[TYPO3-mvc] data from default lang for object in actual lang?

[Bernd Wilke]

I'm just entering extbase space.
I got a project and have to change the behaviour - and get lost.


description of the project:
a lot of records with a variant field which includes a flexform, where 
data is stored as xml.
handling to these fields works as expected.
now i should change the behaviour on translation:
translated records should not include the whole flexform but only some 
fields, which really contain language-dependent information. most fields 
stay the same. especially the high-resolution images. at the moment all 
fields are copied on translation including all the big images. As there 
are 6 languages this results in 6 identical copies of each image and a 
lot of wasted space on the server.

as these values are stored inside the XML there is no fallback on (XML-)
field level (the table-field is the whole XML). 
I introduced a further variant which only includes the translated XML-
fields, but now I have to merge the XML from the default-language-record 
with the XML from the actual translated record.

two problems: 

1 how can I access the default-record?

public function findProductDefaultLang( $product ) {
  $query->getQuerySettings()->setRespectSysLanguage(false);
  $query->getQuerySettings()->setRespectStoragePage(true);
        
  $constraints = $query->equals('uid', $product->_getProperty('uid'));
  return $query->matching($constraints)->execute();
}
 
this should get the record/object with default-language, but the result 
is still translated.

2 (a little bit off-topic) how can I merge the two XMLs?
on one level I have the XML-strings, after parsing I have two recursive 
arrays of simpleXMLObjects, where handling seems weird.

bernd
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