/*
* eGov suite of products aim to improve the internal efficiency,transparency,
* accountability and the service delivery of the government organizations.
*
* Copyright (C) <2015> eGovernments Foundation
*
* The updated version of eGov suite of products as by eGovernments Foundation
* is available at http://www.egovernments.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/ or
* http://www.gnu.org/licenses/gpl.html .
*
* In addition to the terms of the GPL license to be adhered to in using this
* program, the following additional terms are to be complied with:
*
* 1) All versions of this program, verbatim or modified must carry this
* Legal Notice.
*
* 2) Any misrepresentation of the origin of the material is prohibited. It
* is required that all modified versions of this material be marked in
* reasonable ways as different from the original version.
*
* 3) This license does not grant any rights to any user of the program
* with regards to rights under trademark law for use of the trade names
* or trademarks of eGovernments Foundation.
*
* In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org.
*/
package org.egov.wtms.web.controller.application;
import org.egov.infra.utils.DateUtils;
import org.egov.wtms.application.entity.MeterReadingConnectionDetails;
import org.egov.wtms.application.entity.WaterConnectionDetails;
import org.egov.wtms.application.repository.WaterConnectionDetailsRepository;
import org.egov.wtms.application.service.ConnectionDemandService;
import org.egov.wtms.application.service.WaterConnectionDetailsService;
import org.egov.wtms.masters.entity.WaterRatesDetails;
import org.egov.wtms.masters.entity.enums.ConnectionStatus;
import org.egov.wtms.masters.repository.WaterRatesDetailsRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;
import javax.servlet.http.HttpServletRequest;
import java.math.BigDecimal;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Locale;
@Controller
@RequestMapping(value = "/application")
public class MeterReadingController {
@Autowired
private WaterConnectionDetailsService waterConnectionDetailsService;
private final WaterConnectionDetailsRepository waterConnectionDetailsRepository;
private final WaterRatesDetailsRepository waterRatesDetailsRepository;
private final ConnectionDemandService connectionDemandService;
@Autowired
public MeterReadingController(final WaterConnectionDetailsRepository waterConnectionDetailsRepository,
final WaterRatesDetailsRepository waterRatesDetailsRepository,
final ConnectionDemandService connectionDemandService) {
this.waterConnectionDetailsRepository = waterConnectionDetailsRepository;
this.waterRatesDetailsRepository = waterRatesDetailsRepository;
this.connectionDemandService = connectionDemandService;
}
@ModelAttribute
public WaterConnectionDetails getWaterConnectionDetails(@PathVariable final String consumerCode) {
final WaterConnectionDetails waterConnectionDetails = waterConnectionDetailsService
.findByConsumerCodeAndConnectionStatus(consumerCode, ConnectionStatus.ACTIVE);
return waterConnectionDetails;
}
private String loadViewData(final Model model,
final WaterConnectionDetails waterConnectionDetails) {
final SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
model.addAttribute("waterConnectionDetails", waterConnectionDetails);
model.addAttribute("executionDate", formatter.format(waterConnectionDetails.getExecutionDate()));
model.addAttribute("feeDetails", connectionDemandService.getSplitFee(waterConnectionDetails));
model.addAttribute(
"connectionType",
waterConnectionDetailsService.getConnectionTypesMap().get(
waterConnectionDetails.getConnectionType().name()));
model.addAttribute("mode", "meterEntry");
model.addAttribute("meterReadingCurrentObj", new MeterReadingConnectionDetails());
BigDecimal waterTaxDueforParent=waterConnectionDetailsService.getTotalAmount(waterConnectionDetails);
model.addAttribute("waterTaxDueforParent",waterTaxDueforParent);
return "newconnection-meterEntry";
}
@RequestMapping(value = "/meterentry/{consumerCode}", method = RequestMethod.GET)
public String view(final Model model, @PathVariable final String consumerCode, final HttpServletRequest request) {
final WaterConnectionDetails waterConnectionDetails = waterConnectionDetailsService
.findByConsumerCodeAndConnectionStatus(consumerCode, ConnectionStatus.ACTIVE);
MeterReadingConnectionDetails meterReadingpriviousObj = null;
final List<MeterReadingConnectionDetails> meterReadingpriviousObjlist = waterConnectionDetailsRepository
.findPreviousMeterReadingReading(waterConnectionDetails.getId());
if (!meterReadingpriviousObjlist.isEmpty())
meterReadingpriviousObj = meterReadingpriviousObjlist.get(0);
else {
meterReadingpriviousObj = new MeterReadingConnectionDetails();
if (waterConnectionDetails.getConnection().getInitialReading() != null)
meterReadingpriviousObj.setCurrentReading(waterConnectionDetails.getConnection().getInitialReading());
// meterReadingpriviousObj.setCurrentReadingDate(waterConnectionDetails.getExecutionDate());
else
meterReadingpriviousObj.setCurrentReading(0l);
}
model.addAttribute("meterReadingpriviousObj", meterReadingpriviousObj);
if (connectionDemandService.meterEntryAllReadyExistForCurrentMonth(waterConnectionDetails, new Date()))
return "redirect:/application/meterdemandnotice?pathVar="
+ waterConnectionDetails.getConnection().getConsumerCode();
else
return loadViewData(model, waterConnectionDetails);
}
@RequestMapping(value = "/meterentry/{consumerCode}", method = RequestMethod.POST)
public String updateMeterEntry(@ModelAttribute WaterConnectionDetails waterConnectionDetails,
final BindingResult errors, final RedirectAttributes redirectAttrs, final Model model,
final HttpServletRequest request) {
String sourceChannel = request.getParameter("Source");
final SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy", Locale.getDefault());
Date givenDate = null;
try {
givenDate = dateFormat.parse(request.getParameter("metercurrentReadingDate"));
} catch (final ParseException e) {
}
if (connectionDemandService.meterEntryAllReadyExistForCurrentMonth(waterConnectionDetails, givenDate))
return "redirect:/application/meterdemandnotice?pathVar="
+ waterConnectionDetails.getConnection().getConsumerCode();
final MeterReadingConnectionDetails meterReadingConnectionDeatilObj = new MeterReadingConnectionDetails();
Long previousReading = 0l;
if (errors.hasErrors())
return "newconnection-meterEntry";
if (null != request.getParameter("previousreading") && !"".equals(request.getParameter("previousreading")))
previousReading = Long.valueOf(request.getParameter("previousreading"));
if (Long.valueOf(request.getParameter("metercurrentReading")) < previousReading) {
final String message = "Current rate should not be less than Previous reading";
model.addAttribute("message", message);
return "newconnection-meterEntry";
}
final WaterConnectionDetails waterconnectionDetails = billCalculationAndDemandUpdate(waterConnectionDetails, errors, request,
meterReadingConnectionDeatilObj, previousReading, dateFormat);
final WaterConnectionDetails savedWaterConnectionDetails = waterConnectionDetailsRepository
.save(waterconnectionDetails);
waterConnectionDetailsService.updateIndexes(savedWaterConnectionDetails,sourceChannel);
return "redirect:/application/meterdemandnotice?pathVar="
+ savedWaterConnectionDetails.getConnection().getConsumerCode();
}
private WaterConnectionDetails billCalculationAndDemandUpdate(WaterConnectionDetails waterConnectionDetails,
final BindingResult errors, final HttpServletRequest request,
final MeterReadingConnectionDetails meterReadingConnectionDeatilObj, final Long previousReading,
final SimpleDateFormat dateFormat) {
Date currentDate = null;
Date previousDate = null;
int noofmonths = 0;
final String readingDate = request.getParameter("metercurrentReadingDate");
try {
currentDate = dateFormat.parse(readingDate);
if (request.getParameter("previousreadingDate") != null)
previousDate = dateFormat.parse(request.getParameter("previousreadingDate"));
} catch (final ParseException e) {
}
meterReadingConnectionDeatilObj.setCurrentReading(Long.valueOf(request.getParameter("metercurrentReading")));
meterReadingConnectionDeatilObj.setCurrentReadingDate(currentDate);
populateMeterReadingDetails(meterReadingConnectionDeatilObj, waterConnectionDetails);
if (previousDate != null)
noofmonths = DateUtils.noOfMonths(previousDate, currentDate);
else
noofmonths = DateUtils.noOfMonths(new Date(), currentDate);
final Long currentToPreviousDiffOfUnits = Long.valueOf(request.getParameter("metercurrentReading"))
- previousReading;
Long noOfUnitsForPerMonth = 0l;
if (noofmonths > 0)
noOfUnitsForPerMonth = currentToPreviousDiffOfUnits / noofmonths;
else
noOfUnitsForPerMonth = currentToPreviousDiffOfUnits;
final double finalAmountToBePaid = calculateAmountTobePaid(waterConnectionDetails, noofmonths,
noOfUnitsForPerMonth);
WaterConnectionDetails waterconnectionDetails =null;
if (BigDecimal.valueOf(finalAmountToBePaid).compareTo(BigDecimal.ZERO) > 0)
waterconnectionDetails = connectionDemandService.updateDemandForMeteredConnection(waterConnectionDetails,
BigDecimal.valueOf(finalAmountToBePaid), currentDate);
return waterconnectionDetails;
}
private double calculateAmountTobePaid(final WaterConnectionDetails waterConnectionDetails, final int noofmonths,
final Long noOfUnitsForPerMonth) {
WaterRatesDetails waterRateDetail = null;
final List<WaterRatesDetails> waterDetList = waterRatesDetailsRepository
.findByWaterRate(waterConnectionDetails.getConnectionType(), waterConnectionDetails.getUsageType(),
noOfUnitsForPerMonth);
if (!waterDetList.isEmpty())
waterRateDetail = waterDetList.get(0);
final double amountToBeCollectedWithUnitRatePerMonth = noOfUnitsForPerMonth
* (waterRateDetail != null ? waterRateDetail.getUnitRate() : 0d);
double finalAmountToBePaid = 0d;
if (noofmonths > 0)
finalAmountToBePaid = amountToBeCollectedWithUnitRatePerMonth * noofmonths;
else
finalAmountToBePaid = amountToBeCollectedWithUnitRatePerMonth;// 1000
return finalAmountToBePaid;
}
private void populateMeterReadingDetails(final MeterReadingConnectionDetails meterReadingConnectionDeatilObj,
final WaterConnectionDetails waterConnectionDetails) {
final List<MeterReadingConnectionDetails> meterentryDetailsList = new ArrayList<MeterReadingConnectionDetails>(
0);
if (meterReadingConnectionDeatilObj != null)
if (validMeterEntryDetail(meterReadingConnectionDeatilObj)) {
meterReadingConnectionDeatilObj.setWaterConnectionDetails(waterConnectionDetails);
meterentryDetailsList.add(meterReadingConnectionDeatilObj);
}
waterConnectionDetails.getMeterConnection().clear();
waterConnectionDetails.setMeterConnection(meterentryDetailsList);
}
private boolean validMeterEntryDetail(final MeterReadingConnectionDetails meterReadingConnectionDetails) {
if (meterReadingConnectionDetails == null || meterReadingConnectionDetails != null
&& meterReadingConnectionDetails.getCurrentReading() == null
&& meterReadingConnectionDetails.getCurrentReadingDate() == null)
return false;
return true;
}
}