feat(nestjs): migrate to NestJS

packages/server/src/modules/TenantDBManager/_utils.ts

@@ -0,0 +1,34 @@
+import { TenantModel } from '../System/models/TenantModel';
+import { TenantAlreadyInitialized } from './exceptions/TenantAlreadyInitialized';
+import { TenantAlreadySeeded } from './exceptions/TenantAlreadySeeded';
+import { TenantDatabaseNotBuilt } from './exceptions/TenantDatabaseNotBuilt';
+
+/**
+ * Throws error if the tenant already seeded.
+ * @throws {TenantAlreadySeeded}
+ */
+export const throwErrorIfTenantAlreadySeeded = (tenant: TenantModel) => {
+  if (tenant.seededAt) {
+    throw new TenantAlreadySeeded();
+  }
+};
+
+/**
+ * Throws error if the tenant database is not built yut.
+ * @param {ITenant} tenant
+ */
+export const throwErrorIfTenantNotBuilt = (tenant: TenantModel) => {
+  if (!tenant.initializedAt) {
+    throw new TenantDatabaseNotBuilt();
+  }
+};
+
+/**
+ * Throws error if the tenant already migrated.
+ * @throws {TenantAlreadyInitialized}
+ */
+export const throwErrorIfTenantAlreadyInitialized = (tenant: TenantModel) => {
+  if (tenant.initializedAt) {
+    throw new TenantAlreadyInitialized();
+  }
+};