Add videosCount to channels

server/lib/elastic-search/elastic-search-channels.ts

@@ -155,6 +155,7 @@ function formatChannelForDB (c: IndexableChannel): DBChannel {
 
     description: c.description,
     support: c.support,
+    videosCount: c.videosCount,
 
     handle: `${c.name}@${c.host}`,
 
@@ -182,6 +183,10 @@ function buildChannelsMapping () {
   const base = buildChannelOrAccountCommonMapping()
 
   Object.assign(base, {
+    videosCount: {
+      type: 'long'
+    },
+
     support: {
       type: 'keyword'
     },

server/lib/requests/peertube-instance.ts

@@ -25,7 +25,27 @@ async function getChannel (host: string, name: string): Promise<IndexableChannel
     json: true
   }, REQUESTS.MAX_RETRIES, REQUESTS.WAIT)
 
-  return prepareChannelForDB(res.body, host)
+  const videosCount = await getChannelVideosCount(host, name)
+
+  return prepareChannelForDB(res.body, host, videosCount)
+}
+
+async function getChannelVideosCount (host: string, name: string): Promise<number> {
+  const url = 'https://' + host + '/api/v1/video-channels/' + name + '/videos'
+
+  const res = await doRequestWithRetries<ResultList<Video>>({
+    uri: url,
+    qs: {
+      start: 0,
+      count: 0
+    },
+    json: true
+  }, REQUESTS.MAX_RETRIES, REQUESTS.WAIT)
+
+  const total = res.body?.total
+  if (!total || typeof total !== 'number') return 0
+
+  return total
 }
 
 async function getVideos (host: string, start: number): Promise<IndexableVideo[]> {
@@ -78,10 +98,11 @@ function prepareVideoForDB <T extends Video> (video: T, host: string): T & Index
   })
 }
 
-function prepareChannelForDB (channel: VideoChannel, host: string): IndexableChannel {
+function prepareChannelForDB (channel: VideoChannel, host: string, videosCount: number): IndexableChannel {
   return Object.assign(channel, {
     elasticSearchId: host + channel.id,
     host,
+    videosCount,
     url: 'https://' + host + '/video-channels/' + channel.name
   })
 }