/// <summary>
/// Populates a rule condition
/// </summary>
/// <param name="ConditionNode"></param>
/// <returns></returns>
private RuleCondition PopulateCondition(XmlNode ConditionNode)
{
RuleCondition condition = new RuleCondition();
System.Xml.XPath.XPathNavigator nav = ConditionNode.CreateNavigator();
condition.Expression = nav.SelectSingleNode(TranslateExpressionCache.GetXpathExpression("Expression")).InnerXml;
condition.ID = ConditionNode.Attributes["id"] == null ? "" : ConditionNode.Attributes["id"].Value.ToString();
condition.Name = ConditionNode.Attributes["name"] == null ? "" : ConditionNode.Attributes["name"].Value.ToString();
condition.Destination = nav.SelectSingleNode(TranslateExpressionCache.GetXpathExpression("Destination")).InnerXml;
XmlNode DestinationNode = ConditionNode.SelectSingleNode("Destination");
if (DestinationNode.Attributes != null && DestinationNode.Attributes["format"] != null)
{
condition.format = DestinationNode.Attributes["format"].Value;
condition.type = Type.GetType(String.Format(DestinationNode.Attributes["type"].Value), true, true);
}
//Populate attributes for true values
XmlNode ConditionTrueNode = ConditionNode.SelectSingleNode("True");
if (ConditionTrueNode != null)
{
condition.TrueValue.Value = ConditionTrueNode.InnerXml;
condition.TrueValue.ExpressionSource = ConditionTrueNode.Attributes["ExpressionSource"] == null ? "" : ConditionTrueNode.Attributes["ExpressionSource"].Value;
condition.TrueValue.isExpression = ConditionTrueNode.Attributes["isExpression"] == null ? false : Convert.ToBoolean(ConditionTrueNode.Attributes["isExpression"].Value);
condition.TrueValue.UseDefault = ConditionTrueNode.Attributes["UseDefault"] == null ? false : Convert.ToBoolean(ConditionTrueNode.Attributes["UseDefault"].Value);
condition.TrueValue.ContunueProcessing = ConditionTrueNode.Attributes["ContinueProcessing"] == null ? true : Convert.ToBoolean(ConditionTrueNode.Attributes["ContinueProcessing"].Value);
condition.TrueValue.Actionid = ConditionTrueNode.Attributes["Actionid"] == null ? "" : ConditionTrueNode.Attributes["Actionid"].Value;
condition.TrueValue.ContinueTransaction = ConditionTrueNode.Attributes["ContinueTransaction"] == null ? true : Convert.ToBoolean(ConditionTrueNode.Attributes["ContinueTransaction"].Value);
}
//populate attributes for false values
XmlNode ConditionFalseNode = ConditionNode.SelectSingleNode("False");
if (ConditionFalseNode != null)
{
condition.FalseValue.Value = ConditionFalseNode.InnerXml;
condition.FalseValue.ExpressionSource = ConditionFalseNode.Attributes["ExpressionSource"] == null ? "" : ConditionFalseNode.Attributes["ExpressionSource"].Value;
condition.FalseValue.isExpression = ConditionFalseNode.Attributes["isExpression"] == null ? false : Convert.ToBoolean(ConditionFalseNode.Attributes["isExpression"].Value);
condition.FalseValue.UseDefault = ConditionFalseNode.Attributes["UseDefault"] == null ? false : Convert.ToBoolean(ConditionFalseNode.Attributes["UseDefault"].Value);;
condition.FalseValue.ContunueProcessing = ConditionFalseNode.Attributes["ContinueProcessing"] == null ? true : Convert.ToBoolean(ConditionFalseNode.Attributes["ContinueProcessing"].Value);
condition.FalseValue.Actionid = ConditionFalseNode.Attributes["Actionid"] == null ? "" : ConditionFalseNode.Attributes["Actionid"].Value;
condition.FalseValue.ContinueTransaction = ConditionFalseNode.Attributes["ContinueTransaction"] == null ? true : Convert.ToBoolean(ConditionFalseNode.Attributes["ContinueTransaction"].Value);
}
if (condition.TrueValue != null && condition.FalseValue != null)
{
return(condition);
}
else
{
return(null);
}
}
private void ExecuteConditions(RuleCondition condition, XmlDocument NewDocTemplate, XPathNavigator nav, List <string> ActionsToExecute, ref bool ContinueProcessing)
{
bool Continue = true;
ExecuteConditions(condition, NewDocTemplate, nav, ActionsToExecute, ref ContinueProcessing, ref Continue);
}
/// <summary>
/// Loads a translate rule
/// </summary>
public void LoadRule()
{
XmlNode RuleNode = _RulesDoc.SelectSingleNode(String.Format("RuleEngine/Rules/Rule[@id='{0}']", _RuleID));
_RuleDescription = RuleNode.Attributes["desc"].Value;
_DestinationSavePath = RuleNode.Attributes["DestinationSavePath"].Value;
_ProcessAsGroup = Convert.ToBoolean(RuleNode.Attributes["ProcessAsGroup"].Value);
_MapExact = Convert.ToBoolean(RuleNode.Attributes["ExactMapping"] == null ? "false" : RuleNode.Attributes["ExactMapping"].Value);
XmlNodeList MappingList = RuleNode.SelectNodes("Mappings/*");
//add all mapings
for (int x = 0, count = MappingList.Count; x < count; x++)
{
RuleMapping map = new RuleMapping();
map.SourcePath = MappingList[x].SelectSingleNode("Source").InnerXml;
map.DestinationPath = MappingList[x].SelectSingleNode("Destination").InnerXml;
if (MappingList[x].Attributes != null && MappingList[x].Attributes["format"] != null)
{
map.Format = MappingList[x].Attributes["format"].Value;
map.FormatType = Type.GetType(String.Format(MappingList[x].Attributes["type"].Value), true, true);
}
_RuleMappings.Add(map);
}
//Add all conditions now
XmlNodeList ConditionList = RuleNode.SelectNodes("Conditions/*");
for (int x = 0, count = ConditionList.Count; x < count; x++)
{
RuleCondition condition = PopulateCondition(ConditionList[x]);
if (condition != null)
{
_RuleConditions.Add(condition);
}
}
//Load All Actions
XmlNodeList ActionList = RuleNode.SelectNodes("Actions/Action/*");
for (int x = 0, count = ActionList.Count; x < count; x++)
{
RuleAction action = new RuleAction();
XmlNode CurrentNode = ActionList[x];
if (CurrentNode.Name == "CreateLineItem")
{
action.ID = CurrentNode.SelectSingleNode("@id").Value;
action.ItemToCreate = CurrentNode.SelectSingleNode("@ItemToCreate").Value;
if (CurrentNode.HasChildNodes)
{
foreach (XmlNode node in ActionList[x].ChildNodes)
{
if (node.Name == "Attribute")
{
RuleAttribute att = new RuleAttribute();
//att.ID = node.SelectSingleNode("@id").Value;
att.ID = node.Attributes["id"].Value;
att.Value = node.InnerXml;
att.UseBuiltInIdentity = node.Attributes["useIdentity"] != null?Convert.ToBoolean(node.Attributes["useIdentity"].Value) : false;
att.IsExpression = node.Attributes["isExpression"] != null?Convert.ToBoolean(node.Attributes["isExpression"].Value) : false;
att.ExpressionSrouce = node.Attributes["ExpressionSource"] != null ? node.Attributes["ExpressionSource"].Value : "";
if (node.Attributes != null && node.Attributes["format"] != null)
{
att.format = node.Attributes["format"].Value;
att.formatType = Type.GetType(String.Format(node.Attributes["type"].Value), true, true);
}
action.Attributes.Add(att);
}
if (node.Name == "Conditions")
{
XmlNodeList conditionList = node.SelectNodes("Condition");
foreach (XmlNode cNode in conditionList)
{
RuleCondition AttributeCondition = PopulateCondition(cNode);
if (AttributeCondition != null)
{
action.Conditions.Add(AttributeCondition);
}
}
}
}
}
_RuleActions.Add(action);
}
}
}
/// <summary>
/// Condition Executeion isolated here so we can reuse this code for conditions that are acciciated to multiple elements
/// </summary>
/// <param name="condition"></param>
/// <param name="NewDocTemplate"></param>
/// <param name="nav"></param>
/// <param name="ActionsToExecute"></param>
/// <param name="ContinueProcessing"></param>
/// <param name="ImportNode"></param>
private void ExecuteConditions(RuleCondition condition, XmlDocument NewDocTemplate, XPathNavigator nav, List <string> ActionsToExecute, ref bool ContinueProcessing, ref bool ContinueTransaction)
{
//Temporary addition to allow for special characters in the xml template. this should be cleaned up.
string newCondition = condition.Expression;
//newCondition = newCondition.Replace("&", "&");
//newCondition = newCondition.Replace(">", ">");
//newCondition = newCondition.Replace("<", "<");
bool ExpressionResult;
//Evaluate our expression
//if (newCondition.Contains("number(@taxes) + (sum(./../L36/@rettax) * -1)"))
//Console.WriteLine("");
//if (condition.Contains("string(./../Customer/@Order_Number)"))
//Console.WriteLine("");
//if (Convert.ToBoolean(nav.Evaluate("count(preceding-sibling::L12) > 1")))
//Console.WriteLine();
//ExpressionResult = Convert.ToBoolean(nav.Evaluate(newCondition));
ExpressionResult = Convert.ToBoolean(nav.Evaluate(GetXpathExpression(newCondition)));
RuleValue ResultConditionValue;
if (ExpressionResult)
{
ResultConditionValue = condition.TrueValue;
}
else
{
ResultConditionValue = condition.FalseValue;
}
//if (ResultConditionValue.Value == "number(@taxes) + (sum(./../L36/@rettax) * -1) - sum(./../L38/@tax_amount)")
// Console.WriteLine();
//RuleValue ResultConditionValue = condition.TrueValue;
if (ResultConditionValue != null && ResultConditionValue.Value != null)
{
//condition could be left blank if we only want to execute the action assiciated with the result
if (!String.IsNullOrEmpty(condition.Destination))
{
//check to see if we want to only use the default value instead of the one assigned
if (!ResultConditionValue.UseDefault)
{
//Check if the result is an expression.
if (!ResultConditionValue.isExpression)
{
NewDocTemplate.SelectSingleNode(condition.Destination).Value = FormatValue(condition.format, condition.type, ResultConditionValue.Value);
ContinueProcessing = ResultConditionValue.ContunueProcessing;
ImportNode = true;
}
else
{
if (ResultConditionValue.ExpressionSource == ExpressionSource.SourceFile.ToString())
{
NewDocTemplate.SelectSingleNode(condition.Destination).Value = FormatValue(condition.format, condition.type, nav.Evaluate(GetXpathExpression(ResultConditionValue.Value)).ToString());
ImportNode = true;
}
if (ResultConditionValue.ExpressionSource == ExpressionSource.DestinationFile.ToString())
{
XPathNavigator destinationNav = NewDocTemplate.DocumentElement.CreateNavigator();
NewDocTemplate.SelectSingleNode(condition.Destination).Value = FormatValue(condition.format, condition.type, destinationNav.Evaluate((ResultConditionValue.Value)).ToString());
ImportNode = true;
}
}
}
}
//Check to see if we should continue processing our conditions
ContinueProcessing = ResultConditionValue.ContunueProcessing;
//Check to see if we should continue processing the current transaction.
ContinueTransaction = ResultConditionValue.ContinueTransaction.Value;
//Assign any actions that are needed to be performed for later processing
if (!String.IsNullOrEmpty(ResultConditionValue.Actionid))
{
ActionsToExecute.Add(ResultConditionValue.Actionid);
}
}
}