public async Task <ClinicalTrialResult <ClinicalTrial> > GetClinicalTrials(ClinicalTrialFilter filter)
{
GraphQLRequest graphQLRequest = GetGraphQLRequest(GetQueryForClinicalTrial(filter));
var result = await _Client.PostAsync(graphQLRequest);
ClinicalTrialResult <ClinicalTrial> clinicalTrialResult = GetClinicalTrialResultInstance(result);
MapResultToClinicalTrialObject(result, clinicalTrialResult);
return(clinicalTrialResult);
}
public string GetQueryForClinicalTrial(ClinicalTrialFilter filter)
{
string query = GetQuery(TrialObject, DefaultTrialProperties, false, filter.first, filter.after);
if (filter.Conditions != null && filter.Conditions.Any())
{
bool hasPagination = filter.first > 0 || !string.IsNullOrEmpty(filter.after);
string conditions = string.Join(",", filter.Conditions);
string endOfLine = hasPagination ? "," : ")";
string baseFilters = null;
if (filter.Longitude != null)
{
string latitude = AddFilterToBase("", "latitude", filter.Latitude.ToString(), true);
string longitude = AddFilterToBase("", "latitude", filter.Latitude.ToString(), true);
string coordinates = " coordinates: {" + latitude + ", " + longitude + "}";
baseFilters = coordinates;
}
baseFilters = AddFilterToBase(baseFilters, "studyType", filter.StudyType, true);
baseFilters = AddFilterToBase(baseFilters, "zipCode", filter.ZipCode);
baseFilters = AddFilterToBase(baseFilters, "phase", filter.Phase, true);
if (filter.FromAge > 0)
{
if (filter.ToAge > 0)
{
baseFilters = AddFilterToBase(baseFilters, "age", filter.FromAge.ToString() + ":" + filter.ToAge.ToString());
}
else
{
baseFilters = AddFilterToBase(baseFilters, "age", filter.FromAge.ToString(), true);
}
}
baseFilters = AddFilterToBase(baseFilters, "gender", filter.Gender, true);
baseFilters = AddFilterToBase(baseFilters, "travelRadius", filter.TravelRadius > 0 ? filter.TravelRadius.ToString() : "", true);
string baseMatches = "baseMatches(conditions: [" + conditions + "], baseFilters: { " + baseFilters + " }" + endOfLine + "";
string startOfLine = hasPagination ? "(" : "";
query = query.Replace(TrialObject + startOfLine, baseMatches);
}
return(query);
}
