backend/app/controllers/api/v1/Menu.controller.js

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const Controller = require('libflitter/controller/Controller')
/*
* Menu Controller
* -------------------------------------------------------------
* Put some description here!
*/
class Menu extends Controller {
static get services() {
return [...super.services, 'models']
}
async get_items(req, res) {
const Page = this.models.get('api:Page')
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// Build the "My Tree" option
const root_page = await req.user.get_root_page()
const nodes = await this._build_menu_object(root_page)
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const menu = []
menu.push({
id: 0,
name: 'My Info Tree',
children: nodes,
noDelete: true,
noChildren: true,
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virtual: true,
type: 'branch',
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})
// Get view only shared trees
const view_only_trees = await Page.find({ shared_users_view: req.user._id })
const view_only_nodes = []
for ( const tree of view_only_trees ) {
if ( !(await tree.is_accessible_by(req.user)) ) continue
view_only_nodes.push({
id: tree.UUID,
name: tree.Name,
children: await this._build_secure_menu_object(tree, req.user),
level: await tree.access_level_for(req.user),
type: 'page',
})
}
// Get update, view shared trees
const update_trees = await Page.find({ shared_users_update: req.user._id })
const update_nodes = []
for ( const tree of update_trees ) {
if ( !(await tree.is_accessible_by(req.user)) ) continue
update_nodes.push({
id: tree.UUID,
name: tree.Name,
children: await this._build_secure_menu_object(tree, req.user),
level: await tree.access_level_for(req.user),
type: 'page',
})
}
// Get update, view, manage shared trees
const manage_trees = await Page.find({ shared_users_manage: req.user._id })
const manage_nodes = []
for ( const tree of manage_trees ) {
if ( !(await tree.is_accessible_by(req.user)) ) continue
manage_nodes.push({
id: tree.UUID,
name: tree.Name,
children: await this._build_secure_menu_object(tree, req.user),
level: await tree.access_level_for(req.user),
type: 'page',
})
}
menu.push({
id: 0,
name: 'Trees Shared With Me',
children: [...view_only_nodes, ...update_nodes, ...manage_nodes],
noDelete: true,
noChildren: true,
virtual: true,
type: 'branch',
})
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return res.api(menu)
}
async _build_menu_object(parent_node, arr= []) {
const children = await this.models.get('api:Page').find({UUID: {$in: parent_node.ChildPageIds}})
if ( children ) {
for ( const child of children ) {
arr.push({
id: child.UUID,
name: child.is_shared() ? child.Name + ' ⁽ˢʰᵃʳᵉᵈ⁾' : child.Name,
shared: child.is_shared(),
children: [...(await child.get_menu_items()), ...(await this._build_menu_object(child))],
type: 'page',
})
}
}
return arr
}
async _build_secure_menu_object(parent_node, user, arr = []) {
const children = await parent_node.childPages
if ( children ) {
for ( const child of children ) {
if ( !(await child.is_accessible_by(user)) ) continue
arr.push({
id: child.UUID,
name: child.Name,
children: await this._build_secure_menu_object(child, user),
level: await child.access_level_for(user),
type: 'page',
})
}
}
return arr
}
}
module.exports = exports = Menu