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Merge branch 'amazon-min-max-repricing' into master

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This commit is contained in:
Bobbie Hodgetts
2020-10-06 20:39:22 +01:00
committed by GitHub
parent b266e1cde0 39ab7922d4
commit d8ebd29c47
2 changed files with 124 additions and 88 deletions
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10
src/bnhtrade.Core/Data/Database/Constants.cs
View File

@@ -23,6 +23,16 @@ namespace bnhtrade.Core.Data.Database
///
/// </summary>
/// <returns></returns>
public static string GetMarginSchemeTaxCode()
{
return "T190";
}
public static string GetOrderChannelAmazonUk()
{
return "Amazon.co.uk";
}
public static int GetProductConditionIdNew()
{
return 10;

202
src/bnhtrade.Core/Logic/Sku/Price/FbaPricing.cs
View File

@@ -16,12 +16,12 @@ namespace bnhtrade.Core.Logic.Sku.Price
private string sqlConnectionString;
private bnhtrade.Core.Logic.Log.LogEvent log = new Log.LogEvent();
string err = "FbaPricing Error: ";
private string marginSchemeTaxCode = "T190";
private string marginSchemeTaxCode = Data.Database.Constants.GetMarginSchemeTaxCode();
int repriceHoldOnSalePeriod = 14; // days
private int newConditionId = Data.Database.Constants.GetProductConditionIdNew();
private List<Model.Sku.Price.SkuPriceParameter> skuInfo;
private Dictionary<string, Model.Product.CompetitivePrice> competitivePrices;
DateTime crTimeStamp = DateTime.UtcNow;
DateTime newTimeStamp = DateTime.UtcNow;
private int repriceIncrementDivisor = 60;
private Dictionary<string, int> saleCountInPeriod = new Dictionary<string, int>();
private Logic.Account.TaxCalculation taxCalc;
@@ -31,28 +31,25 @@ namespace bnhtrade.Core.Logic.Sku.Price
{
this.sqlConnectionString = sqlConnectionString;
taxCalc = new Account.TaxCalculation();
crTimeStamp = DateTime.UtcNow;
marginSchemeMargin = taxCalc.GetMarginMultiplier(crTimeStamp);
newTimeStamp = DateTime.UtcNow;
marginSchemeMargin = taxCalc.GetMarginMultiplier(newTimeStamp);
}
public void Update(bool overrideDayCheck = false)
{
UpdatePrecheck();
using (var scope = new TransactionScope())
{
string orderChannel = "Amazon.co.uk"; // may in future enable other order channels
// need to add some cheks up here for last stock reconcilliation
string orderChannel = Data.Database.Constants.GetOrderChannelAmazonUk(); ; // may in future enable other order channels
// get current sku base pricing details (stock quantity, competative price, VAT info, etc.)
skuInfo = new Data.Database.Sku.Price.ReadParameter(sqlConnectionString).Execute();
if (skuInfo == null || !skuInfo.Any())
{
throw new Exception("Querying the database returned no records.");
err += "Querying the database returned no records.";
log.LogError(err);
throw new Exception(err);
}
// create lists that we'll add to during lopp
@@ -73,6 +70,8 @@ namespace bnhtrade.Core.Logic.Sku.Price
// loop through skus returnd from stock query
for (int i = 0; i < skuInfo.Count(); i++)
{
var existing = skuInfo[i];
string skuNumber = skuInfo[i].SkuNumber;
var cr = new Model.Sku.Price.PriceInfo();
@@ -85,7 +84,7 @@ namespace bnhtrade.Core.Logic.Sku.Price
cr.ReviewRequired = false;
cr.OrderChannel = orderChannel;
cr.OrderChannelQuantity = skuInfo[i].TotalQuantity;
cr.PriceInfoTimeStamp = crTimeStamp;
cr.PriceInfoTimeStamp = newTimeStamp;
cr.SkuNumber = skuInfo[i].SkuNumber;
// get inventory age range
@@ -191,87 +190,18 @@ namespace bnhtrade.Core.Logic.Sku.Price
}
// finish loop
// validate and save values to database
var validate = new Core.Logic.Validate.SkuPriceInfo();
if (!validate.IsValidDatabaseCreate(crDictionary.Values.ToList()))
{
err += "Database object create validation failed";
log.LogError(err, validate.ValidationResultListToString());
throw new Exception(err);
}
// save values to database
SaveToDatabase(crDictionary);
new Data.Database.Sku.Price.CreatePricingDetail(sqlConnectionString).Executue(crDictionary.Values.ToList());
// upload to amazon
UploadToAmazon(crDictionary);
// create and upload inventory loader file to amazon
var exportList = new List<Model.Export.AmazonIventoryLoaderFile>();
foreach (var item in crDictionary.Values)
{
var listItem = new Model.Export.AmazonIventoryLoaderFile();
listItem.Sku = item.SkuNumber;
listItem.MinimumAllowedPrice = item.MinPrice;
listItem.MaximumAllowedPrice = item.MaxPrice;
listItem.Price = item.MaxPrice;
listItem.SetFulfillmentCenterId(true);
exportList.Add(listItem);
}
// validate
var vaildateInvLoader = new Validate.AmazonIventoryLoaderFile();
if (!vaildateInvLoader.IsValidFbaPricing(exportList))
{
err += "Inventory loader object validation failed";
log.LogError(err, vaildateInvLoader.ValidationResultListToString());
throw new Exception(err);
}
// create file stream
var config = new CsvHelper.Configuration.CsvConfiguration(CultureInfo.CurrentCulture);
config.Delimiter = "\t";
config.Encoding = Encoding.UTF8;
var stream = new MemoryStream();
using (var writer = new StreamWriter(stream, Encoding.UTF8))
using (var csv = new CsvWriter(writer, config))
{
csv.WriteRecords(exportList);
}
// submit file to database and amazon mws
var submit = new Logic.Export.AmazonSubmitFile(sqlConnectionString);
return;
submit.SubmitInventoryLoader(stream);
return; // remove after testing
scope.Complete();
}
}
private bool OkayToReprice(DateTime lastPriceUpdate)
{
if (lastPriceUpdate == default(DateTime))
{
err += "Invalid, datetime is default.";
log.LogError(err);
throw new Exception(err);
}
bool update = false;
lastPriceUpdate = new DateTime(lastPriceUpdate.Year, lastPriceUpdate.Month, lastPriceUpdate.Day);
DateTime today = new DateTime(crTimeStamp.Year, crTimeStamp.Month, crTimeStamp.Day);
// will only update once on tue, wed or thurs each week.
if (today.DayOfWeek == DayOfWeek.Tuesday || today.DayOfWeek == DayOfWeek.Wednesday || today.DayOfWeek == DayOfWeek.Thursday)
{
if (today > lastPriceUpdate.AddDays(3))
{
update = true;
}
}
return update;
}
/// <summary>
/// Get the minimum sale price to break even.
/// </summary>
@@ -382,5 +312,101 @@ namespace bnhtrade.Core.Logic.Sku.Price
return 0;
}
}
private bool OkayToReprice(DateTime lastPriceUpdate)
{
if (lastPriceUpdate == default(DateTime))
{
err += "Invalid, datetime is default.";
log.LogError(err);
throw new Exception(err);
}
bool update = false;
lastPriceUpdate = new DateTime(lastPriceUpdate.Year, lastPriceUpdate.Month, lastPriceUpdate.Day);
DateTime today = new DateTime(newTimeStamp.Year, newTimeStamp.Month, newTimeStamp.Day);
// will only update once on tue, wed or thurs each week.
if (today.DayOfWeek == DayOfWeek.Tuesday || today.DayOfWeek == DayOfWeek.Wednesday || today.DayOfWeek == DayOfWeek.Thursday)
{
if (today > lastPriceUpdate.AddDays(3))
{
update = true;
}
}
return update;
}
private void SaveToDatabase(Dictionary<string, Model.Sku.Price.PriceInfo> crDictionary)
{
var validate = new Core.Logic.Validate.SkuPriceInfo();
if (!validate.IsValidDatabaseCreate(crDictionary.Values.ToList()))
{
err += "Database object create validation failed";
log.LogError(err, validate.ValidationResultListToString());
throw new Exception(err);
}
new Data.Database.Sku.Price.CreatePricingDetail(sqlConnectionString).Executue(crDictionary.Values.ToList());
}
/// <summary>
/// Before running reprice update, this method ensures that the relevant data needed is up to date.
/// </summary>
private void UpdatePrecheck()
{
throw new NotImplementedException();
// check last FBA sale import
err += "Querying the database returned no records.";
log.LogError(err);
throw new Exception(err);
// check last amazon sku fees updates
}
private void UploadToAmazon(Dictionary<string, Model.Sku.Price.PriceInfo> crDictionary)
{
var exportList = new List<Model.Export.AmazonIventoryLoaderFile>();
foreach (var item in crDictionary.Values)
{
var listItem = new Model.Export.AmazonIventoryLoaderFile();
listItem.Sku = item.SkuNumber;
listItem.MinimumAllowedPrice = item.MinPrice;
listItem.MaximumAllowedPrice = item.MaxPrice;
listItem.Price = item.MaxPrice;
listItem.SetFulfillmentCenterId(true);
exportList.Add(listItem);
}
// validate
var vaildateInvLoader = new Validate.AmazonIventoryLoaderFile();
if (!vaildateInvLoader.IsValidFbaPricing(exportList))
{
err += "Inventory loader object validation failed";
log.LogError(err, vaildateInvLoader.ValidationResultListToString());
throw new Exception(err);
}
// create file stream
var config = new CsvHelper.Configuration.CsvConfiguration(CultureInfo.CurrentCulture);
config.Delimiter = "\t";
config.Encoding = Encoding.UTF8;
var stream = new MemoryStream();
using (var writer = new StreamWriter(stream, Encoding.UTF8))
using (var csv = new CsvWriter(writer, config))
{
csv.WriteRecords(exportList);
}
// submit file to database and amazon mws
var submit = new Logic.Export.AmazonSubmitFile(sqlConnectionString);
return; // remove after testing
submit.SubmitInventoryLoader(stream);
}
}
}