feat: Implement create dynamic data API endpoint

packages/backend/src/helpers/authorization.js

@@ -27,6 +27,10 @@ const authorizationList = {
     action: 'update',
     subject: 'Flow',
   },
+  'POST /api/v1/steps/:stepId/dynamic-data': {
+    action: 'update',
+    subject: 'Flow',
+  },
   'GET /api/v1/connections/:connectionId/flows': {
     action: 'read',
     subject: 'Flow',

packages/backend/src/helpers/error-handler.js

@@ -2,6 +2,7 @@ import logger from './logger.js';
 import objection from 'objection';
 import * as Sentry from './sentry.ee.js';
 const { NotFoundError, DataError } = objection;
+import HttpError from '../errors/http.js';
 
 // Do not remove `next` argument as the function signature will not fit for an error handler middleware
 // eslint-disable-next-line no-unused-vars
@@ -18,6 +19,17 @@ const errorHandler = (error, request, response, next) => {
     response.status(400).end();
   }
 
+  if (error instanceof HttpError) {
+    const httpErrorPayload = {
+      errors: JSON.parse(error.message),
+      meta: {
+        type: 'HttpError',
+      },
+    };
+
+    response.status(200).json(httpErrorPayload);
+  }
+
   const statusCode = error.statusCode || 500;
 
   logger.error(request.method + ' ' + request.url + ' ' + statusCode);