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DataObjectManager Module

SilverStripe Forums » DataObjectManager Module » multiple manymany DOM : sortable jointable problem

Discuss the DataObjectManager module, and the related ImageGallery module.

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  • El Mich
    Community Member
    8 Posts

    multiple manymany DOM : sortable jointable problem Link to this post

    I have a setup where I 'tag' files with my product objects by a many_many, and in an other many_many I select which of these files should be shown on the product page. Like this:

    class FileDecorator extends DataObjectDecorator {
    function extraStatics() {
    return array(
    'belongs_many_many' => array(
    'Files' => 'Product',
    'AttachedFiles' => 'Product'

    class Product extends DataObject {
    static $many_many = array(
    'Files' => 'File',
    'AttachedFiles' => 'File'

    for both relations I use the DOM, with sortable extension:

    $FilesSelect = new ManyManyFileDataObjectManager(

    and for the AttachedFiles, I first get a list of all files (ID's) tagged with this product and use this as a filter in the where clause:

    $TaggedFilesIdString = $this->getTaggedFilesIds();
    $AttachedFilesSelect = new ManyManyFileDataObjectManager(
    $sourceFilter = "File.ID in($TaggedFilesIdString));

    Sortable extensions are configurated like this:

    SortableDataObject::add_sortable_many_many_relation("Product", "Files");
    SortableDataObject::add_sortable_many_many_relation("Product", "AttachedFiles");

    All works great, I can tag my files with products, I can sort these tagged files independently for each product, I can also select from the filtered list in the AttachedFiles DOM, but, if I change the sortorder on the AttachedFiles DOM it does not get stored.

    I did notice that upon sorting the AttachedFiles, the SortOrder field on the Product_Files table is updated, instead of the SortOrder field on the Product_AttachedFiles join table.

    How should I do this?
    Thank you!

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