private void SetupFieldAndUrlFilters(ClinicalTrial trial)
{
// Copying the Title & Short Title logic from Advanced Form
//set the page title as the protocol title
PageInstruction.AddFieldFilter("long_title", (fieldName, data) =>
{
data.Value = trial.BriefTitle;
});
PageInstruction.AddFieldFilter("short_title", (fieldName, data) =>
{
data.Value = trial.BriefTitle;
//Eh, When would this happen???
if (!string.IsNullOrWhiteSpace(trial.NCTID))
{
data.Value += " - " + trial.NCTID;
}
});
PageInstruction.AddFieldFilter("meta_description", (fieldname, data) =>
{
data.Value = trial.BriefTitle;
});
PageInstruction.AddUrlFilter("CurrentUrl", (name, url) =>
{
//Copy the params
//TODO: Really determine what to do with these params. If the search is invalid, we probably
//hsould not show them all.
foreach (KeyValuePair <string, string> param in this.ParsedReqUrlParams.QueryParameters)
{
url.QueryParameters.Add(param.Key, param.Value);
}
});
PageInstruction.AddUrlFilter("CanonicalUrl", (name, url) =>
{
// only the id should be provided for the canonical URL, so clear all query parameters and
// then add back id
url.QueryParameters.Clear();
url.QueryParameters.Add("id", trial.NCIID);
//url.QueryParameters.Add("id", TrialID);
});
// Override the social media URL (og:url)
PageInstruction.AddFieldFilter("og:url", (fieldName, data) =>
{
//Ok, this is weird, but... The OpenGraph URL is actually a field. It kind of makes sense,
//and it kind of does not. Really it should be a field that gets the og:url instead of the
//pretty URL.
//BUt here we are, and it is what we have. So let's replace the og:url with the canonical URL.
data.Value = PageInstruction.GetUrl(NCI.Web.CDE.PageAssemblyInstructionUrls.CanonicalUrl).ToString();
});
}
/// <summary>
/// Goes and fetches the data from the API & Returns the results to base class to be bound to the template.
/// </summary>
/// <returns></returns>
protected override object GetDataForTemplate()
{
//TODO: Don't do a search if there are param errors.
if (SearchParams.HasInvalidParams() == true)
{
_results = new ClinicalTrialsCollection();
_results.TotalResults = 0;
}
else
{
_results = CTSManager.Search(SearchParams, this.PageNum, this.ItemsPerPage);
}
//Let's setup some helpful items for the template, so they do not need to be helper functions
//The start is either 0 if there are no results, or a 1 based offset based on Page number and items per page.
int startItemNumber = _results.TotalResults == 0 ? _results.TotalResults : ((this.PageNum - 1) * this.ItemsPerPage) + 1;
//Determine the last item.
long lastItemNumber = (this.PageNum * this.ItemsPerPage);
if (lastItemNumber > _results.TotalResults)
{
lastItemNumber = _results.TotalResults;
}
//Determine the max page
int maxPage = (int)Math.Ceiling((double)_results.TotalResults / (double)this.ItemsPerPage);
// Add URL filters
PageInstruction.AddUrlFilter("CurrentUrl", (name, url) =>
{
//Convert the current search parameters into a NciUrl
NciUrl paramsUrl = CTSSearchParamFactory.ConvertParamsToUrl(this.SearchParams);
//Add or replace the currentURL params based on the *validated* query params.
foreach (KeyValuePair <string, string> qp in paramsUrl.QueryParameters)
{
if (!url.QueryParameters.ContainsKey(qp.Key))
{
url.QueryParameters.Add(qp.Key, qp.Value);
}
else
{
url.QueryParameters[qp.Key] = qp.Value;
}
}
url.QueryParameters.Add("ni", this.ItemsPerPage.ToString());
});
//Return the object for binding.
return(new
{
Results = _results,
Control = this,
Parameters = SearchParams,
PageInfo = new {
CurrentPage = this.PageNum,
MaxPage = maxPage,
ItemsPerPage = this.ItemsPerPage,
StartItemNumber = startItemNumber,
LastItemNumber = lastItemNumber
},
TrialTools = new TrialVelocityTools()
});
}