feat: Batch sequence steps in sequence creation and implement for Sal…

…esloft + Outeach (#1661)

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Fixes:
https://linear.app/supaglue/issue/SUP-474/add-unified-api-endpoints-for-createupdate-sequence-sequence-steps-for

## Test Plan

Manually hitting the implemented API endpoints and checking if the
required objects have been created in Salesloft and outreach.
Translate `intervalSeconds` to salesloft's day semantic. 
[Breaking] Default to 0 for `intervalSeconds` in outreach if `date` (for absolute-dated sequences) is also not specified)

apps/api/package.json

@@ -29,6 +29,7 @@
     "uuid": "^9.0.0"
   },
   "devDependencies": {
+    "@hapi/boom": "^10.0.1",
     "@tsconfig/node18": "^1.0.1",
     "@types/cors": "^2.8.13",
     "@types/express": "^4.17.17",

apps/api/routes/oauth.ts

@@ -1,6 +1,7 @@
 import { getDependencyContainer } from '@/dependency_container';
+import type { Boom } from '@hapi/boom';
 import { Client as HubspotClient } from '@hubspot/api-client';
-import { BadRequestError } from '@supaglue/core/errors';
+import { BadRequestError, InternalServerError } from '@supaglue/core/errors';
 import { getConnectorAuthConfig } from '@supaglue/core/remotes';
 import type {
   ConnectionCreateParamsAny,
@@ -25,6 +26,10 @@ import { Router } from 'express';
 import type { AuthorizationMethod } from 'simple-oauth2';
 import simpleOauth2 from 'simple-oauth2';
 
+function isBoom<T>(err: any): err is Boom<T> {
+  return err.isBoom;
+}
+
 const { providerService, connectionAndSyncService, applicationService } = getDependencyContainer();
 
 const SERVER_URL = process.env.SUPAGLUE_SERVER_URL ?? 'http://localhost:8080';
@@ -231,21 +236,25 @@ export default function init(app: Router): void {
 
       // TODO: We should move all the logic that is conditional on providerName
       // to their respective files
-      const tokenWrapper = await client.getToken(
-        {
-          code,
-          redirect_uri: REDIRECT_URI,
-          ...additionalAuthParams,
-        },
-        {
-          headers:
-            providerName === 'gong'
-              ? {
-                  Authorization: `Basic ${Buffer.from(`${oauthClientId}:${oauthClientSecret}`).toString('base64')}`,
-                }
-              : undefined,
-        }
-      );
+      const tokenWrapper = await client
+        .getToken(
+          { code, redirect_uri: REDIRECT_URI, ...additionalAuthParams },
+          {
+            headers:
+              providerName === 'gong'
+                ? { Authorization: `Basic ${Buffer.from(`${oauthClientId}:${oauthClientSecret}`).toString('base64')}` }
+                : undefined,
+          }
+        )
+        .catch((err) => {
+          if (isBoom(err)) {
+            // simple-oauth2 throws boom error.
+            // Avoids circular reference issue when throwing a boom error directly
+            // Though we aren't able to get the actual json response data @see https://share.cleanshot.com/DwwWn5Cj
+            throw new InternalServerError(err.message);
+          }
+          throw err;
+        });
 
       let instanceUrl = (tokenWrapper.token['instance_url'] as string) ?? '';