SavingsAccountAssembler.java example

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/**
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package org.mifosplatform.portfolio.savings.domain;

import static org.mifosplatform.portfolio.savings.SavingsApiConstants.SAVINGS_ACCOUNT_RESOURCE_NAME;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.accountNoParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.allowOverdraftParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.clientIdParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.enforceMinRequiredBalanceParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.externalIdParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.fieldOfficerIdParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.groupIdParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.interestCalculationDaysInYearTypeParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.interestCalculationTypeParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.interestCompoundingPeriodTypeParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.interestPostingPeriodTypeParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.lockinPeriodFrequencyParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.lockinPeriodFrequencyTypeParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.minRequiredBalanceParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.minRequiredOpeningBalanceParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.nominalAnnualInterestRateParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.overdraftLimitParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.nominalAnnualInterestRateOverdraftParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.minOverdraftForInterestCalculationParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.productIdParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.submittedOnDateParamName;
import static org.mifosplatform.portfolio.savings.SavingsApiConstants.withdrawalFeeForTransfersParamName;

import java.math.BigDecimal;
import java.util.Set;

import org.joda.time.LocalDate;
import org.mifosplatform.infrastructure.core.api.JsonCommand;
import org.mifosplatform.infrastructure.core.serialization.FromJsonHelper;
import org.mifosplatform.infrastructure.core.service.DateUtils;
import org.mifosplatform.organisation.staff.domain.Staff;
import org.mifosplatform.organisation.staff.domain.StaffRepositoryWrapper;
import org.mifosplatform.portfolio.account.service.AccountTransfersReadPlatformService;
import org.mifosplatform.portfolio.accountdetails.domain.AccountType;
import org.mifosplatform.portfolio.client.domain.Client;
import org.mifosplatform.portfolio.client.domain.ClientRepositoryWrapper;
import org.mifosplatform.portfolio.client.exception.ClientNotActiveException;
import org.mifosplatform.portfolio.group.domain.Group;
import org.mifosplatform.portfolio.group.domain.GroupRepositoryWrapper;
import org.mifosplatform.portfolio.group.exception.CenterNotActiveException;
import org.mifosplatform.portfolio.group.exception.ClientNotInGroupException;
import org.mifosplatform.portfolio.group.exception.GroupNotActiveException;
import org.mifosplatform.portfolio.savings.SavingsCompoundingInterestPeriodType;
import org.mifosplatform.portfolio.savings.SavingsInterestCalculationDaysInYearType;
import org.mifosplatform.portfolio.savings.SavingsInterestCalculationType;
import org.mifosplatform.portfolio.savings.SavingsPeriodFrequencyType;
import org.mifosplatform.portfolio.savings.SavingsPostingInterestPeriodType;
import org.mifosplatform.portfolio.savings.exception.SavingsProductNotFoundException;
import org.mifosplatform.useradministration.domain.AppUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.google.gson.JsonElement;

@Service
public class SavingsAccountAssembler {

    private final SavingsAccountTransactionSummaryWrapper savingsAccountTransactionSummaryWrapper;
    private final SavingsHelper savingsHelper;
    private final ClientRepositoryWrapper clientRepository;
    private final GroupRepositoryWrapper groupRepository;
    private final StaffRepositoryWrapper staffRepository;
    private final SavingsProductRepository savingProductRepository;
    private final SavingsAccountRepositoryWrapper savingsAccountRepository;
    private final SavingsAccountChargeAssembler savingsAccountChargeAssembler;
    private final FromJsonHelper fromApiJsonHelper;

    @Autowired
    public SavingsAccountAssembler(final SavingsAccountTransactionSummaryWrapper savingsAccountTransactionSummaryWrapper,
            final ClientRepositoryWrapper clientRepository, final GroupRepositoryWrapper groupRepository,
            final StaffRepositoryWrapper staffRepository, final SavingsProductRepository savingProductRepository,
            final SavingsAccountRepositoryWrapper savingsAccountRepository,
            final SavingsAccountChargeAssembler savingsAccountChargeAssembler, final FromJsonHelper fromApiJsonHelper,
            final AccountTransfersReadPlatformService accountTransfersReadPlatformService) {
        this.savingsAccountTransactionSummaryWrapper = savingsAccountTransactionSummaryWrapper;
        this.clientRepository = clientRepository;
        this.groupRepository = groupRepository;
        this.staffRepository = staffRepository;
        this.savingProductRepository = savingProductRepository;
        this.savingsAccountRepository = savingsAccountRepository;
        this.savingsAccountChargeAssembler = savingsAccountChargeAssembler;
        this.fromApiJsonHelper = fromApiJsonHelper;
        savingsHelper = new SavingsHelper(accountTransfersReadPlatformService);
    }

    /**
     * Assembles a new {@link SavingsAccount} from JSON details passed in
     * request inheriting details where relevant from chosen
     * {@link SavingsProduct}.
     */
    public SavingsAccount assembleFrom(final JsonCommand command, final AppUser submittedBy) {

        final JsonElement element = command.parsedJson();

        final String accountNo = this.fromApiJsonHelper.extractStringNamed(accountNoParamName, element);
        final String externalId = this.fromApiJsonHelper.extractStringNamed(externalIdParamName, element);
        final Long productId = this.fromApiJsonHelper.extractLongNamed(productIdParamName, element);

        final SavingsProduct product = this.savingProductRepository.findOne(productId);
        if (product == null) { throw new SavingsProductNotFoundException(productId); }

        Client client = null;
        Group group = null;
        Staff fieldOfficer = null;
        AccountType accountType = AccountType.INVALID;
        final Long clientId = this.fromApiJsonHelper.extractLongNamed(clientIdParamName, element);
        if (clientId != null) {
            client = this.clientRepository.findOneWithNotFoundDetection(clientId);
            accountType = AccountType.INDIVIDUAL;
            if (client.isNotActive()) { throw new ClientNotActiveException(clientId); }
        }

        final Long groupId = this.fromApiJsonHelper.extractLongNamed(groupIdParamName, element);
        if (groupId != null) {
            group = this.groupRepository.findOneWithNotFoundDetection(groupId);
            accountType = AccountType.GROUP;
            if (group.isNotActive()) {
                if (group.isCenter()) { throw new CenterNotActiveException(groupId); }
                throw new GroupNotActiveException(groupId);
            }
        }

        if (group != null && client != null) {
            if (!group.hasClientAsMember(client)) { throw new ClientNotInGroupException(clientId, groupId); }
            accountType = AccountType.JLG;
        }

        final Long fieldOfficerId = this.fromApiJsonHelper.extractLongNamed(fieldOfficerIdParamName, element);
        if (fieldOfficerId != null) {
            fieldOfficer = this.staffRepository.findOneWithNotFoundDetection(fieldOfficerId);
        }

        final LocalDate submittedOnDate = this.fromApiJsonHelper.extractLocalDateNamed(submittedOnDateParamName, element);

        BigDecimal interestRate = null;
        if (command.parameterExists(nominalAnnualInterestRateParamName)) {
            interestRate = command.bigDecimalValueOfParameterNamed(nominalAnnualInterestRateParamName);
        } else {
            interestRate = product.nominalAnnualInterestRate();
        }

        SavingsCompoundingInterestPeriodType interestCompoundingPeriodType = null;
        final Integer interestPeriodTypeValue = command.integerValueOfParameterNamed(interestCompoundingPeriodTypeParamName);
        if (interestPeriodTypeValue != null) {
            interestCompoundingPeriodType = SavingsCompoundingInterestPeriodType.fromInt(interestPeriodTypeValue);
        } else {
            interestCompoundingPeriodType = product.interestCompoundingPeriodType();
        }

        SavingsPostingInterestPeriodType interestPostingPeriodType = null;
        final Integer interestPostingPeriodTypeValue = command.integerValueOfParameterNamed(interestPostingPeriodTypeParamName);
        if (interestPostingPeriodTypeValue != null) {
            interestPostingPeriodType = SavingsPostingInterestPeriodType.fromInt(interestPostingPeriodTypeValue);
        } else {
            interestPostingPeriodType = product.interestPostingPeriodType();
        }

        SavingsInterestCalculationType interestCalculationType = null;
        final Integer interestCalculationTypeValue = command.integerValueOfParameterNamed(interestCalculationTypeParamName);
        if (interestCalculationTypeValue != null) {
            interestCalculationType = SavingsInterestCalculationType.fromInt(interestCalculationTypeValue);
        } else {
            interestCalculationType = product.interestCalculationType();
        }

        SavingsInterestCalculationDaysInYearType interestCalculationDaysInYearType = null;
        final Integer interestCalculationDaysInYearTypeValue = command
                .integerValueOfParameterNamed(interestCalculationDaysInYearTypeParamName);
        if (interestCalculationDaysInYearTypeValue != null) {
            interestCalculationDaysInYearType = SavingsInterestCalculationDaysInYearType.fromInt(interestCalculationDaysInYearTypeValue);
        } else {
            interestCalculationDaysInYearType = product.interestCalculationDaysInYearType();
        }

        BigDecimal minRequiredOpeningBalance = null;
        if (command.parameterExists(minRequiredOpeningBalanceParamName)) {
            minRequiredOpeningBalance = command.bigDecimalValueOfParameterNamed(minRequiredOpeningBalanceParamName);
        } else {
            minRequiredOpeningBalance = product.minRequiredOpeningBalance();
        }

        Integer lockinPeriodFrequency = null;
        if (command.parameterExists(lockinPeriodFrequencyParamName)) {
            lockinPeriodFrequency = command.integerValueOfParameterNamed(lockinPeriodFrequencyParamName);
        } else {
            lockinPeriodFrequency = product.lockinPeriodFrequency();
        }

        SavingsPeriodFrequencyType lockinPeriodFrequencyType = null;
        Integer lockinPeriodFrequencyTypeValue = null;
        if (command.parameterExists(lockinPeriodFrequencyTypeParamName)) {
            lockinPeriodFrequencyTypeValue = command.integerValueOfParameterNamed(lockinPeriodFrequencyTypeParamName);
            if (lockinPeriodFrequencyTypeValue != null) {
                lockinPeriodFrequencyType = SavingsPeriodFrequencyType.fromInt(lockinPeriodFrequencyTypeValue);
            }
        } else {
            lockinPeriodFrequencyType = product.lockinPeriodFrequencyType();
        }
        boolean iswithdrawalFeeApplicableForTransfer = false;
        if (command.parameterExists(withdrawalFeeForTransfersParamName)) {
            iswithdrawalFeeApplicableForTransfer = command.booleanPrimitiveValueOfParameterNamed(withdrawalFeeForTransfersParamName);
        }

        final Set<SavingsAccountCharge> charges = this.savingsAccountChargeAssembler.fromParsedJson(element, product.currency().getCode());

        boolean allowOverdraft = false;
        if (command.parameterExists(allowOverdraftParamName)) {
            allowOverdraft = command.booleanPrimitiveValueOfParameterNamed(allowOverdraftParamName);
        } else {
            allowOverdraft = product.isAllowOverdraft();
        }

        BigDecimal overdraftLimit = BigDecimal.ZERO;
        if (command.parameterExists(overdraftLimitParamName)) {
            overdraftLimit = command.bigDecimalValueOfParameterNamedDefaultToNullIfZero(overdraftLimitParamName);
        } else {
            overdraftLimit = product.overdraftLimit();
        }

        BigDecimal nominalAnnualInterestRateOverdraft = BigDecimal.ZERO;
        if (command.parameterExists(nominalAnnualInterestRateOverdraftParamName)) {
        	nominalAnnualInterestRateOverdraft = command.bigDecimalValueOfParameterNamedDefaultToNullIfZero(nominalAnnualInterestRateOverdraftParamName);
        } else {
        	nominalAnnualInterestRateOverdraft = product.nominalAnnualInterestRateOverdraft();
        }

        BigDecimal minOverdraftForInterestCalculation = BigDecimal.ZERO;
        if (command.parameterExists(minOverdraftForInterestCalculationParamName)) {
        	minOverdraftForInterestCalculation = command.bigDecimalValueOfParameterNamedDefaultToNullIfZero(minOverdraftForInterestCalculationParamName);
        } else {
        	minOverdraftForInterestCalculation = product.minOverdraftForInterestCalculation();
        }

        boolean enforceMinRequiredBalance = false;
        if (command.parameterExists(enforceMinRequiredBalanceParamName)) {
            enforceMinRequiredBalance = command.booleanPrimitiveValueOfParameterNamed(enforceMinRequiredBalanceParamName);
        } else {
            enforceMinRequiredBalance = product.isMinRequiredBalanceEnforced();
        }

        BigDecimal minRequiredBalance = BigDecimal.ZERO;
        if (command.parameterExists(minRequiredBalanceParamName)) {
            minRequiredBalance = command.bigDecimalValueOfParameterNamedDefaultToNullIfZero(minRequiredBalanceParamName);
        } else {
            minRequiredBalance = product.minRequiredBalance();
        }

        final SavingsAccount account = SavingsAccount.createNewApplicationForSubmittal(client, group, product, fieldOfficer, accountNo,
                externalId, accountType, submittedOnDate, submittedBy, interestRate, interestCompoundingPeriodType,
                interestPostingPeriodType, interestCalculationType, interestCalculationDaysInYearType, minRequiredOpeningBalance,
                lockinPeriodFrequency, lockinPeriodFrequencyType, iswithdrawalFeeApplicableForTransfer, charges, allowOverdraft,
                overdraftLimit, enforceMinRequiredBalance, minRequiredBalance, 
                nominalAnnualInterestRateOverdraft, minOverdraftForInterestCalculation);
        account.setHelpers(this.savingsAccountTransactionSummaryWrapper, this.savingsHelper);

        account.validateNewApplicationState(DateUtils.getLocalDateOfTenant(), SAVINGS_ACCOUNT_RESOURCE_NAME);

        account.validateAccountValuesWithProduct();

        return account;
    }

    public SavingsAccount assembleFrom(final Long savingsId) {
        final SavingsAccount account = this.savingsAccountRepository.findOneWithNotFoundDetection(savingsId);
        account.setHelpers(this.savingsAccountTransactionSummaryWrapper, this.savingsHelper);
        return account;
    }

    public void setHelpers(final SavingsAccount account) {
        account.setHelpers(this.savingsAccountTransactionSummaryWrapper, this.savingsHelper);
    }

    /**
     * Assembles a new {@link SavingsAccount} from JSON details passed in
     * request inheriting details where relevant from chosen
     * {@link SavingsProduct}.
     */
    public SavingsAccount assembleFrom(final Client client, final Group group, final SavingsProduct product, final LocalDate appliedonDate,
            final AppUser appliedBy) {

        AccountType accountType = AccountType.INVALID;
        if (client != null) {
            accountType = AccountType.INDIVIDUAL;
            if (client.isNotActive()) { throw new ClientNotActiveException(client.getId()); }
        }

        if (group != null) {
            accountType = AccountType.GROUP;
            if (group.isNotActive()) {
                if (group.isCenter()) { throw new CenterNotActiveException(group.getId()); }
                throw new GroupNotActiveException(group.getId());
            }
        }

        if (group != null && client != null) {
            if (!group.hasClientAsMember(client)) { throw new ClientNotInGroupException(client.getId(), group.getId()); }
            accountType = AccountType.JLG;
        }

        final Set<SavingsAccountCharge> charges = this.savingsAccountChargeAssembler.fromSavingsProduct(product);

        final SavingsAccount account = SavingsAccount.createNewApplicationForSubmittal(client, group, product, null, null, null,
                accountType, appliedonDate, appliedBy, product.nominalAnnualInterestRate(), product.interestCompoundingPeriodType(),
                product.interestPostingPeriodType(), product.interestCalculationType(), product.interestCalculationDaysInYearType(),
                product.minRequiredOpeningBalance(), product.lockinPeriodFrequency(), product.lockinPeriodFrequencyType(),
                product.isWithdrawalFeeApplicableForTransfer(), charges, product.isAllowOverdraft(), product.overdraftLimit(),
                product.isMinRequiredBalanceEnforced(), product.minRequiredBalance(), product.nominalAnnualInterestRateOverdraft(),
                product.minOverdraftForInterestCalculation());
        account.setHelpers(this.savingsAccountTransactionSummaryWrapper, this.savingsHelper);

        account.validateNewApplicationState(DateUtils.getLocalDateOfTenant(), SAVINGS_ACCOUNT_RESOURCE_NAME);

        account.validateAccountValuesWithProduct();

        return account;
    }

    public void assignSavingAccountHelpers(final SavingsAccount savingsAccount) {
        savingsAccount.setHelpers(this.savingsAccountTransactionSummaryWrapper, this.savingsHelper);
    }
}