FINERACT-2017: Fix apply holidays to loans job

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/service/DateUtils.java

@@ -352,6 +352,24 @@ public final class DateUtils {
         return dateTime == null ? null : dateTime.format(getDateTimeFormatter(format, locale));
     }
 
+    /**
+     * Checks if a specific date falls within a given range (inclusive).
+     *
+     * @param targetDate
+     *            the date to be checked
+     * @param startDate
+     *            the start date of the range
+     * @param endDate
+     *            the end date of the range
+     * @return true if targetDate is within range or equal to start/end dates, otherwise false
+     */
+    public static boolean isDateWithinRange(LocalDate targetDate, LocalDate startDate, LocalDate endDate) {
+        if (targetDate == null || startDate == null || endDate == null) {
+            throw new IllegalArgumentException("Dates must not be null");
+        }
+        return !targetDate.isBefore(startDate) && !targetDate.isAfter(endDate);
+    }
+
     @NotNull
     private static DateTimeFormatter getDateFormatter(String format, Locale locale) {
         DateTimeFormatter formatter = DEFAULT_DATE_FORMATTER;

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/jobs/applyholidaystoloans/ApplyHolidaysToLoansTasklet.java

@@ -18,6 +18,8 @@
  */
 package org.apache.fineract.portfolio.loanaccount.jobs.applyholidaystoloans;
 
+import static org.apache.fineract.infrastructure.core.service.DateUtils.isDateWithinRange;
+
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -129,13 +131,13 @@ public class ApplyHolidaysToLoansTasklet implements Tasklet {
                 loanRepaymentScheduleInstallment.updateFromDate(tmpFromDate);
             }
 
-            if (!DateUtils.isBefore(oldDueDate, holiday.getFromDate())) {
+            if (isDateWithinRange(oldDueDate, holiday.getFromDate(), holiday.getToDate())) {
                 // FIXME: AA do we need to apply non-working days.
                 // Assuming holiday's repayment reschedule to date cannot be
                 // created on a non-working day.
 
-                adjustedRescheduleToDate = scheduledDateGenerator.generateNextRepaymentDate(adjustedRescheduleToDate, loanApplicationTerms,
-                        false);
+                adjustedRescheduleToDate = scheduledDateGenerator.generateNextRepaymentDateWhenHolidayApply(adjustedRescheduleToDate,
+                        loanApplicationTerms);
                 loanRepaymentScheduleInstallment.updateDueDate(adjustedRescheduleToDate);
             }
             tmpFromDate = loanRepaymentScheduleInstallment.getDueDate();

fineract-provider/src/main/java/org/apache/fineract/portfolio/loanaccount/loanschedule/domain/DefaultScheduledDateGenerator.java

@@ -358,4 +358,42 @@ public class DefaultScheduledDateGenerator implements ScheduledDateGenerator {
         }
         return adjustedDate;
     }
+
+    public LocalDate generateNextRepaymentDateWhenHolidayApply(final LocalDate lastRepaymentDate,
+            final LoanApplicationTerms loanApplicationTerms) {
+        LocalDate seedDate;
+        String reccuringString;
+        Calendar currentCalendar = loanApplicationTerms.getLoanCalendar();
+        LocalDate dueRepaymentPeriodDate = lastRepaymentDate;
+        dueRepaymentPeriodDate = (LocalDate) CalendarUtils.adjustDate(dueRepaymentPeriodDate, loanApplicationTerms.getSeedDate(),
+                loanApplicationTerms.getRepaymentPeriodFrequencyType());
+        if (currentCalendar != null) {
+            // If we have currentCalendar object, this means there is a
+            // calendar associated with
+            // the loan, and we should use it in order to calculate next
+            // repayment
+
+            CalendarHistory calendarHistory = null;
+            CalendarHistoryDataWrapper calendarHistoryDataWrapper = loanApplicationTerms.getCalendarHistoryDataWrapper();
+            if (calendarHistoryDataWrapper != null) {
+                calendarHistory = loanApplicationTerms.getCalendarHistoryDataWrapper().getCalendarHistory(dueRepaymentPeriodDate);
+            }
+
+            // get the start date from the calendar history
+            if (calendarHistory == null) {
+                seedDate = currentCalendar.getStartDateLocalDate();
+                reccuringString = currentCalendar.getRecurrence();
+            } else {
+                seedDate = calendarHistory.getStartDate();
+                reccuringString = calendarHistory.getRecurrence();
+            }
+
+            dueRepaymentPeriodDate = CalendarUtils.getNextRepaymentMeetingDate(reccuringString, seedDate, lastRepaymentDate,
+                    loanApplicationTerms.getRepaymentEvery(),
+                    CalendarUtils.getMeetingFrequencyFromPeriodFrequencyType(loanApplicationTerms.getLoanTermPeriodFrequencyType()),
+                    loanApplicationTerms.isSkipRepaymentOnFirstDayofMonth(), loanApplicationTerms.getNumberOfdays());
+        }
+
+        return dueRepaymentPeriodDate;
+    }
 }

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

@@ -44,9 +44,11 @@ import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.Objects;
 import java.util.TimeZone;
 import org.apache.fineract.client.models.BusinessDateRequest;
 import org.apache.fineract.client.models.GetJournalEntriesTransactionIdResponse;
@@ -299,7 +301,7 @@ public class SchedulerJobsTestResults {
         final Integer loanProductID = createLoanProduct(null);
         Assertions.assertNotNull(loanProductID);
 
-        final Integer loanID = applyForLoanApplication(clientID.toString(), loanProductID.toString(), null, "10 January 2013");
+        final Integer loanID = applyForLoanApplication(clientID.toString(), loanProductID.toString(), null, "01 January 2013");
         Assertions.assertNotNull(loanID);
 
         HashMap loanStatusHashMap = LoanStatusChecker.getStatusOfLoan(requestSpec, responseSpec, loanID);
@@ -329,21 +331,49 @@ public class SchedulerJobsTestResults {
 
         if (!enabled) {
             enabled = true;
-            configId = GlobalConfigurationHelper.updateEnabledFlagForGlobalConfiguration(requestSpec, responseSpec, configId, enabled);
+            GlobalConfigurationHelper.updateEnabledFlagForGlobalConfiguration(requestSpec, responseSpec, configId, enabled);
         }
 
         holidayId = HolidayHelper.activateHolidays(requestSpec, responseSpec, holidayId.toString());
         Assertions.assertNotNull(holidayId);
 
+        HashMap holidayData = HolidayHelper.getHolidayById(requestSpec, responseSpec, holidayId.toString());
+        ArrayList<Integer> repaymentsRescheduledDate = (ArrayList<Integer>) holidayData.get("repaymentsRescheduledTo");
+
+        // Loan Repayment Schedule Before Apply Holidays To Loans
+        LinkedHashMap repaymentScheduleHashMap = JsonPath.from(loanDetails).get("repaymentSchedule");
+        ArrayList<LinkedHashMap> periods = (ArrayList<LinkedHashMap>) repaymentScheduleHashMap.get("periods");
+
+        for (LinkedHashMap period : periods) {
+            ArrayList<Integer> fromDate = (ArrayList<Integer>) period.get("fromDate");
+            if (fromDate != null && Objects.equals(fromDate.get(1), repaymentsRescheduledDate.get(1))) {
+                Assertions.assertNotEquals(repaymentsRescheduledDate.get(2), fromDate.get(2),
+                        "Verifying Repayment Rescheduled Day before Running Apply Holidays to Loans Scheduler Job");
+            }
+        }
+
         String JobName = "Apply Holidays To Loans";
 
         this.schedulerJobHelper.executeAndAwaitJob(JobName);
 
-        HashMap holidayData = HolidayHelper.getHolidayById(requestSpec, responseSpec, holidayId.toString());
-        ArrayList<Integer> repaymentsRescheduledDate = (ArrayList<Integer>) holidayData.get("repaymentsRescheduledTo");
+        // Loan Repayment Schedule After Apply Holidays To Loans
+        loanDetails = this.loanTransactionHelper.getLoanDetails(requestSpec, responseSpec, loanID);
+        repaymentScheduleHashMap = JsonPath.from(loanDetails).get("repaymentSchedule");
+        periods = (ArrayList<LinkedHashMap>) repaymentScheduleHashMap.get("periods");
+        ArrayList<Integer> dateToApplyHolidays = null;
 
-        Assertions.assertEquals(repaymentsRescheduledDate, repaymentsRescheduledDate,
-                "Verifying Repayment Rescheduled Date after Running Apply Holidays to Loans Scheduler Job");
+        for (LinkedHashMap period : periods) {
+            ArrayList<Integer> fromDate = (ArrayList<Integer>) period.get("fromDate");
+            if (fromDate != null && Objects.equals(fromDate.get(1), repaymentsRescheduledDate.get(1))) {
+                dateToApplyHolidays = fromDate;
+            }
+        }
+
+        Assertions.assertNotNull(dateToApplyHolidays);
+        Assertions.assertEquals(repaymentsRescheduledDate.get(0), dateToApplyHolidays.get(0),
+                "Verifying Repayment Rescheduled Year after Running Apply Holidays to Loans Scheduler Job");
+        Assertions.assertEquals(repaymentsRescheduledDate.get(2), dateToApplyHolidays.get(2),
+                "Verifying Repayment Rescheduled Day after Running Apply Holidays to Loans Scheduler Job");
     }
 
     @Test