/// <summary>
/// Converts a LoTR URL from cardgamedb.com into a ConverterDeck which is populated with all cards and deck name.
/// </summary>
/// <param name="url">The URL of the Deck</param>
/// <param name="deckSectionNames">List of the name of each section for the deck being converted.</param>
/// <param name="convertGenericFileFunc">
/// Function to convert a collection of lines from a deck file into a ConverterDeck.
/// Used when downloading a Deck File from a webpage instead of scraping.
/// </param>
/// <returns>A ConverterDeck which is populated with all cards and deck name</returns>
public override ConverterDeck Convert(
string url,
IEnumerable <string> deckSectionNames,
Func <IEnumerable <string>, IEnumerable <string>, ConverterDeck> convertGenericFileFunc)
{
object htmlWebInstance = HtmlAgilityPackWrapper.HtmlWeb_CreateInstance();
object htmlDocumentInstance = HtmlAgilityPackWrapper.HtmlWeb_InvokeMethod_Load(htmlWebInstance, url);
object htmlDocument_DocumentNode = HtmlAgilityPackWrapper.HtmlDocument_GetProperty_DocumentNode(htmlDocumentInstance);
// Find the block of javascript that contains the variable 'viewType'
object rawDeckJavascriptNode = HtmlAgilityPackWrapper.HtmlNode_InvokeMethod_SelectSingleNode(htmlDocument_DocumentNode, "//script[contains(text(), 'var viewType =')]");
string rawDeckJavascriptText = HtmlAgilityPackWrapper.HtmlNode_GetProperty_InnerText(rawDeckJavascriptNode);
string[] rawDeckJavascriptLines = rawDeckJavascriptText.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
dynamic rawDeckJSON = null;
string viewTypeLine = rawDeckJavascriptLines.FirstOrDefault(l => l.Contains("var viewType ="));
if (viewTypeLine == null)
{
throw new InvalidOperationException("Could not find the javascript variable 'viewType'");
}
else if (viewTypeLine.Contains("submitted"))
{
// Since viewType is 'submitted', the deck is published. In this case, the JSON data the deck is embedded on this page in the javascript variable 'rawdeck'
string rawDeckLine = rawDeckJavascriptLines.First(l => l.Contains("var rawdeck ="));
// Trim everything except the JSON
int openingCurlyBraceIndex = rawDeckLine.IndexOf('{');
int closingCurlyBraceIndex = rawDeckLine.LastIndexOf('}');
string rawDeckJSONString = rawDeckLine.Substring(openingCurlyBraceIndex, closingCurlyBraceIndex - openingCurlyBraceIndex + 1);
rawDeckJSON = JsonConvert.DeserializeObject(rawDeckJSONString);
}
else if (viewTypeLine.Contains("share"))
{
// Since viewType is 'share', the deck is personal. In this case, the JSON is not embedded on this page and must be fetched via a form POST
Dictionary <string, string> urlParams = WebpageConverter.GetParams(url);
// Find the block of javascript that contains the 'ipb.vars' dictionary variable
object rawIPBVarsJavascriptNode = HtmlAgilityPackWrapper.HtmlNode_InvokeMethod_SelectSingleNode(htmlDocument_DocumentNode, "//script[contains(text(), 'ipb.vars[')]");
string rawIPBVarsJavascriptText = HtmlAgilityPackWrapper.HtmlNode_GetProperty_InnerText(rawIPBVarsJavascriptNode);
string[] rawIPBVarsJavascriptLines = rawIPBVarsJavascriptText.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
// Extract the 'secure_hash' value from IPBVar
string secureHashLine = rawIPBVarsJavascriptLines.First(l => l.Contains(@"ipb.vars['secure_hash']"));
string secure_hash = secureHashLine.Substring(0, secureHashLine.LastIndexOf('\''));
secure_hash = secure_hash.Substring(secure_hash.LastIndexOf('\'') + 1);
// Extract the 'secure_hash' value from IPBVar
string baseURLLine = rawIPBVarsJavascriptLines.First(l => l.Contains(@"ipb.vars['base_url']"));
string base_url = baseURLLine.Substring(0, baseURLLine.LastIndexOf('\''));
base_url = base_url.Substring(base_url.LastIndexOf('\'') + 1);
// These variables are all submitted with the form. They are added via javascript in lotrdecksection.js
System.Collections.Specialized.NameValueCollection outgoingQueryString = System.Web.HttpUtility.ParseQueryString(String.Empty);
outgoingQueryString.Add("dguid", urlParams["deck"]);
outgoingQueryString.Add("fPage", "deckshare");
outgoingQueryString.Add("fgame", "lordoftherings");
outgoingQueryString.Add("md5check", secure_hash);
outgoingQueryString.Add("pid", urlParams["p"]);
string postData = outgoingQueryString.ToString();
ASCIIEncoding ascii = new ASCIIEncoding();
byte[] postBytes = ascii.GetBytes(postData.ToString());
string requestString = base_url + "app=ccs&module=ajax§ion=lotrdeckbuilder&do=share";
System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(requestString);
request.Method = "POST";
request.Accept = "application/json";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postBytes.Length;
request.Host = "www.cardgamedb.com";
request.Referer = url;
request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0";
// add post data to request
System.IO.Stream postStream = request.GetRequestStream();
postStream.Write(postBytes, 0, postBytes.Length);
postStream.Flush();
postStream.Close();
System.Net.WebResponse response = request.GetResponse();
System.IO.Stream dataStream = response.GetResponseStream();
System.IO.StreamReader reader = new System.IO.StreamReader(dataStream);
string responseFromServer = System.Web.HttpUtility.HtmlDecode(reader.ReadToEnd());
reader.Close();
response.Close();
rawDeckJSON = JsonConvert.DeserializeObject(responseFromServer);
// When JSON is retrieved this way, the deck contents is stored in a sub-variable
rawDeckJSON = rawDeckJSON.deckContents;
}
else
{
throw new InvalidOperationException("The javascript variable 'viewType' was not an expected value (" + viewTypeLine + ")");
}
ConverterDeck converterDeck = new ConverterDeck(deckSectionNames);
foreach (dynamic card in rawDeckJSON.hero)
{
ConverterSection converterSection = converterDeck.ConverterSections.First(cs => cs.SectionName.Equals("hero", StringComparison.InvariantCultureIgnoreCase));
ConverterMapping converterMapping = new ConverterMapping(
(string)card.name,
(string)card.setname,
int.Parse((string)card.quantity));
converterSection.AddConverterMapping(converterMapping);
}
foreach (dynamic card in rawDeckJSON.cards)
{
ConverterSection converterSection = converterDeck.ConverterSections.First(cs => cs.SectionName.Equals((string)card.type, StringComparison.InvariantCultureIgnoreCase));
ConverterMapping converterMapping = new ConverterMapping(
(string)card.name,
(string)card.setname,
int.Parse((string)card.quantity));
converterSection.AddConverterMapping(converterMapping);
}
return(converterDeck);
}
/// <summary>
/// Converts a MW URL from arcanewonders.com into a ConverterDeck which is populated with all cards and deck name.
/// </summary>
/// <param name="url">The URL of the Deck</param>
/// <param name="deckSectionNames">List of the name of each section for the deck being converted.</param>
/// <param name="convertGenericFileFunc">
/// Function to convert a collection of lines from a deck file into a ConverterDeck.
/// Used when downloading a Deck File from a webpage instead of scraping.
/// </param>
/// <returns>A ConverterDeck which is populated with all cards and deck name</returns>
public override ConverterDeck Convert(
string url,
IEnumerable <string> deckSectionNames,
Func <IEnumerable <string>, IEnumerable <string>, ConverterDeck> convertGenericFileFunc)
{
object htmlWebInstance = HtmlAgilityPackWrapper.HtmlWeb_CreateInstance();
object htmlDocumentInstance = HtmlAgilityPackWrapper.HtmlWeb_InvokeMethod_Load(htmlWebInstance, url);
object htmlDocument_DocumentNode = HtmlAgilityPackWrapper.HtmlDocument_GetProperty_DocumentNode(htmlDocumentInstance);
ConverterDeck converterDeck = new ConverterDeck(deckSectionNames);
// Find the div with id 'spellbook' because all deck data is contained inside it
object spellbookDiv = HtmlAgilityPackWrapper.HtmlNode_InvokeMethod_SelectSingleNode(htmlDocument_DocumentNode, "//div[@id='spellbook']");
if (spellbookDiv == null)
{
throw new InvalidOperationException("Could not find the html div 'spellbook', are you sure this webpage has a deck?");
}
// Insert the Deck Name if available
object spellbooknameSpan = HtmlAgilityPackWrapper.HtmlNode_InvokeMethod_SelectSingleNode(spellbookDiv, "//span[@id='spellbookname']");
if (spellbooknameSpan != null)
{
converterDeck.DeckName = HtmlAgilityPackWrapper.HtmlNode_GetProperty_InnerText(spellbooknameSpan);
}
// Convert the Mage card
object firstMageSpan = HtmlAgilityPackWrapper.HtmlNode_InvokeMethod_SelectNodes(spellbookDiv, "//span[@id='mage']").FirstOrDefault();
if (firstMageSpan != null)
{
ConverterSection mageSection = converterDeck.ConverterSections.First(cs => cs.SectionName.Equals("Mage", StringComparison.InvariantCultureIgnoreCase));
mageSection.AddConverterMapping(new ConverterMapping(
HtmlAgilityPackWrapper.HtmlNode_GetProperty_InnerText(firstMageSpan),
string.Empty,
1));
}
// The div 'spells' contains all the cards, grouped by spell class
object spellsDiv = HtmlAgilityPackWrapper.HtmlNode_InvokeMethod_SelectSingleNode(spellbookDiv, "//div[@id='spells']");
// Get a collection of all the span nodes inside the 'spells' div
IEnumerable <object> cardAndSectionSpans = HtmlAgilityPackWrapper.HtmlNode_InvokeMethod_SelectNodes(spellsDiv, "span");
ConverterSection currentConverterSection = null;
foreach (object cardOrSectionSpan in cardAndSectionSpans)
{
// get the class name of the span
IEnumerable <object> attributes = HtmlAgilityPackWrapper.HtmlNode_GetProperty_Attributes(cardOrSectionSpan);
string className = string.Empty;
foreach (object attribute in attributes)
{
if (HtmlAgilityPackWrapper.HtmlAttribute_GetProperty_Name(attribute).Equals("class", StringComparison.InvariantCultureIgnoreCase))
{
className = HtmlAgilityPackWrapper.HtmlAttribute_GetProperty_Value(attribute);
break;
}
}
// If the class name of the span is 'spellClass', then it denotes a Deck Section. Find the corresponding ConverterSection
if (className.Equals("spellClass", StringComparison.InvariantCultureIgnoreCase))
{
string currentSpellClass = HtmlAgilityPackWrapper.HtmlNode_GetProperty_InnerText(cardOrSectionSpan);
currentConverterSection = converterDeck.ConverterSections.First(cs => cs.SectionName.Equals(currentSpellClass, StringComparison.InvariantCultureIgnoreCase));
}
else
{
// This span contains a card and quantity, so parse it
string quantityAndCardString = HtmlAgilityPackWrapper.HtmlNode_GetProperty_InnerText(cardOrSectionSpan);
ConverterMapping converterMapping = TextConverter.RegexMatch_RegularCard(quantityAndCardString);
currentConverterSection.AddConverterMapping(converterMapping);
}
}
return(converterDeck);
}