Added ffmpeg progress bar via fluent-ffmpeg and progress libs (#57)

* Add fluent-ffmpeg back and cross-platform progress bar

* Repo clean up

Move ts files to src, build and output js files to build folder

* Do not print messages when exit code is 0

this is triggered by signal events

Co-authored-by: kylon <kylonux@gmail.com>

src/Metadata.ts

@@ -0,0 +1,65 @@
+import { Metadata, Session } from './Types';
+
+import { parse } from 'iso8601-duration';
+import axios from 'axios';
+
+function publishedDateToString(date: string) {
+    const dateJs = new Date(date);
+    const day = dateJs.getDate().toString().padStart(2, '0');
+    const month = (dateJs.getMonth() + 1).toString(10).padStart(2, '0');
+
+    return day+'-'+month+'-'+dateJs.getFullYear();
+}
+
+function durationToTotalChuncks(duration: string) {
+    const durationObj = parse(duration);
+    const hrs = durationObj['hours'] ?? 0;
+    const mins = durationObj['minutes'] ?? 0;
+    const secs = Math.ceil(durationObj['seconds'] ?? 0);
+
+    return hrs * 1000 + mins * 100 + secs;
+}
+
+
+export async function getVideoMetadata(videoGuids: string[], session: Session, verbose: boolean): Promise<Metadata[]> {
+    let metadata: Metadata[] = [];
+    let title: string;
+    let date: string;
+    let duration: number;
+    let playbackUrl: string;
+    let posterImage: string;
+
+    await Promise.all(videoGuids.map(async guid => {
+        let apiUrl = `${session.ApiGatewayUri}videos/${guid}?api-version=${session.ApiGatewayVersion}`;
+
+        if (verbose)
+            console.info(`Calling ${apiUrl}`);
+
+        let response = await axios.get(apiUrl,
+            {
+                headers: {
+                    Authorization: `Bearer ${session.AccessToken}`
+                }
+            });
+
+        title = response.data['name'];
+        playbackUrl = response.data['playbackUrls']
+            .filter((item: { [x: string]: string; }) =>
+                item['mimeType'] == 'application/vnd.apple.mpegurl')
+            .map((item: { [x: string]: string }) => { return item['playbackUrl']; })[0];
+
+        posterImage = response.data['posterImage']['medium']['url'];
+        date = publishedDateToString(response.data['publishedDate']);
+        duration = durationToTotalChuncks(response.data.media['duration']);
+
+        metadata.push({
+            date: date,
+            duration: duration,
+            title: title,
+            playbackUrl: playbackUrl,
+            posterImage: posterImage
+        });
+    }));
+
+    return metadata;
+}