Add JSON field type and Event object (#4566)

* Add JSON field type and Event object

* Simplify code

* Adress PR comments and add featureFlag

packages/twenty-server/src/engine/api/graphql/workspace-query-runner/jobs/save-event-to-db.job.ts

@@ -0,0 +1,54 @@
+import { Injectable } from '@nestjs/common';
+
+import { MessageQueueJob } from 'src/engine/integrations/message-queue/interfaces/message-queue-job.interface';
+
+import { DataSourceService } from 'src/engine-metadata/data-source/data-source.service';
+import { WorkspaceDataSourceService } from 'src/engine/workspace-datasource/workspace-datasource.service';
+
+export type SaveEventToDbJobData = {
+  workspaceId: string;
+  recordId: string;
+  objectName: string;
+  operation: string;
+  details: any;
+};
+
+@Injectable()
+export class SaveEventToDbJob implements MessageQueueJob<SaveEventToDbJobData> {
+  constructor(
+    private readonly dataSourceService: DataSourceService,
+    private readonly workspaceDataSourceService: WorkspaceDataSourceService,
+  ) {}
+
+  async handle(data: SaveEventToDbJobData): Promise<void> {
+    const dataSourceMetadata =
+      await this.dataSourceService.getLastDataSourceMetadataFromWorkspaceIdOrFail(
+        data.workspaceId,
+      );
+    const workspaceDataSource =
+      await this.workspaceDataSourceService.connectToWorkspaceDataSource(
+        data.workspaceId,
+      );
+
+    const eventType = `${data.operation}.${data.objectName}`;
+
+    // TODO: add "workspaceMember" (who performed the action, need to send it in the event)
+    // TODO: need to support objects others than "person", "company", "opportunities"
+
+    if (
+      data.objectName != 'person' &&
+      data.objectName != 'company' &&
+      data.objectName != 'opportunities'
+    ) {
+      return;
+    }
+
+    await workspaceDataSource?.query(
+      `INSERT INTO ${dataSourceMetadata.schema}."event"
+      ("name", "properties", "${data.objectName}Id")
+      VALUES ('${eventType}', '${JSON.stringify(data.details)}', '${
+        data.recordId
+      }') RETURNING *`,
+    );
+  }
+}