create a new file for required scopes and use it

packages/slack/src/utils/check-communicable.ts

@@ -4,6 +4,7 @@ import { WebClient } from '@slack/web-api';
 
 import { generateWebClient } from './webclient-factory';
 import { ConnectionStatus } from '../interfaces/connection-status';
+import { requiredScopes } from './required-scopes';
 
 /**
  * Check whether the HTTP server responds or not.
@@ -45,11 +46,10 @@ const testSlackApiServer = async(client: WebClient): Promise<any> => {
 
 const checkSlackScopes = (resultTestSlackApiServer: any) => {
   const slackScopes = resultTestSlackApiServer.response_metadata.scopes;
-  const correctScopes = ['commands', 'team:read', 'chat:write'];
-  const isPassedScopeCheck = correctScopes.every(e => slackScopes.includes(e));
+  const isPassedScopeCheck = requiredScopes.every(e => slackScopes.includes(e));
 
   if (!isPassedScopeCheck) {
-    throw new Error('The scopes is not appropriate. Required scopes is [\'commands\', \'team:read\', \'chat:write\']');
+    throw new Error(`The scopes you registered are not appropriate. Required scopes are ${requiredScopes}`);
   }
 };
 

packages/slack/src/utils/required-scopes.ts

@@ -0,0 +1 @@
+export const requiredScopes: string[] = ['commands', 'team:read', 'chat:write', 'channels:history', 'groups:history', 'im:history', 'mpim:history'];

packages/slackbot-proxy/src/controllers/top.ts

@@ -3,6 +3,7 @@ import {
 } from '@tsed/common';
 
 import { InstallerService } from '~/services/InstallerService';
+import { requiredScopes } from '../../../slack/src/utils/required-scopes';
 
 const isOfficialMode = process.env.OFFICIAL_MODE === 'true';
 
@@ -18,15 +19,7 @@ export class TopCtrl {
   async getTopPage(): Promise<any> {
     const url = await this.installerService.installer.generateInstallUrl({
       // Add the scopes your app needs
-      scopes: [
-        'channels:history',
-        'commands',
-        'groups:history',
-        'im:history',
-        'mpim:history',
-        'chat:write',
-        'team:read',
-      ],
+      scopes: requiredScopes,
     });
 
     return { url, isOfficialMode };