Beispiel #1
0
        public HttpResponseMessage LockSalesInvoice(Entities.TrnSalesInvoice objSalesInvoice, String id)
        {
            try
            {
                var currentUser = from d in db.MstUsers
                                  where d.UserId == User.Identity.GetUserId()
                                  select d;

                if (currentUser.Any())
                {
                    var currentUserId = currentUser.FirstOrDefault().Id;

                    var userForms = from d in db.MstUserForms
                                    where d.UserId == currentUserId &&
                                    d.SysForm.FormName.Equals("SalesInvoiceDetail")
                                    select d;

                    if (userForms.Any())
                    {
                        if (userForms.FirstOrDefault().CanLock)
                        {
                            var salesInvoice = from d in db.TrnSalesInvoices
                                               where d.Id == Convert.ToInt32(id)
                                               select d;

                            if (salesInvoice.Any())
                            {
                                if (!salesInvoice.FirstOrDefault().IsLocked)
                                {
                                    Decimal paidAmount = 0;

                                    var collectionLines = from d in db.TrnCollectionLines
                                                          where d.SIId == Convert.ToInt32(id) &&
                                                          d.TrnCollection.IsLocked == true
                                                          select d;

                                    if (collectionLines.Any())
                                    {
                                        paidAmount = collectionLines.Sum(d => d.Amount);
                                    }

                                    var lockSalesInvoice = salesInvoice.FirstOrDefault();
                                    lockSalesInvoice.SIDate            = Convert.ToDateTime(objSalesInvoice.SIDate);
                                    lockSalesInvoice.CustomerId        = objSalesInvoice.CustomerId;
                                    lockSalesInvoice.TermId            = objSalesInvoice.TermId;
                                    lockSalesInvoice.DocumentReference = objSalesInvoice.DocumentReference;
                                    lockSalesInvoice.ManualSINumber    = objSalesInvoice.ManualSINumber;
                                    lockSalesInvoice.Remarks           = objSalesInvoice.Remarks;
                                    lockSalesInvoice.Amount            = GetSalesInvoiceAmount(Convert.ToInt32(id));
                                    lockSalesInvoice.PaidAmount        = paidAmount;
                                    lockSalesInvoice.AdjustmentAmount  = 0;
                                    lockSalesInvoice.BalanceAmount     = GetSalesInvoiceAmount(Convert.ToInt32(id)) - paidAmount;
                                    lockSalesInvoice.SoldById          = objSalesInvoice.SoldById;
                                    lockSalesInvoice.CheckedById       = objSalesInvoice.CheckedById;
                                    lockSalesInvoice.ApprovedById      = objSalesInvoice.ApprovedById;
                                    lockSalesInvoice.IsLocked          = true;
                                    lockSalesInvoice.UpdatedById       = currentUserId;
                                    lockSalesInvoice.UpdatedDateTime   = DateTime.Now;

                                    db.SubmitChanges();

                                    // =====================
                                    // Inventory and Journal
                                    // =====================
                                    Business.Inventory inventory = new Business.Inventory();
                                    Business.Journal   journal   = new Business.Journal();

                                    if (lockSalesInvoice.IsLocked)
                                    {
                                        inventory.InsertSIInventory(Convert.ToInt32(id));
                                        journal.insertSIJournal(Convert.ToInt32(id));
                                    }

                                    // ============================
                                    // Check for Negative Inventory
                                    // ============================
                                    Boolean foundNegativeQuantity = false;
                                    if (salesInvoice.FirstOrDefault().TrnSalesInvoiceItems.Any())
                                    {
                                        foreach (var salesInvoiceItem in salesInvoice.FirstOrDefault().TrnSalesInvoiceItems)
                                        {
                                            if (salesInvoiceItem.MstArticle.IsInventory)
                                            {
                                                var mstArticleInventory = from d in db.MstArticleInventories
                                                                          where d.TrnSalesInvoiceItems.Contains(salesInvoiceItem)
                                                                          select d;

                                                if (mstArticleInventory.Any())
                                                {
                                                    if (salesInvoiceItem.MstArticleInventory.Quantity < 0)
                                                    {
                                                        foundNegativeQuantity = true;
                                                        break;
                                                    }
                                                }
                                            }
                                        }
                                    }

                                    if (foundNegativeQuantity)
                                    {
                                        inventory.deleteSIInventory(Convert.ToInt32(id));
                                        journal.deleteSIJournal(Convert.ToInt32(id));

                                        lockSalesInvoice.IsLocked = false;
                                        db.SubmitChanges();

                                        return(Request.CreateResponse(HttpStatusCode.BadRequest, "Negative Inventory Found!"));
                                    }
                                    else
                                    {
                                        return(Request.CreateResponse(HttpStatusCode.OK));
                                    }
                                }
                                else
                                {
                                    return(Request.CreateResponse(HttpStatusCode.BadRequest, "Locking Error. These sales invoice details are already locked."));
                                }
                            }
                            else
                            {
                                return(Request.CreateResponse(HttpStatusCode.NotFound, "Data not found. These sales invoice details are not found in the server."));
                            }
                        }
                        else
                        {
                            return(Request.CreateResponse(HttpStatusCode.BadRequest, "Sorry. You have no rights to lock sales invoice."));
                        }
                    }
                    else
                    {
                        return(Request.CreateResponse(HttpStatusCode.BadRequest, "Sorry. You have no access for this sales invoice page."));
                    }
                }
                else
                {
                    return(Request.CreateResponse(HttpStatusCode.BadRequest, "Theres no current user logged in."));
                }
            }
            catch (Exception e)
            {
                Debug.WriteLine(e);
                return(Request.CreateResponse(HttpStatusCode.InternalServerError, "Something's went wrong from the server."));
            }
        }
Beispiel #2
0
        public HttpResponseMessage AddSalesInvoicePOSIntegration(POSIntegrationEntities.POSIntegrationTrnSalesInvoice POSIntegrationTrnSalesInvoiceObject)
        {
            try
            {
                var lastSINumber   = from d in db.TrnSalesInvoices.OrderByDescending(d => d.Id) select d;
                var SINumberResult = "0000000001";
                if (lastSINumber.Any())
                {
                    var SINumber = Convert.ToInt32(lastSINumber.FirstOrDefault().SINumber) + 0000000001;
                    SINumberResult = ZeroFill(SINumber, 10);
                }

                Boolean customerExist = false;
                var     customers     = from d in db.MstArticles
                                        where d.ManualArticleCode == POSIntegrationTrnSalesInvoiceObject.CustomerManualArticleCode
                                        select d;

                if (customers.Any())
                {
                    if (customers.Count() == 1)
                    {
                        customerExist = true;
                    }
                }

                Boolean userExist = false;
                var     users     = from d in db.MstUsers
                                    where d.UserName == POSIntegrationTrnSalesInvoiceObject.CreatedBy
                                    select d;

                if (users.Any())
                {
                    if (users.Count() == 1)
                    {
                        userExist = true;
                    }
                }

                Boolean termExist = false;
                var     terms     = from d in db.MstTerms
                                    where d.Term == POSIntegrationTrnSalesInvoiceObject.Term
                                    select d;

                if (terms.Any())
                {
                    if (terms.Count() == 1)
                    {
                        termExist = true;
                    }
                }

                Boolean branchExist = false;
                var     branches    = from d in db.MstBranches
                                      where d.BranchCode == POSIntegrationTrnSalesInvoiceObject.BranchCode
                                      select d;

                if (branches.Any())
                {
                    if (branches.Count() == 1)
                    {
                        branchExist = true;
                    }
                }

                if (customerExist)
                {
                    if (userExist)
                    {
                        if (termExist)
                        {
                            if (branchExist)
                            {
                                // ====================
                                // Insert Sales Invoice
                                // ====================
                                Data.TrnSalesInvoice addSalesInvoice = new Data.TrnSalesInvoice
                                {
                                    BranchId          = branches.FirstOrDefault().Id,
                                    SINumber          = SINumberResult,
                                    SIDate            = Convert.ToDateTime(POSIntegrationTrnSalesInvoiceObject.SIDate),
                                    CustomerId        = customers.FirstOrDefault().Id,
                                    TermId            = terms.FirstOrDefault().Id,
                                    DocumentReference = POSIntegrationTrnSalesInvoiceObject.DocumentReference,
                                    ManualSINumber    = POSIntegrationTrnSalesInvoiceObject.ManualSINumber,
                                    Remarks           = POSIntegrationTrnSalesInvoiceObject.Remarks,
                                    Amount            = POSIntegrationTrnSalesInvoiceObject.Amount,
                                    PaidAmount        = POSIntegrationTrnSalesInvoiceObject.PaidAmount,
                                    AdjustmentAmount  = POSIntegrationTrnSalesInvoiceObject.AdjustmentAmount,
                                    BalanceAmount     = (POSIntegrationTrnSalesInvoiceObject.Amount - POSIntegrationTrnSalesInvoiceObject.PaidAmount) + POSIntegrationTrnSalesInvoiceObject.AdjustmentAmount,
                                    SoldById          = users.FirstOrDefault().Id,
                                    PreparedById      = users.FirstOrDefault().Id,
                                    CheckedById       = users.FirstOrDefault().Id,
                                    ApprovedById      = users.FirstOrDefault().Id,
                                    IsLocked          = true,
                                    CreatedById       = users.FirstOrDefault().Id,
                                    CreatedDateTime   = DateTime.Now,
                                    UpdatedById       = users.FirstOrDefault().Id,
                                    UpdatedDateTime   = DateTime.Now
                                };

                                db.TrnSalesInvoices.InsertOnSubmit(addSalesInvoice);
                                db.SubmitChanges();

                                // =========================
                                // Insert Sales Invoice Item
                                // =========================
                                foreach (var salesInvoiceItem in POSIntegrationTrnSalesInvoiceObject.ListPOSIntegrationTrnSalesInvoiceItem.ToList())
                                {
                                    var articleComponents = from d in db.MstArticleComponents
                                                            where d.MstArticle.ManualArticleCode == salesInvoiceItem.ItemManualArticleCode
                                                            select d;

                                    if (articleComponents.Any())
                                    {
                                        if (articleComponents.FirstOrDefault().MstArticle.Kitting == 2)
                                        {
                                            Boolean itemExist = false;
                                            var     items     = from d in db.MstArticles
                                                                where d.Id == articleComponents.FirstOrDefault().ArticleId
                                                                select d;

                                            if (items.Any())
                                            {
                                                if (items.Count() == 1)
                                                {
                                                    itemExist = true;
                                                }
                                            }

                                            if (itemExist)
                                            {
                                                var articleInventory = from d in db.MstArticleInventories
                                                                       where d.BranchId == branches.FirstOrDefault().Id &&
                                                                       d.ArticleId == items.FirstOrDefault().Id
                                                                       select d;

                                                if (articleInventory.Any())
                                                {
                                                    Boolean unitExist = false;
                                                    var     units     = from d in db.MstUnits
                                                                        where d.Unit == salesInvoiceItem.Unit
                                                                        select d;

                                                    if (units.Any())
                                                    {
                                                        if (units.Count() == 1)
                                                        {
                                                            unitExist = true;
                                                        }
                                                    }

                                                    Boolean discountExist = false;
                                                    var     discounts     = from d in db.MstDiscounts
                                                                            where d.Discount == salesInvoiceItem.Discount
                                                                            select d;

                                                    if (discounts.Any())
                                                    {
                                                        if (discounts.Count() == 1)
                                                        {
                                                            discountExist = true;
                                                        }
                                                    }

                                                    Boolean taxExist = false;
                                                    var     taxes    = from d in db.MstTaxTypes
                                                                       where d.TaxType == salesInvoiceItem.VAT
                                                                       select d;

                                                    if (taxes.Any())
                                                    {
                                                        if (taxes.Count() == 1)
                                                        {
                                                            taxExist = true;
                                                        }
                                                    }

                                                    if (unitExist)
                                                    {
                                                        if (discountExist)
                                                        {
                                                            if (taxExist)
                                                            {
                                                                var packageConversionUnit = from d in db.MstArticleUnits
                                                                                            where d.ArticleId == items.FirstOrDefault().Id &&
                                                                                            d.UnitId == items.FirstOrDefault().UnitId
                                                                                            select d;

                                                                if (packageConversionUnit.Any())
                                                                {
                                                                    Decimal baseQuantity = salesInvoiceItem.Quantity * 1;
                                                                    Decimal basePrice    = salesInvoiceItem.Amount;

                                                                    if (packageConversionUnit.FirstOrDefault().Multiplier > 0)
                                                                    {
                                                                        baseQuantity = salesInvoiceItem.Quantity * (1 / packageConversionUnit.FirstOrDefault().Multiplier);
                                                                    }

                                                                    if (baseQuantity > 0)
                                                                    {
                                                                        basePrice = salesInvoiceItem.Amount / baseQuantity;
                                                                    }

                                                                    // ============================
                                                                    // Sales Invoice Item - Package
                                                                    // ============================
                                                                    Data.TrnSalesInvoiceItem addSaleInvoiceItemPackage = new Data.TrnSalesInvoiceItem
                                                                    {
                                                                        SIId               = addSalesInvoice.Id,
                                                                        ItemId             = items.FirstOrDefault().Id,
                                                                        ItemInventoryId    = articleInventory.FirstOrDefault().Id,
                                                                        Particulars        = salesInvoiceItem.Particulars,
                                                                        UnitId             = units.FirstOrDefault().Id,
                                                                        Quantity           = salesInvoiceItem.Quantity,
                                                                        Price              = salesInvoiceItem.Price,
                                                                        DiscountId         = discounts.FirstOrDefault().Id,
                                                                        DiscountRate       = discounts.FirstOrDefault().DiscountRate,
                                                                        DiscountAmount     = salesInvoiceItem.DiscountAmount,
                                                                        NetPrice           = salesInvoiceItem.NetPrice,
                                                                        Amount             = salesInvoiceItem.Amount,
                                                                        VATId              = taxes.FirstOrDefault().Id,
                                                                        VATPercentage      = taxes.FirstOrDefault().TaxRate,
                                                                        VATAmount          = (salesInvoiceItem.Amount / (1 + (taxes.FirstOrDefault().TaxRate / 100))) * (taxes.FirstOrDefault().TaxRate / 100),
                                                                        BaseUnitId         = articleComponents.FirstOrDefault().MstArticle.UnitId,
                                                                        BaseQuantity       = baseQuantity,
                                                                        BasePrice          = basePrice,
                                                                        SalesItemTimeStamp = Convert.ToDateTime(salesInvoiceItem.SalesItemTimeStamp)
                                                                    };

                                                                    db.TrnSalesInvoiceItems.InsertOnSubmit(addSaleInvoiceItemPackage);
                                                                    db.SubmitChanges();

                                                                    // ===========================
                                                                    // Update Sales Invoice Amount
                                                                    // ===========================
                                                                    var salesInvoice = from d in db.TrnSalesInvoices
                                                                                       where d.Id == addSalesInvoice.Id
                                                                                       select d;

                                                                    if (salesInvoice.Any())
                                                                    {
                                                                        var salesInvoiceItems = from d in db.TrnSalesInvoiceItems
                                                                                                where d.SIId == addSalesInvoice.Id
                                                                                                select d;

                                                                        foreach (var articleComponent in articleComponents)
                                                                        {
                                                                            Decimal salesInvoiceItemDiscountAmount = 0 * (discounts.FirstOrDefault().DiscountRate / 100);
                                                                            Decimal salesInvoiceItemNetPrice       = 0 - (0 * (discounts.FirstOrDefault().DiscountRate / 100));

                                                                            var discount = from d in db.MstDiscounts
                                                                                           where d.Id == discounts.FirstOrDefault().Id
                                                                                           select d;

                                                                            if (discount.Any())
                                                                            {
                                                                                if (!discount.FirstOrDefault().IsInclusive)
                                                                                {
                                                                                    var price = 0 / (1 + (taxes.FirstOrDefault().TaxRate / 100));
                                                                                    salesInvoiceItemDiscountAmount = price * (discounts.FirstOrDefault().DiscountRate / 100);
                                                                                    salesInvoiceItemNetPrice       = price - (price * (discounts.FirstOrDefault().DiscountRate / 100));
                                                                                }
                                                                            }

                                                                            Decimal quantity  = articleComponent.Quantity * salesInvoiceItem.Quantity;
                                                                            Decimal amount    = quantity * salesInvoiceItemNetPrice;
                                                                            Decimal VATAmount = amount * (taxes.FirstOrDefault().TaxRate / 100);

                                                                            var taxTypeTAXIsInclusive = from d in db.MstTaxTypes
                                                                                                        where d.Id == taxes.FirstOrDefault().Id
                                                                                                        select d;

                                                                            if (taxTypeTAXIsInclusive.Any())
                                                                            {
                                                                                if (taxTypeTAXIsInclusive.FirstOrDefault().IsInclusive)
                                                                                {
                                                                                    VATAmount = amount / (1 + (taxes.FirstOrDefault().TaxRate / 100)) * (taxes.FirstOrDefault().TaxRate / 100);
                                                                                }
                                                                            }

                                                                            Int32 componentItemInventoryId  = 0;
                                                                            var   componentArticleInventory = from d in db.MstArticleInventories
                                                                                                              where d.BranchId == branches.FirstOrDefault().Id &&
                                                                                                              d.ArticleId == articleComponent.ComponentArticleId
                                                                                                              select d;

                                                                            if (componentArticleInventory.Any())
                                                                            {
                                                                                componentItemInventoryId = componentArticleInventory.FirstOrDefault().Id;
                                                                            }

                                                                            if (componentItemInventoryId > 0)
                                                                            {
                                                                                var componentItem = from d in db.MstArticles
                                                                                                    where d.Id == articleComponent.ComponentArticleId
                                                                                                    select d;

                                                                                if (componentItem.Any())
                                                                                {
                                                                                    var componentItemConversionUnit = from d in db.MstArticleUnits
                                                                                                                      where d.ArticleId == articleComponent.ComponentArticleId &&
                                                                                                                      d.UnitId == articleComponent.MstArticle1.UnitId
                                                                                                                      select d;

                                                                                    if (componentItemConversionUnit.Any())
                                                                                    {
                                                                                        Decimal componentBaseQuantity = (articleComponent.Quantity * salesInvoiceItem.Quantity) * 1;
                                                                                        if (componentItemConversionUnit.FirstOrDefault().Multiplier > 0)
                                                                                        {
                                                                                            componentBaseQuantity = (articleComponent.Quantity * salesInvoiceItem.Quantity) * (1 / componentItemConversionUnit.FirstOrDefault().Multiplier);
                                                                                        }

                                                                                        Decimal componentBasePrice = amount;
                                                                                        if (baseQuantity > 0)
                                                                                        {
                                                                                            componentBasePrice = amount / baseQuantity;
                                                                                        }

                                                                                        Data.TrnSalesInvoiceItem addSaleInvoiceItem = new Data.TrnSalesInvoiceItem
                                                                                        {
                                                                                            SIId               = addSalesInvoice.Id,
                                                                                            ItemId             = articleComponent.ComponentArticleId,
                                                                                            ItemInventoryId    = componentItemInventoryId,
                                                                                            Particulars        = articleComponent.Particulars,
                                                                                            UnitId             = articleComponent.MstArticle1.UnitId,
                                                                                            Quantity           = articleComponent.Quantity * salesInvoiceItem.Quantity,
                                                                                            Price              = 0,
                                                                                            DiscountId         = discounts.FirstOrDefault().Id,
                                                                                            DiscountRate       = discounts.FirstOrDefault().DiscountRate,
                                                                                            DiscountAmount     = salesInvoiceItemDiscountAmount,
                                                                                            NetPrice           = salesInvoiceItemNetPrice,
                                                                                            Amount             = amount,
                                                                                            VATId              = taxes.FirstOrDefault().Id,
                                                                                            VATPercentage      = taxes.FirstOrDefault().TaxRate,
                                                                                            VATAmount          = VATAmount,
                                                                                            BaseUnitId         = componentItem.FirstOrDefault().UnitId,
                                                                                            BaseQuantity       = componentBaseQuantity,
                                                                                            BasePrice          = componentBasePrice,
                                                                                            SalesItemTimeStamp = Convert.ToDateTime(salesInvoiceItem.SalesItemTimeStamp)
                                                                                        };

                                                                                        db.TrnSalesInvoiceItems.InsertOnSubmit(addSaleInvoiceItem);
                                                                                        db.SubmitChanges();
                                                                                    }
                                                                                }
                                                                            }
                                                                        }

                                                                        Decimal totalSalesInvoiceItemAmount = 0;
                                                                        if (salesInvoiceItems.Any())
                                                                        {
                                                                            totalSalesInvoiceItemAmount = salesInvoiceItems.Sum(d => d.Amount);
                                                                        }

                                                                        var updateSalesInvoiceAmount = salesInvoice.FirstOrDefault();
                                                                        updateSalesInvoiceAmount.Amount        = totalSalesInvoiceItemAmount;
                                                                        updateSalesInvoiceAmount.BalanceAmount = totalSalesInvoiceItemAmount;
                                                                        db.SubmitChanges();
                                                                    }
                                                                }
                                                            }
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                    else
                                    {
                                        Boolean itemExist = false;
                                        var     items     = from d in db.MstArticles
                                                            where d.ManualArticleCode == salesInvoiceItem.ItemManualArticleCode
                                                            select d;

                                        if (items.Any())
                                        {
                                            if (items.Count() == 1)
                                            {
                                                itemExist = true;
                                            }
                                        }

                                        if (itemExist)
                                        {
                                            var articleInventory = from d in db.MstArticleInventories
                                                                   where d.BranchId == branches.FirstOrDefault().Id &&
                                                                   d.ArticleId == items.FirstOrDefault().Id
                                                                   select d;

                                            if (articleInventory.Any())
                                            {
                                                Boolean unitExist = false;
                                                var     units     = from d in db.MstUnits
                                                                    where d.Unit == salesInvoiceItem.Unit
                                                                    select d;

                                                if (units.Any())
                                                {
                                                    if (units.Count() == 1)
                                                    {
                                                        unitExist = true;
                                                    }
                                                }

                                                Boolean discountExist = false;
                                                var     discounts     = from d in db.MstDiscounts
                                                                        where d.Discount == salesInvoiceItem.Discount
                                                                        select d;

                                                if (discounts.Any())
                                                {
                                                    if (discounts.Count() == 1)
                                                    {
                                                        discountExist = true;
                                                    }
                                                }

                                                Boolean taxExist = false;
                                                var     taxes    = from d in db.MstTaxTypes
                                                                   where d.TaxType == salesInvoiceItem.VAT
                                                                   select d;

                                                if (taxes.Any())
                                                {
                                                    if (taxes.Count() == 1)
                                                    {
                                                        taxExist = true;
                                                    }
                                                }

                                                if (unitExist)
                                                {
                                                    if (discountExist)
                                                    {
                                                        if (taxExist)
                                                        {
                                                            var conversionUnit = from d in db.MstArticleUnits
                                                                                 where d.ArticleId == items.FirstOrDefault().Id &&
                                                                                 d.UnitId == items.FirstOrDefault().UnitId
                                                                                 select d;

                                                            if (conversionUnit.Any())
                                                            {
                                                                Decimal baseQuantity = salesInvoiceItem.Quantity * 1;
                                                                if (conversionUnit.FirstOrDefault().Multiplier > 0)
                                                                {
                                                                    baseQuantity = salesInvoiceItem.Quantity * (1 / conversionUnit.FirstOrDefault().Multiplier);
                                                                }


                                                                Decimal basePrice = salesInvoiceItem.Amount;
                                                                if (baseQuantity > 0)
                                                                {
                                                                    basePrice = salesInvoiceItem.Amount / baseQuantity;
                                                                }

                                                                // ==================
                                                                // Sales Invoice Item
                                                                // ==================
                                                                Data.TrnSalesInvoiceItem addSaleInvoiceItem = new Data.TrnSalesInvoiceItem
                                                                {
                                                                    SIId               = addSalesInvoice.Id,
                                                                    ItemId             = items.FirstOrDefault().Id,
                                                                    ItemInventoryId    = articleInventory.FirstOrDefault().Id,
                                                                    Particulars        = salesInvoiceItem.Particulars,
                                                                    UnitId             = units.FirstOrDefault().Id,
                                                                    Quantity           = salesInvoiceItem.Quantity,
                                                                    Price              = salesInvoiceItem.Price,
                                                                    DiscountId         = discounts.FirstOrDefault().Id,
                                                                    DiscountRate       = discounts.FirstOrDefault().DiscountRate,
                                                                    DiscountAmount     = salesInvoiceItem.DiscountAmount,
                                                                    NetPrice           = salesInvoiceItem.NetPrice,
                                                                    Amount             = salesInvoiceItem.Amount,
                                                                    VATId              = taxes.FirstOrDefault().Id,
                                                                    VATPercentage      = taxes.FirstOrDefault().TaxRate,
                                                                    VATAmount          = (salesInvoiceItem.Amount / (1 + (taxes.FirstOrDefault().TaxRate / 100))) * (taxes.FirstOrDefault().TaxRate / 100),
                                                                    BaseUnitId         = items.FirstOrDefault().UnitId,
                                                                    BaseQuantity       = baseQuantity,
                                                                    BasePrice          = basePrice,
                                                                    SalesItemTimeStamp = Convert.ToDateTime(salesInvoiceItem.SalesItemTimeStamp)
                                                                };

                                                                db.TrnSalesInvoiceItems.InsertOnSubmit(addSaleInvoiceItem);
                                                                db.SubmitChanges();

                                                                // ===========================
                                                                // Update Sales Invoice Amount
                                                                // ===========================
                                                                var salesInvoice = from d in db.TrnSalesInvoices
                                                                                   where d.Id == addSalesInvoice.Id
                                                                                   select d;

                                                                if (salesInvoice.Any())
                                                                {
                                                                    var salesInvoiceItems = from d in db.TrnSalesInvoiceItems
                                                                                            where d.SIId == addSalesInvoice.Id
                                                                                            select d;

                                                                    Decimal totalSalesInvoiceItemAmount = 0;

                                                                    if (salesInvoiceItems.Any())
                                                                    {
                                                                        totalSalesInvoiceItemAmount = salesInvoiceItems.Sum(d => d.Amount);
                                                                    }

                                                                    var updateSalesInvoiceAmount = salesInvoice.FirstOrDefault();
                                                                    updateSalesInvoiceAmount.Amount        = totalSalesInvoiceItemAmount;
                                                                    updateSalesInvoiceAmount.BalanceAmount = totalSalesInvoiceItemAmount;
                                                                    db.SubmitChanges();
                                                                }
                                                            }
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }

                                // =======================================
                                // Insert Journal and Inventory (Business)
                                // =======================================
                                var salesInvoiceForBusiness = from d in db.TrnSalesInvoices
                                                              where d.Id == Convert.ToInt32(addSalesInvoice.Id)
                                                              select d;

                                if (salesInvoiceForBusiness.Any())
                                {
                                    inventory.InsertSIInventory(Convert.ToInt32(salesInvoiceForBusiness.FirstOrDefault().Id));
                                    journal.insertSIJournal(Convert.ToInt32(salesInvoiceForBusiness.FirstOrDefault().Id));
                                }

                                return(Request.CreateResponse(HttpStatusCode.OK, addSalesInvoice.SINumber));
                            }
                            else
                            {
                                return(Request.CreateResponse(HttpStatusCode.BadRequest, "Easyfis: Branch Not Exist!"));
                            }
                        }
                        else
                        {
                            return(Request.CreateResponse(HttpStatusCode.BadRequest, "Easyfis: Term Not Exist!"));
                        }
                    }
                    else
                    {
                        return(Request.CreateResponse(HttpStatusCode.BadRequest, "Easyfis: User Not Exist!"));
                    }
                }
                else
                {
                    return(Request.CreateResponse(HttpStatusCode.BadRequest, "Easyfis: Customer Not Exist!"));
                }
            }
            catch (Exception e)
            {
                Debug.WriteLine(e);
                return(Request.CreateResponse(HttpStatusCode.InternalServerError, "Something's went wrong from the server."));
            }
        }
        public HttpResponseMessage updateSalesInvoice(String id, Models.TrnSalesInvoice sales)
        {
            try
            {
                var userId        = (from d in db.MstUsers where d.UserId == User.Identity.GetUserId() select d.Id).SingleOrDefault();
                var salesInvoices = from d in db.TrnSalesInvoices where d.Id == Convert.ToInt32(id) select d;

                if (salesInvoices.Any())
                {
                    Decimal PaidAmount = 0;

                    var collectionLinesORId = from d in db.TrnCollectionLines where d.SIId == Convert.ToInt32(id) select d;
                    if (collectionLinesORId.Any())
                    {
                        Boolean collectionHeaderIsLocked = (from d in db.TrnCollections where d.Id == collectionLinesORId.First().ORId select d.IsLocked).SingleOrDefault();
                        var     collectionLines          = from d in db.TrnCollectionLines where d.SIId == Convert.ToInt32(id) select d;
                        if (collectionLines.Any())
                        {
                            if (collectionHeaderIsLocked == true)
                            {
                                PaidAmount = collectionLines.Sum(d => d.Amount);
                            }
                        }
                    }

                    var updateSalesInvoice = salesInvoices.FirstOrDefault();
                    updateSalesInvoice.BranchId          = sales.BranchId;
                    updateSalesInvoice.SINumber          = sales.SINumber;
                    updateSalesInvoice.SIDate            = Convert.ToDateTime(sales.SIDate);
                    updateSalesInvoice.CustomerId        = sales.CustomerId;
                    updateSalesInvoice.TermId            = sales.TermId;
                    updateSalesInvoice.DocumentReference = sales.DocumentReference;
                    updateSalesInvoice.ManualSINumber    = sales.ManualSINumber;
                    updateSalesInvoice.Remarks           = sales.Remarks;
                    updateSalesInvoice.Amount            = getAmountSalesInvoiceItem(Convert.ToInt32(id));
                    updateSalesInvoice.PaidAmount        = PaidAmount;
                    updateSalesInvoice.AdjustmentAmount  = 0;
                    updateSalesInvoice.BalanceAmount     = getAmountSalesInvoiceItem(Convert.ToInt32(id)) - PaidAmount;
                    updateSalesInvoice.SoldById          = sales.SoldById;
                    updateSalesInvoice.PreparedById      = sales.PreparedById;
                    updateSalesInvoice.CheckedById       = sales.CheckedById;
                    updateSalesInvoice.ApprovedById      = sales.ApprovedById;
                    updateSalesInvoice.IsLocked          = true;
                    updateSalesInvoice.UpdatedById       = userId;
                    updateSalesInvoice.UpdatedDateTime   = DateTime.Now;
                    db.SubmitChanges();

                    inventory.InsertSIInventory(Convert.ToInt32(id));
                    journal.insertSIJournal(Convert.ToInt32(id));

                    // Check for negative inventory
                    bool foundNegativeQuantity = false;
                    if (updateSalesInvoice.TrnSalesInvoiceItems.Any())
                    {
                        foreach (var salesInvoiceItem in updateSalesInvoice.TrnSalesInvoiceItems)
                        {
                            if (salesInvoiceItem.MstArticle.IsInventory)
                            {
                                var mstArticleInventory = from d in db.MstArticleInventories
                                                          where d.TrnSalesInvoiceItems.Contains(salesInvoiceItem)
                                                          select d;

                                if (mstArticleInventory.Any())
                                {
                                    if (salesInvoiceItem.MstArticleInventory.Quantity < 0)
                                    {
                                        foundNegativeQuantity = true;
                                        break;
                                    }
                                }
                            }
                        }
                    }

                    if (!foundNegativeQuantity)
                    {
                        return(Request.CreateResponse(HttpStatusCode.OK));
                    }
                    else
                    {
                        inventory.deleteSIInventory(Convert.ToInt32(id));
                        journal.deleteSIJournal(Convert.ToInt32(id));

                        updateSalesInvoice.IsLocked = false;
                        db.SubmitChanges();

                        return(Request.CreateResponse(HttpStatusCode.BadRequest, "Negative Inventory Found!"));
                    }
                }
                else
                {
                    return(Request.CreateResponse(HttpStatusCode.NotFound, "No Sales Invoice Found!"));
                }
            }
            catch (Exception e)
            {
                Debug.WriteLine(e);
                return(Request.CreateResponse(HttpStatusCode.BadRequest, "Internal Server Error!"));
            }
        }