feat: add socker connection between client and server

packages/server/src/system/models/SystemPlaidItem.ts

@@ -0,0 +1,49 @@
+import { Model } from 'objection';
+import SystemModel from '@/system/models/SystemModel';
+
+export default class SystemPlaidItem extends SystemModel {
+  tenantId: number;
+  plaidItemId: string;
+
+  /**
+   * Table name.
+   */
+  static get tableName() {
+    return 'plaid_items';
+  }
+
+  /**
+   * Timestamps columns.
+   */
+  get timestamps() {
+    return ['createdAt', 'updatedAt'];
+  }
+
+  /**
+   * Virtual attributes.
+   */
+  static get virtualAttributes() {
+    return [];
+  }
+
+  /**
+   * Relationship mapping.
+   */
+  static get relationMappings() {
+    const Tenant = require('system/models/Tenant');
+
+    return {
+      /**
+       * System user may belongs to tenant model.
+       */
+      tenant: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: Tenant.default,
+        join: {
+          from: 'users.tenantId',
+          to: 'tenants.id',
+        },
+      },
+    };
+  }
+}