WebObsidian/api/controller/folder.controller.js

const folder = require('../models/folder.model');

exports.getFoldersByHierarchy = async (req, res) => {
    let folders = await folder.findAll();

    for (let i = 0; i < folders.length; i++) {
        folders[i].dataValues.subFolders = []
    }

    console.log(folders);

    let toRemove = []
    for (let i = (folders.length - 1); i >= 0; i--) {
        
        parent = findByValue(folders, "folderId", folders[i].folderParent);
        if (parent != null) {
            console.log("parent: ", parent);
            parent.dataValues.subFolders.push(folders[i]);
        
            toRemove.push(i);
        }
    }

    console.log(toRemove)
    for (el of toRemove) {
        folders.splice(el, 1);
    }
    
    console.log(folders);

    res.json(folders);
}

exports.getFolders = async (req, res) => {
    const folders = await folder.findAll();
    res.json(folders);
}

exports.getFoldersById = async (req, res) => {

    const id = req.params.id

    const folders = await folder.findAll({
        where: {
            folderId: id,
        }},
    );
    res.json(folders);
}

exports.createFolder = async (req, res) => {
    const josnFolder = req.body;

    await folder.create({
        folderName: josnFolder.name,
        folderParent: josnFolder.parent,
    });

    res.status(201).json("ok");
}

function findByValue(list, key, value) {

    for (el of list) {
        if (el[key] == value) {
            return el;
        }
    }

    return null;
}