It was wrongly stored using RPeriodicTask directly, but the higher
level `UserTask` must be used instead, because this ensures a
correctly scoped periodic task using the `updateOneTask` method. Since
this is a system task, it can be given a fixed ID which makes it now
safe even if stored using RPeriodicTask directly.
The bug resulted in multiple empty-trash tasks to be inserted (on each
restart).
Refs: #347
First, when checking for existence of a file, deleted items are not
conisdered.
The working with fulltext search has been changed: deleted items are
removed from fulltext index and are re-added when they are restored.
The fulltext index currently doesn't hold the item state and it would
mean much more work to introduce it into the index (or, worse, to
reprocess the results from the index). Thus, deleted items can only be
searched using database queries. It is probably a very rare use case
when fulltext search should be applied to deleted items. They have
been deleted for a reason and the most likely case is that they are
simply removed.
Refs: #347
In order to keep deleted items for a while, the periodic task can now
use a duration to only remove items with a certain age. This can be
used to ensure that a deleted item stays at least X days before it
will be removed from the database.
Refs: #347
Before, there were periodic tasks run per collective and not user by
making sure that submitter + group are the same value. This is now
encoded in `UserTaskScope` so it is now obvious and errors can be
reduced when using this.
When processing a new file conversion and text extraction is skipped
if detected to be already done. This prevents running expensive tasks
again after restarting/retrying. When explicitely reprocessing a file,
these tasks should run again and replace the existing results.
When reprocessing an item, the metadat of all *files* are replaced.
This change now also sets some metadat to an item, but only if the
item is not in state "confirmed". Confirmed items are not touched, but
the metadata of the files is updated.
