feat: wip migrate server to nestjs

packages/server-nest/src/modules/Tenancy/TenancyContext.service.ts

@@ -0,0 +1,39 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { ClsService } from 'nestjs-cls';
+import { SystemUser } from '../System/models/SystemUser';
+import { TenantModel } from '../System/models/TenantModel';
+
+@Injectable()
+export class TenancyContext {
+  constructor(
+    private readonly cls: ClsService,
+
+    @Inject(SystemUser.name)
+    private readonly systemUserModel: typeof SystemUser,
+
+    @Inject(TenantModel.name)
+    private readonly systemTenantModel: typeof TenantModel,
+  ) {}
+
+  /**
+   * Get the current tenant.
+   * @returns
+   */
+  getTenant() {
+    // Get the tenant from the request headers.
+    const organizationId = this.cls.get('organizationId');
+
+    return this.systemTenantModel.query().findOne({ organizationId });
+  }
+
+  /**
+   *
+   * @returns
+   */
+  getSystemUser() {
+    // Get the user from the request headers.
+    const userId = this.cls.get('userId');
+
+    return this.systemUserModel.query().findOne({ id: userId });
+  }
+}