public SudoExercise[] SelectExercises(SudoDifficulty difficulty)
{
List <SudoExercise> exerciseList = new List <SudoExercise>();
XmlElement dataelement = this.GetDifficultyElement(difficulty);
foreach (XmlNode node in dataelement.ChildNodes)
{
if (node.NodeType != XmlNodeType.Element)
{
break;
}
XmlElement ele = (XmlElement)node;
exerciseList.Add(SudoExercise.Parse(ele));
}
return(exerciseList.ToArray());
}
internal static SudoExercise Parse(XmlElement element)
{
SudoExercise exercise = new SudoExercise();
exercise.ID = XmlHelper.GetElementByName(element, "ID").InnerText;
exercise.CreaterEmail = XmlHelper.GetElementByName(element, "CreaterEmail").InnerText;
exercise.PlayerEmail = XmlHelper.GetElementByName(element, "PlayerEmail").InnerText;
exercise.SingleExercise = XmlHelper.GetElementByName(element, "Exercise").InnerText;
exercise.Solution = XmlHelper.GetElementByName(element, "Solution").InnerText;
string durationString = XmlHelper.GetElementByName(element, "SolveDuration").InnerText;
if (string.IsNullOrEmpty(durationString) || durationString == "0")
{
exercise.SolveDuration = DateTime.Parse(durationString);
}
exercise.SolveTime = int.Parse(XmlHelper.GetElementByName(element, "SolveTime").InnerText);
return(exercise);
}
public void CreatDoExerciseElement(SudoDifficulty difficulty, SudoExercise exercise)
{
XmlDocument rootDoc = (XmlDocument)(this.BaseXmlNode);
XmlElement dataElement = rootDoc.CreateElement("data");
XmlElement dataChildElement;
dataChildElement = rootDoc.CreateElement("ID");
dataChildElement.InnerText = exercise.ID;
dataElement.AppendChild(dataChildElement);
dataChildElement = rootDoc.CreateElement("Exercise");
dataChildElement.InnerText = exercise.SingleExercise;
dataElement.AppendChild(dataChildElement);
dataChildElement = rootDoc.CreateElement("Solution");
dataChildElement.InnerText = exercise.Solution;
dataElement.AppendChild(dataChildElement);
dataChildElement = rootDoc.CreateElement("CreaterEmail");
dataChildElement.InnerText = exercise.CreaterEmail;
dataElement.AppendChild(dataChildElement);
dataChildElement = rootDoc.CreateElement("PlayerEmail");
dataChildElement.InnerText = exercise.PlayerEmail;
dataElement.AppendChild(dataChildElement);
dataChildElement = rootDoc.CreateElement("SolveDuration");
dataChildElement.InnerText = exercise.SolveDuration.ToShortTimeString();
dataElement.AppendChild(dataChildElement);
dataChildElement = rootDoc.CreateElement("SolveTime");
dataChildElement.InnerText = exercise.SolveTime.ToString();
dataElement.AppendChild(dataChildElement);
this.GetDifficultyElement(difficulty).AppendChild(dataElement);
}
