feat: auto schedule youtube stream

.github/workflows/create-event-helpers/youtube/index.js

@@ -0,0 +1,121 @@
+const path = require('path');
+const {google} = require('googleapis');
+const fetch = require('node-fetch');
+const OAuth2 = google.auth.OAuth2;
+const youtube = google.youtube('v3');
+
+const CREDENTIALS = JSON.parse(process.env.GOOGLE_OAUTH_TOKEN); // token.json file contents
+const CLIENT_SECRET = JSON.parse(process.env.GOOGLE_OAUTH_CLIENT_SECRET); // client_secret.json file contents
+
+const OAUTH_CLIENT = new OAuth2(
+  CLIENT_SECRET.web.client_id,
+  CLIENT_SECRET.web.client_secret,
+  CLIENT_SECRET.web.redirect_uris[0]
+);
+OAUTH_CLIENT.credentials = CREDENTIALS;
+
+module.exports = { scheduleLivestream };
+
+/**
+ * Schedules a live stream with the parameters provided.
+ * 
+ * @param {String} title Title
+ * @param {String} description Description
+ * @param {String} scheduledStartTime RFC3339 scheduled starting time
+ * @param {String} thumbnail Thumbnail URL (only supports PNG and JPG formats)
+ * @param {String} playlistId Playlist ID to add the stream to
+ */
+async function scheduleLivestream(scheduledStartTime, playlistId) {
+  try {
+    const title = process.env.MEETING_NAME;
+    const suffix = process.env.MEETING_NAME_SUFFIX;
+    const description = process.env.MEETING_DESC;
+    const banner = process.env.MEETING_BANNER;
+    const summary = suffix ? `${title} ${suffix}` : title;
+
+    const id = await _createNewBroadcast(summary, description, scheduledStartTime);
+    await Promise.all([
+      _addThumbnailToVideo(id, banner),
+      _addVideoToPlaylist(id, playlistId)
+    ]);
+
+  } catch ( e ) {
+    console.log(e);
+  }
+}
+
+function _createNewBroadcast(title, description, startTime) {
+  return new Promise((resolve, reject) => {
+    youtube.liveBroadcasts.insert({
+      auth: OAUTH_CLIENT,
+      part: 'id,snippet,contentDetails,status',
+      requestBody: {
+        snippet: {
+          title,
+          description,
+          scheduledStartTime: startTime
+        },
+        status: {
+          privacyStatus: 'public',
+          selfDeclaredMadeForKids: false
+        }
+      }
+    }, (err, res) => {
+      if ( err ) {
+        reject(err);
+      } else {
+        resolve(res.data.id);
+      }
+    })
+  });
+}
+
+function _addThumbnailToVideo(videoId, thumbnailUri) {
+  return new Promise((resolve, reject) => {
+    const ext = path.extname(thumbnailUri);
+    const mimeType = (ext == 'png' ? 'image/png' : 'image/jpeg');
+
+    fetch(thumbnailUri).then(res => {
+      const thumbnailStream = res.body;
+
+      youtube.thumbnails.set({
+        auth: OAUTH_CLIENT,
+        videoId,
+        media: {
+          mimeType,
+          body: thumbnailStream
+        }
+      }, (err, res) => {
+        if ( err ) {
+          reject(err);
+        } else {
+          resolve();
+        }
+      });
+    });
+  });
+}
+
+function _addVideoToPlaylist(videoId, playlistId) {
+  return new Promise((resolve, reject) => {
+    youtube.playlistItems.insert({
+      auth: OAUTH_CLIENT,
+      part: 'contentDetails,id,snippet,status',
+      requestBody: {
+        snippet: {
+          playlistId,
+          resourceId: {
+            kind: 'youtube#video',
+            videoId
+          }
+        }
+      }
+    }, (err, res) => {
+      if ( err ) {
+        reject(err);
+      } else {
+        resolve();
+      }
+    })
+  });
+}

.github/workflows/create-event-workflow-reusable.yml

@@ -70,6 +70,10 @@ on:
         required: true
       TWITTER_ACCESS_TOKEN_SECRET:
         required: true
+      GOOGLE_OAUTH_TOKEN:
+        required: true
+      GOOGLE_OAUTH_CLIENT_SECRET:
+        required: true
 
 jobs:
   setup-meeting:
@@ -155,3 +159,15 @@ jobs:
           twitter_consumer_secret: ${{ secrets.TWITTER_CONSUMER_SECRET }}
           twitter_access_token_key: ${{ secrets.TWITTER_ACCESS_TOKEN_KEY }}
           twitter_access_token_secret: ${{ secrets.TWITTER_ACCESS_TOKEN_SECRET }}
+      - name: Schedule YouTube Livestream
+        uses: actions/github-script@v4
+        env:
+          MEETING_NAME: ${{ inputs.meeting_name }}
+          MEETING_NAME_SUFFIX: ${{ inputs.meeting_name_suffix }}
+          MEETING_DESC: ${{ inputs.meeting_desc }}
+          MEETING_BANNER: ${{ inputs.meeting_banner }}
+          GUEST: ${{ inputs.guest }}
+        with:
+          script: |
+            const { scheduleLivestream } = require('./.github/workflows/create-event-helpers/youtube/index.js');
+            scheduleLivestream('${{ inputs.date }}T${{ inputs.time }}:00Z', 'PLbi1gRlP7pijUwZJErzyYf_Rc-PWu4lXS');