PhotoAlbumViewer - Prevent Data Duplication

[anda_skoa]

I tried to make something like that

function getFolderUrl(index){
        return photosModel.get(index).folder
    }

function getFolderUrl(index){
        return photosModel.get(index).folder
    }

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Any reason for not using the data provided by the model?

I was thinking it's about making ListModel of FolderListModel, but is that possible ?

Well, that would be different, right?
Your model contains a set of directories, a FolderListModel provides the content of a single directory.

Cheers,
_