[TYPO3-dev] TypoScript DataProcessors

[Björn Lindner]

Hey folks,

I have the following bit of TypoScript to retrieve a target page's page resources (i.e. imaes in different dimensions) for a custom teaser element I have made.

dataProcessing.10 = TYPO3\CMS\Frontend\DataProcessing\DatabaseQueryProcessor
    dataProcessing.10 {

        # Notes:
        # The following piece takes the pid of the teaser's related_page
        # and sets it as the pidInList setting.
        # After that the sql query is extended by looking up the uid which is related_page.
        # then, all image variants are fetched and assigned to a variable.
        # thus, there is no need for a controller just to get a target page's image assets

        table = pages

        pidInList {
            dataWrap = DB:pages:{field:related_page}:pid
            wrap3 = {|}
            insertData=1
        }

        #where.data = 1831
        orderBy = sorting
        where.dataWrap = uid={field:related_page}



        as = relatedPageMediaArray

        dataProcessing {
            10 = TYPO3\CMS\Frontend\DataProcessing\FilesProcessor
            10 {
                references.fieldName = media_normal
                as = mediaNormal
            }
            20 = TYPO3\CMS\Frontend\DataProcessing\FilesProcessor
            20 {
                references.fieldName = media_skyscraper
                as = mediaSkyscraper
            }
            30 = TYPO3\CMS\Frontend\DataProcessing\FilesProcessor
            30 {
                references.fieldName = media_wide
                as = mediaWide
            }
            40 = TYPO3\CMS\Frontend\DataProcessing\FilesProcessor
            40 {
                references.fieldName = media_header
                as = mediaHeader
            }
       }

this works perfectly if I only want to retrieve assets from one target page. Let's assume I have multiple pages from where I want to get assets (image 364, 899,574 are stored in the database as the respective page UIDs via a comma separated list).

How would I have to modify the TS in order to process the list of page IDs first (I wanted to go with the Split Processor) and then iterate over the array of IDs i just got from the Split Processor?

nesting another DatabaseQueryProcessor inside the SplitProcessor did not work, unfortunately.

Thanks in advance.