RSS/Atom feeds return too few Items when restricted items are excluded
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Key: DS-374
URL: http://jira.dspace.org/jira/browse/DS-374
Project: DSpace 1.x
Issue Type: Bug
Components: JSPUI, XMLUI
Affects Versions: 1.5.2, 1.6.0
Reporter: Larry Stone
Priority: Minor
The logic for excluding restricted (i.e. not world-readable) Items from the
RSS/Atom feeds results in too few Items being shown if any are actually
excluded. For example, when the DSpace Configuration properties set
harvest.includerestricted.rss = false, and webui.feed.items = 4, if two of the
selected (i.e. latest) Items are restricted then the feed will only list 2
items instead of the configured 4.
This is a natural result of filtering by the access check _after_ getting the
requested number of results from the browse system. The effect is the same in
both JSPUI and XMLUI implementations of syndication feeds.
To demonstrate the effect, get a feed of e.g. 4 Items. Modify one of those
Items to remove the Anonymous READ access at the Item level. Be sure your
configuration sets harvest.includerestricted.rss = false. Get the same feed,
and observe that there is one fewer Item than the count configured in
webui.feed.items.
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