public IList <TagBE> GetTagsForPage(PageBE page)
{
// retrieve tags associated with a specified page id
var tags = _session.Tags_GetByPageId(page.ID);
// populate the defined to and related pages information
var ids = new List <uint>();
foreach (var tag in tags)
{
if (TagType.DEFINE == tag.Type)
{
tag.DefinedTo = page;
}
ids.Add(tag.Id);
}
var relatedPageMap = ids.Count > 0 ? _session.Tags_GetRelatedPageIds(ids) : new Dictionary <uint, IEnumerable <ulong> >();
var pageMap = _session.Pages_GetByIds(relatedPageMap.SelectMany(x => x.Value).Distinct()).ToDictionary(x => x.ID);
foreach (var tag in tags)
{
if ((TagType.DEFINE != tag.Type) && (TagType.TEXT != tag.Type))
{
continue;
}
IEnumerable <ulong> relatedPageIds;
relatedPageMap.TryGetValue(tag.Id, out relatedPageIds);
if (null == relatedPageIds)
{
continue;
}
var filtered = PermissionsBL.FilterDisallowed(_user, relatedPageIds, false, Permissions.BROWSE);
var relatedPages = (from pageId in filtered
where pageMap.ContainsKey(pageId)
select pageMap[pageId]).ToArray();
if (TagType.DEFINE == tag.Type)
{
tag.RelatedPages = relatedPages;
}
else if ((TagType.TEXT == tag.Type) && (0 < relatedPages.Length))
{
tag.DefinedTo = relatedPages[0];
}
}
return(tags);
}
