private IQueryable <Blob> MakeListBlobsQuery(string blobNamePrefix, string blobNameStart, DateTime?snapshotStart, string separator, IBlobObjectCondition condition, int maxBlobNames, DevelopmentStorageDbDataContext dataContext)
{
IQueryable <Blob> blobs =
from b in dataContext.Blobs
where (b.AccountName == this._container.AccountName) && (b.ContainerName == this._container.ContainerName)
select b;
if (condition != null)
{
if (!condition.IsIncludingPageBlobs)
{
blobs =
from b in blobs
where b.BlobTypeInt == 1
select b;
}
if (!condition.IsIncludingUncommittedBlobs)
{
blobs =
from b in blobs
where ((BlockBlob)b).IsCommitted == null || ((BlockBlob)b).IsCommitted.Value
select b;
}
}
if (!string.IsNullOrEmpty(separator))
{
blobs =
from b in dataContext.GetSummaryBlobs(this._container.AccountName, this._container.ContainerName, blobNamePrefix, separator)
select b;
}
else if (!string.IsNullOrEmpty(blobNamePrefix))
{
blobs =
from b in blobs
where b.BlobName.StartsWith(DbStorageAccount.FixTildeInPrefix(blobNamePrefix))
select b;
}
if (blobNameStart != null)
{
blobs = (!snapshotStart.HasValue ?
from b in blobs
where b.BlobName.CompareTo(blobNameStart) >= 0
select b :
from b in blobs
where b.BlobName.CompareTo(blobNameStart) > 0 || b.BlobName.CompareTo(blobNameStart) == 0 && (b.VersionTimestamp >= snapshotStart.Value)
select b);
}
if (condition != null)
{
if (condition.IfModifiedSinceTime.HasValue)
{
blobs =
from b in blobs
where b.LastModificationTime > (DateTime?)condition.IfModifiedSinceTime.Value
select b;
}
if (condition.IfNotModifiedSinceTime.HasValue)
{
blobs =
from b in blobs
where b.LastModificationTime <= (DateTime?)condition.IfNotModifiedSinceTime.Value
select b;
}
if (!condition.IsIncludingSnapshots)
{
blobs =
from b in blobs
where b.VersionTimestamp == StorageStampHelpers.RootBlobSnapshotVersion
select b;
}
}
if (maxBlobNames != 0)
{
blobs = (
from x in blobs
orderby x.AccountName
orderby x.ContainerName
orderby x.BlobName
select x).Take <Blob>(maxBlobNames + 1);
}
return(blobs);
}
