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Refactor BundleServiceImpl.setOrder() to be more failsafe. Update Tests to prove out (previously these new tests failed)

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Tim Donohue
2017-06-02 20:42:00 +00:00
committed by Pascal-Nicolas Becker
parent d3d8471756
commit e16f6a80d5
2 changed files with 69 additions and 22 deletions
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53
dspace-api/src/main/java/org/dspace/content/BundleServiceImpl.java
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@@ -269,29 +269,60 @@ public class BundleServiceImpl extends DSpaceObjectServiceImpl<Bundle> implement
public void setOrder(Context context, Bundle bundle, UUID[] bitstreamIds) throws AuthorizeException, SQLException {
authorizeService.authorizeAction(context, bundle, Constants.WRITE);
bundle.getBitstreams().clear();
List<Bitstream> currentBitstreams = bundle.getBitstreams();
List<Bitstream> updatedBitstreams = new ArrayList<Bitstream>();
// Loop through and ensure these Bitstream IDs are all valid. Add them to list of updatedBitstreams.
for (int i = 0; i < bitstreamIds.length; i++) {
UUID bitstreamId = bitstreamIds[i];
Bitstream bitstream = bitstreamService.find(context, bitstreamId);
if(bitstream == null){
// If we have an invalid Bitstream ID, just ignore it, but log a warning
if(bitstream == null) {
//This should never occur but just in case
log.warn(LogManager.getHeader(context, "Invalid bitstream id while changing bitstream order", "Bundle: " + bundle.getID() + ", bitstream id: " + bitstreamId));
continue;
}
bitstream.getBundles().remove(bundle);
bundle.getBitstreams().add(bitstream);
bitstream.getBundles().add(bundle);
bitstreamService.update(context, bitstream);
// If we have a Bitstream not in the current list, log a warning & exit immediately
if(!currentBitstreams.contains(bitstream))
{
log.warn(LogManager.getHeader(context, "Encountered a bitstream not in this bundle while changing bitstream order. Bitstream order will not be changed.", "Bundle: " + bundle.getID() + ", bitstream id: " + bitstreamId));
return;
}
updatedBitstreams.add(bitstream);
}
//The order of the bitstreams has changed, ensure that we update the last modified of our item
Item owningItem = (Item) getParentObject(context, bundle);
if(owningItem != null)
// If our lists are different sizes, exit immediately
if(updatedBitstreams.size()!=currentBitstreams.size())
{
itemService.updateLastModified(context, owningItem);
itemService.update(context, owningItem);
log.warn(LogManager.getHeader(context, "Size of old list and new list do not match. Bitstream order will not be changed.", "Bundle: " + bundle.getID()));
return;
}
// As long as the order has changed, update it
if(CollectionUtils.isNotEmpty(updatedBitstreams) && !updatedBitstreams.equals(currentBitstreams))
{
//First clear out the existing list of bitstreams
bundle.getBitstreams().clear();
// Now add them back in the proper order
for (Bitstream bitstream : updatedBitstreams)
{
bitstream.getBundles().remove(bundle);
bundle.getBitstreams().add(bitstream);
bitstream.getBundles().add(bundle);
bitstreamService.update(context, bitstream);
}
//The order of the bitstreams has changed, ensure that we update the last modified of our item
Item owningItem = (Item) getParentObject(context, bundle);
if(owningItem != null)
{
itemService.updateLastModified(context, owningItem);
itemService.update(context, owningItem);
}
}
}