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Fix amazon settlement period and other updates
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277
src/bnhtrade.Core/Logic/Export/AmazonSettlement.cs
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277
src/bnhtrade.Core/Logic/Export/AmazonSettlement.cs
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using System;
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using System.Collections.Generic;
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using System.Data.SqlClient;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Transactions;
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namespace bnhtrade.Core.Logic.Export
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{
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public class AmazonSettlement
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{
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private string sqlConnectionString;
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private Dictionary<string, Model.Account.TaxCode> taxCodeBySkuNumer;
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public AmazonSettlement(string sqlConnectionString)
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{
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this.sqlConnectionString = sqlConnectionString;
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}
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public void ToInvoice()
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{
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var console = new UI.Console.Update();
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var log = new Logic.Log.LogEvent();
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log.LogInformation("Starting processing of Amazon settlement data into export invoice table...");
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// check settlement reports consistancy
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var consistencyCheck = new Data.Database.Consistency.ImportAmazonSettlement(sqlConnectionString).PeriodDateGaps();
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if (consistencyCheck == false )
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{ return; }
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// get list of unprocssed settlement reports to export
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var settlementData = new Data.Database.Import.ReadAmazonSettlement(sqlConnectionString);
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var settlementList = settlementData.AllUnprocessed();
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settlementData = null;
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if (settlementList == null)
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{
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log.LogInformation("No new settlements to process, exiting import...");
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return;
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}
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// create list of settlement ids
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var settlementIdList = new List<string>();
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for (int i = 0; i < settlementList.Count(); i++)
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{
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settlementIdList.Add(settlementList[i].SettlementId);
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}
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// test marketplace-name has been sucsessfully entered into settlement table --
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// as this is not supplied in the original report from Amazon and has to be inferred from settlement line data
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// this is not picked up in validate stage as null value is valid
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for (int i = 0; i < settlementList.Count(); i++)
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{
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if (!settlementList[i].MarketPlaceNameIsSet)
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{
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log.LogError(
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"Action required: Enter market place name for settlelment report id " + settlementList[i].SettlementId + "."
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, "Unable to process settlement data from one settlement report '" + settlementList[i].SettlementId +
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"'. Report header table requires a market place name, which is not supplied in original " +
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"report from Amazon. This is useually inferred from settlement lines. " +
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"However, in this case, it was not not possible. Manual edit/entry for database table required."
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);
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}
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}
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// validate settlelments
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var validate = new Logic.Import.ValidateAmazonSettlement();
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for (int i = 0; i < settlementList.Count(); i++)
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{
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if (!validate.IsValid(settlementList[i]))
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{
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log.LogError("Error procesing Amazon Settlement data for export.", validate.ErrorListToString());
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}
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}
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if (validate.ErrorListIsSet) { return; }
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// get dictionary of sku-number to taxcodeId
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Console.Write("\rBuilding SKU list... ");
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var dicSkuNumberToTaxCodeId = new Dictionary<string, string>();
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for (int i = 0; i < settlementList.Count(); i++)
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{
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if (settlementList[i].SettlementLineListIsSet)
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{
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for (int j = 0; j < settlementList[i].SettlementLineList.Count(); j++)
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{
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if (settlementList[i].SettlementLineList[j].SkuIsSet
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&& !string.IsNullOrWhiteSpace(settlementList[i].SettlementLineList[j].Sku))
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{
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if (!dicSkuNumberToTaxCodeId.ContainsKey(settlementList[i].SettlementLineList[j].Sku))
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{
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dicSkuNumberToTaxCodeId.Add(settlementList[i].SettlementLineList[j].Sku, null);
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}
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}
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}
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}
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}
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var readTaxCode = new Data.Database.Account.ReadTaxCode(sqlConnectionString);
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taxCodeBySkuNumer = readTaxCode.BySkuNumber(dicSkuNumberToTaxCodeId.Keys.ToList());
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// loop through each settlement and build list of invoices to export
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Console.Write("\rBuilding invoices to export... ");
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var invoiceList = new List<Model.Account.SalesInvoice>();
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for (int i = 0; i < settlementList.Count(); i++)
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{
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// split settlement line list into months
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// List<Model.Account.SalesInvoice.InvoiceLine>
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var monthList = settlementList[i].SettlementLineList
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.GroupBy(x => new DateTime(x.PostDateTime.Year, x.PostDateTime.Month, 1, 0, 0, 0, x.PostDateTime.Kind));
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//.GroupBy(x => string.Format("{0}-{1}", x.PostDateTime.Year, x.PostDateTime.Month));
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//.GroupBy(x => new { x.PostDateTime.Month, x.PostDateTime.Year });
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int monthCount = 0;
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foreach (var month in monthList)
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{
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monthCount++;
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var itemCodeTotal = new Dictionary<string, decimal>();
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foreach (var line in month)
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{
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string itemCode = BuildLineItemCode(line.Sku, line.TransactionType, line.AmountType, line.AmountDescription);
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if (itemCodeTotal.ContainsKey(itemCode))
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{
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itemCodeTotal[itemCode] += line.Amount;
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}
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else
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{
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itemCodeTotal.Add(itemCode, line.Amount);
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}
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}
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// create invoice, one for each month
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var invoice = new Model.Account.SalesInvoice();
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// create invoice lines forsy
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invoice.InvoiceLineList = new List<Model.Account.SalesInvoice.InvoiceLine>();
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decimal lineNetTotal = 0m;
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decimal lineTaxTotal = 0m;
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foreach (var item in itemCodeTotal)
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{
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var line = new Model.Account.SalesInvoice.InvoiceLine();
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line.ItemCode = item.Key;
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line.TotalNetAmount = item.Value;
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lineNetTotal += item.Value;
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line.TaxAmount = 0;
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lineTaxTotal += 0;
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line.Quantity = 1;
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invoice.InvoiceLineList.Add(line);
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}
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invoice.ContactName = settlementList[i].MarketPlaceName;
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invoice.InvoiceCurrencyCode = settlementList[i].CurrencyCode;
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if (monthList.Count() == 1 || monthList.Count() == monthCount)
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{ invoice.InvoiceDate = settlementList[i].EndDate; }
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else
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{ invoice.InvoiceDate = new DateTime(month.Key.Year, month.Key.Month, 1, 0, 0, 0, DateTimeKind.Utc).AddMonths(1).AddDays(-1); }
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invoice.InvoiceDateKind = DateTimeKind.Utc;
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invoice.InvoiceDueDate = settlementList[i].DepositDate;
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invoice.InvoiceReference = settlementList[i].SettlementId;
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invoice.InvoiceAmount = lineNetTotal + lineTaxTotal;
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if (invoice.InvoiceAmount < 0) { invoice.IsCreditNote = true; }
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else { invoice.IsCreditNote = false; }
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// invoice complete, add to list
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invoiceList.Add(invoice);
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}
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}
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// sort list of invoices
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invoiceList = invoiceList.OrderBy(x => x.InvoiceReference).ThenBy(x => x.InvoiceDate).ToList();
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// check invoice total against settlement totals
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var invoiceTotal = new Dictionary<string, decimal>();
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for (int i = 0; i < invoiceList.Count(); i++)
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{
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if (invoiceTotal.ContainsKey(invoiceList[i].InvoiceReference))
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{
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invoiceTotal[invoiceList[i].InvoiceReference] += invoiceList[i].InvoiceAmount;
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}
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else
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{
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invoiceTotal.Add(invoiceList[i].InvoiceReference, invoiceList[i].InvoiceAmount);
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}
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}
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for (int i = 0; i < settlementList.Count(); i++)
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{
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if (settlementList[i].TotalAmount != invoiceTotal[settlementList[i].SettlementId])
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{
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throw new Exception("invoice totals does not match settlement total.");
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}
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}
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if (settlementIdList.Count != invoiceTotal.Count())
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{
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log.LogError("Stopping Settlement export. Not all settlements have been transposed into invoices.");
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return;
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}
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// postfix invoices spanning multiple months with -n
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if (invoiceList.Count() > 1)
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{
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string lastRef = invoiceList[0].InvoiceReference;
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int countRef = 1;
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for (int i = 1; i < invoiceList.Count(); i++)
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{
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if (invoiceList[i].InvoiceReference == lastRef)
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{
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if (countRef == 1)
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{
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invoiceList[i - 1].InvoiceReference = lastRef + "-" + countRef;
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}
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invoiceList[i].InvoiceReference = lastRef + "-" + (countRef += 1);
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}
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else
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{
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// shouldn't normally be more than 2 date ranges, log and move on.
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if (countRef > 2)
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{
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log.LogError(
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countRef + " total numner of export invoices created from Amazon Settlement Id" + lastRef + "."
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, "Settlement period appears to span more 3 months or more. Whilst this is possible, it is unsual. Confirm his is correct.");
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}
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lastRef = invoiceList[i].InvoiceReference;
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countRef = 1;
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}
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}
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}
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Console.Write("\rWriting to database... ");
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using (TransactionScope scope = new TransactionScope())
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{
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try
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{
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// write to the database (gets validated there)
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new Data.Database.Export.CreateSalesInvoice(sqlConnectionString).SaveInvoice(invoiceList);
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// set settlements to isprocessed
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new Data.Database.Import.UpdateAmazonSettlement(sqlConnectionString).SetIsProcessedTrue(settlementIdList);
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scope.Complete();
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}
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catch (Exception ex)
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{
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scope.Dispose();
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log.LogError(ex.Message);
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return;
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}
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}
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Console.Write("\r");
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log.LogInformation("\rFinished processing of Amazon settlement data. " + invoiceList.Count() + " invoices created from "+ settlementIdList.Count() + " Amazon settlement reports.");
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}
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private string BuildLineItemCode(string skuNumber, string transactionType, string amountType, string amountDescription)
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{
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// build the match string
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// NB special case for global accounting sale and refunds (also note Goodlwill is included) and sku's where tax is included
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string match01 = transactionType;
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string match02 = amountType;
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string match03 = amountDescription;
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string matchString = "<AmazonReport><SettlementReportLine><" + match01 + "><" + match02 + "><" + match03 + ">";
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// add tax info if required
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if ((match01 == "Order" || match01 == "Refund")
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&& (match02 == "ItemPrice" || match02 == "Promotion"))
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{
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if (taxCodeBySkuNumer.ContainsKey(skuNumber))
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{
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matchString = matchString + "<TaxCode=" + taxCodeBySkuNumer[skuNumber].TaxCodeId + ">";
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}
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else
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{
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throw new Exception("Sku#" + skuNumber + " tax info not found in dictionary list.");
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}
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}
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return matchString;
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}
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}
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}
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