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Add data for shared posts from the original

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Michael 2019-12-04 22:57:09 +00:00
parent 4403aeeda5
commit 22c66e1811
3 changed files with 71 additions and 1 deletions
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67
src/Model/Item.php
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@ -3759,4 +3759,71 @@ class Item extends BaseObject
return 0;
}
/**
* Return share data from an item array (if the item is shared item)
* We are providing the complete Item array, because at some time in the future
* we hopefully will define these values not in the body anymore but in some item fields.
* This function is meant to replace all similar functions in the system.
*
* @param array $item
*
* @return array with share information
*/
public static function getShareArray($item)
{
if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
return [];
}
$attribute_string = $matches[2];
$attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
foreach(['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
$attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
}
}
return $attributes;
}
/**
* Fetch item information for shared items from the original items and adds it.
*
* @param array $item
*
* @return array item array with data from the original item
*/
public static function addShareDataFromOriginal($item)
{
$shared = self::getShareArray($item);
if (empty($shared)) {
return $item;
}
// Real reshares always have got a GUID.
if (empty($shared['guid'])) {
return $item;
}
$uid = $item['uid'] ?? 0;
// first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
$shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
if (!DBA::isResult($shared_item)) {
// Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
$id = self::fetchByLink($shared['link'], $uid);
if (empty($id)) {
return $item;
}
$shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
if (!DBA::isResult($shared_item)) {
return $item;
}
}
$item['body'] = preg_replace("/(.*?\[share.*?\]\s?).*?(\s?\[\/share\]\s?)/ism", '$1' . $shared_item['body'] . '$2', $item['body']);
unset($shared_item['body']);
return array_merge($item, $shared_item);
}
}