private void AssignNodeRoot(JobSearchFilterReceiver root, string input)
{
//sample input: A_B_C_D
List <string> itemIDs = input.Split(new string[] { "_" }, StringSplitOptions.RemoveEmptyEntries).ToList();
if (itemIDs.Count() == 0)
{
return;
}
if (itemIDs.Count() == 1)
{
if (root.values == null)
{
root.values.Add(new JobSearchFilterReceiverItem {
ItemID = itemIDs[0]
});
}
else
{
bool hasMatchingItem = root.values.Where(c => c.ItemID.Equals(itemIDs[0])).Any();
if (!hasMatchingItem)
{
root.values.Add(new JobSearchFilterReceiverItem {
ItemID = itemIDs[0]
});
}
}
return;
}
else
{
JobSearchFilterReceiverItem nextLevelItem = null;
if (root.values == null)
{
nextLevelItem = new JobSearchFilterReceiverItem {
ItemID = itemIDs[0]
};
root.values.Add(nextLevelItem);
}
else
{
JobSearchFilterReceiverItem matchingItem = root.values.Where(c => c.ItemID.Equals(itemIDs[0])).FirstOrDefault();
if (matchingItem == null)
{
nextLevelItem = new JobSearchFilterReceiverItem {
ItemID = itemIDs[0]
};
root.values.Add(nextLevelItem);
}
else
{
nextLevelItem = matchingItem;
}
}
if (nextLevelItem != null)
{
AssignNodeRootItem(nextLevelItem, String.Join("_", itemIDs.Skip(1)));
}
}
}
public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
HttpRequestBase request = controllerContext.HttpContext.Request;
string keywords = request.Params["Keywords"];
int page = 1;
if (request.Params["Page"] != null)
{
page = Int32.Parse(request.Params["Page"]);
}
string sortBy = request.Params["SortBy"];
JobSearchSalaryFilterReceiver salary = null;
if (request.Params["Salary.TargetValue"] != null && request.Params["Salary.LowerRange"] != null && request.Params["Salary.UpperRange"] != null)
{
string salaryTargetValue = request.Params["Salary.TargetValue"];
int salaryLowerRange = 0;
Int32.TryParse(request.Params["Salary.LowerRange"], out salaryLowerRange);
int salaryUpperRange = 0;
Int32.TryParse(request.Params["Salary.UpperRange"], out salaryUpperRange);
salary = new JobSearchSalaryFilterReceiver()
{
RootName = "Salary", TargetValue = salaryTargetValue, LowerRange = salaryLowerRange, UpperRange = salaryUpperRange
};
}
/*
* Input samples
* Filters[0].rootId = 0
* Filters[0].values = 1, 1_2, 1_2_3, 1_2_4, 1_3_18
* Filters[1].rootId = A
* Filters[1].values = B, B_C, B_C_D, B_C_E
*/
Dictionary <string, FilterNode> tracker = new Dictionary <string, FilterNode>();
List <string> filterKeys = request.QueryString.AllKeys.Where(c => c.ToUpper().Contains("FILTERS")).OrderBy(c => c).ToList();
var reqParams = request.QueryString;
if (filterKeys == null || filterKeys.Count <= 0)
{
filterKeys = request.Params.AllKeys.Where(c => c.ToUpper().Contains("FILTER")).OrderBy(c => c).ToList();
reqParams = request.Params;
}
foreach (string k in filterKeys)
{
string thisFilterKey = ExtractFilterNodeID(k);
if (thisFilterKey != null)
{
if (tracker.Keys.Contains(thisFilterKey))
{
FilterNode thisNode = tracker[thisFilterKey];
if (k.ToUpper().Contains("ROOTID"))
{
thisNode.RootId = reqParams[k];
}
else if (k.ToUpper().Contains("VALUES"))
{
thisNode.Values = reqParams[k].Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries).ToList();
}
}
else
{
FilterNode newNode = new FilterNode();
if (k.ToUpper().Contains("ROOTID"))
{
newNode.RootId = reqParams[k];
}
else if (k.ToUpper().Contains("VALUES"))
{
newNode.Values = reqParams[k].Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries).ToList();
}
tracker.Add(thisFilterKey, newNode);
}
}
}
/*
* Output Sample
* tracker["Filter[0]"] = FilterNode { RootId ="0", Values = ["1","1_2","1_2_3" ]}
* tracker["Filter[1]"] = FilterNode { RootId = "A", Values = ["B","B_C","B_C_E" ]}
*/
//process tracker into target model
JobSearchResultsFilterModel targetModel = new JobSearchResultsFilterModel()
{
Keywords = keywords, Page = page, Filters = new List <JobSearchFilterReceiver>(), Salary = salary, SortBy = sortBy
};
foreach (string trackerKey in tracker.Keys)
{
FilterNode thisFilterNode = tracker[trackerKey];
JobSearchFilterReceiver receiver = new JobSearchFilterReceiver {
rootId = thisFilterNode.RootId, values = new List <JobSearchFilterReceiverItem>()
};
if (thisFilterNode.Values != null && thisFilterNode.Values.Count() > 0)
{
foreach (string value in thisFilterNode.Values)
{
AssignNodeRoot(receiver, value);
}
}
targetModel.Filters.Add(receiver);
}
return(targetModel);
}