From 7c3d15e31a219f255cc29669cc0ca0996d5f1a92 Mon Sep 17 00:00:00 2001
From: Jackson Harper <jacksonh@gmail.com>
Date: Tue, 12 Mar 2024 18:53:17 +0800
Subject: [PATCH] Add some scrolling on youtube videos

---
 .../api/src/jobs/process-youtube-video.ts     | 88 +++++++++++++++++++
 .../components/templates/article/Article.tsx  | 22 +++++
 packages/web/styles/articleInnerStyling.css   | 28 ++++++
 3 files changed, 138 insertions(+)
 create mode 100644 packages/api/src/jobs/process-youtube-video.ts

diff --git a/packages/api/src/jobs/process-youtube-video.ts b/packages/api/src/jobs/process-youtube-video.ts
new file mode 100644
index 000000000..82bf1f946
--- /dev/null
+++ b/packages/api/src/jobs/process-youtube-video.ts
@@ -0,0 +1,88 @@
+import { logger } from '../utils/logger'
+import { authTrx } from '../repository'
+import { libraryItemRepository } from '../repository/library_item'
+import { LibraryItem, LibraryItemState } from '../entity/library_item'
+
+import { Video, Client as YouTubeClient } from 'youtubei'
+
+export interface ProcessYouTubeVideoJobData {
+  userId: string
+  libraryItemId: string
+}
+
+export const PROCESS_YOUTUBE_VIDEO_JOB_NAME = 'process-youtube-video'
+
+const calculateWordCount = (durationInSeconds: number): number => {
+  // Calculate word count using the formula: word count = read time (in seconds) * words per second
+  // Assuming average reading speed is 235 words per minute (or about 3.92 words per second)
+  const wordsPerSecond = 3.92
+  const wordCount = Math.round(durationInSeconds * wordsPerSecond)
+  return wordCount
+}
+
+export const processYouTubeVideo = async (
+  jobData: ProcessYouTubeVideoJobData
+) => {
+  try {
+    const libraryItem = await authTrx(
+      async (tx) =>
+        tx
+          .withRepository(libraryItemRepository)
+          .findById(jobData.libraryItemId),
+      undefined,
+      jobData.userId
+    )
+    if (!libraryItem || libraryItem.state !== LibraryItemState.Succeeded) {
+      logger.info(
+        `Not ready to get YouTube metadata job state: ${
+          libraryItem?.state ?? 'null'
+        }`
+      )
+      return
+    }
+
+    const u = new URL(libraryItem.originalUrl)
+    const videoId = u.searchParams.get('v')
+
+    if (!videoId) {
+      console.warn('no video id for supplied youtube url', {
+        url: libraryItem.originalUrl,
+      })
+      return
+    }
+
+    let needsUpdate = false
+    const youtube = new YouTubeClient()
+    const video = await youtube.getVideo(videoId)
+    if (!video) {
+      console.warn('no video found for youtube url', {
+        url: libraryItem.originalUrl,
+      })
+      return
+    }
+
+    if (video.description && libraryItem.description !== video.description) {
+      needsUpdate = true
+      libraryItem.description = video.description
+    }
+
+    if ('duration' in video && (video as Video).duration > 0) {
+      needsUpdate = true
+      libraryItem.wordCount = calculateWordCount((video as Video).duration)
+    }
+
+    if (needsUpdate) {
+      const _ = await authTrx(
+        async (t) => {
+          return t
+            .getRepository(LibraryItem)
+            .update(jobData.libraryItemId, libraryItem)
+        },
+        undefined,
+        jobData.userId
+      )
+    }
+  } catch (err) {
+    console.log('error creating summary: ', err)
+  }
+}
diff --git a/packages/web/components/templates/article/Article.tsx b/packages/web/components/templates/article/Article.tsx
index 5f7d48ba4..91ef82161 100644
--- a/packages/web/components/templates/article/Article.tsx
+++ b/packages/web/components/templates/article/Article.tsx
@@ -115,6 +115,28 @@ export function Article(props: ArticleProps): JSX.Element {
     }
   }, 2500)
 
+  useEffect(() => {
+    const youtubePlayer = document.getElementById('_omnivore_youtube_video')
+
+    const updateScroll = () => {
+      console.log('scroll y: ', window.scrollY, youtubePlayer)
+
+      if (youtubePlayer) {
+        if (window.scrollY > 200) {
+          youtubePlayer.classList.add('is-sticky')
+        } else {
+          youtubePlayer.classList.remove('is-sticky')
+        }
+      }
+    }
+    if (youtubePlayer) {
+      window.addEventListener('scroll', updateScroll)
+    }
+    return () => {
+      window.removeEventListener('scroll', updateScroll) // clean up
+    }
+  }, [props])
+
   // Scroll to initial anchor position
   useEffect(() => {
     if (typeof window === 'undefined') {
diff --git a/packages/web/styles/articleInnerStyling.css b/packages/web/styles/articleInnerStyling.css
index c38f290a7..b0a46dc39 100644
--- a/packages/web/styles/articleInnerStyling.css
+++ b/packages/web/styles/articleInnerStyling.css
@@ -610,3 +610,31 @@
   white-space: pre-wrap;
   overflow-wrap: break-word;
 }
+
+.is-sticky {
+  position: fixed;
+  right: 5px;
+  bottom: 5px;
+  top: auto;
+  left: auto;
+  max-width: 400px;
+  max-height: 222px;
+  width: 400px;
+  height: 222px;
+  animation-name: fadeInUp;
+  animation-duration: 0.5s;
+  animation-fill-mode: both;
+}
+
+@keyframes fadeInUp {
+  0% {
+      opacity: 0;
+      -webkit-transform: translate3d(0, 100%, 0);
+      transform: translate3d(0, 100%, 0);
+  }
+  100% {
+      opacity: 1;
+      -webkit-transform: none;
+      transform: none;
+  }
+}
\ No newline at end of file