);
+  }
+};