/// <summary>
/// Converts the node to string expression.
/// </summary>
/// <param name="node">The node.</param>
/// <returns></returns>
protected override string ConvertNodeToStringExpression(FilterExpressionNode node)
{
string retVal = string.Empty;
if (node.NodeType == FilterExpressionNodeType.OrBlock)
{
return(ConvertNodesToStringExpression(node.ChildNodes, "||"));
}
if (node.NodeType == FilterExpressionNodeType.AndBlock)
{
return(ConvertNodesToStringExpression(node.ChildNodes, "&&"));
}
if (node != null && node.Key == FilterExpressionItem.chooseBlock)
{
return(retVal);
}
ElementDefs elementDef = FindElementDef(node.Key);
if (elementDef == null)
{
throw new ArgumentException("element " + node.Key + " not registered");
}
//is Method Block
if (elementDef.Methods != null)
{
//Get selected methods
ElementDefs methodDef = elementDef.GetMethodDef(node.Method.Key);
if (methodDef == null)
{
throw new ArgumentException("method " + node.Method.Key + " not registered");
}
//Get methods conditions
ElementDefs conditionDef = methodDef.GetConditionDefByName(node.Condition.Key);
if (conditionDef == null)
{
throw new ArgumentException("condition " + node.Condition.Key + " not registered");
}
string collectionName = elementDef.Name;
string conditionOp = conditionDef.Name;
MethodElementParams methodParams = node.Method.Params;
string rightStatement = GetEscapedAndCleanedExpressionNodeRightValue(node);
string predicateExpression = "1 == 1";
string leftStatement = null;
if (node.ChildNodes != null && node.ChildNodes.Count != 0)
{
predicateExpression = ConvertNodesToStringExpression(node.ChildNodes);
//Parser bug. Nested double quotes
predicateExpression = predicateExpression.Replace('\"', '\'');
}
if (methodDef == MethodSumDef)
{
FilterExpressionNode filterNode = methodParams[0] as FilterExpressionNode;
ElementDefs methodElementDef = FindElementDef(filterNode.Key);
if (methodElementDef == null)
{
throw new ArgumentException("element method" + filterNode.Key + " not registered");
}
leftStatement = methodElementDef.Name.Replace("this", string.Empty).Trim(new char[] { '[', ']', '\'', '.' });
retVal = String.Format(@"({0}.{1}({2},""{3}"",""{4}"")) {5} {6}", ContextClass, methodDef.Name,
collectionName, leftStatement, predicateExpression, conditionOp, rightStatement);
}
else if (methodDef == MethodCountDef)
{
retVal = String.Format(@"{0}.{1}({2},""{3}"") {4} {5}", ContextClass, methodDef.Name,
collectionName, predicateExpression, conditionOp, rightStatement);
}
else
{
retVal = String.Format(@"{0}.{1}({2},""{3}"")", ContextClass, methodDef.Name,
collectionName, predicateExpression);
}
}
else
{
//call base impl
retVal = base.ConvertNodeToStringExpression(node);
}
return(retVal);
}
/// <summary>
/// Converts the node to string expression.
/// </summary>
/// <param name="node">The node.</param>
/// <returns></returns>
protected override string ConvertNodeToStringExpression(FilterExpressionNode node)
{
string expression = String.Empty;
decimal quantity = 0;
decimal rewardAmount = 0;
var skuList = new string[] { };
MethodElementParams methodParams = null;
//Find registered element definition by key
ElementDefs elementDef = FindElementDef(node.Key);
if (elementDef == null)
{
throw new ArgumentException("element " + node.Key + " not registered");
}
if (elementDef.Methods != null)
{
skuList = node.Value != null ? ((Dictionary <string, string>)node.Value).Keys.ToArray() : skuList;
skuList = EntryId2LineItemCode(skuList).ToArray();
methodParams = node.Method.Params;
}
else
{
rewardAmount = Convert.ToDecimal(node.Value);
}
//Find registered method definition by key
ElementDefs methodDef = null;
if (elementDef.Methods != null)
{
methodDef = elementDef.GetMethodDef(node.Method.Key);
}
string[] namePart = elementDef.Name.Split(':');
string rewardAmountType = PromotionRewardAmountType.Value;
string rewardType = PromotionRewardType.WholeOrder;
if (namePart.Count() == 2)
{
rewardAmountType = namePart[0];
rewardType = namePart[1];
}
//gift
if (methodDef == MethodGiftDefs)
{
if (skuList.Count() != 0)
{
quantity = Convert.ToDecimal(methodParams[0]);
var skuPattern = skuList.Select(x => String.Format("\"{0}\"", x));
expression = String.Format("this.AddFreeGiftToCart(\"{0}\", {1})",
quantity.ToString(CultureInfo.InvariantCulture),
String.Join(",", skuPattern.ToArray()));
}
} //with quantity, amount, sku list
else if (methodDef == MethodEachEntryDefs)
{
quantity = Convert.ToDecimal(methodParams[1]);
rewardAmount = Convert.ToDecimal(methodParams[0]);
if (skuList.Count() != 0)
{
var entryPattern = "this.CreatePromotionEntriesSetFromTarget(\"{0}\", {1})";
expression = String.Format("AddPromotionItemRecord(this.CreatePromotionReward(\"{0}\", \"{1}\", \"{2}\"), {3})",
rewardType, rewardAmount.ToString(CultureInfo.InvariantCulture), rewardAmountType,
String.Join(",", skuList.Select(x => String.Format(entryPattern, x, quantity)).ToArray()));
}
} //with amount, sku list
else if (methodDef == MethodAllEntryDefs || methodDef == MethodAllEntryPercentDefs)
{
rewardAmount = Convert.ToDecimal(methodParams[0]);
if (skuList.Count() != 0)
{
var entryPattern = "this.CreatePromotionEntriesSetFromTarget(\"{0}\")";
expression = String.Format("AddPromotionItemRecord(this.CreatePromotionReward(\"{0}\", \"{1}\", \"{2}\"), {3})",
rewardType, rewardAmount.ToString(CultureInfo.InvariantCulture), rewardAmountType,
String.Join(",", skuList.Select(x => String.Format(entryPattern, x)).ToArray()));
}
} // only amount
else
{
var pattern = "this.AddPromotionItemRecord(this.CreatePromotionReward(\"{0}\", \"{1}\", \"{2}\")," +
"this.PromotionContext.TargetEntriesSet)";
expression = String.Format(pattern, rewardType, rewardAmount.ToString(CultureInfo.InvariantCulture), rewardAmountType);
}
return(expression);
}