Esempio n. 1
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        /// <summary>
        /// When Saleorder is set to waiting for order, generate InventoryItem for each item in the sale order
        /// TransformInventoryRequest event is called to finalize the list of items.
        /// </summary>
        /// <param name="db"></param>
        /// <param name="saleOrder"></param>
        internal static void ProcessSaleOrderUpdate(NancyBlackDatabase db, SaleOrder saleOrder, bool forceUpdate, DateTime now)
        {
            if (forceUpdate == false)
            {
                now = DateTime.Now;

                // fulfill the requests of this sale order
                // (No longer used)
                //InventoryItemModule.ProcessFulfillSaleOrder(db, saleOrder);

                // only do when status is waiting for order
                if (saleOrder.Status != SaleOrderStatus.WaitingForOrder)
                {
                    return;
                }

                // if previous status is already waiting for order - do nothing
                if (db.GetOlderVersions(saleOrder).Any(s => s.Status == SaleOrderStatus.WaitingForOrder))
                {
                    return;
                }
            }


            if (saleOrder.Status == SaleOrderStatus.Cancel)
            {
                db.Transaction(() =>
                {
                    var relatedRequest = db.Query <InventoryItem>().Where(ivt => ivt.SaleOrderId == saleOrder.Id).ToList();
                    foreach (var item in relatedRequest)
                    {
                        // remove the usage from purchase
                        var relatedPurchase = db.Query <InventoryPurchase>().Where(ip => ip.InventoryItemId == item.Id).ToList();
                        foreach (var p in relatedPurchase)
                        {
                            p.InventoryItemId = 0;
                            db.UpsertRecord(p);
                        }

                        // remove the request from database
                        db.DeleteRecord(item);
                    }
                });

                return;
            }

            if (saleOrder.PaymentStatus == PaymentStatus.PaymentReceived ||
                saleOrder.PaymentStatus == PaymentStatus.Deposit ||
                saleOrder.PaymentStatus == PaymentStatus.Credit)
            {
            }
            else
            {
                return;
            }


            var totalDiscount = 0M;

            var items = new List <InventoryItem>();

            foreach (var item in saleOrder.ItemsDetail)
            {
                if (item.CurrentPrice < 0)                   // dont take negative prices (coupon)
                {
                    totalDiscount += item.CurrentPrice * -1; // record the discount
                    continue;
                }

                if (item.Url == "/dummy/dummy" && item.CurrentPrice == 0)
                {
                    continue;
                }

                // For each items in sale order, create an inventory item
                for (int i = 0; i < (int)item.Attributes.Qty; i++)
                {
                    // virtual products does not need inventory inbound
                    if (item.Attributes.IsVirtual == 1)
                    {
                        continue;
                    }

                    var ivitm = new InventoryItem()
                    {
                        SaleOrderId   = saleOrder.Id,
                        ProductId     = item.Id,
                        RequestedDate = now,
                        IsFullfilled  = false,
                        QuotedPrice   = item.CurrentPrice,
                        SellingPrice  = item.CurrentPrice,
                    };
                    items.Add(ivitm);

                    if (item.CurrentPrice != item.Price)
                    {
                        totalDiscount += item.Price - item.CurrentPrice;
                    }
                }
            }

            // distribute discount into items which has actual sell price
            var totalTrueItems = items.Where(item => item.QuotedPrice > 0).Count();

            var discountRemaining = totalDiscount;

            while (discountRemaining > 0)
            {
                foreach (var item in items)
                {
                    if (item.SellingPrice > 0)
                    {
                        // discount by 1%
                        var discount = item.SellingPrice * 0.01M;

                        if (discountRemaining - discount < 0)
                        {
                            discount = discountRemaining;
                        }
                        discountRemaining -= discount;
                        item.SellingPrice  = item.SellingPrice - discount;

                        if (discountRemaining == 0)
                        {
                            break;
                        }
                    }
                }
            }

            var currentSite = AdminModule.ReadSiteSettings();

            foreach (var item in items)
            {
                item.__updatedAt = DateTime.Now;
                item.__createdAt = DateTime.Now;

                if (item.SellingPrice > 0)
                {
                    if (currentSite.commerce.billing.vattype == "addvat")
                    {
                        item.SellingTax = item.SellingPrice * (100 + (int)currentSite.commerce.billing.vatpercent) / 100;
                    }

                    if (currentSite.commerce.billing.vattype == "includevat")
                    {
                        var priceWithoutTax = item.SellingPrice * 100 / (100 + (int)currentSite.commerce.billing.vatpercent);
                        item.SellingTax   = item.SellingPrice - priceWithoutTax;
                        item.SellingPrice = priceWithoutTax;
                    }
                }
            }


            InventoryItemModule.TransformInventoryRequest(db, saleOrder, items);

            // NOTE: sometimes we give free, so price can be 0
            items = (from item in items
                     where item.SellingPrice >= 0
                     select item).ToList();

            // attempt to merge the old list and new list using product id
            // by seeing if there is any item that was already fulfilled - if
            // there is any - copy the information into new list
            var existing = db.Query <InventoryItem>().Where(ivt => ivt.SaleOrderId == saleOrder.Id).ToLookup(ivt => ivt.ProductId);
            var newList  = items.ToLookup(ivt => ivt.ProductId);

            foreach (var group in existing)
            {
                var existingGroup = existing[group.Key].ToList();
                var newGroup      = newList[group.Key].ToList();

                for (int i = 0; i < existingGroup.Count; i++)
                {
                    if (i >= newGroup.Count)
                    {
                        // old list has more items - keep them if it is already fulfilled
                        if (existingGroup[i].IsFullfilled)
                        {
                            existingGroup[i].Note = "This sale order have less items, this is an orphaned row";
                            db.Connection.Update(existingGroup[i]);
                        }
                        else
                        {
                            // otherwise, just deletes them
                            db.Connection.Delete <InventoryItem>(existingGroup[i].Id);
                        }

                        continue;
                    }

                    if (existingGroup[i].IsFullfilled)
                    {
                        // copy information from the existing one
                        // for some reason not yet understand - i cant just remove newGroup[i] from items
                        // and add existingGroup[i] into it instead!
                        newGroup[i].IsFullfilled  = true;
                        newGroup[i].SerialNumber  = existingGroup[i].SerialNumber;
                        newGroup[i].FulfilledDate = existingGroup[i].FulfilledDate;

                        newGroup[i].BuyingCost          = existingGroup[i].BuyingCost;
                        newGroup[i].BuyingTax           = existingGroup[i].BuyingTax;
                        newGroup[i].InventoryPurchaseId = existingGroup[i].InventoryPurchaseId;
                        newGroup[i].Note = existingGroup[i].Note;
                    }

                    db.Connection.Delete <InventoryItem>(existingGroup[i].Id);
                }
            }

            db.Connection.InsertAll(items);
        }
        /// <summary>
        /// When Saleorder is set to waiting for order, generate InventoryItem for each item in the sale order
        /// TransformInventoryRequest event is called to finalize the list of items.
        /// </summary>
        /// <param name="db"></param>
        /// <param name="saleOrder"></param>
        internal static void ProcessSaleOrderUpdate(NancyBlackDatabase db, SaleOrder saleOrder, bool replay, DateTime now)
        {
            if (replay == false)
            {
                now = DateTime.Now;

                // only do when status is waiting for order
                if (saleOrder.Status != SaleOrderStatus.WaitingForOrder)
                {
                    return;
                }

                // if previous status is already waiting for order - do nothing
                if (db.GetOlderVersions(saleOrder).First().Status == SaleOrderStatus.WaitingForOrder)
                {
                    return;
                }
            }

            var currentSite = AdminModule.ReadSiteSettings();

            // NOTE: We can't run it again since it can alter the amount
            // it is possible that admin may change amount in database
            //// ensures that all logic of sale order has been ran
            //saleOrder.UpdateSaleOrder(currentSite, db, false);

            // ensure that no inventory inbound can be run
            var totalDiscount = 0M;

            var items = new List <InventoryItem>();

            foreach (var item in saleOrder.ItemsDetail)
            {
                if (item.CurrentPrice < 0)                   // dont take negative prices (coupon)
                {
                    totalDiscount += item.CurrentPrice * -1; // record the discount
                    continue;
                }

                // For each items in sale order, create an inventory item
                for (int i = 0; i < (int)item.Attributes.Qty; i++)
                {
                    var ivitm = new InventoryItem()
                    {
                        SaleOrderId   = saleOrder.Id,
                        ProductId     = item.Id,
                        RequestedDate = now,
                        IsFullfilled  = false,
                        SellingPrice  = item.CurrentPrice
                    };
                    items.Add(ivitm);

                    if (item.CurrentPrice != item.Price)
                    {
                        totalDiscount += item.Price - item.CurrentPrice;
                    }
                }
            }

            // distribute discount into items which has actual sell price
            var discountToDistribute = totalDiscount / items.Where(item => item.SellingPrice > 0).Count();

            // discount is too great for some item, add it to the most expensive one
            if (items.Where(item => discountToDistribute > item.SellingPrice).Count() > 0)
            {
                var item = items.OrderByDescending(i => i.SellingPrice).First();

                item.SellingPrice -= totalDiscount;

                if (currentSite.commerce.billing.vattype == "addvat")
                {
                    item.SellingTax = item.SellingPrice * (100 + (int)currentSite.commerce.billing.vatpercent) / 100;
                }

                if (currentSite.commerce.billing.vattype == "includevat")
                {
                    var priceWithoutTax = item.SellingPrice * 100 / (100 + (int)currentSite.commerce.billing.vatpercent);
                    item.SellingTax   = item.SellingPrice - priceWithoutTax;
                    item.SellingPrice = priceWithoutTax;
                }
            }
            else // distribute it to items
            {
                foreach (var item in items)
                {
                    if (item.SellingPrice > 0)
                    {
                        item.SellingPrice -= discountToDistribute;

                        if (currentSite.commerce.billing.vattype == "addvat")
                        {
                            item.SellingTax = item.SellingPrice * (100 + (int)currentSite.commerce.billing.vatpercent) / 100;
                        }

                        if (currentSite.commerce.billing.vattype == "includevat")
                        {
                            var priceWithoutTax = item.SellingPrice * 100 / (100 + (int)currentSite.commerce.billing.vatpercent);
                            item.SellingTax   = item.SellingPrice - priceWithoutTax;
                            item.SellingPrice = priceWithoutTax;
                        }
                    }
                }
            }

            InventoryAdminModule.TransformInventoryRequest(db, saleOrder, items);


            db.Transaction(() =>
            {
                // before inserting...
                // if the inventory item for this sale order already fullfilled
                // it will remain in inventory but sale order removed

                // we will always create new inventory item for this sale order
                // and clear out old ones

                foreach (var item in db.Query <InventoryItem>().Where(ivt => ivt.SaleOrderId == saleOrder.Id).ToList())
                {
                    if (item.IsFullfilled)
                    {
                        item.Note         = "Sale Order Id was removed because sale order which created this item has status set to WaitingForOrder Again";
                        item.SaleOrderId  = 0;
                        item.IsFullfilled = false;
                        db.UpsertRecord(item);
                        continue; // item already fullfilled, we leave it but remove sale order id
                    }

                    db.DeleteRecord(item);
                }

                foreach (var item in items)
                {
                    db.UpsertRecord(item);
                }
            });
        }