add video versioning

src/router/video.ts

@@ -26,17 +26,30 @@ app.get('/watch', async ({ query: { v }, set, redirect, error }) => {
     return cached
   }
 
-  if (!v.match(/[\w\-_]{11}/)) return error(404)
+  const idMatch = v.match(/^([\w\-_]{11})(?:-(\d+))?$/)
+  if (!idMatch) return error(404)
 
-  const json = await db.selectFrom('videos')
+  const baseId = idMatch[1];
+  const escapeRegex = (value: string) => value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+  const allowedVersionPattern = new RegExp(`^${escapeRegex(baseId)}(?:-\\d+)?$`);
+
+  const videoVersions = (await db.selectFrom('videos')
     .selectAll()
-    .where('id', '=', v)
+    .where('id', 'like', `${baseId}%`)
-    .executeTakeFirst()
+    .execute())
+    .filter(video => allowedVersionPattern.test(video.id))
+    .sort((a, b) => {
+      const aVersion = Number(a.id.slice(baseId.length + 1) || 1);
+      const bVersion = Number(b.id.slice(baseId.length + 1) || 1);
+      return aVersion - bVersion;
+    });
+
+  const json = videoVersions.find(video => video.id === v) || videoVersions[0];
 
   if (!json) {
     const html = await m(eta.render('./watch', { 
       isMissing: true,
-      id: v,
+      id: baseId,
       title: 'Video Not Found | PreserveTube',
       manualAnalytics: true
     }))
@@ -45,13 +58,13 @@ app.get('/watch', async ({ query: { v }, set, redirect, error }) => {
     set.headers['content-type'] = 'text/html; charset=utf-8'
     return error(404, html)
   }
-  if (json.disabled) return redirect(`/transparency/${v}`)
+  if (json.disabled) return redirect(`/transparency/${json.id}`)
 
   let transparency: any[] = []
   if (json.hasBeenReported) {
     transparency = await db.selectFrom('reports')
       .selectAll()
-      .where('target', '=', v)
+      .where('target', '=', json.id)
       .execute()
   }
 
@@ -85,6 +98,11 @@ app.get('/watch', async ({ query: { v }, set, redirect, error }) => {
 
   const html = await m(eta.render('./watch', { 
     transparency,
+    versions: videoVersions.map(video => ({
+      id: video.id,
+      archived: video.archived
+    })),
+    baseId,
     ...json,
     description: DOMPurify.sanitize(json.description),
     title: `${json.title} | PreserveTube`,

src/templates/watch.eta

@@ -11,10 +11,28 @@
   <div class="content-wrapper">
     <div class="main-content">
       <div class="report">
+        <% if (it.versions && it.versions.length > 1) { %>
+          <div class="version-picker">
+            <label for="version-select">Version:</label>
+            <select
+              id="version-select"
+              onchange="window.location.href = '/watch?v=' + this.value"
+            >
+              <% it.versions.forEach(function(version, index){ %>
+                <option value="<%= version.id %>" <%= version.id === it.id ? 'selected' : '' %>>
+                  v<%= version.id.slice(it.baseId.length + 1) || '1' %> (archived <%= version.archived %>)
+                </option>
+              <% }) %>
+            </select>
+          </div>
+        <% } else { %>
+          <div></div>
+        <% } %>
+        <div class="report-links">
           <a href="abuse">[report abuse]</a>
-        <div class="space"></div>
           <a href="about">[faq]</a>
         </div>
+      </div>
       
       <% if (it.transparency.length != 0) { %>
         <div class="reports">
@@ -76,13 +94,16 @@
   }
 
   .report {
-    text-align: right;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: 1rem;
     margin-top: 5px;
   }
 
-  .space {
+  .report-links {
-    display: inline-block;
+    display: flex;
-    width: 0.5%;
+    gap: 0.5rem;
   }
 
   video {
@@ -154,6 +175,17 @@
     font-weight: 600;
   }
 
+  .version-picker {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+  }
+
+  .version-picker select {
+    font: inherit;
+    padding: 0.2rem 0.4rem;
+  }
+
   .video-wrapper {
     position: relative;
     display: inline-block;