add server to monorepo.

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

@@ -0,0 +1,54 @@
+import { Service, Inject } from 'typedi';
+import { includes, difference, camelCase, upperFirst } from 'lodash';
+import { ACCOUNT_TYPE } from '@/data/AccountTypes';
+import { IAccount, ICashflowTransactionLine } from '@/interfaces';
+import { getCashflowTransactionType } from './utils';
+import { ServiceError } from '@/exceptions';
+import { CASHFLOW_TRANSACTION_TYPE, ERRORS } from './constants';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+
+@Service()
+export class CommandCashflowValidator {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  /**
+   * Validates the lines accounts type should be cash or bank account.
+   * @param {IAccount} accounts -
+   */
+  public validateCreditAccountWithCashflowType = (
+    creditAccount: IAccount,
+    cashflowTransactionType: CASHFLOW_TRANSACTION_TYPE
+  ): void => {
+    const transactionTypeMeta = getCashflowTransactionType(
+      cashflowTransactionType
+    );
+    const noneCashflowAccount = !includes(
+      transactionTypeMeta.creditType,
+      creditAccount.accountType
+    );
+    if (noneCashflowAccount) {
+      throw new ServiceError(ERRORS.CREDIT_ACCOUNTS_HAS_INVALID_TYPE);
+    }
+  };
+
+  /**
+   * Validates the cashflow transaction type.
+   * @param   {string} transactionType
+   * @returns {string}
+   */
+  public validateCashflowTransactionType = (transactionType: string) => {
+    const transformedType = upperFirst(
+      camelCase(transactionType)
+    ) as CASHFLOW_TRANSACTION_TYPE;
+
+    // Retrieve the given transaction type meta.
+    const transactionTypeMeta = getCashflowTransactionType(transformedType);
+
+    // Throw service error in case not the found the given transaction type.
+    if (!transactionTypeMeta) {
+      throw new ServiceError(ERRORS.CASHFLOW_TRANSACTION_TYPE_INVALID);
+    }
+    return transformedType;
+  };
+}