Guys, it is required to build a tree of files from the sql table with comprehensive information about files and folders so that the user can look at the tree of files and select some files with a checkmark. Then save the selected files to the source table.
A similar example from offline: 
Share your thoughts, who did something similar? Maybe someone has an idea how to implement it better. I have very little experience and I am afraid to take up the invention of the bicycle, which has long been there. Or even worse, start making some ada crutches out of a rake!
Thanks in advance for the advice!
