Implement api boilerplate

apps/app/src/features/openai/server/routes/get-messages.ts

@@ -0,0 +1,63 @@
+import { type IUserHasId } from '@growi/core';
+import { ErrorV3 } from '@growi/core/dist/models';
+import type { Request, RequestHandler } from 'express';
+import { type ValidationChain, body } from 'express-validator';
+
+import type Crowi from '~/server/crowi';
+import { accessTokenParser } from '~/server/middlewares/access-token-parser';
+import { apiV3FormValidator } from '~/server/middlewares/apiv3-form-validator';
+import type { ApiV3Response } from '~/server/routes/apiv3/interfaces/apiv3-response';
+import loggerFactory from '~/utils/logger';
+
+import { getOpenaiService } from '../services/openai';
+
+import { certifyAiService } from './middlewares/certify-ai-service';
+
+const logger = loggerFactory('growi:routes:apiv3:openai:get-message');
+
+type GetMessagesFactory = (crowi: Crowi) => RequestHandler[];
+
+type ReqBody = {
+  threadId: string,
+  aiAssistantId: string,
+}
+
+type Req = Request<undefined, Response, ReqBody> & {
+  user: IUserHasId,
+}
+
+export const getMessagesFactory: GetMessagesFactory = (crowi) => {
+  const loginRequiredStrictly = require('~/server/middlewares/login-required')(crowi);
+
+  const validator: ValidationChain[] = [
+    body('threadId').isString().withMessage('threadId must be string'),
+    body('aiAssistantId').isMongoId().withMessage('aiAssistantId must be string'),
+  ];
+
+  return [
+    accessTokenParser, loginRequiredStrictly, certifyAiService, validator, apiV3FormValidator,
+    async(req: Req, res: ApiV3Response) => {
+      const openaiService = getOpenaiService();
+      if (openaiService == null) {
+        return res.apiv3Err(new ErrorV3('GROWI AI is not enabled'), 501);
+      }
+
+      try {
+        const { aiAssistantId } = req.body;
+
+        const isAiAssistantUsable = openaiService.isAiAssistantUsable(aiAssistantId, req.user);
+        if (!isAiAssistantUsable) {
+          return res.apiv3Err(new ErrorV3('The specified AI assistant is not usable'), 400);
+        }
+
+        // TODO: Implement getMessages
+
+        return res.apiv3({});
+      }
+      catch (err) {
+        logger.error(err);
+        return res.apiv3Err(new ErrorV3('Failed to get threads'));
+      }
+    },
+  ];
+};