Subversion Repositories SmartDukaan

package com.spice.profitmandi.dao.cart;

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

import com.spice.profitmandi.common.model.ProfitMandiConstants;

import com.spice.profitmandi.dao.entity.catalog.Item;

import com.spice.profitmandi.dao.entity.catalog.TagListing;

import com.spice.profitmandi.dao.entity.cs.PartnerRegion;

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

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

import com.spice.profitmandi.dao.entity.inventory.SaholicCISTable;

import com.spice.profitmandi.dao.entity.user.Cart;

import com.spice.profitmandi.dao.entity.user.CartLine;

import com.spice.profitmandi.dao.entity.user.User;

import com.spice.profitmandi.dao.model.*;

import com.spice.profitmandi.dao.repository.catalog.FocusedModelRepository;

import com.spice.profitmandi.dao.repository.catalog.ItemRepository;

import com.spice.profitmandi.dao.repository.catalog.TagListingRepository;

import com.spice.profitmandi.dao.repository.cs.PartnerRegionRepository;

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

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

import com.spice.profitmandi.dao.repository.fofo.CurrentInventorySnapshotRepository;

import com.spice.profitmandi.dao.repository.fofo.PartnerTypeChangeService;

import com.spice.profitmandi.dao.repository.inventory.SaholicCISTableRepository;

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

import com.spice.profitmandi.dao.repository.user.CartLineRepository;

import com.spice.profitmandi.dao.repository.user.CartRepository;

import com.spice.profitmandi.dao.repository.user.UserRepository;

import com.spice.profitmandi.dao.repository.warehouse.BrandRegionMappingRepository;

import com.spice.profitmandi.service.NotificationService;

import com.spice.profitmandi.service.inventory.FocusedShortageModel;

import com.spice.profitmandi.service.inventory.SaholicInventoryService;

import com.spice.profitmandi.service.inventory.WarehouseIntransitDataModel;

import com.spice.profitmandi.service.transaction.TransactionService;

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 java.time.LocalDate;

import java.time.LocalDateTime;

import java.util.*;

import java.util.Map.Entry;

import java.util.stream.Collectors;

@Component

public class CartServiceImpl implements CartService {

    private static final Set<Integer> tagIds = new HashSet<>(Arrays.asList(4));

    private static final Logger logger = LogManager.getLogger(CartServiceImpl.class);

    private static final Map<Integer, List<Integer>> focusedModelVariantMap = new HashMap<>();

    @Autowired

    CartRepository cartRepository;

    @Autowired

    CartLineRepository cartLineRepository;

    @Autowired

    FofoStoreRepository fofoStoreRepository;

    @Autowired

    TagListingRepository tagListingRepository;

    @Autowired

    SaholicInventoryService saholicInventoryService;

    @Autowired

    UserRepository saholicUserRepository;

    @Autowired

    ItemRepository itemRepository;

    @Autowired

    CurrentInventorySnapshotRepository currentInventorySnapshotRepository;

    @Autowired

    private FocusedModelRepository focusedModelRepository;

    @Autowired

    private PartnerRegionRepository partnerRegionRepository;

    @Autowired

    private TransactionService transactionService;

    @Autowired

    private RetailerBlockBrandsRepository retailerBlockBrandRepository;

    @Autowired

    private OrderRepository orderRepository;

    @Autowired

    private NotificationService notificationService;

    @Autowired

    private SaholicCISTableRepository saholicCISTableRepository;

    @Autowired

    private BrandRegionMappingRepository brandRegionMappingRepository;

    @Autowired

    private PartnerTypeChangeService partnerTypeChangeService;

    @Override

    // Unused method

    public CartModel addToCart(int cartId, int itemId, int quantity, float sellingPrice) {

        CartLine cartItem = cartLineRepository.selectByCartItem(cartId, itemId);

        if (cartItem == null) {

            this.createCartItem(cartId, itemId, quantity, sellingPrice);

        } else {

            cartItem.setQuantity(quantity);

            cartItem.setActualPrice(sellingPrice);

        }

        return null;

    }

    private void createCartItem(int cartId, int itemId, int quantity, float sellingPrice) {

        CartLine cartLine = new CartLine();

        cartLine.setActualPrice(sellingPrice);

        cartLine.setCartId(cartId);

        cartLine.setQuantity(quantity);

        // TODO: Estmiate Logic

        cartLine.setEstimate(2);

        cartLineRepository.persist(cartLine);

    }

    @Override

    public boolean clearCart(int cartId) throws ProfitMandiBusinessException {

        // Acquire pessimistic lock on cart to prevent deadlocks with concurrent requests

        Cart cart = cartRepository.selectByIdForUpdate(cartId);

        List<CartLine> cartLines = cartLineRepository.selectAllByCart(cartId);

        cartLines.stream().forEach(cartLine -> cartLineRepository.delete(cartLine));

        cart.setUpdateTimestamp(LocalDateTime.now());

        cart.setCheckoutTimestamp(null);

        cart.setTotalPrice(0);

        cart.setWalletAmount(0);

        return true;

    }

    @Override

    public CartModel getCart(int cartId) {

        // TODO Auto-generated method stub

        return null;

    }

    // As of now it only works for Fofo Partners need to be refactored later

    private Map<Integer, Integer> getAvailabilityMap(User user, Set<Integer> itemIds) {

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

        List<TagListing> tags = tagListingRepository.selectByItemIdsAndTagIds(itemIds, tagIds);

        tags.stream().forEach(tagListing -> {

            if (!tagListing.isActive() || tagListing.isHotDeals()) {

                // show actual values here

            } else {

                itemAvailabilityMap.put(tagListing.getItemId(), 400);

            }

        });

        return itemAvailabilityMap;

    }

    // As of now it only works for Fofo Partners need to be refactored later

    private Map<Integer, Integer> getMinBuyQtyMap(User user, Set<Integer> itemIds) throws ProfitMandiBusinessException {

        List<Item> items = itemRepository.selectByIds(itemIds);

        return items.stream().collect(Collectors.toMap(x -> x.getId(), x -> x.getCategoryId() == 10020 ? 1 : 10));

    }

    // As of now it only works for Fofo Partners need to be refactored later

    private Map<Integer, Float> getPriceMap(User user, Set<Integer> itemIds) {

        List<TagListing> tags = tagListingRepository.selectByItemIdsAndTagIds(itemIds, tagIds);

        return tags.stream().collect(Collectors.toMap(x -> x.getItemId(), x -> x.getSellingPrice()));

    }

    @Override

    public CartResponse getCartValidation(int cartId) throws ProfitMandiBusinessException {

        /*

         * # No need to validate duplicate items since there are only two ways # to add

         * items to a cart and both of them check whether the item being # added is a

         * duplicate of an already existing item.

         */

        // Acquire pessimistic lock on cart to prevent deadlocks with concurrent requests

        Cart cart = cartRepository.selectByIdForUpdate(cartId);

        List<CartLine> cartLines = cartLineRepository.selectAllByCart(cartId);

        //User saholicUser = saholicUserRepository.selectByCartId(cartId);

        int totalQty = 0;

        double totalAmount = 0;

        CartResponse cartResponse = new CartResponse();

        List<CartMessage> cartMessages = new ArrayList<>();

        List<CartItemResponseModel> cartItemModels = new ArrayList<>();

        cartResponse.setCartMessages(cartMessages);

        cartResponse.setCartItems(cartItemModels);

        int cartMessageChanged = 0;

        int cartMessageOOS = 0;

        int cartMessageUndeliverable = 0;

        Set<Integer> itemIds = cartLines.stream().map(x -> x.getItemId()).collect(Collectors.toSet());

        logger.info("Item ids {}", itemIds);

        List<TagListing> tagListings = tagListingRepository.selectByItemIdsAndTagIds(itemIds, tagIds);

        Map<Integer, TagListing> tagListingsMap = tagListings.stream()

                .collect(Collectors.toMap(x -> x.getItemId(), x -> x));

        // N+1 fix: Pre-fetch all items before the loop

        Map<Integer, Item> itemMap = itemRepository.selectByIds(itemIds).stream()

                .collect(Collectors.toMap(Item::getId, item -> item));

        User user = saholicUserRepository.selectByCartId(cartId);

        FofoStore fs = fofoStoreRepository.selectByRetailerId(user.getId());

        Map<Integer, Integer> warehouseItemQtyMap = saholicInventoryService.getSaholicNetAvailability(fs.getWarehouseId(), new ArrayList<>(itemIds));

        PartnerType partnerType = partnerTypeChangeService.getTypeOnDate(fs.getId(), LocalDate.now());

        // Get in-transit data for this warehouse

        List<WarehouseIntransitDataModel> warehouseIntransitDataModels =

                saholicInventoryService.getWarehouseIntransistDataList().stream()

                        .filter(x -> x.getWarehouseId() == fs.getWarehouseId())

                        .collect(Collectors.toList());

        // Add in-transit quantities into the map

        for (WarehouseIntransitDataModel intransitData : warehouseIntransitDataModels) {

            if (intransitData.getQty() > 0) {

                int itemId = intransitData.getItemId();

                int existingQty = warehouseItemQtyMap.getOrDefault(itemId, 0);

                warehouseItemQtyMap.put(itemId, existingQty + intransitData.getQty());

            }

        }

        cart.setTotalPrice(0);

        int nonAccessoryQuantity = 0;

        for (CartLine cartLine : cartLines) {

            CartItemResponseModel cartItemResponseModel = new CartItemResponseModel();

            int oldEstimate = cartLine.getEstimate();

            int itemId = cartLine.getItemId();

            // N+1 fix: Use pre-fetched itemMap instead of querying per item

            Item item = itemMap.get(itemId);

            if (item == null) {

                logger.info("Error finding item with id {}", itemId);

                cartLineRepository.delete(cartLine);

                continue;

            }

            cartItemResponseModel.setTitle(item.getItemDescriptionNoColor());

            cartItemResponseModel.setItemId(itemId);

            cartItemResponseModel.setQuantity(cartLine.getQuantity());

            cartItemResponseModel.setColor(item.getColor());

            cartItemResponseModel.setCatalogItemId(item.getCatalogItemId());

            cartItemResponseModel.setMinBuyQuantity(1);

            cartItemResponseModel.setQuantityStep(1);

            cartItemResponseModel.setMaxQuantity(400);

            int currentAvailability = warehouseItemQtyMap.get(itemId) == null ? 0 : warehouseItemQtyMap.get(itemId);

            int oldAvailability = cartLine.getAvailability();

            cartItemResponseModel.setAvailability(currentAvailability);

            //Current availability is less than required quantity

            if (currentAvailability < cartLine.getQuantity()) {

                //Current Availability is reduced

                if (oldAvailability > currentAvailability) {

                    cartMessageChanged += 1;

                }

            }

            //As of now one can buy upto 100 Qty

            if (cartLine.getQuantity() > cartItemResponseModel.getMaxQuantity()) {

                cartMessageChanged +=1;

                cartLine.setQuantity(cartItemResponseModel.getMaxQuantity());

            }

            if (item.getCategoryId() == 10006 || item.getCategoryId() == 10010) {

                nonAccessoryQuantity += cartItemResponseModel.getQuantity();

                cartItemResponseModel.setCategoryName("mobile");

            }

            if (cartItemResponseModel.getItemId() == ProfitMandiConstants.ITEM_CARRY_BAG) {

                if (partnerType.equals(PartnerType.SILVER) || partnerType.equals(PartnerType.BRONZE)) {

                    cartLine.setActualPrice(tagListingsMap.get(itemId).getSellingPrice());

                    cartItemResponseModel.setSellingPrice(cartLine.getActualPrice());

                } else {

                    cartItemResponseModel.setSellingPrice(1);

                    cartLine.setActualPrice(1);

                }

            } else {

                // Check for price mismatch between cart and current TagListing

                TagListing currentTagListing = tagListingsMap.get(itemId);

                if (currentTagListing != null) {

                    float cartPrice = cartLine.getActualPrice();

                    float currentPrice = currentTagListing.getSellingPrice();

                    // If cart price is 0 or unset, silently update to current price (client bug)

                    if (cartPrice < 0.01f) {

                        logger.info("Cart price was 0/unset for itemId {}, setting to current price {}",

                            itemId, currentPrice);

                        cartLine.setActualPrice(currentPrice);

                    }

                    // Use tolerance comparison to avoid float precision false positives

                    else if (Math.abs(cartPrice - currentPrice) > 0.01f) {

                        cartMessageChanged += 1;

                        String priceChangeMsg = String.format("Price updated for %s: Rs. %.2f to Rs. %.2f",

                            item.getItemDescriptionNoColor(), cartPrice, currentPrice);

                        CartMessage cartMessage = new CartMessage();

                        cartMessage.setMessageText(priceChangeMsg);

                        cartMessage.setType("PRICE_CHANGED");

                        cartMessages.add(cartMessage);

                        logger.info("Price mismatch detected for itemId {}: cart price {} vs current price {}",

                            itemId, cartPrice, currentPrice);

                        // Update cart line with current price

                        cartLine.setActualPrice(currentPrice);

                    }

                }

                cartItemResponseModel.setSellingPrice(cartLine.getActualPrice());

            }

            //if (availability > 0) {

            cart.setTotalPrice(cart.getTotalPrice() + (cartLine.getActualPrice() * cartLine.getQuantity()));

            cartItemResponseModel.setQuantity(cartLine.getQuantity());

            cartItemResponseModel.setEstimate(2);

            cartLine.setEstimate(cartItemResponseModel.getEstimate());

            cart.setUpdateTimestamp(LocalDateTime.now());

            totalAmount += cartLine.getActualPrice() * cartLine.getQuantity();

            totalQty += cartItemResponseModel.getQuantity();

            cartResponse.getCartItems().add(cartItemResponseModel);

        }

        if (cart.getCheckoutTimestamp() != null) {

            if (cart.getUpdateTimestamp().isBefore(cart.getCheckoutTimestamp())) {

                cart.setCheckoutTimestamp(null);

            }

        }

        cartResponse.setTotalQty(totalQty);

        cartResponse.setTotalAmount(totalAmount);

        cartResponse.setNonAccessoryQuantity(nonAccessoryQuantity);

        cartResponse.setShippingCharge(0);

        cartResponse.setCartMessageChanged(cartMessageChanged);

        cartResponse.setCartMessageOOS(cartMessageOOS);

        cartResponse.setCartMessageUndeliverable(cartMessageUndeliverable);

        cartResponse.setCod(false);

        return cartResponse;

    }

    @Override

    public void addItemsToCart(int cartId, List<CartItem> cartItems) throws ProfitMandiBusinessException {

        // Acquire pessimistic lock on cart to prevent deadlocks with concurrent requests

        cartRepository.selectByIdForUpdate(cartId);

        logger.info("cart items {}", cartItems);

        cartItems = cartItems.stream().filter(x -> x.getQuantity() > 0).collect(Collectors.toList());

        Map<Integer, Integer> itemQuantityMap = cartItems.stream()

                .collect(Collectors.toMap(x -> x.getItemId(), x -> x.getQuantity()));

        List<CartLine> cartLines = cartLineRepository.selectAllByCart(cartId);

        Map<Integer, CartLine> itemCartLineMap = cartLines.stream().collect(Collectors.toMap(x->x.getItemId(), x->x));

        // Delete cartLines with 0 values

        for (CartLine cartLine : cartLines) {

            Integer quantity = itemQuantityMap.get(cartLine.getItemId());

            if (quantity == null || quantity.intValue() == 0) {

                cartLineRepository.delete(cartLine);

            } else {

                cartLine.setQuantity(itemQuantityMap.get(cartLine.getItemId()));

                cartLine.setUpdateTimestapm(LocalDateTime.now());

            }

        }

        for (CartItem cartItem : cartItems) {

            if (!itemCartLineMap.containsKey(cartItem.getItemId())) {

                CartLine cartLineNew = new CartLine();

                cartLineNew.setItemId(cartItem.getItemId());

                cartLineNew.setQuantity(cartItem.getQuantity());

                cartLineNew.setCartId(cartId);

                cartLineNew.setActualPrice((float) cartItem.getSellingPrice());

                cartLineNew.setCreateTimestamp(LocalDateTime.now());

                cartLineRepository.persist(cartLineNew);

            }

        }

    }

    @Override

    public void addAddressToCart(int cartId, long addressId) throws ProfitMandiBusinessException {

        Cart cart = cartRepository.selectByIdForUpdate(cartId);

        cart.setAddressId((int) addressId);

    }

    @Override

    public void addShoppingBag(int cartId, long qty) {

        CartLine cl = new CartLine();

        cl.setItemId(ProfitMandiConstants.ITEM_CARRY_BAG);

        cl.setQuantity((int) qty);

        cl.setCartId(cartId);

        cl.setCreateTimestamp(LocalDateTime.now());

        cl.setDataProtectionAmount(0);

        cl.setEstimate(0);

        cl.setInsuranceAmount(0f);

        cl.setDataProtectionInsurer(0);

        cl.setActualPrice(0.01f);

        cartLineRepository.persist(cl);

    }

    @Override

    public CartModel removeFromCart(int cartId, int itemId) {

        // TODO Auto-generated method stub

        return null;

    }

    @Override

    public List<FocusedShortageModel> focusedModelShortageValidation(int fofoId,

                                                                     Map<Integer, Integer> catalogCartQtyMap) throws ProfitMandiBusinessException {

        Map<Integer, Long> inStockItemModel = currentInventorySnapshotRepository.selectSumInMobileStockGroupByCatalog(fofoId).stream()

                .collect(Collectors.toMap(x -> x.getCatalogItemId(), x -> x.getQty()));

        Map<Integer, Long> itempendingIndent = transactionService.getInTransitOrders(fofoId).stream()

                .collect(Collectors.groupingBy(x -> x.getLineItem().getItem().getCatalogItemId(),

                        Collectors.summingLong(x -> (long) x.getLineItem().getQuantity())));

        Map<Integer, Long> grnItemPendingOrders = orderRepository.selectPendingGrnOrders(fofoId).stream()

                .collect(Collectors.groupingBy(x -> x.getLineItem().getItem().getCatalogItemId(),

                        Collectors.summingLong(x -> (long) x.getLineItem().getQuantity())));

        FofoStore fofoStore = fofoStoreRepository.selectByRetailerId(fofoId);

        List<String> retailerBlockBrands = retailerBlockBrandRepository.selectAllByRetailer(fofoId).stream()

                .map(x -> x.getBlockBrands()).collect(Collectors.toList());

        List<PartnerRegion> partnerRegions = partnerRegionRepository.selectByfofoId(fofoId);

        Map<Integer, Integer> focusedModelMap;

        if (partnerRegions.size() > 0) {

            focusedModelMap = focusedModelRepository

                    .selectAllByRegionIds(

                            partnerRegions.stream().map(x -> x.getRegionId()).collect(Collectors.toList()))

                    .stream().collect(Collectors.toMap(x -> x.getCatalogId(), x -> x.getMinimumQty()));

        } else {

            focusedModelMap = new HashMap<>();

        }

        return focusedModelShortageValidation(fofoId, catalogCartQtyMap, inStockItemModel,

                itempendingIndent, grnItemPendingOrders, fofoStore, retailerBlockBrands, focusedModelMap);

    }

    @Override

    public List<FocusedShortageModel> focusedModelShortageValidation(int fofoId,

                                                                     Map<Integer, Integer> catalogCartQtyMap,

                                                                     Map<Integer, Long> inStockItemModel,

                                                                     Map<Integer, Long> itempendingIndent,

                                                                     Map<Integer, Long> grnItemPendingOrders,

                                                                     FofoStore fofoStore,

                                                                     List<String> retailerBlockBrands,

                                                                     Map<Integer, Integer> focusedModelMap) throws ProfitMandiBusinessException {

        logger.info("fofoId {}", fofoId);

        focusedModelVariantMap.put(1022771, Arrays.asList(1022771));

        focusedModelVariantMap.put(1023025, Arrays.asList(1022975, 1022945));

        focusedModelVariantMap.put(1023027, Arrays.asList(1022706));

        focusedModelVariantMap.put(1022976, Arrays.asList(1022744));

        focusedModelVariantMap.put(1023045, Arrays.asList(1022768));

        focusedModelVariantMap.put(1023066, Arrays.asList(1022858));

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

        for (Entry<Integer, Integer> fm : focusedModelMap.entrySet()) {

            List<Item> items = itemRepository.selectAllByCatalogItemId(fm.getKey());

            int allColorNetAvailability = 0;

            for (Item item : items) {

                if (retailerBlockBrands.contains(item.getBrand()))

                    continue;

                List<SaholicCISTable> currentAvailability = saholicCISTableRepository.selectByItemWarehouse(item.getId(), fofoStore.getWarehouseId());

                if (currentAvailability != null) {

                    allColorNetAvailability += currentAvailability.stream()

                            .collect(Collectors.summingInt(SaholicCISTable::getNetAvailability));

                }

            }

            catalogItemAailabilityMap.put(fm.getKey(), allColorNetAvailability);

        }

        List<FocusedShortageModel> focusedModelShortageList = new ArrayList<>();

        for (Entry<Integer, Integer> fm : focusedModelMap.entrySet()) {

            logger.info("fm {}", fm);

            long overallStock = (inStockItemModel.get(fm.getKey()) == null ? 0 : inStockItemModel.get(fm.getKey()))

                    + (itempendingIndent.get(fm.getKey()) == null ? 0 : itempendingIndent.get(fm.getKey()))

                    + (grnItemPendingOrders.get(fm.getKey()) == null ? 0 : grnItemPendingOrders.get(fm.getKey()));

            logger.info("overallStock {}", overallStock);

            // Blocked brands available quantity is discussed to zero

            long warehouseStock = catalogItemAailabilityMap.get(fm.getKey()) == null ? 0

                    : catalogItemAailabilityMap.get(fm.getKey());

            logger.info("warehouseStock {}", warehouseStock);

            long cartValue = catalogCartQtyMap.get(fm.getKey()) == null ? 0 : catalogCartQtyMap.get(fm.getKey());

            logger.info("cartValue" + cartValue);

            long totalStock = overallStock + cartValue;

            logger.info("totalStock" + totalStock);

            long shortQty = Math.min(fm.getValue() - totalStock, warehouseStock);

            logger.info("shortQty {}", shortQty);

            if (shortQty > 0) {

                if (focusedModelVariantMap.get(fm.getKey()) != null) {

                    List<Integer> variantCatalogIds = focusedModelVariantMap.get(fm.getKey());

                    logger.info("variantCatalogIds {}", variantCatalogIds);

                    int variantAvailability = 0;

                    for (Integer vc : variantCatalogIds) {

                        long variantOverallStock = (inStockItemModel.get(vc) == null ? 0 : inStockItemModel.get(vc))

                                + (itempendingIndent.get(vc) == null ? 0 : itempendingIndent.get(vc))

                                + (grnItemPendingOrders.get(vc) == null ? 0 : grnItemPendingOrders.get(vc));

                        logger.info("variantOverallStock {}", variantOverallStock);

                        // Blocked brands available quantity is discussed to zero

                        long variantWarehouseStock = catalogItemAailabilityMap.get(vc) == null ? 0

                                : catalogItemAailabilityMap.get(vc);

                        logger.info("variantWarehouseStock {}", variantWarehouseStock);

                        long variantCartValue = catalogCartQtyMap.get(vc) == null ? 0 : catalogCartQtyMap.get(vc);

                        logger.info("variantCartValue" + variantCartValue);

                        long variantTotalStock = variantOverallStock + variantCartValue;

                        logger.info("variantTotalStock" + variantTotalStock);

                        variantAvailability += (int) variantTotalStock;

                    }

                    logger.info("variantAvailability {}", variantAvailability);

                    shortQty = shortQty - variantAvailability;

                }

            }

            logger.info("shortQty" + shortQty);

            if (shortQty > 0) {

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

                List<Item> it = itemRepository.selectAllByCatalogItemId(fm.getKey());

                FocusedShortageModel fms = new FocusedShortageModel();

                fms.setShortageQty((int) shortQty);

                fms.setCatalogId(fm.getKey());

                fms.setAvailabitiy(fm.getValue());

                fms.setInStock(overallStock);

                fms.setItemName(it.get(0).getBrand() + it.get(0).getModelNumber() + it.get(0).getModelName());

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

                for (Item i : it) {

                    List<SaholicCISTable> ca = saholicCISTableRepository.selectByItemWarehouse(i.getId(), fofoStore.getWarehouseId());

                    if (ca != null) {

                        itemQtyMap.put(i.getId(),

                                ca.stream().collect(Collectors.summingInt(SaholicCISTable::getNetAvailability)));

                    }

                }

                itemQtyMap = itemQtyMap.entrySet().stream()

                        .sorted(Collections.reverseOrder(Map.Entry.comparingByValue())).collect(Collectors

                                .toMap(Map.Entry::getKey, Map.Entry::getValue, (e1, e2) -> e2, LinkedHashMap::new));

                for (long i = shortQty; i > 0; i--) {

                    if (shortQty == 0) {

                        break;

                    }

                    for (Entry<Integer, Integer> itemQty : itemQtyMap.entrySet()) {

                        int availbleQty = itemQty.getValue();

                        if (availbleQty == 0) {

                            break;

                        }

                        if (requiredItemQty.get(itemQty.getKey()) == null) {

                            requiredItemQty.put(itemQty.getKey(), 1);

                            availbleQty = availbleQty - 1;

                            if (availbleQty != 0) {

                                itemQtyMap.put(itemQty.getKey(), availbleQty);

                            }

                            shortQty -= 1;

                        } else {

                            int qty = requiredItemQty.get(itemQty.getKey());

                            requiredItemQty.put(itemQty.getKey(), qty + 1);

                            availbleQty = availbleQty - 1;

                            if (availbleQty != 0) {

                                itemQtyMap.put(itemQty.getKey(), availbleQty);

                            }

                            shortQty -= 1;

                        }

                        if (shortQty == 0) {

                            break;

                        }

                    }

                }

                Set<CartItem> cartItems = new HashSet<>();

                for (Entry<Integer, Integer> itemQtySet : requiredItemQty.entrySet()) {

                    CartItem ci = new CartItem();

                    Item item = itemRepository.selectById(itemQtySet.getKey());

                    TagListing tl = tagListingRepository.selectByItemId(item.getId());

                    ci.setItemId(item.getId());

                    ci.setQuantity(itemQtySet.getValue());

                    ci.setSellingPrice(tl.getSellingPrice());

                    cartItems.add(ci);

                }

                fms.setCartItems(cartItems);

                // fms.setItemQtyAvailability(requiredItemQty);

                focusedModelShortageList.add(fms);

            }

        }

        logger.info("focusedModelShortageList {}", focusedModelShortageList);

        return focusedModelShortageList;

    }

    @Override

    public void updateCartItem(int cartId, int itemId, int quantity, float sellingPrice) throws ProfitMandiBusinessException {

        cartRepository.selectByIdForUpdate(cartId);

        CartLine cartLine = cartLineRepository.selectByCartItem(cartId, itemId);

        if (quantity <= 0) {

            if (cartLine != null) {

                cartLineRepository.delete(cartLine);

            }

        } else if (cartLine == null) {

            CartLine newLine = new CartLine();

            newLine.setCartId(cartId);

            newLine.setItemId(itemId);

            newLine.setQuantity(quantity);

            newLine.setActualPrice(sellingPrice);

            newLine.setCreateTimestamp(LocalDateTime.now());

            newLine.setEstimate(2);

            cartLineRepository.persist(newLine);

        } else {

            cartLine.setQuantity(quantity);

            cartLine.setActualPrice(sellingPrice);

            cartLine.setUpdateTimestapm(LocalDateTime.now());

        }

    }

    @Override

    public void removeCartItem(int cartId, int itemId) throws ProfitMandiBusinessException {

        cartRepository.selectByIdForUpdate(cartId);

        CartLine cartLine = cartLineRepository.selectByCartItem(cartId, itemId);

        if (cartLine != null) {

            cartLineRepository.delete(cartLine);

        }

    }

    @Override

    public List<CartLine> getCartItems(int cartId) throws ProfitMandiBusinessException {

        return cartLineRepository.selectAllByCart(cartId);

    }

    @Override

    public UserCart setCartItems(int fofoId, List<CartItem> cartItems) throws ProfitMandiBusinessException {

        User user = saholicUserRepository.selectById(fofoId);

        this.clearCart(user.getActiveCartId());

        this.addItemsToCart(user.getActiveCartId(), cartItems);

        UserCart userCart = new UserCart();

        userCart.setCartId(user.getActiveCartId());

        userCart.setUserId(user.getId());

        return userCart;

    }

}