integration-tests/src/test/java/org/apache/fineract/integrationtests/LoanApplicationRejectionForLoanProductWithPeriodicAccrualAccountingTest.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
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package org.apache.fineract.integrationtests;

import static org.junit.jupiter.api.Assertions.assertTrue;

import io.restassured.builder.RequestSpecBuilder;
import io.restassured.builder.ResponseSpecBuilder;
import io.restassured.http.ContentType;
import io.restassured.specification.RequestSpecification;
import io.restassured.specification.ResponseSpecification;
import java.util.UUID;
import org.apache.fineract.client.models.GetLoansLoanIdResponse;
import org.apache.fineract.client.models.PostLoansLoanIdRequest;
import org.apache.fineract.client.models.PostLoansLoanIdResponse;
import org.apache.fineract.integrationtests.common.ClientHelper;
import org.apache.fineract.integrationtests.common.Utils;
import org.apache.fineract.integrationtests.common.accounting.Account;
import org.apache.fineract.integrationtests.common.accounting.AccountHelper;
import org.apache.fineract.integrationtests.common.loans.LoanApplicationTestBuilder;
import org.apache.fineract.integrationtests.common.loans.LoanProductTestBuilder;
import org.apache.fineract.integrationtests.common.loans.LoanTestLifecycleExtension;
import org.apache.fineract.integrationtests.common.loans.LoanTransactionHelper;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

@ExtendWith(LoanTestLifecycleExtension.class)
public class LoanApplicationRejectionForLoanProductWithPeriodicAccrualAccountingTest {

    private ResponseSpecification responseSpec;
    private RequestSpecification requestSpec;
    private ClientHelper clientHelper;
    private LoanTransactionHelper loanTransactionHelper;
    private AccountHelper accountHelper;

    @BeforeEach
    public void setup() {
        Utils.initializeRESTAssured();
        this.requestSpec = new RequestSpecBuilder().setContentType(ContentType.JSON).build();
        this.requestSpec.header("Authorization", "Basic " + Utils.loginIntoServerAndGetBase64EncodedAuthenticationKey());
        this.responseSpec = new ResponseSpecBuilder().expectStatusCode(200).build();
        this.loanTransactionHelper = new LoanTransactionHelper(this.requestSpec, this.responseSpec);
        this.clientHelper = new ClientHelper(this.requestSpec, this.responseSpec);
        this.accountHelper = new AccountHelper(this.requestSpec, this.responseSpec);
    }

    @Test
    public void loanApplicationRejectionForPeriodicAccrualAccountingLoanProductTest() {

        Account assetAccount = this.accountHelper.createAssetAccount();
        Account incomeAccount = this.accountHelper.createIncomeAccount();
        Account expenseAccount = this.accountHelper.createExpenseAccount();
        Account overpaymentAccount = this.accountHelper.createLiabilityAccount();

        // Create Loan Product with Periodic Accrual accounting
        final Integer loanProductID = createLoanProductWithPeriodicAccrualAccounting(assetAccount, incomeAccount, expenseAccount,
                overpaymentAccount);

        // Loan ExternalId
        String loanExternalIdStr = UUID.randomUUID().toString();

        // Client and Loan account creation
        final Integer clientId = clientHelper.createClient(ClientHelper.defaultClientCreationRequest()).getClientId().intValue();

        final Integer loanId = createLoanAccount(clientId, loanProductID, loanExternalIdStr);

        // verify Loan status as submitted and pending approval
        GetLoansLoanIdResponse loanDetails = this.loanTransactionHelper.getLoanDetails((long) loanId);
        assertTrue(loanDetails.getStatus().getPendingApproval());

        // Reject Loan application
        PostLoansLoanIdResponse result = this.loanTransactionHelper.rejectLoan(loanExternalIdStr,
                new PostLoansLoanIdRequest().rejectedOnDate("3 September 2022").locale("en").dateFormat("dd MMMM yyyy"));

        // Verify Loan application status is Rejected
        assertTrue(result.getChanges().getStatus().getValue().equals("Rejected"));

    }

    private Integer createLoanProductWithPeriodicAccrualAccounting(final Account... accounts) {

        final String loanProductJSON = new LoanProductTestBuilder().withPrincipal("1000").withRepaymentAfterEvery("1")
                .withNumberOfRepayments("1").withRepaymentTypeAsMonth().withinterestRatePerPeriod("0")
                .withInterestRateFrequencyTypeAsMonths().withAmortizationTypeAsEqualPrincipalPayment().withInterestTypeAsFlat()
                .withAccountingRulePeriodicAccrual(accounts).withDaysInMonth("30").withDaysInYear("365").withMoratorium("0", "0")
                .build(null);

        return this.loanTransactionHelper.getLoanProductId(loanProductJSON);
    }

    private Integer createLoanAccount(final Integer clientID, final Integer loanProductID, final String externalId) {

        String loanApplicationJSON = new LoanApplicationTestBuilder().withPrincipal("1000").withLoanTermFrequency("1")
                .withLoanTermFrequencyAsMonths().withNumberOfRepayments("1").withRepaymentEveryAfter("1")
                .withRepaymentFrequencyTypeAsMonths().withInterestRatePerPeriod("0").withInterestTypeAsFlatBalance()
                .withAmortizationTypeAsEqualPrincipalPayments().withInterestCalculationPeriodTypeSameAsRepaymentPeriod()
                .withExpectedDisbursementDate("03 September 2022").withSubmittedOnDate("01 September 2022").withLoanType("individual")
                .withExternalId(externalId).build(clientID.toString(), loanProductID.toString(), null);

        final Integer loanId = loanTransactionHelper.getLoanId(loanApplicationJSON);
        return loanId;
    }

}