1 files changed, 63 insertions, 0 deletions

diff --git a/client/src/standalone/videos/shared/video-fetcher.ts b/client/src/standalone/videos/shared/video-fetcher.ts
new file mode 100644
index 000000000..e78d38536
--- /dev/null
+++ b/client/src/standalone/videos/shared/video-fetcher.ts
@@ -0,0 +1,63 @@
+import { HttpStatusCode, LiveVideo, VideoDetails } from '../../../../../shared/models'
+import { AuthHTTP } from './auth-http'
+
+export class VideoFetcher {
+
+  constructor (private readonly http: AuthHTTP) {
+
+  }
+
+  async loadVideo (videoId: string) {
+    const videoPromise = this.loadVideoInfo(videoId)
+
+    let videoResponse: Response
+    let isResponseOk: boolean
+
+    try {
+      videoResponse = await videoPromise
+      isResponseOk = videoResponse.status === HttpStatusCode.OK_200
+    } catch (err) {
+      console.error(err)
+
+      isResponseOk = false
+    }
+
+    if (!isResponseOk) {
+      if (videoResponse?.status === HttpStatusCode.NOT_FOUND_404) {
+        throw new Error('This video does not exist.')
+      }
+
+      throw new Error('We cannot fetch the video. Please try again later.')
+    }
+
+    const captionsPromise = this.loadVideoCaptions(videoId)
+
+    return { captionsPromise, videoResponse }
+  }
+
+  loadVideoWithLive (video: VideoDetails) {
+    return this.http.fetch(this.getLiveUrl(video.uuid), { optionalAuth: true })
+      .then(res => res.json())
+      .then((live: LiveVideo) => ({ video, live }))
+  }
+
+  getVideoViewsUrl (videoUUID: string) {
+    return this.getVideoUrl(videoUUID) + '/views'
+  }
+
+  private loadVideoInfo (videoId: string): Promise<Response> {
+    return this.http.fetch(this.getVideoUrl(videoId), { optionalAuth: true })
+  }
+
+  private loadVideoCaptions (videoId: string): Promise<Response> {
+    return this.http.fetch(this.getVideoUrl(videoId) + '/captions', { optionalAuth: true })
+  }
+
+  private getVideoUrl (id: string) {
+    return window.location.origin + '/api/v1/videos/' + id
+  }
+
+  private getLiveUrl (videoId: string) {
+    return window.location.origin + '/api/v1/videos/live/' + videoId
+  }
+}