Add In-Reply-To to Email Workflow Node (#18641)

Co-authored-by: github-actions <github-actions@twenty.com>
Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/modules/messaging/message-outbound-manager/drivers/microsoft/services/microsoft-message-outbound.service.ts

@@ -1,13 +1,13 @@
 import { Injectable } from '@nestjs/common';
 
-import { z } from 'zod';
-
 import { type MessageOutboundDriver } from 'src/modules/messaging/message-outbound-manager/interfaces/message-outbound-driver.interface';
 
 import { OAuth2ClientManagerService } from 'src/modules/connected-account/oauth2-client-manager/services/oauth2-client-manager.service';
 import { type ConnectedAccountWorkspaceEntity } from 'src/modules/connected-account/standard-objects/connected-account.workspace-entity';
 import { toMicrosoftRecipients } from 'src/modules/messaging/message-import-manager/utils/to-microsoft-recipients.util';
 import { type SendMessageInput } from 'src/modules/messaging/message-outbound-manager/types/send-message-input.type';
+import { type Client as MicrosoftGraphClient } from '@microsoft/microsoft-graph-client';
+import { isDefined } from 'twenty-shared/utils';
 
 @Injectable()
 export class MicrosoftMessageOutboundService implements MessageOutboundDriver {
@@ -24,13 +24,12 @@ export class MicrosoftMessageOutboundService implements MessageOutboundDriver {
         connectedAccount,
       );
 
-    const message = this.composeMicrosoftMessage(sendMessageInput);
+    const messageId = await this.createDraftMessage(
+      microsoftClient,
+      sendMessageInput,
+    );
 
-    const response = await microsoftClient.api(`/me/messages`).post(message);
-
-    z.string().parse(response.id);
-
-    await microsoftClient.api(`/me/messages/${response.id}/send`).post({});
+    await microsoftClient.api(`/me/messages/${messageId}/send`).post({});
   }
 
   async createDraft(
@@ -42,9 +41,50 @@ export class MicrosoftMessageOutboundService implements MessageOutboundDriver {
         connectedAccount,
       );
 
+    await this.createDraftMessage(microsoftClient, sendMessageInput);
+  }
+
+  private async createDraftMessage(
+    microsoftClient: MicrosoftGraphClient,
+    sendMessageInput: SendMessageInput,
+  ): Promise<string> {
+    const parentMessageGraphId = sendMessageInput.inReplyTo
+      ? await this.findMessageByInternetMessageId(
+          microsoftClient,
+          sendMessageInput.inReplyTo,
+        )
+      : undefined;
+
     const message = this.composeMicrosoftMessage(sendMessageInput);
 
-    await microsoftClient.api(`/me/messages`).post(message);
+    if (isDefined(parentMessageGraphId)) {
+      const reply = await microsoftClient
+        .api(`/me/messages/${parentMessageGraphId}/createReply`)
+        .post({});
+
+      await microsoftClient.api(`/me/messages/${reply.id}`).patch(message);
+
+      return reply.id;
+    }
+
+    const response = await microsoftClient.api('/me/messages').post(message);
+
+    return response.id;
+  }
+
+  private async findMessageByInternetMessageId(
+    microsoftClient: MicrosoftGraphClient,
+    internetMessageId: string,
+  ): Promise<string | undefined> {
+    const encodedId = encodeURIComponent(internetMessageId);
+
+    const response = await microsoftClient
+      .api(
+        `/me/messages?$filter=internetMessageId eq '${encodedId}'&$select=id&$top=1`,
+      )
+      .get();
+
+    return response?.value?.[0]?.id;
   }
 
   private composeMicrosoftMessage(

packages/twenty-server/src/modules/messaging/message-outbound-manager/types/send-message-input.type.ts

@@ -12,4 +12,5 @@ export type SendMessageInput = {
     content: Buffer;
     contentType: string;
   }[];
+  inReplyTo?: string;
 };

packages/twenty-server/src/modules/messaging/message-outbound-manager/utils/to-mail-composer-options.util.ts

@@ -21,5 +21,11 @@ export const toMailComposerOptions = (
           })),
         }
       : {}),
+    ...(sendMessageInput.inReplyTo
+      ? {
+          inReplyTo: sendMessageInput.inReplyTo,
+          references: sendMessageInput.inReplyTo,
+        }
+      : {}),
   };
 };

packages/twenty-server/src/modules/workflow/workflow-executor/workflow-actions/mail-sender/types/workflow-send-email-action-input.type.ts

@@ -5,4 +5,5 @@ export type WorkflowSendEmailActionInput = {
   recipients: EmailRecipients;
   subject?: string;
   body?: string;
+  inReplyTo?: string;
 };