private void UpdateGraphWithPricePoints()
{
MTGCard curCard = DM.GetCurrentCard();
List <PricePoint> curPP = DM.GetCurrentPricePoints();
if (curCard == null || curPP == null)
{
// This can be called at the start to update sources when card/PP are null.
return;
}
foreach (Series cs in mtgPriceChart.Series)
{
cs.Points.Clear();
}
UpdateStatusLabel("Status: Applying data filters.");
// Apply any filters that are selected
FilterTypes tempDataFilters = new FilterTypes();
this.PopulateFilterTypes(ref tempDataFilters);
curPP = DM.ApplyFilters(curPP, tempDataFilters);
UpdateStatusLabel("Status: Complete");
foreach (PricePoint pp in curPP)
{
// Only add points for selected retailers
if (mtgPriceChart.Series.IsUniqueName(pp.Retailer) == false)
{
mtgPriceChart.Series[pp.Retailer].Points.AddXY(pp.Date, (double)pp.Price / 100);
}
}
UpdateCardInfoWindow(curCard, curPP);
}
/* For saving the updated card list for a given set */
public void UpdatePricePoints(List <PricePoint> PPsIn, MTGCard CardIn)
{
int sum = 0;
try
{
SQLiteTransaction trn = MTGDB.BeginTransaction();
foreach (PricePoint pp in PPsIn)
{
using (SQLiteCommand cmd = new SQLiteCommand(MTGDB))
{
cmd.Parameters.Clear();
cmd.CommandText = "INSERT OR REPLACE INTO mtgPP (cardName, setName, price, retailer, priceDate) " +
"VALUES (@CNAME, @SNAME, @PRICE, @RET, @PDATE)";
cmd.Parameters.AddWithValue("@CNAME", CardIn.CardName);
cmd.Parameters.AddWithValue("@SNAME", CardIn.SetName);
cmd.Parameters.AddWithValue("@PRICE", pp.Price);
cmd.Parameters.AddWithValue("@RET", pp.Retailer);
cmd.Parameters.AddWithValue("@PDATE", pp.Date);
sum += cmd.ExecuteNonQuery();
}
}
trn.Commit();
}
catch (Exception err)
{
log.Error("Insert/Update Error: ", err);
}
}
/* Returns a List of the MTGCards from the DB for a given set */
public List <MTGCard> GetCardList(string SetName)
{
List <MTGCard> retCards = new List <MTGCard>();
try
{
using (SQLiteCommand cmd = new SQLiteCommand(MTGDB))
{
cmd.CommandText = "SELECT * FROM mtgCards WHERE setName=@SNAME";
cmd.Parameters.AddWithValue("@SNAME", SetName);
SQLiteDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
UInt64 price = Convert.ToUInt64(rdr["price"]);
MTGCard card = new MTGCard(rdr["cardName"].ToString(), rdr["setName"].ToString(), price);
card.LastPricePointUpdate = (DateTime)rdr["lastUpdate"];
card.URL = rdr["url"].ToString();
card.FoilURL = rdr["foilURL"].ToString();
card.CardImageURL = rdr["imageURL"].ToString();
retCards.Add(card);
}
}
}
catch (Exception err)
{
log.Warn("GetCardList() for set " + SetName + " Err:", err);
}
return(retCards);
}
/* Price Point fetching/parsing for a particular card/set and list of retailers*/
public List <PricePoint> GetPricePointsForCard(MTGCard CardIn, List <string> RetailerList)
{
if (CardIn == null)
{
log.Error("UpdatePricePoints supplied null MTGCard");
return(null);
}
CurrentCard = CardIn;
// Need to Update PricePoints
if (CardIn.LastPricePointUpdate.CompareTo(DateTime.Today) < 0)
{
List <PricePoint> parsePP = new List <PricePoint>();
URLFetcher Fetcher = new URLFetcher(startURL + CardIn.URL);
string ret = Fetcher.Fetch();
parsePP = _MTGPriceParser.ParsePricePoints(ret, CardIn);
CardIn.LastPricePointUpdate = DateTime.Today;
_SQLWrapper.UpdatePricePoints(parsePP, CardIn);
_SQLWrapper.UpdateCardLastUpdate(CardIn, CardIn.LastPricePointUpdate);
}
// Select from SQL for given retailers.
List <PricePoint> retPP = _SQLWrapper.GetPricePoints(CardIn, RetailerList);
CurrentPricePoints = retPP;
return(retPP);
}
/* Returns a List of the PricePoints from the DB for a given Card for certain retailers retailers.*/
public List <PricePoint> GetPricePoints(MTGCard CardIn, List <string> RetailerList)
{
if (CardIn == null)
{
log.Error("SQLWrapper::GetPricePoints was given a null CardIn.");
return(null);
}
List <PricePoint> retPP = new List <PricePoint>();
try
{
using (SQLiteCommand cmd = new SQLiteCommand(MTGDB))
{
cmd.CommandText = "SELECT * FROM mtgPP WHERE cardName=@CNAME AND setName=@SNAME";
cmd.Parameters.AddWithValue("@SNAME", CardIn.SetName);
cmd.Parameters.AddWithValue("@CNAME", CardIn.CardName);
// If no retailers it will just select all, otherwise specify retailers.
if (RetailerList.Count > 0)
{
cmd.CommandText += " AND (";
for (int i = 0; i < RetailerList.Count; i++)
{
cmd.CommandText += "retailer = @RNAME" + i.ToString();
if (i < RetailerList.Count() - 1)
{
cmd.CommandText += " OR ";
} // Add OR for all statements except last one.
cmd.Parameters.AddWithValue("@RNAME" + i.ToString(), RetailerList[i]);
}
cmd.CommandText += ")";
}
cmd.CommandText += " ORDER BY priceDate DESC";
SQLiteDataReader rdr = cmd.ExecuteReader();
while (rdr.Read())
{
PricePoint PP = new PricePoint();
PP.Date = (DateTime)rdr["priceDate"];
PP.Price = Convert.ToUInt64(rdr["price"]);
PP.Retailer = rdr["retailer"].ToString();
retPP.Add(PP);
}
}
}
catch (Exception err)
{
log.Warn("GetPricePoints() for card " + CardIn.CardName + " in set " + CardIn.SetName + " Err:", err);
}
return(retPP);
}
/*
* Called to save the URL of the card image.
* Format of:
* <meta property = "og:image" content="http://s.mtgprice.com/sets/Magic_Origins/img/Jace, Vryn's Prodigy.full.jpg" />
*/
private void ParseCardImage(string HTMLIn, MTGCard CardIn)
{
HtmlAgilityPack.HtmlDocument htmlDoc = new HtmlAgilityPack.HtmlDocument();
htmlDoc.LoadHtml(HTMLIn.ToString());
HtmlAgilityPack.HtmlNode imageNode = htmlDoc.DocumentNode.SelectSingleNode("//meta[@property = 'og:image']");
foreach (HtmlAgilityPack.HtmlAttribute att in imageNode.Attributes)
{
if (att.Name == "content")
{
CardIn.CardImageURL = att.Value;
}
}
}
public DataManager()
{
_SQLWrapper = new SQLWrapper();
_MTGPriceParser = new MTGPriceParser();
_FormatParser = new FormatParser();
_DataFilter = new DataFilter();
_ApplicationState = new MTGUtils.AppState();
log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
Sets = _SQLWrapper.GetSetList();
CurrentCard = null;
CurrentPricePoints = null;
CurrentFormat = null;
}
private void UpdateCardInfoWindow(MTGCard CardIn, List <PricePoint> PPsIn)
{
UInt64 min = 0, max = 0;
DF.GetMinMax(PPsIn, ref min, ref max);
lblCurrentPrice.Text = DF.GetPriceFromUInt64(CardIn.Price);
lblLowPrice.Text = DF.GetPriceFromUInt64(min);
lblHighPrice.Text = DF.GetPriceFromUInt64(max);
UInt64 Avg = 0, Avg3Day = 0, Avg7Day = 0, Avg30Day = 0;
DF.CalculateAverages(PPsIn, ref Avg, ref Avg3Day, ref Avg7Day, ref Avg30Day);
lblAveragePrice.Text = DF.GetPriceFromUInt64(Avg);
lbl3DayAveragePrice.Text = DF.GetPriceFromUInt64(Avg3Day);
lbl7DayAveragePrice.Text = DF.GetPriceFromUInt64(Avg7Day);
lbl30DayAveragePrice.Text = DF.GetPriceFromUInt64(Avg30Day);
}
public void UpdateCardLastUpdate(MTGCard CardIn, DateTime LastPPUpdate)
{
try
{
SQLiteTransaction trn = MTGDB.BeginTransaction();
using (SQLiteCommand cmd = new SQLiteCommand(MTGDB))
{
cmd.CommandText = "UPDATE mtgCards SET lastUpdate=@DATE, imageURL=@IURL WHERE setname=@SNAME AND cardname=@CNAME";
cmd.Parameters.AddWithValue("@SNAME", CardIn.SetName);
cmd.Parameters.AddWithValue("@CNAME", CardIn.CardName);
cmd.Parameters.AddWithValue("@DATE", LastPPUpdate);
cmd.Parameters.AddWithValue("@IURL", CardIn.CardImageURL);
cmd.ExecuteNonQuery();
}
trn.Commit();
}
catch (Exception err)
{
log.Error("UpdateCardLastUpdate error: ", err);
}
}
/* Information stored in <script> and specific line has "$scope.setList" */
public List <MTGCard> ParseCardURLs(string HTMLIn, string SetName)
{
List <MTGCard> retCards = new List <MTGCard>();
HtmlAgilityPack.HtmlDocument htmlDoc = new HtmlAgilityPack.HtmlDocument();
htmlDoc.LoadHtml(HTMLIn.ToString());
string result = htmlDoc.DocumentNode.OuterHtml;
/* As they use a script to display card names/urls/etc no easy way to get the specified line. So big giant string with entire HTML doc inside. */
int listLocation = result.IndexOf("$scope.setList");
int startOfList = result.IndexOf("[{", listLocation);
int endOfList = result.IndexOf("}];", startOfList);
// Off by 2 to remove the '[{'
string listOfCards = result.Substring(startOfList + 2, (endOfList - startOfList - 2));
/* Now we have listOfCards which is of the format:
*
* {"cardId":"AEtherlingDragons_MazefalseNM-M","name":"AEtherling","quantity":0,"countForTrade":0,"isFoil":false,"url":"/sets/Dragons_Maze/AEtherling",
* "setUrl":"/spoiler_lists/Dragons_Maze","fair_price":0.39,"setName":"Dragons Maze","absoluteChangeSinceYesterday":0.0,"absoluteChangeSinceOneWeekAgo":0.0,
* "percentageChangeSinceYesterday":0.0,"percentageChangeSinceOneWeekAgo":0.0,"color":"U","rarity":"R","manna":"4UU","bestVendorBuylist":"UNDEFINED",
* "bestVendorBuylistPrice":"0","lowestPrice":"0.33","lowestPriceVendor":"HotSauce Games",
* "fullImageUrl":"http://s.mtgprice.com/sets/Dragons_Maze/img/AEtherling.full.jpg"},{},{}
*/
string[] stringSeperator = new string[] { "},{" };
listOfCards = listOfCards.Replace("\\u0027", "'");
string[] cardStrings = listOfCards.Split(stringSeperator, StringSplitOptions.None);
// Now we have each card {INFO} in a string
foreach (string cardString in cardStrings)
{
// Now to break it up into "Tag":"Value" pairs. The value can be numerical as well.
string[] infoStringSeperator = new string[] { "\",\"", ",\"" };
string[] infoStrings = cardString.Split(infoStringSeperator, StringSplitOptions.None);
string cardName = null, setURL = null, price = null;
foreach (string infoString in infoStrings)
{
// Now in the format of "TAG":"VALUE"
string[] cleanStringSeperator = new string[] { "\":" };
string[] tagStrings = infoString.Split(cleanStringSeperator, StringSplitOptions.None);
if (tagStrings.Count() != 2)
{
continue;
}
if (tagStrings[0] == "name")
{
cardName = tagStrings[1].Trim('"');
}
else if (tagStrings[0] == "url")
{
setURL = tagStrings[1].Trim('"');
}
else if (tagStrings[0] == "fair_price")
{
price = tagStrings[1].Trim('"');
if (price.Contains('.'))
{
if (price.Length - price.LastIndexOf('.') == 2) // Adjust "1.X" to "1.X0"
{
price += "0";
}
else if (price.Length - price.LastIndexOf('.') > 3) // Adjust "1.XXxxxxxx" to "1.XX"
{
price = price.Substring(0, price.LastIndexOf('.') + 3);
}
price = price.Replace(".", string.Empty);
}
else
{
price = price + "00"; // Adjust "X" to "X00"
}
}
}
MTGCard tempCard = new MTGCard(cardName, SetName, Convert.ToUInt64(price));
tempCard.URL = setURL;
retCards.Add(tempCard);
}
return(retCards);
}
/*
* JavaScript is used to populate the tbody, and the formatting on the data is odd,
* so pretty much just have to search for data and parse manually.
* Ignore all zero priced data as it's useless.
*/
public List <PricePoint> ParsePricePoints(string HTMLIn, MTGCard CardIn)
{
List <PricePoint> retPP = new List <PricePoint>();
// Double check formatting
if (HTMLIn.Contains("var results = [") == false || HTMLIn.Contains("var sellPriceData = [") == false)
{
log.Error("MTGPrice.com PricePoints formatting has been changed. Need to update the application.");
return(null);
}
if (CardIn.CardImageURL == null || CardIn.CardImageURL == "")
{
ParseCardImage(HTMLIn, CardIn);
}
int start = HTMLIn.IndexOf("var results = [");
int end = HTMLIn.IndexOf("var sellPriceData = [");
if (start == -1 || end == -1)
{
log.Error("MTGPrice.com PricePoints formatting has been changed. Need to update the application. (start = " + start + " end = " + end + ")");
return(null);
}
/*
* Formatting Example:
* {
* "color": "rgb(140,172,198)",
* "label": "HotSauce Games - $19.99",
* "lines": { "show": true, "fill": true },
* "data": [[1379804931252,29.99],[1379964574414,29.99]]
* },
*
* The above group repeats per Retailer
*/
string relevantData = HTMLIn.Substring(start, (end - start));
// Keep going until a '"label":' is not found.
string labelString = "\"label\": ";
string dataString = "\"data\": ";
while (true)
{
int labelIndex = relevantData.IndexOf(labelString);
if (labelIndex < 0)
{
// No more retailers, done!
break;
}
int commaIndex = relevantData.IndexOf(',', labelIndex);
string retailerName = relevantData.Substring((labelIndex + labelString.Length), commaIndex - labelIndex - labelString.Length);
// Format is now '"<NAME>" - $<PRICE>', remove quotes, and everything after name.
retailerName = retailerName.Substring(1, retailerName.IndexOf(" -") - 1);
int dataIndex = relevantData.IndexOf(dataString);
// Start at Index 1, as the 2nd-Xth strings will be "}DATA"
int endIndex = relevantData.IndexOf('}', dataIndex);
// Put just the price points into [DATE,PRICE],[DATE,PRICE] format and
// Trim the first/last '[' and ']'
string pureData = relevantData.Substring(dataIndex + dataString.Length, endIndex - dataIndex - dataString.Length);
pureData = pureData.Replace(" ", string.Empty);
pureData = pureData.Replace("\r", string.Empty);
pureData = pureData.Replace("\n", string.Empty);
if (pureData != null && pureData != "[]" && retailerName != "Best BUYLIST Price")
{
// Split based on delimiter "],[" and use "[[" and "]]" to remove first/last double brackets and then remove emptry entries
// The "[]" case takes care of empty brackets
string[] delim = new string[] { "],[", "[[", "]]", "[]" };
string[] splitData = pureData.Split(delim, StringSplitOptions.RemoveEmptyEntries);
// Data is now formatted as '[DATE,PRICE]'
foreach (string point in splitData)
{
string[] splitPoint = point.Split(',');
string stringPrice = splitPoint[1];
if (stringPrice == "0.0" || stringPrice == "0") // Ignore zero prices.
{
continue;
}
if (stringPrice.Contains('.'))
{
if (stringPrice.Length - stringPrice.LastIndexOf('.') == 2) // Adjust "1.X" to "1.X0"
{
stringPrice += "0";
}
else if (stringPrice.Length - stringPrice.LastIndexOf('.') > 3) // Adjust "1.XXxxxxxx" to "1.XX"
{
stringPrice = stringPrice.Substring(0, stringPrice.LastIndexOf('.') + 3);
}
stringPrice = stringPrice.Replace(".", string.Empty);
}
else
{
stringPrice = stringPrice + "00"; // Adjust "X" to "X00"
}
UInt64 Price = Convert.ToUInt64(stringPrice);
if (Price == 0)
{
log.Error(Price + " from '" + stringPrice + "'");
}
PricePoint tempPP = new PricePoint();
tempPP.Retailer = retailerName;
// Convert from Milliseconds since Unix Epoch to DateTime
tempPP.Date = new DateTime(1970, 1, 1, 0, 0, 0, 0);
tempPP.Date = tempPP.Date.AddSeconds(Convert.ToDouble(splitPoint[0]) / 1000).ToLocalTime();
tempPP.Price = Price;
retPP.Add(tempPP);
}
}
relevantData = relevantData.Substring(endIndex);
}
return(retPP);
}
/* Fetch PricePoints if needed, update chart variables */
private void ApplyPricePointsToChart()
{
if (mtgCardsGraphListBox.SelectedItem == null)
{
return;
}
MTGCard curCard = (MTGCard)mtgCardsGraphListBox.SelectedItem;
if (curCard == null)
{
return;
}
// Populate the List of Currently selected retailers.
List <string> RetailerList = new List <string>();
foreach (string retailer in mtgPriceSourceCheckListBox.CheckedItems)
{
RetailerList.Add(retailer);
}
// Update the Title
mtgPriceChart.Titles.Clear();
Title title = mtgPriceChart.Titles.Add(curCard.ToString());
title.Font = new Font("Arial", 32);
// Fetch the Price Points if required
UpdateStatusLabel("Status: Fetching info for " + curCard.ToString());
List <PricePoint> PricePoints = DM.GetPricePointsForCard(curCard, RetailerList);
UpdateStatusLabel("Status: Complete");
if (PricePoints != null)
{
UpdateGraphWithPricePoints();
}
else
{
UpdateStatusLabel("Status: Error retrieving price points for card " + curCard.ToString());
}
try
{
pictureBoxCard.Load(curCard.CardImageURL);
}
catch (System.Net.WebException ex)
{
if (ex.Response is System.Net.HttpWebResponse)
{
System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)ex.Response;
log.Error("Failed to load image " + curCard.CardImageURL + " with status code " + response.StatusCode + " (" + response.StatusDescription + ")");
}
pictureBoxCard.Image = global::MTGUtils.Properties.Resources.MTG_Card_Back;
}
/* TODO: Add a toggle for this as it can be cluttered with older sets.
* // Add the set release date markets to the chart
* mtgPriceChart.ChartAreas["StripLines"].AxisX.StripLines.Clear();
* foreach(MTGSet set in DM.GetSets())
* {
* if(set.SetDate.CompareTo(PricePoints.First().Date) < 0 && set.SetDate.CompareTo(PricePoints.Last().Date) > 0)
* {
* StripLine stripLine = new StripLine();
* // stripLine.Text = set.SetName;
* stripLine.BackColor = Color.Magenta;
* stripLine.StripWidth = 0.1;
* stripLine.StripWidthType = DateTimeIntervalType.Days;
*
* TimeSpan ts = set.SetDate - PricePoints.Last().Date;
*
* stripLine.Interval = 100000; // Tried setting to 0 to be shown once, but then I see nothing.
* stripLine.IntervalOffset = ts.Days;
* stripLine.IntervalOffsetType = DateTimeIntervalType.Days;
*
* mtgPriceChart.ChartAreas["StripLines"].AxisX.StripLines.Add(stripLine);
* }
* }
*/
}
