public SearchResultsList Search(
SearchWidgetConfiguration configuration,
[Documentation(Name = "Query", Type = typeof(string)),
Documentation(Name = "PageIndex", Type = typeof(int)),
Documentation(Name = "PageSize", Type = typeof(int))]
IDictionary options)
{
var provider = Provider(configuration.ProviderId);
var credentials = provider.Authentication;
Dictionary <string, string> parameters;
string openSearchUrl;
if (options != null && options["PageIndex"] == null)
{
var allresults = new SearchResultsList {
Items = new List <SearchResult>()
};
int index = 0;
const int maxIndex = 10;
int pageSize = 100;
if (options["PageSize"] != null)
{
int.TryParse(options["PageSize"].ToString(), out pageSize);
}
options["PageSize"] = pageSize;
SearchResultsList current;
do
{
options["PageIndex"] = index;
parameters = SearchParametersAdapter(options);
openSearchUrl = Specification.ParseUrl(provider.OpenSearchUrl, parameters);
try
{
current = ExecuteSearch(openSearchUrl, credentials, configuration);
allresults.Items.AddRange(current.GetItems());
}
catch (WebException)
{
// format of xml file is invalid
return(allresults);
}
index++;
}while (current.GetItems().Count >= pageSize && index < maxIndex);
return(allresults);
}
parameters = SearchParametersAdapter(options);
openSearchUrl = Specification.ParseUrl(provider.OpenSearchUrl, parameters);
try
{
SearchResultsList results = ExecuteSearch(openSearchUrl, credentials, configuration);
//this.CurrentResults = results;
return(results);
}
catch (WebException)
{
// format of xml file is invalid
return(null);
}
}
public string Url(
SearchProvider provider,
SearchWidgetConfiguration configuration,
[Documentation(Name = "Query", Type = typeof(string)),
Documentation(Name = "PageIndex", Type = typeof(string)),
Documentation(Name = "PageSize", Type = typeof(string))]
IDictionary options)
{
var specification = new OpenSearchSpecification(new OpenSearchV1_1());
var parameters = SearchParametersAdapter(options);
return(!String.IsNullOrEmpty(provider.MoreResultsUrl) && configuration.ShowMoreResultsLink ? specification.ParseUrl(provider.MoreResultsUrl, parameters) : null);
}
private SearchResultsList ExecuteSearch(string url, Authentication credentials, SearchWidgetConfiguration configuration)
{
var xmlResponse = GetResponse(url, credentials);
return(new SearchResultsList(xmlResponse));
}
