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Adding a Count() to the DefaultContentQuery

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Also pulling the version option restrictions being applied in Slice(int skip, int count) to an ICriteria extension method in the same file to be used by Count()

--HG--
branch : dev
This commit is contained in:
Nathan Heskew
2010-11-09 11:17:24 -08:00
parent f01820d339
commit 582f921882
1 changed files with 40 additions and 28 deletions
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68
src/Orchard/ContentManagement/DefaultContentQuery.cs
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@@ -124,32 +124,12 @@ namespace Orchard.ContentManagement {
}
}
private IEnumerable<ContentItem> Slice(int skip, int count) {
var criteria = BindItemVersionCriteria();
if (_versionOptions == null) {
criteria.Add(Restrictions.Eq("Published", true));
}
else if (_versionOptions.IsPublished) {
criteria.Add(Restrictions.Eq("Published", true));
}
else if (_versionOptions.IsLatest) {
criteria.Add(Restrictions.Eq("Latest", true));
}
else if (_versionOptions.IsDraft) {
criteria.Add(Restrictions.And(
Restrictions.Eq("Latest", true),
Restrictions.Eq("Published", false)));
}
else if (_versionOptions.IsAllVersions) {
// no-op... all versions will be returned by default
}
else {
throw new ApplicationException("Invalid VersionOptions for content query");
}
criteria.ApplyVersionOptionsRestrictions(_versionOptions);
// TODO: put 'removed false' filter in place
if (skip != 0) {
criteria = criteria.SetFirstResult(skip);
}
@@ -162,6 +142,15 @@ namespace Orchard.ContentManagement {
.ToReadOnlyCollection();
}
int Count() {
var criteria = (ICriteria)BindItemVersionCriteria().Clone();
criteria.ClearOrders();
criteria.ApplyVersionOptionsRestrictions(_versionOptions);
return criteria.SetProjection(Projections.RowCount()).UniqueResult<Int32>();
}
IContentQuery<TPart> IContentQuery.ForPart<TPart>() {
return new ContentQuery<TPart>(this);
}
@@ -195,16 +184,14 @@ namespace Orchard.ContentManagement {
return _query.Slice(0, 0).AsPart<T>();
}
int IContentQuery<T>.Count() {
var criteria = (ICriteria)_query.BindItemVersionCriteria().Clone();
criteria.ClearOrders();
return criteria.SetProjection( Projections.RowCount() ).UniqueResult<Int32>();
}
IEnumerable<T> IContentQuery<T>.Slice(int skip, int count) {
return _query.Slice(skip, count).AsPart<T>();
}
int IContentQuery<T>.Count() {
return _query.Count();
}
IContentQuery<T, TRecord> IContentQuery<T>.Join<TRecord>() {
_query.Where<TRecord>();
return new ContentQuery<T, TRecord>(_query);
@@ -256,4 +243,29 @@ namespace Orchard.ContentManagement {
}
}
internal static class CriteriaExtensions {
internal static void ApplyVersionOptionsRestrictions(this ICriteria criteria, VersionOptions versionOptions) {
if (versionOptions == null) {
criteria.Add(Restrictions.Eq("Published", true));
}
else if (versionOptions.IsPublished) {
criteria.Add(Restrictions.Eq("Published", true));
}
else if (versionOptions.IsLatest) {
criteria.Add(Restrictions.Eq("Latest", true));
}
else if (versionOptions.IsDraft) {
criteria.Add(Restrictions.And(
Restrictions.Eq("Latest", true),
Restrictions.Eq("Published", false)));
}
else if (versionOptions.IsAllVersions) {
// no-op... all versions will be returned by default
}
else {
throw new ApplicationException("Invalid VersionOptions for content query");
}
}
}
}