Add video player

public/style.css

@@ -2,13 +2,32 @@ html {
     background: #191919;
 }
 
-#lightgallery a {
-    text-decoration: none;
-    margin: 0;
-    padding: 0;
-}
-
 #lightgallery img {
     height: 250px;
     margin: 4px;
 }
+
+#lightgallery a {
+    position: relative; /* Establishes a positioning context */
+    display: inline-block; /* Allows the container to wrap around the image */
+    text-decoration: none;
+    margin: 0;
+    padding: 0;
+    cursor: pointer;
+}
+
+.play-icon {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    width: 50px;
+    height: 50px;
+    background-image: url('/images/play.png');
+    background-size: contain;
+    background-repeat: no-repeat;
+    opacity: 0.5;
+}
+#lightgallery a:has(.play-icon):hover .play-icon {
+    opacity: 1;
+}

src/immich.ts

@@ -1,14 +1,15 @@
 import { Asset, AssetType, ImageSize, SharedLink } from './types'
 
 class Immich {
-  async request (endpoint: string, json = true) {
+  async request (endpoint: string) {
     const res = await fetch(process.env.IMMICH_URL + '/api' + endpoint, {
       headers: {
         'x-api-key': process.env.API_KEY || ''
       }
     })
     if (res.status === 200) {
-      if (json) {
+      const contentType = res.headers.get('Content-Type') || ''
+      if (contentType.includes('application/json')) {
         return res.json()
       } else {
         return res
@@ -17,25 +18,38 @@ class Immich {
   }
 
   async getShareByKey (key: string) {
-    const links = await this.request('/shared-links') as SharedLink[]
-    return links.find(x => x.key === key)
+    const res = (await this.request('/shared-links') || []) as SharedLink[]
+    return res?.find(x => x.key === key)
   }
 
   async getAssetBuffer (asset: Asset, size?: ImageSize) {
     switch (asset.type) {
       case AssetType.image:
         size = size === ImageSize.thumbnail ? ImageSize.thumbnail : ImageSize.original
-        return this.request('/assets/' + asset.id + '/' + size, false)
+        return this.request('/assets/' + asset.id + '/' + size)
       case AssetType.video:
-        return this.request('/assets/' + asset.id + '/video/playback', false)
+        return this.request('/assets/' + asset.id + '/video/playback')
     }
   }
 
-  imageUrl (id: string, size?: ImageSize) {
+  async getContentType (asset: Asset) {
+    const assetBuffer = await this.getAssetBuffer(asset)
+    return assetBuffer.headers.get('Content-Type')
+  }
+
+  photoUrl (id: string, size?: ImageSize) {
     return `${process.env.SERVER_URL}/photo/${id}` + (size ? `?size=${size}` : '')
   }
+
+  videoUrl (id: string) {
+    return `${process.env.SERVER_URL}/video/${id}`
   }
 
-const api = new Immich()
+  isId (id: string) {
+    return !!id.match(/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/)
+  }
+}
 
-export default api
+const immich = new Immich()
+
+export default immich

src/index.ts

@@ -1,9 +1,9 @@
 import express from 'express'
-import api from './immich'
 import immich from './immich'
+import render from './render'
 import dayjs from 'dayjs'
 import { AssetType, ImageSize } from './types'
-import { Request, Response } from 'express-serve-static-core'
+import { Request } from 'express-serve-static-core'
 
 require('dotenv').config()
 
@@ -11,22 +11,6 @@ const app = express()
 app.set('view engine', 'ejs')
 app.use(express.static('public'))
 
-async function serveImage (res: Response, id: string, size?: ImageSize) {
-  const image = await api.getAssetBuffer({
-    id,
-    type: AssetType.image
-  }, size)
-  if (image) {
-    for (const header of ['content-type', 'content-length']) {
-      res.set(header, image.headers[header])
-    }
-    console.log(`${dayjs().format()} Serving image ${id}`)
-    res.send(Buffer.from(await image.arrayBuffer()))
-  } else {
-    res.status(404).send()
-  }
-}
-
 const getSize = (req: Request) => {
   return req?.query?.size === 'thumbnail' ? ImageSize.thumbnail : ImageSize.original
 }
@@ -36,33 +20,42 @@ app.get('/share/:key', async (req, res) => {
     // Invalid characters in the incoming URL
     res.status(404).send()
   } else {
-    const share = await api.getShareByKey(req.params.key)
+    const share = await immich.getShareByKey(req.params.key)
     if (!share || !share.assets.length) {
       res.status(404).send()
     } else if (share.assets.length === 1) {
       // This is an individual item (not a gallery)
-      await serveImage(res, share.assets[0].id, getSize(req))
+      const asset = share.assets[0]
+      if (asset.type === AssetType.image) {
+        // Output the image directly
+        await render.assetBuffer(res, share.assets[0], getSize(req))
+      } else if (asset.type === AssetType.video) {
+        // Show the video as a web player
+        await render.gallery(res, share.assets, 1)
+      }
     } else {
       // Multiple images - render as a gallery
-      res.render('gallery', {
-        photos: share.assets.map(photo => {
-          return {
-            originalUrl: immich.imageUrl(photo.id),
-            thumbnailUrl: immich.imageUrl(photo.id, ImageSize.thumbnail)
-          }
-        })
-      })
+      await render.gallery(res, share.assets, 1)
     }
   }
 })
 
-app.get('/photo/:id', (req, res) => {
-  if (req.params.id.match(/^\w{8}-\w{4}-\w{4}-\w{4}-\w{12}$/)) {
-    // Check for photo
-    serveImage(res, req.params.id, getSize(req)).then()
-  } else {
+// Output the buffer data for an photo or video
+app.get('/:type(photo|video)/:id', (req, res) => {
+  if (!immich.isId(req.params.id)) {
     // Invalid characters in the incoming URL
     res.status(404).send()
+    return
+  }
+  const asset = {
+    id: req.params.id,
+    type: req.params.type === 'video' ? AssetType.video : AssetType.image
+  }
+  switch (req.params.type) {
+    case 'photo':
+    case 'video':
+      render.assetBuffer(res, asset, getSize(req)).then()
+      break
   }
 })
 

src/render.ts

@@ -0,0 +1,54 @@
+import immich from './immich'
+import { Response } from 'express-serve-static-core'
+import { Asset, AssetType, ImageSize } from './types'
+import dayjs from 'dayjs'
+
+class Render {
+  async assetBuffer (res: Response, asset: Asset, size?: ImageSize) {
+    const data = await immich.getAssetBuffer(asset, size)
+    if (data) {
+      for (const header of ['content-type', 'content-length']) {
+        res.set(header, data.headers[header])
+      }
+      console.log(`${dayjs().format()} Serving asset ${asset.id}`)
+      res.send(Buffer.from(await data.arrayBuffer()))
+    } else {
+      res.status(404).send()
+    }
+  }
+
+  async gallery (res: Response, assets: Asset[], openItem?: number) {
+    const items = []
+    for (const asset of assets) {
+      let video
+      if (asset.type === AssetType.video) {
+        // Populate the data-video property
+        video = JSON.stringify({
+          source: [
+            {
+              src: immich.videoUrl(asset.id),
+              type: await immich.getContentType(asset)
+            }
+          ],
+          attributes: {
+            preload: false,
+            controls: true
+          }
+        })
+      }
+      items.push({
+        originalUrl: immich.photoUrl(asset.id),
+        thumbnailUrl: immich.photoUrl(asset.id, ImageSize.thumbnail),
+        video
+      })
+    }
+    res.render('gallery', {
+      items,
+      openItem
+    })
+  }
+}
+
+const render = new Render()
+
+export default render

views/gallery.ejs

@@ -7,21 +7,36 @@
 </head>
 <body>
 <div id="lightgallery">
-    <% photos.forEach(photo => { %>
-        <a href="<%- photo.originalUrl %>">
-            <img alt="" src="<%- photo.thumbnailUrl %>" />
+    <% items.forEach(item => {
+    if (item.video) { %>
+        <a data-video='<%- item.video %>'>
+            <img alt="" src="<%- item.thumbnailUrl %>"/>
+            <div class="play-icon"></div>
         </a>
-    <% }) %>
+    <% } else { %>
+        <a href="<%- item.originalUrl %>">
+            <img alt="" src="<%- item.thumbnailUrl %>"/>
+        </a>
+    <% }
+    }) %>
 </div>
 <script src="/lightgallery.min.js"></script>
 <script src="/lg-thumbnail.min.js"></script>
+<script src="/lg-video.min.js"></script>
 <script src="/lg-zoom.min.js"></script>
 <script type="text/javascript">
   lightGallery(document.getElementById('lightgallery'), {
-    plugins: [lgZoom, lgThumbnail],
+    plugins: [lgZoom, lgThumbnail, lgVideo],
     licenseKey: '0000-0000-000-0000',
     speed: 500
-  });
+  })
+  <% if (openItem) { %>
+  const openItem = <%- openItem %>
+  const thumbs = document.querySelectorAll('#lightgallery a')
+  if (thumbs.length >= openItem) {
+    thumbs[openItem - 1].click()
+  }
+  <% } %>
 </script>
 </body>
 </html>