public SuggestionQueryResult Map(IEnumerable <GeoDataEntry> results, SuggestionQuery suggestionQuery, ILinkBuilder linkBuilder)
{
if (linkBuilder == null)
{
throw new ArgumentNullException(nameof(linkBuilder));
}
IEnumerable <Suggestion> suggestions = null;
if (results?.Count() > 0)
{
suggestions = CertaintyRanker.Rank(results, suggestionQuery.Q, suggestionQuery.Coordinates())
.OrderByDescending(o => o.Certainty)
.Take(suggestionQuery.MaxResults)
.Select(c => new Suggestion()
{
Certainty = c.Certainty,
Longitude = c.Entry.Longitude,
Latitude = c.Entry.Latitude,
Name = c.Entry.Name,
Links = linkBuilder.BuildLinks(c.Entry)
}).OrderByDescending(r => r.Certainty);
}
//if suggestions are null, return an empty array
return(new SuggestionQueryResult()
{
Suggestions = suggestions ?? new Suggestion[] {}
});
}
public IHttpActionResult Get([FromUri] SuggestionQuery query)
{
if (query == null)
{
throw new NullQueryStringException();
}
query.Validate();
Coordinates sourceCoordinates = query.Coordinates();
IEnumerable <GeoDataEntry> results = null;
try
{
if (sourceCoordinates == null)
{
results = DataProvider.Search(query?.Q, query.MaxResults);
}
else
{
results = DataProvider.SearchNear(query?.Q,
new BoundingBox(sourceCoordinates, Defaults.defaultRadiusKm), query.MaxResults);
}
}
catch (Exception ex)
{
AppLogger.Error("error querying hospitals", ex);
throw new DataProviderException(ex);
}
return(Ok(ResultsMapper.Map(results, query, new LinkBuilder(this))));
}