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Controllers/NewCOIController.cs

@@ -20,6 +20,7 @@ using Rotativa;
 using System.Data.Entity.Migrations;
 using System.Web.WebPages;
 using System.Data.Entity.Validation;
+using System.Data.SqlClient;
 
 namespace OSS.Controllers
 {
@@ -2220,16 +2221,22 @@ namespace OSS.Controllers
                     return RedirectToAction("Payment");
                 }
 
-                var project = myContext.ProjectProfilesExternal.FirstOrDefault(t => t.ProjectCode == code);
-                if (project == null)
+                // Find the parent application using ProjectCode
+                var parentApplication = myContext.ApplicationManagers
+                    .Where(a => a.ProjectCode == code)
+                    .OrderByDescending(a => a.CreatedDate)
+                    .FirstOrDefault();
+
+                if (parentApplication == null)
                 {
-                    TempData["PaymentError"] = "Project details not found.";
+                    TempData["PaymentError"] = "Parent application not found for this project code.";
                     EnsurePaymentSessionDefaults("TZS");
                     return RedirectToAction("Payment");
                 }
 
-                // Resolve additional amount from tblService (ServiceName='Additional_Amount', Currency='TZS', Status='1')
+                // Resolve additional amount and GFSCode from tblService (ServiceName='Additional_Amount', Currency='TZS', Status='1')
                 decimal addAmount = 0m;
+                string gfsCode = "142201370002"; // Default fallback
                 try
                 {
                     var feeRow = myContext.ServiceFees
@@ -2240,7 +2247,11 @@ namespace OSS.Controllers
                             (s.ServiceName ?? "").Trim() == "Additional_Amount");
 
                     if (feeRow != null && feeRow.Fee.HasValue && feeRow.Fee.Value > 0m)
+                    {
                         addAmount = feeRow.Fee.Value;
+                        if (!string.IsNullOrWhiteSpace(feeRow.GFSCode))
+                            gfsCode = feeRow.GFSCode;
+                    }
                 }
                 catch
                 {
@@ -2255,87 +2266,70 @@ namespace OSS.Controllers
                     return RedirectToAction("Payment");
                 }
 
-                // If an additional invoice already exists, reuse it (check for all Additional_Amount variants)
-                var existingInv = myContext.ApplicationManagers
-                    .OrderByDescending(a => a.CreatedDate)
-                    .FirstOrDefault(a => a.ProjectCode == code );
+                // Check if additional invoice already exists in tblInvoice
+                var existingInvoiceId = myContext.Database.SqlQuery<long?>(
+                    "SELECT TOP 1 InvoiceID FROM tblInvoice WHERE ApplicationCode = @p0 AND SubServiceName LIKE 'Additional_Amount%' ORDER BY InvoiceID DESC",
+                    code).FirstOrDefault();
 
-                if (existingInv != null)
+                if (existingInvoiceId.HasValue)
                 {
-                    Session["Amount"] = existingInv.Amount.ToString("0");
-                    var currency = string.IsNullOrWhiteSpace(existingInv.Currency) ? "TZS" : existingInv.Currency;
-                    Session["Currency"] = currency;
-                    Session["AmountinWords"] = CurrencyUtils.ToWords(existingInv.Amount) + " " + currency;
-                    // In Additional Payment context: hide the button and paid invoices, and mark additional context
+                    // Get the existing invoice details
+                    var invoiceDetails = myContext.Database.SqlQuery<dynamic>(
+                        "SELECT Amount, Currency FROM tblInvoice WHERE InvoiceID = @p0",
+                        existingInvoiceId.Value).FirstOrDefault();
+
+                    if (invoiceDetails != null)
+                    {
+                        Session["Amount"] = invoiceDetails.Amount.ToString();
+                        var currency = invoiceDetails.Currency ?? "TZS";
+                        Session["Currency"] = currency;
+                        Session["AmountinWords"] = CurrencyUtils.ToWords(Convert.ToDecimal(invoiceDetails.Amount)) + " " + currency;
+                    }
                     ViewBag.HideAdditionalButton = true;
                     TempData["HidePaidInvoices"] = true;
                     TempData["AdditionalContext"] = true;
                     return View("Payment");
                 }
 
-                // Find the original application invoice to copy all details from (exclude all Additional_Amount variants)
-                var originalInvoice = myContext.ApplicationManagers
-                    .Where(a => a.ProjectCode == code && 
-                        a.ServiceName != "Additional_Amount" && 
-                        a.ServiceName != "Additional_Amount_New" && 
-                        a.ServiceName != "Additional_Amount_Expansion")
-                    .OrderByDescending(a => a.CreatedDate)
-                    .FirstOrDefault();
+                // Generate BillItemRefNo (using timestamp and project code)
+                string billItemRefNo = "BILL-" + DateTime.Now.ToString("yyyyMMddHHmmss") + "-" + code;
 
-                var applicant = myContext.InvestorExternl.FirstOrDefault(x => x.CompanyEmail == username);
+                // Determine ServiceTypeID (default to 1, adjust if needed based on business logic)
+                int serviceTypeID = 1;
 
-                // Determine ServiceName based on original invoice (New or Expansion)
-                string serviceNameForAdditional = "Additional_Amount";
-                if (originalInvoice != null && !string.IsNullOrWhiteSpace(originalInvoice.ServiceName))
+                // Insert directly into tblInvoice using the parent application details
+                string sql = @"
+                    INSERT INTO [dbo].[tblInvoice] 
+                    ([FullName],[PhoneNo],[GFSCode],[BillItemRefNo],[SubServiceName],[Amount],FrontUserId,ApplicationID,StartDate,Expiredate,ServiceTypeID,ApplicationCode,[Currency],[TIN_No])
+                    VALUES 
+                    (@FullName,@PhoneNo,@GFSCode,@BillItemRefNo,@SubServiceName,@Amount,@FrontUserId,@ApplicationID,GETDATE(),DATEADD(day,30,GETDATE()),@ServiceTypeID,@ApplicationCode,@Currency,@TIN_No)";
+
+                int rowsAffected = myContext.Database.ExecuteSqlCommand(sql,
+                    new SqlParameter("@FullName", (object)parentApplication.FullName ?? DBNull.Value),
+                    new SqlParameter("@PhoneNo", (object)parentApplication.MobileNo ?? DBNull.Value),
+                    new SqlParameter("@GFSCode", (object)gfsCode ?? DBNull.Value),
+                    new SqlParameter("@BillItemRefNo", (object)billItemRefNo ?? DBNull.Value),
+                    new SqlParameter("@SubServiceName", (object)"Additional_Amount" ?? DBNull.Value),
+                    new SqlParameter("@Amount", addAmount),
+                    new SqlParameter("@FrontUserId", (object)username ?? DBNull.Value),
+                    new SqlParameter("@ApplicationID", (object)parentApplication.ApplicationID ?? DBNull.Value),
+                    new SqlParameter("@ServiceTypeID", serviceTypeID),
+                    new SqlParameter("@ApplicationCode", (object)code ?? DBNull.Value),
+                    new SqlParameter("@Currency", "TZS"),
+                    new SqlParameter("@TIN_No", (object)parentApplication.CompanyTIN ?? DBNull.Value)
+                );
+
+                if (rowsAffected <= 0)
                 {
-                    var originalService = originalInvoice.ServiceName.Trim();
-                    if (originalService.IndexOf("new", StringComparison.OrdinalIgnoreCase) >= 0 || 
-                        originalService.Equals("New", StringComparison.OrdinalIgnoreCase))
-                    {
-                        serviceNameForAdditional = "Additional_Amount_New";
-                    }
-                    else if (originalService.IndexOf("expansion", StringComparison.OrdinalIgnoreCase) >= 0 || 
-                             originalService.Equals("Expansion", StringComparison.OrdinalIgnoreCase))
-                    {
-                        serviceNameForAdditional = "Additional_Amount_Expansion";
-                    }
+                    TempData["PaymentError"] = "Could not create additional payment invoice in tblInvoice.";
+                    EnsurePaymentSessionDefaults("TZS");
+                    return RedirectToAction("Payment");
                 }
 
-                // Create new invoice copying all details from original invoice, but with Additional_Amount service and amount
-                var inv = new ApplicationManager
-                {
-                    ProjectCode = code,
-                    ProjectName = originalInvoice?.ProjectName ?? (project.ProjectName ?? string.Empty),
-                    CompanyName = originalInvoice?.CompanyName ?? (project.CompanyName ?? string.Empty),
-                    ServiceName = serviceNameForAdditional,
-                    MobileNo = originalInvoice?.MobileNo ?? (applicant?.Mobile ?? string.Empty),
-                    FullName = originalInvoice?.FullName ?? string.Empty,
-                    CreatedDate = DateTime.Now,
-                    CompanyTIN = originalInvoice?.CompanyTIN ?? (Session["CompanyTIN"] as string) ?? string.Empty,
-                    CompanyEmail = username,
-                    Currency = "TZS",
-                    Station = originalInvoice?.Station ?? "HQ",
-                    Amount = addAmount, // 2,000,000 TZS from tblService
-                    StartDate = originalInvoice?.StartDate ?? DateTime.Now,
-                    Expiredate = originalInvoice?.Expiredate ?? DateTime.Now.AddYears(1),
-                    Comments = originalInvoice?.Comments ?? string.Empty,
-                    EvaluationStatus = originalInvoice?.EvaluationStatus ?? string.Empty,
-                    GePGComment = originalInvoice?.GePGComment ?? string.Empty
-                };
-
                 Session["Amount"] = addAmount.ToString("0");
                 Session["Currency"] = "TZS";
                 Session["AmountinWords"] = CurrencyUtils.ToWords(addAmount) + " Tanzanian Shillings";
 
-                string saveErr;
-                var company = myContext.CompanyProfileExternal.FirstOrDefault(c => c.AddedBy == username);
-                if (!TrySaveInvoice(myContext, inv, company, out saveErr))
-                {
-                    TempData["PaymentError"] = "Could not save additional payment invoice. " + saveErr;
-                    EnsurePaymentSessionDefaults("TZS");
-                    return RedirectToAction("Payment");
-                }
-
                 // In Additional Payment context: hide the "Pay Additional Amount" button and hide previous paid invoices
                 ViewBag.HideAdditionalButton = true;
                 TempData["HidePaidInvoices"] = true;