add server to monorepo.

packages/server/src/services/Cashflow/CashflowDeleteAccount.ts

@@ -0,0 +1,30 @@
+import { Service, Inject } from 'typedi';
+import { ServiceError } from '@/exceptions';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { ERRORS } from './constants';
+
+@Service()
+export default class CashflowDeleteAccount {
+  @Inject()
+  tenancy: HasTenancyService;
+
+  /**
+   * Validate the account has no associated cashflow transactions.
+   * @param {number} tenantId 
+   * @param {number} accountId 
+   */
+  public validateAccountHasNoCashflowEntries = async (
+    tenantId: number,
+    accountId: number
+  ) => {
+    const { CashflowTransactionLine } = this.tenancy.models(tenantId);
+
+    const associatedLines = await CashflowTransactionLine.query()
+      .where('creditAccountId', accountId)
+      .orWhere('cashflowAccountId', accountId);
+
+    if (associatedLines.length > 0) {
+      throw new ServiceError(ERRORS.ACCOUNT_HAS_ASSOCIATED_TRANSACTIONS)
+    }
+  };
+}