Subversion Repositories SmartDukaan

package com.spice.profitmandi.service.wallet;

import java.time.LocalDateTime;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.stream.Collectors;

import org.apache.logging.log4j.LogManager;

import org.apache.logging.log4j.Logger;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Component;

import com.spice.profitmandi.common.exception.ProfitMandiBusinessException;

import com.spice.profitmandi.dao.entity.dtr.UserAccount;

import com.spice.profitmandi.dao.entity.fofo.FofoStore;

import com.spice.profitmandi.dao.entity.transaction.UserWallet;

import com.spice.profitmandi.dao.entity.transaction.UserWalletHistory;

import com.spice.profitmandi.dao.enumuration.dtr.AccountType;

import com.spice.profitmandi.dao.repository.dtr.FofoStoreRepository;

import com.spice.profitmandi.dao.repository.dtr.UserAccountRepository;

import com.spice.profitmandi.dao.repository.transaction.UserWalletHistoryRepository;

import com.spice.profitmandi.dao.repository.transaction.UserWalletRepository;

import in.shop2020.model.v1.order.WalletReferenceType;

@Component

public class WalletServiceImpl implements WalletService {

	private static final Logger LOGGER = LogManager.getLogger(WalletServiceImpl.class);

	private boolean underMaintainance = false;

	ProfitMandiBusinessException pbse = new ProfitMandiBusinessException("Wallet", "Wallet",

			"Wallet is under maintainance, please try after some time");

	@Autowired

	private UserAccountRepository userAccountRepository;

	@Autowired

	private WalletService walletService;

	@Autowired

	private UserWalletRepository userWalletRepository;

	@Autowired

	private FofoStoreRepository fofoStoreRepository;

	@Autowired

	private UserWalletHistoryRepository userWalletHistoryRepository;

	@Override

	public void addAmountToWallet(int retailerId, int referenceId, WalletReferenceType referenceType,

			String description, float amount, LocalDateTime businessTime) throws ProfitMandiBusinessException {

		if (amount == 0)

			return;

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		int walletAmount = walletService.getWalletAmount(retailerId);

		// userWallet = userWalletRepository.selectByIdForUpdate(userWallet.getId());

		userWallet.setAmount(walletAmount + Math.round(amount));

		userWalletRepository.persist(userWallet);

		this.createUserWalletHistory(Math.round(amount), userWallet.getId(), referenceId, referenceType, description, businessTime);

	}

	@Override

	public void consumeAmountFromWallet(int retailerId, int referenceId, WalletReferenceType referenceType,

			String description, float amount, LocalDateTime businessTime) throws ProfitMandiBusinessException {

		if ((underMaintainance && referenceType.equals(WalletReferenceType.PURCHASE) || !isActive(retailerId))) {

			throw pbse;

		}

		if (amount == 0)

			return;

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		int walletAmount = walletService.getWalletAmount(retailerId);

		// userWallet = userWalletRepository.selectByIdForUpdate(userWallet.getId());

		if (amount > walletAmount) {

			LOGGER.error("Wallet Balance is insufficient!");

			throw new ProfitMandiBusinessException("balance", walletAmount, "WLT_1000");

		}

		userWallet.setAmount(walletAmount - Math.round(amount));

		userWalletRepository.persist(userWallet);

		this.createUserWalletHistory(-Math.round(amount), userWallet.getId(), referenceId, referenceType, description, businessTime);

	}

	@Override

	public void rollbackAmountFromWallet(int retailerId, float amountToRollback, int rollbackReference,

			WalletReferenceType walletReferenceType, String rollbackReason, LocalDateTime businessTime) throws ProfitMandiBusinessException {

		if (amountToRollback == 0)

			return;

		int walletAmount = walletService.getWalletAmount(retailerId);

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		List<UserWalletHistory> uwh = userWalletHistoryRepository.selectAllByreferenceIdandreferenceType(rollbackReference, walletReferenceType)

				.stream().filter(x->x.getWalletId()==userWallet.getId()).collect(Collectors.toList());

		if(uwh.size() == 0) {

			LOGGER.info("Retailer with id {} dont have valid reference {} and reference type {}", 

					retailerId, rollbackReference, walletReferenceType);

			throw new ProfitMandiBusinessException("Retailer specific wallet entries doesn't exist", retailerId, "Nothing to rollback");

		}

		// userWallet = userWalletRepository.selectByIdForUpdate(userWallet.getId());

		userWallet.setAmount(walletAmount - Math.round(amountToRollback));

		this.createUserWalletHistory(-Math.round(amountToRollback), userWallet.getId(), rollbackReference,

				walletReferenceType, rollbackReason, businessTime);

		userWalletRepository.persist(userWallet);

	}

	private void createUserWalletHistory(float amount, int walletId, int referenceId, WalletReferenceType referenceType,

			String description, LocalDateTime businessTimestamp) {

		if (amount == 0)

			return;

		UserWalletHistory userWalletHistory = new UserWalletHistory();

		userWalletHistory.setWalletId(walletId);

		userWalletHistory.setAmount(Math.round(amount));

		userWalletHistory.setReference(referenceId);

		userWalletHistory.setReferenceType(referenceType);

		userWalletHistory.setTimestamp(LocalDateTime.now());

		userWalletHistory.setDescription(description);

		userWalletHistory.setBusinessTimestamp(businessTimestamp);

		userWalletHistoryRepository.persist(userWalletHistory);

	}

	@Override

	public UserWallet getUserWalletByUserId(int userId) throws ProfitMandiBusinessException {

		UserAccount userAccount = userAccountRepository.selectByUserIdType(userId, AccountType.saholic);

		if (underMaintainance || !isActive(userAccount.getAccountKey())) {

			throw pbse;

		}

		return userWalletRepository.selectByRetailerId(Integer.valueOf(userAccount.getAccountKey()));

	}

	@Override

	public List<UserWalletHistory> getUserWalletHistoryByUserId(int userId) throws ProfitMandiBusinessException {

		if (underMaintainance || !isActive(userId)) {

			throw pbse;

		}

		UserWallet userWallet = this.getUserWalletByUserId(userId);

		List<UserWalletHistory> userWalletHistories = userWalletHistoryRepository.selectByWalletId(userWallet.getId());

		return userWalletHistories;

	}

	private boolean isActive(int userId) {

		boolean active = true;

		try {

			FofoStore fs = fofoStoreRepository.selectByRetailerId(userId);

			active = fs.isActive();

		} catch (Exception e) {

		}

		return active;

	}

	@Override

	public List<UserWalletHistory> getUserWalletHistoryByRetailerId(int retailerId)

			throws ProfitMandiBusinessException {

		if (underMaintainance || !isActive(retailerId)) {

			throw pbse;

		}

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		return userWalletHistoryRepository.selectByWalletId(userWallet.getId());

	}

	@Override

	public long getSizeByRetailerId(int retailerId, LocalDateTime startDateTime, LocalDateTime endDateTime)

			throws ProfitMandiBusinessException {

		if (underMaintainance) {

			throw pbse;

		}

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		return userWalletHistoryRepository.selectCountByWalletId(userWallet.getId(), startDateTime, endDateTime);

	}

	@Override

	public List<UserWalletHistory> getPaginatedUserWalletHistoryByRetailerId(int retailerId,

			LocalDateTime startDateTime, LocalDateTime endDateTime, int offset, int limit)

			throws ProfitMandiBusinessException {

		if (underMaintainance) {

			throw pbse;

		}

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		return userWalletHistoryRepository.selectPaginatedByWalletId(userWallet.getId(), startDateTime, endDateTime,

				offset, limit);

	}

	@Override

	public Map<Integer, UserWallet> getRetailerIdUserWalletMap(Set<Integer> retailerIds) {

		List<UserWallet> userWallets = userWalletRepository.selectByRetailerIds(retailerIds);

		Map<Integer, UserWallet> retailerIdUserWalletMap = new HashMap<>();

		for (UserWallet userWallet : userWallets) {

			retailerIdUserWalletMap.put(userWallet.getUserId(), userWallet);

		}

		return retailerIdUserWalletMap;

	}

	@Override

	public Map<Integer, Integer> getWaleltRetailerMap(Set<Integer> walletIds) {

		List<UserWallet> userWallets = userWalletRepository.selectAllById(walletIds);

		Map<Integer, Integer> walletRetailerMap = new HashMap<>();

		for (UserWallet userWallet : userWallets) {

			walletRetailerMap.put(userWallet.getId(), userWallet.getUserId());

		}

		return walletRetailerMap;

	}

	@Override

	public boolean isExistWalletHistory(int retailerId, int referenceId, WalletReferenceType referenceType)

			throws ProfitMandiBusinessException {

		if (underMaintainance || !isActive(retailerId)) {

			throw pbse;

		}

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		return userWalletHistoryRepository.isExist(userWallet.getId(), referenceType, referenceId);

	}

	@Override

	public UserWallet getUserWallet(int retailerId) throws ProfitMandiBusinessException {

		if (underMaintainance) {

			throw pbse;

		}

		try {

			return userWalletRepository.selectByRetailerId(retailerId);

		} catch (Exception e) {

			UserWallet uw = new UserWallet();

			uw.setAmount(0);

			uw.setRefundableAmount(0);

			uw.setUserId(retailerId);

			userWalletRepository.persist(uw);

			return uw;

		}

	}

	@Override

	public float getOpeningTill(int fofoId, LocalDateTime date) throws ProfitMandiBusinessException {

		UserWallet wallet = userWalletRepository.selectByRetailerId(fofoId);

		return userWalletHistoryRepository.getSumTillDate(wallet.getId(), date);

	}

	@Override

	public float getOpeningTillExcludingPurchase(int fofoId, LocalDateTime date) throws ProfitMandiBusinessException {

		UserWallet wallet = userWalletRepository.selectByRetailerId(fofoId);

		return userWalletHistoryRepository.getSumTillDate(wallet.getId(), date) -userWalletHistoryRepository.getSumTillDate(wallet.getId(), date, WalletReferenceType.PURCHASE);

	}

	@Override

	public boolean refundToWallet(int retailerId, float amountToRefund, int transactionId,

			WalletReferenceType walletReferenceType, String description) throws ProfitMandiBusinessException {

		List<UserWalletHistory> all_entries = userWalletHistoryRepository

				.selectAllByreferenceIdandreferenceType(transactionId, walletReferenceType);

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		int walletAmount = walletService.getWalletAmount(retailerId);

		LOGGER.info("userWallet" + userWallet);

		int max_eligible_credit_amount = 0;

		LOGGER.info("all_entries {}",all_entries);

		for (UserWalletHistory history : all_entries) {

			max_eligible_credit_amount -= history.getAmount();

		}

		if (max_eligible_credit_amount < amountToRefund) {

			LOGGER.info("Cant be credited back to wallet as most of it has been already credited");

			return false;

		}

		userWallet.setAmount(walletAmount + Math.round(amountToRefund));

		LOGGER.info("userWallet" + userWallet);

		UserWalletHistory userWalletHistory = new UserWalletHistory();

		userWalletHistory.setAmount(Math.round(amountToRefund));

		userWalletHistory.setReference(transactionId);

		userWalletHistory.setReferenceType(walletReferenceType);

		userWalletHistory.setWalletId(userWallet.getId());

		userWalletHistory.setTimestamp(LocalDateTime.now());

		userWalletHistory.setDescription(description);

		userWalletHistory.setBusinessTimestamp(all_entries.get(0).getBusinessTimestamp());

		userWalletHistoryRepository.persist(userWalletHistory);

		return true;

	}

	@Override

	public int getWalletAmount(int retailerId) throws ProfitMandiBusinessException {

		UserWallet userWallet = userWalletRepository.selectByRetailerId(retailerId);

		if (userWallet == null) {

			return 0;

		}

		return (int) userWalletHistoryRepository.selectSumByWallet(userWallet.getId());

	}

	@Override

	public List<UserWalletHistory> getAllByReference(int fofoId, int reference, WalletReferenceType walletReferenceType)

			throws ProfitMandiBusinessException {

		UserWallet userWallet = userWalletRepository.selectByRetailerId(fofoId);

		if (userWallet == null) {

			return new ArrayList<UserWalletHistory>();

		}

		return userWalletHistoryRepository.selectAllByreferenceIdandreferenceType(userWallet.getId(), reference,

				walletReferenceType);

	}

}