feat: get channels api

Author: christian-fei

lib/server.js

@@ -38,6 +38,8 @@ export function createServer ({repo, connections = []}) {
     /* api */
     if (url.pathname === '/api/channels' && req.method === 'POST') 
       return addChannelHandler(req, res, repo, connections)
+    if (url.pathname === '/api/channels' && req.method === 'GET') 
+      return getChannelHandler(req, res, repo, connections)
     if (url.pathname === '/api/download-video' && req.method === 'POST') 
       return downloadVideoHandler(req, res, repo, connections)
     if (url.pathname === '/api/summarize-video' && req.method === 'POST') 
@@ -132,6 +134,12 @@ export function createServer ({repo, connections = []}) {
     return res.end('Channel not found')
   }
 
+  async function getChannelHandler(req, res, repo, connections = []) {
+    const channels = repo.getChannels()
+    res.writeHead(200, { 'Content-Type': 'application/json' })
+    return res.end(JSON.stringify(channels))
+  }
+
   async function downloadVideoHandler(req, res, repo, connections = []) {
     const body = await getBody(req)
     let { id, external } = JSON.parse(body)