utils: Extract random metadata

src/utils/randomMetadata.tsx

@@ -0,0 +1,45 @@
+import {Track} from 'prolink-connect/lib/types';
+
+import {PlayedTrack} from 'src/shared/store';
+import exampleMetadata from 'src/utils/exampleMetadata';
+
+export async function fetchRandomArtwork() {
+ try {
+ const imageResp = await fetch('https://picsum.photos/160/160');
+ const imageBuffer = await imageResp.arrayBuffer();
+ return Buffer.from(imageBuffer);
+ } catch {
+ return undefined;
+ }
+}
+
+type Options = {
+ artwork?: boolean;
+};
+
+export async function makeRandomTrack({artwork}: Options = {}) {
+ const metadata = exampleMetadata[Math.floor(Math.random() * exampleMetadata.length)];
+
+ const track = {
+ id: Date.now(),
+ title: metadata.title,
+ comment: metadata.comment,
+ fileName: 'example.mp3',
+ filePath: './example.mp3',
+ duration: 120,
+ artist: {id: 0, name: metadata.artist} as any,
+ album: {id: 0, name: metadata.album} as any,
+ genre: {id: 0, name: metadata.genre} as any,
+ label: {id: 0, name: metadata.label} as any,
+ key: {id: 0, name: metadata.key} as any,
+ } as Track;
+
+ const played = new PlayedTrack(new Date(), track);
+
+ // Do not always include artwork, it is random afterall
+ if (!artwork === false && (artwork === true || Math.random() > 0.3)) {
+ played.artwork = await fetchRandomArtwork();
+ }
+
+ return played;
+}

src/utils/useRandomHistory.tsx

@@ -1,42 +1,7 @@
 import * as React from 'react';
-import {Track} from 'prolink-connect/lib/types';
 
 import {PlayedTrack} from 'src/shared/store';
-import exampleMetadata from './exampleMetadata';
-
-async function fetchRandomArtwork() {
- try {
- const imageResp = await fetch('https://picsum.photos/160/160');
- const imageBuffer = await imageResp.arrayBuffer();
- return Buffer.from(imageBuffer);
- } catch {
- return undefined;
- }
-}
-
-const generateEntry = async () => {
- const metadata = exampleMetadata[Math.floor(Math.random() * exampleMetadata.length)];
-
- const track = {
- id: Date.now(),
- title: metadata.title,
- comment: metadata.comment,
- artist: {id: 0, name: metadata.artist} as any,
- album: {id: 0, name: metadata.album} as any,
- genre: {id: 0, name: metadata.genre} as any,
- label: {id: 0, name: metadata.label} as any,
- key: {id: 0, name: metadata.key} as any,
- } as Track;
-
- const played = new PlayedTrack(new Date(), track);
-
- // Do not always include artwork, it is random afterall
- if (Math.random() > 0.3) {
- played.artwork = await fetchRandomArtwork();
- }
-
- return played;
-};
+import {makeRandomTrack} from './randomMetadata';
 
 type Options = {
  /**
@@ -62,7 +27,7 @@ const useRandomHistory = ({cutoff, updateInterval}: Options) => {
  let lastHistory = history;
 
  while (isUpdating) {
- lastHistory = [...lastHistory, await generateEntry()].slice(-1 * cutoff);
+ lastHistory = [...lastHistory, await makeRandomTrack()].slice(-1 * cutoff);
  if (isUpdating) {
  setHistory(lastHistory);
  await new Promise(r => setTimeout(r, updateInterval));