Code refactoring.

client/videowatch/uri.ts

@@ -0,0 +1,75 @@
+import type { ChatType } from 'shared/lib/types'
+import { AutoColors, isAutoColorsAvailable } from 'shared/lib/autocolors'
+import { logger } from './logger'
+import { computeAutoColors } from './colors'
+
+function getBaseRoute ({ peertubeHelpers }: RegisterOptions): string {
+  // NB: this will come with Peertube > 3.2.1 (3.3.0?)
+  if (peertubeHelpers.getBaseRouterRoute) {
+    return peertubeHelpers.getBaseRouterRoute()
+  }
+  // We are guessing the route with the correct plugin version with this trick:
+  const staticBase = peertubeHelpers.getBaseStaticRoute()
+  // we can't use '/plugins/livechat/router', because the loaded html page needs correct relative paths.
+  return staticBase.replace(/\/static.*$/, '/router')
+}
+
+function getIframeUri (registerOptions: RegisterOptions, settings: any, video: Video): string | null {
+  if (!settings) {
+    logger.error('Settings are not initialized, too soon to compute the iframeUri')
+    return null
+  }
+  let iframeUri = ''
+  const chatType: ChatType = (settings['chat-type'] ?? 'disabled') as ChatType
+  if (chatType === 'builtin-prosody' || chatType === 'builtin-converse') {
+    // Using the builtin converseJS
+    iframeUri = getBaseRoute(registerOptions) + '/webchat/room/' + encodeURIComponent(video.uuid)
+  } else if (chatType === 'external-uri') {
+    iframeUri = settings['chat-uri'] || ''
+    iframeUri = iframeUri.replace(/{{VIDEO_UUID}}/g, encodeURIComponent(video.uuid))
+    if (iframeUri.includes('{{CHANNEL_ID}}')) {
+      if (!video.channel || !video.channel.id) {
+        logger.error('Missing channel info in video object.')
+        return null
+      }
+      iframeUri = iframeUri.replace(/{{CHANNEL_ID}}/g, encodeURIComponent(video.channel.id))
+    }
+    if (!/^https?:\/\//.test(iframeUri)) {
+      logger.error('The webchaturi must begin with https://')
+      return null
+    }
+  } else {
+    logger.error('Chat disabled.')
+    return null
+  }
+  if (iframeUri === '') {
+    logger.error('No iframe uri')
+    return null
+  }
+
+  if (
+    settings['converse-autocolors'] &&
+    isAutoColorsAvailable(settings['chat-type'] as ChatType, settings['converse-theme'])
+  ) {
+    logger.info('We have to try to compute autocolors.')
+    try {
+      const autocolors = computeAutoColors()
+      if (autocolors) {
+        const url = new URL(iframeUri, window.location.origin)
+        for (const p in autocolors) {
+          url.searchParams.set('_ac_' + p, autocolors[p as keyof AutoColors])
+        }
+        iframeUri = url.href
+      }
+    } catch (err) {
+      logger.error(`Failed computing autocolors:  '${err as string}'`)
+    }
+  }
+
+  return iframeUri
+}
+
+export {
+  getBaseRoute,
+  getIframeUri
+}