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core: Add item uid (#1017)

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'uid' represents the unique id for a feed item. This item is null by
default and can be set to any string value. The provided string value
is always hashed to sha1 to make it the same length in all cases.

References #977, #1005
This commit is contained in:
LogMANOriginal
2019-02-03 20:56:41 +01:00
committed by GitHub
parent a29512deee
commit 394149b114
6 changed files with 71 additions and 23 deletions
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11
formats/AtomFormat.php
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@@ -40,10 +40,15 @@ class AtomFormat extends FormatAbstract{
$entryTitle = $this->xml_encode($item->getTitle());
$entryContent = $item->getContent();
$entryUri = $item->getURI();
$entryID = '';
// the item id must be a valid unique URI
$entryID = $this->xml_encode($entryUri);
if (empty($entryID))
if (!empty($item->getUid()))
$entryID = 'urn:sha1:' . $item->getUid();
if (empty($entryID)) // Fallback to provided URI
$entryID = $this->xml_encode($entryUri);
if (empty($entryID)) // Fallback to title and content
$entryID = 'urn:sha1:' . hash('sha1', $entryTitle . $entryContent);
if (empty($entryTimestamp))