public static IList <T> Search <T>(string keywords, ContentReference root, int pageNumber, int pageSize, Collection <SortField> sortFields, out int totalItems) where T : IContent
{
var groupQuery = new GroupQuery(LuceneOperator.AND);
groupQuery.QueryExpressions.Add(new ContentQuery <T>());
if (string.IsNullOrWhiteSpace(keywords))
{
var dateRangeQuery = new CreatedDateRangeQuery(DateTime.MinValue, DateTime.MaxValue, true);
groupQuery.QueryExpressions.Add(dateRangeQuery);
}
else
{
var keywordGroupQuery = new GroupQuery(LuceneOperator.OR);
keywordGroupQuery.QueryExpressions.Add(AddQueryExpression(keywords, Field.Title));
keywordGroupQuery.QueryExpressions.Add(AddQueryExpression(keywords, Field.DisplayText));
keywordGroupQuery.QueryExpressions.Add(AddQueryExpression(keywords, Field.Default));
groupQuery.QueryExpressions.Add(keywordGroupQuery);
}
var searchHandler = ServiceLocator.Current.GetInstance <LuceneContentSearchHandler>();
// Get search results
var results = searchHandler.GetSearchResults <T>(groupQuery, root, pageNumber, pageSize, sortFields, true);
totalItems = results.TotalHits;
// Convert search results to pages
var indexResponseItems = results.IndexResponseItems;
return(indexResponseItems.Select(v => searchHandler.GetContent <T>(v)).Where(v => v != null).ToList());
}
public static IList <T> SearchByCreatedDateRange <T>(DateTime startDate, DateTime endDate, bool inclusive, ContentReference root, int pageNumber, int pageSize, Collection <SortField> sortFields, out int totalItems) where T : IContent
{
var groupQuery = new GroupQuery(LuceneOperator.AND);
var dateRangeQuery = new CreatedDateRangeQuery(startDate, endDate, inclusive);
groupQuery.QueryExpressions.Add(dateRangeQuery);
var searchHandler = ServiceLocator.Current.GetInstance <LuceneContentSearchHandler>();
var results = searchHandler.GetSearchResults <T>(groupQuery, root, pageNumber, pageSize, sortFields, true);
totalItems = results.TotalHits;
return(results.IndexResponseItems.Select(v => searchHandler.GetContent <T>(v)).ToList());
}
public static Dictionary <string, string> GetTags <T>(ContentReference root, bool includeOlder) where T : IContent
{
var dictionary = new Dictionary <string, string>();
var groupQuery = new GroupQuery(LuceneOperator.AND);
groupQuery.QueryExpressions.Add(new ContentQuery <T>());
if (includeOlder)
{
var dateRangeQuery = new CreatedDateRangeQuery(DateTime.MinValue, DateTime.MaxValue, true);
groupQuery.QueryExpressions.Add(dateRangeQuery);
}
else
{
groupQuery.QueryExpressions.Add(new UpcomingEventQuery(true));
}
var searchHandler = ServiceLocator.Current.GetInstance <LuceneContentSearchHandler>();
var eventTagField = new EventTagField();
var sortFields = new Collection <SortField>();
sortFields.Add(new SortField(eventTagField.Name, SortField.STRING));
// Get search results
var results = searchHandler.GetSearchResults <T>(groupQuery, root, 1, int.MaxValue, sortFields, true);
foreach (var item in results.IndexResponseItems)
{
if (!string.IsNullOrWhiteSpace(item.DisplayText))
{
var displayText = item.DisplayText.Trim();
var tags = displayText.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var tag in tags)
{
var key = tag.ToLowerInvariant();
if (!dictionary.ContainsKey(key))
{
dictionary.Add(key, tag);
}
}
}
}
return(dictionary);
}
public static int Count <T>(string keywords, ContentReference root) where T : IContent
{
var groupQuery = new GroupQuery(LuceneOperator.AND);
groupQuery.QueryExpressions.Add(new ContentQuery <T>());
if (string.IsNullOrWhiteSpace(keywords))
{
var dateRangeQuery = new CreatedDateRangeQuery(DateTime.MinValue, DateTime.MaxValue, true);
groupQuery.QueryExpressions.Add(dateRangeQuery);
}
else
{
var keywordGroupQuery = new GroupQuery(LuceneOperator.OR);
keywordGroupQuery.QueryExpressions.Add(AddQueryExpression(keywords, Field.Title));
keywordGroupQuery.QueryExpressions.Add(AddQueryExpression(keywords, Field.DisplayText));
groupQuery.QueryExpressions.Add(keywordGroupQuery);
}
var searchHandler = ServiceLocator.Current.GetInstance <LuceneContentSearchHandler>();
return(searchHandler.GetSearchResults <T>(groupQuery, root, 1, int.MaxValue, null, true).TotalHits);
}
