Add tvg-id to sdlive-playlist

src/app/iptv/sdlive-playlist.m3u8/route.ts

@@ -1,18 +1,59 @@
-export async function GET(request: Request) {
-    const response = await fetch('https://sdlive-1-internal.d-ho.me/playlist.m3u8')
+import { debugLog } from "@/utils/debugLog"
 
-    if (!response.ok) {
-        return new Response('Failed to fetch playlist', { status: 500 })
+export async function GET(request: Request) {
+  const response = await fetch('https://sdlive-1-internal.d-ho.me/playlist.m3u8')
+
+  if (!response.ok) {
+    return new Response('Failed to fetch playlist', { status: 500 })
+  }
+
+  const playlist = await response.text()
+
+  const lines = playlist.split("\n")
+  debugLog(lines)
+
+  let newLines = [lines[0]]
+
+  for (let i = 1; i + 1 < lines.length; i += 2) {
+    let info = lines[i]
+    let streamURL = lines[i + 1]
+
+    debugLog(`Attempting to parse: info: ${info}. streamURL: ${streamURL}`)
+
+    // Basic validation to hope that assumptions are valid
+    if (!info.startsWith("#EXTINF:-1")) {
+      console.error(`iptv/sdlive-playlist.m3u8: One of the info lines did not start with #EXTINF:. Instead got: ${info}`)
+      return new Response("Internal Server Error", { status: 500 })
+    } else if (info.includes("tvg-id")) {
+      console.warn("iptv/sdlive-playlist.m3u8: One of the channels already has a tvg-id. Channel skipped.")
+      newLines.push(info, streamURL)
+      continue
+    } else if (!streamURL.match(/\/stream\/[0-9]+\.m3u8$/)) {
+      console.error(`iptv/sdlive-playlist.m3u8: One of the streamURLs did not match expected ending. Instead got: ${streamURL}`)
+      return new Response("Internal Server Error", { status: 500 })
     }
 
-    const playlist = await response.text()
+    // Add tvg-id. This will need to be better parsed
+    const afterExtInf = info.slice(11)
+    const sdliveChannelNum = streamURL.split("/").at(-1)?.slice(0, -5)
+
+    if (sdliveChannelNum == null) {
+      console.error("iptv/sdlive-playlist.m3u8: One of the streamURLs was not a number")
+      return new Response("Internal Server Error", { status: 500 })
+    }
+
+    const newInfo = `#EXTINF:-1 tvg-id="${sdliveChannelNum}.sdlive" ${afterExtInf}`
+
+    newLines.push(newInfo, streamURL)
+  }
+
+  const parsedPlaylist = newLines.join("\n")
 
 
-
-    return new Response(playlist, {
-        headers: {
-            'Content-Disposition': 'attachment; filename="sdlive-playlist.m3u8"',
-            'Content-Type': 'application/vnd.apple.mpegurl',
-        }
-    })
+  return new Response(parsedPlaylist, {
+    headers: {
+      'Content-Disposition': 'attachment; filename="sdlive-playlist.m3u8"',
+      'Content-Type': 'application/vnd.apple.mpegurl',
+    }
+  })
 }