}//calculateListPrice
//-----------------------------------------------------------------------------------------------------//
private double GetCurrency(PriceRecord priceRecord)
{
PriceListRecord priceListRecord = null;
try
{
currencyData = ws.CreateObject("CurrencyData");
double xRate = 1;
priceListRecord = (PriceListRecord)ws.CreateObject("PriceListRecord");
string priceListName = (String)SDOHelper.Read(priceRecord, "EXT_REF");
SDOHelper.Write(priceListRecord, "REFERENCE", priceListName);
if (!priceListRecord.Find(false))
return xRate;
int currCode = (sbyte)SDOHelper.Read(priceListRecord, "CURRENCY") + 1;
double baseCurrencyCode = (double)sageUserSet.baseCurrCode;
if (currCode != baseCurrencyCode)
{
currencyData.Read(currCode);
xRate = (double)SDOHelper.Read(currencyData, "EXCHANGE_RATE");
}//If
return xRate;
}
finally
{
if (priceListRecord != null)
{
Marshal.FinalReleaseComObject(priceListRecord);
priceListRecord = null;
}//If
}//Finally
}//getCurrency
public async Task <IActionResult> PutProductShop(int id, ProductShop productShop)
{
if (id != productShop.ProductShopId)
{
return(BadRequest());
}
var pr = new PriceRecord();
pr.Price = productShop.Price;
pr.PriceDate = productShop.PriceDate;
productShop.AddRecord(pr);
_context.Entry(productShop).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!ProductShopExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}
public string Run(List <PriceRecord> tradeData)
{
decimal highestGap = 0;
var buyPrice = new PriceRecord();
var sellPrice = new PriceRecord();
foreach (var openingPriceRecord in tradeData)
{
// sell candidates should be prices after openingPriceRecord.DayOfMonth, and greater than openingPriceRecord.Value
var sellCandidates = tradeData
.Where(x => x.DayOfMonth > openingPriceRecord.DayOfMonth)
.Where(x => x.Value > openingPriceRecord.Value);
foreach (var sellCandidate in sellCandidates)
{
var gap = sellCandidate.Value - openingPriceRecord.Value;
if (gap > highestGap)
{
buyPrice = openingPriceRecord;
sellPrice = sellCandidate;
highestGap = gap;
}
}
}
return($"{buyPrice.DayOfMonth}({buyPrice.Value}),{sellPrice.DayOfMonth}({sellPrice.Value})");
}
private void CapList(int itemId)
{
PriceRecord temp = _context.ListTrends.Where(e => e.TrackListId == itemId &&
e.DaysAgo == 30).ToList()[0];
_context.Remove(temp);
_context.SaveChanges();
}
public async Task <ActionResult> DbUpdate(string authKey)
{
if (authKey != MailConfig.SendPass)
{
return(NoContent());
}
var Listings = _context.TrackLists.Where(e => e.UserId != 7).ToList();
foreach (var item in Listings)
{
float price = 0f;
try
{
string[] info = await PriceScraper.FetchData(item.PageUrl);
price = float.Parse(info[1]);
if (item.MaxPrice >= price)
{
MailSender.MakeEmail(item.ListedEmail, item.ItemName,
info[1], item.PageUrl, item.Vendor);
}
}
catch
{
RemoveItem(item.Id);
continue;
}
var nodes = _context.ListTrends.Where(e => e.TrackListId == item.Id).ToList();
bool isMax = false;
nodes.ForEach(e => e.DaysAgo += 1);
if (nodes.Count == 30)
{
isMax = true;
}
PriceRecord NewNode = new PriceRecord
{
DaysAgo = 0,
Price = price,
ItemName = item.ItemName,
TrackListId = item.Id
};
_context.ListTrends.Add(NewNode);
_context.SaveChanges();
if (isMax)
{
CapList(item.Id);
}
}
return(Ok());
}
private List <PriceRecord> BuildModelFromFileContents(IReadOnlyList <string> data)
{
var list = new List <PriceRecord>();
for (var index = 0; index < data.Count; index++)
{
var priceAsDecimal = Convert.ToDecimal(data[index]);
var priceRecord = new PriceRecord {
DayOfMonth = index + 1, Value = priceAsDecimal
};
list.Add(priceRecord);
}
return(list);
}
private async Task <ActionResult> AppendPriceRecord(string itemName, float price, int uid)
{
var tmpId = _context.TrackLists.SingleOrDefault(t =>
t.ItemName == itemName && t.UserId == uid);
PriceRecord pr = new PriceRecord
{
DaysAgo = 0,
Price = price,
ItemName = itemName,
TrackListId = tmpId.Id
};
_context.ListTrends.Add(pr);
await _context.SaveChangesAsync();
return(NoContent());
}
public override List <PriceRecord> GetPriceRecords(DateTime lastDateTime)
{
if (!IsAvailable)
{
return(new List <PriceRecord>());
}
var priceRecords = new List <PriceRecord>();
var tickerUrl = Properties.Settings.Default.RavaUrl + "?";
tickerUrl = Parameters.Aggregate(tickerUrl, (current, parameter) => current + (parameter.Key + "=" + parameter.Value + "&"));
tickerUrl = tickerUrl.TrimEnd(new [] { '&' });
var client = new WebClient();
var input = client.DownloadString(tickerUrl);
var matchSymbolValues = Regex.Matches(input,
@"<td>(\d{2})\/(\d{2})\/(\d{2})<\/td><td>(\d[\d.,]+)<\/td><td>(\d[\d.,]+)<\/td><td>(\d[\d.,]+)<\/td><td>(\d[\d.,]+)<\/td><td>(\d[\d.,]+)",
RegexOptions.Singleline);
foreach (Match match in matchSymbolValues)
{
var date = new DateTime(Int32.Parse("20" + match.Groups[3].Value),
Int32.Parse(match.Groups[2].Value),
Int32.Parse(match.Groups[1].Value));
if (date <= lastDateTime)
{
break;
}
var pr = new PriceRecord(new MetaLibDate(date), float.Parse(match.Groups[4].Value),
float.Parse(match.Groups[5].Value),
float.Parse(match.Groups[6].Value), float.Parse(match.Groups[7].Value),
float.Parse(match.Groups[8].Value));
priceRecords.Add(pr);
}
priceRecords = priceRecords.OrderBy(x => x.Date.Date).ToList();
return(priceRecords);
}
}//parseExMsg
//------------------------------------------------------------------------------------------------------------------//
/// <summary>
/// Make sure all objects are released for garbage collection.
/// </summary>
public void DestroyAllObjects()
{
if (priceRecord != null)
{
Marshal.FinalReleaseComObject(priceRecord);
priceRecord = null;
}//If
if (salesRecord != null)
{
Marshal.FinalReleaseComObject(salesRecord);
salesRecord = null;
}//If
if (currencyData != null)
{
Marshal.FinalReleaseComObject(currencyData);
currencyData = null;
}//If
if (stockRecord != null)
{
Marshal.FinalReleaseComObject(stockRecord);
stockRecord = null;
}//If
if (ws != null)
{
ws.Disconnect();
Marshal.FinalReleaseComObject(ws);
ws = null;
}//If
if (sdo != null)
{
Marshal.FinalReleaseComObject(sdo);
sdo = null;
}//If
}//DestroyAllObjects
public override List <PriceRecord> GetPriceRecords(DateTime lastDateTime)
{
if (!IsAvailable)
{
return(new List <PriceRecord>());
}
var symbolId = Parameters["SymbolId"];
var priceRecords = new List <PriceRecord>();
var tickerUrl = Properties.Settings.Default.IOLCsvUrl + symbolId;
var client = new WebClient();
var symbolCsv = client.DownloadString(tickerUrl);
var matchSymbolValues = Regex.Matches(symbolCsv,
@"(\d{4}-\d{2}-\d{2}) \d{2}:\d{2}:\d{2};([\d,]+);([\d,]+);([\d,]+);([\d,]+);([\d,.]+)",
RegexOptions.Singleline);
foreach (Match match in matchSymbolValues)
{
var date = DateTime.Parse(match.Groups[1].Value);
if (date <= lastDateTime)
{
break;
}
var pr = new PriceRecord(new MetaLibDate(date), float.Parse(match.Groups[2].Value),
float.Parse(match.Groups[3].Value),
float.Parse(match.Groups[4].Value), float.Parse(match.Groups[5].Value),
float.Parse(match.Groups[6].Value));
priceRecords.Add(pr);
}
priceRecords = priceRecords.OrderBy(x => x.Date.Date).ToList();
return(priceRecords);
}
public MinPriceCalculatorStrategy(Product product, Price parent)
{
_product = product ?? throw new ArgumentNullException(nameof(product), @"Product cannot be null.");
_parentRecord = _product.Links.First(l => l.PriceRecord.PriceNavigation == parent).PriceRecord;
}
/// <summary>
/// Adds the current <see cref="PriceRecord"/> to the passed <see cref="QifDocument"/>
/// </summary>
/// <param name="document"><see cref="QifDocument"/> to which the transaction is added</param>
public void Yield(QifDocument document)
{
document.AddTransaction(GetType().Name, item);
item = new PriceRecord();
}
public void Seed()
{
if (_context.Shop.Any() ||
_context.Brand.Any() ||
_context.Product.Any() ||
_context.ProductShops.Any() ||
_context.PriceRecords.Any())
{
return;
}
Address a1 = new(1, "Goiás", "Aparecida de Goiânia", "Nova Olinda", "Av. Santana");
Address a2 = new(2, "Goiás", "Aparecida de Goiânia", "Parque Itamarati", "Av. Maria Lopes");
Shop s1 = new(3, "Cristo Rei 2", a1);
Shop s2 = new(4, "Armazem Castro", a2);
Brand b1 = new(5, "Sadia");
Brand b2 = new(6, "Perdigão");
Product p1 = new(7, "Coxa e sobre-coxa", "img1", "Carne", b1);
Product p2 = new(8, "Coxa e sobre-coxa", "img2", "Carne", b1);
ProductShop ps1 = new(1, p1, s1, 11.00, DateTime.Today);
ProductShop ps2 = new(2, p2, s1, 11.00, DateTime.Today);
ProductShop ps3 = new(3, p1, s2, 12.00, DateTime.Today);
ProductShop ps4 = new(4, p2, s2, 12.00, DateTime.Today);
PriceRecord pr1 = new PriceRecord(1, ps1, ps1.Price, ps1.PriceDate);
PriceRecord pr2 = new PriceRecord(2, ps2, ps2.Price, ps2.PriceDate);
PriceRecord pr3 = new PriceRecord(3, ps3, ps3.Price, ps3.PriceDate);
PriceRecord pr4 = new PriceRecord(4, ps4, ps4.Price, ps4.PriceDate);
ps1.AddRecord(pr1);
ps1.AddRecord(pr2);
ps1.AddRecord(pr3);
ps1.AddRecord(pr4);
b1.InsertProduct(p1);
b2.InsertProduct(p2);
b1.InsertProduct(p1);
b2.InsertProduct(p2);
s1.AddProduct(ps1);
s1.AddProduct(ps2);
s2.AddProduct(ps3);
s2.AddProduct(ps4);
_context.ProductShops.AddRange(ps1, ps2, ps3, ps4);
_context.PriceRecords.AddRange(pr1, pr2, pr3, pr4);
_context.Shop.AddRange(s1, s2);
_context.Brand.AddRange(b1, b2);
_context.Product.AddRange(p1, p2);
_context.SaveChanges();
}
}//CTOR
//-------------------------------------------------------------------------------------------------------//
/// <summary>
/// Reads all invoices and stores it's values in a List.
/// </summary>
/// <param name="customersFileName"></param>
public MyDictionary<MyDictionary<double>> ReadPriceListData()
{
//PriceListActivity set to new() so null is not returned.
MyDictionary<MyDictionary<double>> PriceListActivity = new MyDictionary<MyDictionary<double>>();
try
{
sdo = new SDOEngine();
//Try a connection, will throw an exception if it fails
ws = (WorkSpace)sdo.Workspaces.Add("App Server Update");
ws.Connect(sageUserSet.sageDBDir, sageUserSet.sageUsername, sageUserSet.sagePassword, "UniqueUpdater");
//Dictionary of PriceList Name vs PriceList Data.
MyDictionary<MyDictionary<double>> miniPLActivity = new MyDictionary<MyDictionary<double>>();
//Dictionary of PriceList Name vs PriceListUserList.
MyDictionary<List<string>> plUsers = new MyDictionary<List<string>>();
//Create instances of the objects
priceRecord = (PriceRecord)ws.CreateObject("PriceRecord");
salesRecord = (SalesRecord)ws.CreateObject("SalesRecord");
stockRecord = (StockRecord)ws.CreateObject("StockRecord");
//Create a dictionary of PL's that are acually being referenced v's Empty ProductActivities.
//Single Price Lists can be used for multiple Customers
salesRecord.MoveFirst();
do
{
string cusCode;
string cusPriceListRef = ((String)SDOHelper.Read(salesRecord, "PRICE_LIST_REF")).Trim();
//If pLists already contains PL then add customer to it's entry. Else make new entry if not empty string.
if (plUsers.ContainsKey(cusPriceListRef))
{
cusCode = (String)SDOHelper.Read(salesRecord, "ACCOUNT_REF");
plUsers[cusPriceListRef].Add(cusCode);
}
else if (!cusPriceListRef.Equals(String.Empty))
{
plUsers[cusPriceListRef] = new List<string>();
cusCode = (String)SDOHelper.Read(salesRecord, "ACCOUNT_REF");
plUsers[cusPriceListRef].Add(cusCode);
//Add new entry for each priceList.
miniPLActivity[cusPriceListRef] = new MyDictionary<double>();
}//Else
} while (salesRecord.MoveNext());
Dictionary<string, double> productActivity = null;
string plName = String.Empty;
string plNamePrev = String.Empty;
double calcValue;
int calcMeth;
double xRate = 1;
double costPrice;
double salePrice;
double listPrice;
string stockCode;
//Start at first pricerecord
priceRecord.MoveFirst();
do
{
//Get first stock code in Price List.
stockCode = (String)SDOHelper.Read(priceRecord, "STOCK_CODE");
//Create SDO stockRecord with this stockCode to use for searching later.
SDOHelper.Write(stockRecord, "STOCK_CODE", stockCode);
plName = ((string)SDOHelper.Read(priceRecord, "EXT_REF")).Trim();
calcValue = (double)SDOHelper.Read(priceRecord, "VALUE");
calcMeth = (sbyte)SDOHelper.Read(priceRecord, "DISCOUNT_TYPE");
salePrice = (double)SDOHelper.Read(stockRecord, "SALES_PRICE");
costPrice = CheckProduct(stockCode).CostPrice;
if (plName.Equals(plNamePrev))
{
//Old plName: Check stock, if found get it's list price & add to productActivity from PLACtivity.
if (stockRecord.Find(false))
{
listPrice = CalculateListPrice(calcValue, calcMeth, costPrice, salePrice, xRate);
productActivity[stockCode] = listPrice;
}//If
}
else if (miniPLActivity.ContainsKey(plName))
{
//New name: Check stock, if found get it's list price & add to productActivity from PLACtivity.
//Change plNamePrev
//Get new currency, keep till next Price List.
if (stockRecord.Find(false))
{
xRate = GetCurrency(priceRecord);
listPrice = CalculateListPrice(calcValue, calcMeth, costPrice, salePrice, xRate);
productActivity = miniPLActivity[plName];
productActivity[stockCode] = listPrice;
plNamePrev = plName;
}//If
}//Else
} while (priceRecord.MoveNext());
//Give each customer their own PriceList.
foreach (string key in plUsers.Keys)
{
foreach (string cusCode in plUsers[key])
{
PriceListActivity[cusCode] = miniPLActivity[key];
}//ForEach
}//ForEach
}
finally
{
DestroyAllObjects();
}//Finally
return PriceListActivity;
}//ReadPriceListData
public CompositePriceViewModel(PriceRecord priceRecord)
{
_priceRecord = priceRecord;
}
