/// <summary>
/// Query the specified IOpenSearchable entity with specific parameters and returns result in native format.
/// </summary>
/// <param name="entity">Entity.</param>
/// <param name="parameters">Parameters.</param>
public IOpenSearchResultCollection Query(IOpenSearchable entity, NameValueCollection parameters)
{
// Transform action to invoke
QuerySettings querySettings;
// 1) Find the plugin to match with urlTemplates
querySettings = entity.GetQuerySettings(this);
if (querySettings == null)
throw new ImpossibleSearchException(String.Format("No engine extension to query {0}", entity.Identifier));
// 2) Create the request
OpenSearchRequest request = entity.Create(querySettings, parameters);
// 3) Apply the pre-search functions
ApplyPreSearchFilters(ref request);
// 4) Perform the Search
IOpenSearchResponse response = request.GetResponse();
response.Entity = entity;
// 5) Apply the pre-search functions
ApplyPostSearchFilters(request, ref response);
// 6) Read the response
var results = querySettings.ReadNative.Invoke(response);
results.Parameters = request.Parameters;
results.LastUpdatedTime = DateTime.Now;
// 7) Apply post search filters
entity.ApplyResultFilters(request, ref results, results.ContentType);
// 8 Create the container
ApplyOpenSearchElements(ref results, request, response);
return results;
}
/// <summary>
/// Query the specified IOpenSearchable entity with specific parameters and result with the specific result type.
/// </summary>
/// <param name="entity">Entity.</param>
/// <param name="parameters">Parameters.</param>
/// <param name="resultType">Result type.</param>
public IOpenSearchResultCollection Query(IOpenSearchable entity, NameValueCollection parameters, Type resultType)
{
// Transform action to invoke
QuerySettings querySettings;
// 1) Find the best match between urlTemplates and result format
querySettings = entity.GetQuerySettings(this);
if (querySettings == null)
throw new ImpossibleSearchException(String.Format("No engine extension to query {0} in order to return {1}", entity.Identifier, resultType.FullName));
// 2) Create the request
OpenSearchRequest request = entity.Create(querySettings, parameters);
// 3) Apply the pre-search functions
ApplyPreSearchFilters(ref request);
// 4) Perform the Search
IOpenSearchResponse response = request.GetResponse();
response.Entity = entity;
// 5) Apply the pre-search functions
ApplyPostSearchFilters(request, ref response);
// 6) Transform the response
IOpenSearchResultCollection results = querySettings.ReadNative.Invoke(response);
results.Parameters = request.Parameters;
results.LastUpdatedTime = DateTime.Now;
IOpenSearchEngineExtension osee = GetFirstExtensionByTypeAbility(resultType);
// 7) Apply post search filters
entity.ApplyResultFilters(request, ref results, osee.DiscoveryContentType);
// 8) Change format
IOpenSearchResultCollection newResults = osee.CreateOpenSearchResultFromOpenSearchResult(results);
// 9) Create Result container
ApplyOpenSearchElements(ref newResults, request, response);
return newResults;
}
