/// <summary>
/// Search for packages in the CKAN repository and just return tag counts with caching.
/// </summary>
/// <param name="parameters">Provides that parameters to use in the search.</param>
/// <param name="settings">The cache settings.</param>
/// <returns>Search results</returns>
public List <Tag> SearchPackagesGetTagCounts(PackageSearchParameters parameters, CacheSettings settings)
{
// Execute the search request
parameters.Offset = 0;
parameters.Limit = GetPackageCount(parameters, settings);
PackageSearchResponse <Package> response = SearchPackages <Package>(parameters, settings);
List <Package> packages = response.Results;
List <Tag> tags = TagHelper.GetTagCounts(packages);
return(tags);
}
/// <summary>
/// Search for packages in the CKAN repository with caching.
/// </summary>
/// <param name="parameters">Provides that parameters to use in the search.</param>
/// <param name="settings">The cache settings.</param>
/// <returns>Search results</returns>
public PackageSearchResponse <T> SearchPackages <T>(PackageSearchParameters parameters, CacheSettings settings)
{
var request = new RestRequest();
request.Resource = "2/search/package";
// Apply query parameter
foreach (var group in parameters.Groups)
{
request.AddParameter("q", "organization:" + group);
}
// Apply title parameter
if (!String.IsNullOrEmpty(parameters.Title))
{
request.AddParameter("title", parameters.Title);
}
// Apply tag parameters
foreach (var tag in parameters.Tags)
{
request.AddParameter("tags", tag);
}
// Apply notes parameter
if (!String.IsNullOrEmpty(parameters.Notes))
{
request.AddParameter("notes", parameters.Notes);
}
//// Apply group parameters
//foreach (var group in parameters.Groups)
//{
// request.AddParameter("groups", group);
//}
// Apply author parameter
if (!String.IsNullOrEmpty(parameters.Author))
{
request.AddParameter("author", parameters.Author);
}
// Apply update_frequency parameter
if (!String.IsNullOrEmpty(parameters.UpdateFrequency))
{
request.AddParameter("update_frequency", parameters.UpdateFrequency);
}
// Apply maintainer parameter
if (!String.IsNullOrEmpty(parameters.Maintainer))
{
request.AddParameter("maintainer", parameters.Maintainer);
}
// Apply all_fields parameter
if (typeof(T) == typeof(Package))
{
request.AddParameter("all_fields", 1);
}
// Apply filter_by_openness parameter
if (parameters.FilterByOpenness)
{
request.AddParameter("filter_by_openness", "1");
}
// Apply filter_by_downloadable parameter
if (parameters.FilterByDownloadable)
{
request.AddParameter("filter_by_downloadable", "1");
}
// Apply order_by parameter
if (!String.IsNullOrEmpty(parameters.OrderBy))
{
request.AddParameter("order_by", parameters.OrderBy);
}
// Set the offset and limit parameters
if (parameters.Offset > -1)
{
request.AddParameter("offset", parameters.Offset);
}
if (parameters.Limit > -1)
{
request.AddParameter("limit", parameters.Limit);
}
// Execute the search request
PackageSearchResponse <T> response = Execute <PackageSearchResponse <T> >(request, settings);
// If no results, return an empty results object
if (response == null)
{
response = new PackageSearchResponse <T>();
}
else
{
if (typeof(T) == typeof(Package) && parameters.AggregateTagCounts && response.Results.Count > 0)
{
if (response.Results.Count == response.Count)
{
// If we have all of the results on the current page just aggregate the tags
if (typeof(T) == typeof(Package))
{
List <Package> packages = response.Results.ConvertAll(item => (Package)((object)item));
response.Tags = TagHelper.GetTagCounts(packages);
}
}
else
{
// If we don't have all of the results submit another request to
// get all of the tags
response.Tags = SearchPackagesGetTagCounts(parameters, settings);
}
}
}
return(response);
}