From aec52dc6cb072124e833b2dec3e64ac5ecc5244b Mon Sep 17 00:00:00 2001
From: DispatchCommit <dispatchcommit@gmail.com>
Date: Mon, 21 Jun 2021 15:13:51 -0700
Subject: [PATCH] send recsys on dispose

---
 ui/component/viewers/videoViewer/index.js     |  2 +-
 .../internal/plugins/videojs-recsys/plugin.js | 86 ++++++++++++++++---
 2 files changed, 73 insertions(+), 15 deletions(-)

diff --git a/ui/component/viewers/videoViewer/index.js b/ui/component/viewers/videoViewer/index.js
index 29def1a40..f7d8925a8 100644
--- a/ui/component/viewers/videoViewer/index.js
+++ b/ui/component/viewers/videoViewer/index.js
@@ -16,7 +16,7 @@ const select = (state, props) => {
   const urlParams = new URLSearchParams(search);
   const autoplay = urlParams.get('autoplay');
   const position = urlParams.get('t') !== null ? urlParams.get('t') : makeSelectContentPositionForUri(props.uri)(state);
-  const userId = selectUser(state).id;
+  const userId = selectUser(state) && selectUser(state).id;
 
   return {
     autoplayIfEmbedded: Boolean(autoplay),
diff --git a/ui/component/viewers/videoViewer/internal/plugins/videojs-recsys/plugin.js b/ui/component/viewers/videoViewer/internal/plugins/videojs-recsys/plugin.js
index ee1ad8009..2c159d317 100644
--- a/ui/component/viewers/videoViewer/internal/plugins/videojs-recsys/plugin.js
+++ b/ui/component/viewers/videoViewer/internal/plugins/videojs-recsys/plugin.js
@@ -1,5 +1,6 @@
 // Created by xander on 6/21/2021
 import videojs from 'video.js/dist/video.min.js';
+import { v4 as uuidV4 } from 'uuid';
 const VERSION = '0.0.1';
 
 const recsysEndpoint = 'https://clickstream.odysee.com/log/video/view';
@@ -15,6 +16,26 @@ const RecsysData = {
   },
 };
 
+function createRecsys(claimId, userId, events, loadedAt, isEmbed) {
+  // TODO: use a UUID generator
+  const uuid = uuidV4();
+  const pageLoadedAt = loadedAt;
+  const pageExitedAt = Date.now();
+  return {
+    uuid: uuid,
+    parentUuid: null,
+    uid: userId,
+    claimId: claimId,
+    pageLoadedAt: pageLoadedAt,
+    pageExitedAt: pageExitedAt,
+    recsysId: recsysId,
+    recClaimIds: null,
+    recClickedVideoIdx: null,
+    events: events,
+    isEmbed: isEmbed,
+  };
+}
+
 function newRecsysEvent(eventType, offset, arg) {
   if (arg) {
     return {
@@ -30,14 +51,13 @@ function newRecsysEvent(eventType, offset, arg) {
   }
 }
 
-function sendRecsysEvent(recsysEvent) {
+function sendRecsysEvents(recsys) {
   const requestOptions = {
     method: 'POST',
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify(recsysEvent),
+    headers: { 'Content-Type': 'text/plain' }, // application/json
+    body: JSON.stringify(recsys),
   };
 
-
   fetch(recsysEndpoint, requestOptions)
     .then((response) => response.json())
     .then((data) => {
@@ -61,49 +81,87 @@ class RecsysPlugin extends Component {
     super(player, options);
 
     // Plugin started
-    console.log(`created recsys plugin for: videoId:${options.videoId}, userId:${options.userId}`);
+    console.log(`Created recsys plugin for: videoId:${options.videoId}, userId:${options.userId}`);
 
     // To help with debugging, we'll add a global vjs object with the video js player
     window.vjs = player;
 
     this.player = player;
 
+    this.recsysEvents = [];
+    this.lastTimeUpdate = null;
+    this.currentTimeUpdate = null;
+    this.loadedAt = Date.now();
+
     // Plugin event listeners
     player.on('playing', (event) => this.onPlay(event));
     player.on('pause', (event) => this.onPause(event));
     player.on('ended', (event) => this.onEnded(event));
     player.on('ratechange', (event) => this.onRateChange(event));
-    player.on('seeking', (event) => this.onSeeking(event));
+    player.on('timeupdate', (event) => this.onTimeUpdate(event));
+    player.on('seeked', (event) => this.onSeeked(event));
+
+    player.on('dispose', (event) => this.onDispose(event));
+  }
+
+  addRecsysEvent(recsysEvent) {
+    this.recsysEvents.push(recsysEvent);
+  }
+
+  getRecsysEvents() {
+    return this.recsysEvents;
+  }
+
+  sendRecsysEvents() {
+    const event = createRecsys(
+      this.options_.videoId,
+      this.options_.userId,
+      this.getRecsysEvents(),
+      this.loadedAt,
+      false
+    );
+    console.log(event);
+    sendRecsysEvents(event);
   }
 
   onPlay(event) {
     const recsysEvent = newRecsysEvent(RecsysData.event.start, this.player.currentTime());
     this.log('onPlay', recsysEvent);
-    sendRecsysEvent(recsysEvent);
+    this.addRecsysEvent(recsysEvent);
   }
 
   onPause(event) {
     const recsysEvent = newRecsysEvent(RecsysData.event.stop, this.player.currentTime());
     this.log('onPause', recsysEvent);
-    sendRecsysEvent(recsysEvent);
+    this.addRecsysEvent(recsysEvent);
   }
 
   onEnded(event) {
     const recsysEvent = newRecsysEvent(RecsysData.event.stop, this.player.currentTime());
     this.log('onEnded', recsysEvent);
-    sendRecsysEvent(recsysEvent);
+    this.addRecsysEvent(recsysEvent);
   }
 
   onRateChange(event) {
     const recsysEvent = newRecsysEvent(RecsysData.event.speed, this.player.currentTime());
     this.log('onRateChange', recsysEvent);
-    sendRecsysEvent(recsysEvent);
+    this.addRecsysEvent(recsysEvent);
   }
 
-  onSeeking(event) {
-    const recsysEvent = newRecsysEvent(RecsysData.event.scrub, this.player.currentTime());
-    this.log('onSeeking', recsysEvent);
-    sendRecsysEvent(recsysEvent);
+  onTimeUpdate(event) {
+    this.lastTimeUpdate = this.currentTimeUpdate;
+    this.currentTimeUpdate = this.player.currentTime();
+  }
+
+  onSeeked(event) {
+    console.log(event);
+    const recsysEvent = newRecsysEvent(RecsysData.event.scrub, this.lastTimeUpdate, this.player.currentTime());
+    this.log('onSeeked', recsysEvent);
+    this.addRecsysEvent(recsysEvent);
+  }
+
+  onDispose(event) {
+    this.sendRecsysEvents();
   }
 
   log(...args) {