Test Coding #ce9896a0

// PART 1
function PART_1 () {
	console.log('PART 1')
	console.log(`There is a list of data users in tree diagram structurized and sorted by level called as "Title", but the level was \nunneccesarry because it was pre-defined as a constant data on every users.\nThe task is to make a function to find parent of given element's name that have specific title on it's parent. ( e.g. 'HM', CS1 -> SF -> HM3 )`);
	console.log()
	
	var user = (title , id , parentId) => {
		return { title , id , parentId, children: [] }
	}
	var users = []
	users.push(user('M','M1','0'))
	users.push(user('HM','HM1','M1'))
	users.push(user('HM','HM2','HM1'))
	users.push(user('HM','HM3','HM1'))
	users.push(user('HM','HM4','HM1'))
	users.push(user('HM','HM5','HM1'))
	users.push(user('SF','SF1','HM3'))
	users.push(user('SF','SF2','HM3'))
	users.push(user('SF','SF3','HM5'))
	users.push(user('SF','SF4','HM5'))
	users.push(user('CS','CS1','SF1'))
	users.push(user('CS','CS2','SF2'))
	users.push(user('CS','CS3','SF3'))
	users.push(user('CS','CS4','SF4'))

	function list_to_tree(list,keys=['id','parentId','children']) {
	  var map = {}, node, roots = [], i;
	  
	  for (i = 0; i < list.length; i += 1) {
	    map[list[i][keys[0]]] = i; // initialize the map
	    list[i][keys[2]] = []; // initialize the children
	  }
	  
	  for (i = 0; i < list.length; i += 1) {
	    node = list[i];
	    if (node[keys[1]] !== "0") {
	      list[map[node[keys[1]]]][keys[2]].push(node);
	    } else {
	      roots.push(node);
	    }
	  }
	  return roots;
	}

	// console.log(JSON.stringify(list_to_tree(users),null,2))
	function searchTree(element, word, key=['id','children']){
		if (element[key[0]] == word) {
			return element;
		} else if (element[key[1]] != null) {
			var i;
			var result = null;
			for(i=0; result == null && i < element[key[1]].length; i++){
				result = searchTree(element[key[1]][i], word);
			}
			return result;
		}
		return null;
	}

	var tree = list_to_tree(users);
	var search = searchTree(tree[0],'CS4');

	const REF_TITLE = 'HM'
	
	// I want to get the LEAF <REF_TITLE> by input the <CHILD_NAME> or id or else
	var firstOccurence = true

	// I want to get the ROOT <REF_TITLE> by input the <CHILD_NAME> or id or else
	// var firstOccurence = false

	while (true) {
		try {
			if (!search) throw new Error('user not found')
			else if (search.parentId === '0' && search.title !== REF_TITLE) throw new Error('not found')
			if (search.title === REF_TITLE) {
				if (firstOccurence) {
					console.log(search);
					break;
				} else {
					if (search.parentId === '0') {
						console.log(search);
						break;
					} else {
						var tmpSearch = searchTree(tree[0],search.parentId);
						if (tmpSearch.title === REF_TITLE) {
							search = searchTree(tree[0],search.parentId)
						} else {
							console.log(search);
							break;
						}
					}
				}
			} else {
				search = searchTree(tree[0],search.parentId)
			}
		} catch (err) {
			console.error(err.message);
			break;
		}
	}
	console.log('\n\n')
}


// PART 2
function PART_2 () {
	console.log('PART 2')
	console.log(`This task is pretty simple, just making a summary of the data and doing a little bit of Math inside.`)
	console.log()
	var MAX_ORDERS = 100;
	var MULTIPLY_BY = .05;
	var status = {
		'D': 'DRAFT',
		'O': 'OK',
		'P': 'PENDING',
		'C': 'CANCEL',
	}

	var Item  = (itemName, itemPrice) => ({ id: GENID(), itemName, itemPrice });
	var Items = [];
	var ItemByName = (itemName) => Items.find((d)=>d.itemName.includes(itemName))

	const generateRandomPrice = () => (Math.floor(Math.random()*30)*1000+15000)
	Items.push(Item('night stand',generateRandomPrice()));
	Items.push(Item('window',generateRandomPrice()));
	Items.push(Item('sponge',generateRandomPrice()));
	Items.push(Item('television',generateRandomPrice()));
	Items.push(Item('electrical outlet',generateRandomPrice()));
	Items.push(Item('cookie jar',generateRandomPrice()));
	Items.push(Item('measuring tape',generateRandomPrice()));
	Items.push(Item('cat',generateRandomPrice()));
	Items.push(Item('ottoman',generateRandomPrice()));
	Items.push(Item('deodorant',generateRandomPrice()));
	Items.push(Item('letter opener',generateRandomPrice()));
	Items.push(Item('sunglasses',generateRandomPrice()));

	var User = (name) => ({ id: GENID(), name })
	var Users = [];
	var UserByName = (name) => Users.find((d)=>d.name.includes(name))

	Users.push(User('John'))
	Users.push(User('Maria'))
	Users.push(User('Abdoel'))
	Users.push(User('Kevin'))
	Users.push(User('Samuel'))
	Users.push(User('Vhee'))

	var Sales = (status, itemName, user) => ({ status, itemName, user });
	var SalesOrders = [];

	var getRandomStatus = () => {
		var keys=Object.keys(status);
		var index = Math.floor(Math.random()*keys.length)
		return keys[index];
	}
	var getRandomItem = () => {
		var index = Math.floor(Math.random()*Items.length)
		return Items[index];
	}
	var getRandomUser = () => {
		var index = Math.floor(Math.random()*Users.length)
		return Users[index]
	}

	for (let i = 0; i < MAX_ORDERS; i++) {
		SalesOrders.push(Sales(
			getRandomStatus(),
			getRandomItem().itemName,
			getRandomUser().name,
		))
	}
	let SalesOrdersByUsers = {}
	for (let Order of SalesOrders) {
		var user = UserByName(Order.user);
		var item = ItemByName(Order.itemName);

		if (user && item && Order.status === 'O') {
			if (!SalesOrdersByUsers[user.id]) SalesOrdersByUsers[user.id] = { name: user.name, totalBonus: 0, items: {} };
			if (!SalesOrdersByUsers[user.id].items[item.id]) {
				SalesOrdersByUsers[user.id].items[item.id] = {
					itemName: item.itemName,
					itemPrice: item.itemPrice,
					amount: 1,
					bonus: item.itemPrice * MULTIPLY_BY,
				}
			} else {
				SalesOrdersByUsers[user.id].items[item.id].amount++;
				SalesOrdersByUsers[user.id].items[item.id].bonus+=item.itemPrice * MULTIPLY_BY;
			}
			SalesOrdersByUsers[user.id].items[item.id].bonusString=IN_CURRENCY(SalesOrdersByUsers[user.id].items[item.id].bonus)
			SalesOrdersByUsers[user.id].totalBonus += SalesOrdersByUsers[user.id].items[item.id].bonus;
		}
	}
	function printSummary(name){
		var list = Object.values(SalesOrdersByUsers);
		if (name) {
			console.log('Summary of',name)
			list = list.filter((d)=>d.name.includes(name))
		}
		for (let user of list) {
			console.log(`${user.name}, total bonus: ${IN_CURRENCY(user.totalBonus)}`)
			for (let item of Object.values(user.items)) {
				console.log('-',item.amount, item.itemName, item.bonusString, ` (item price: ${IN_CURRENCY(item.itemPrice)})`)
			}
			console.log()
		}
	}
	function printSummaryOf(name){

	}

	printSummary()
	// printSummary('Abdoel')
	// console.log(SalesOrders.filter(d=>d.status === 'O').length)
	console.log('\n\n')
}

PART_1()
PART_2()

// HELPER
var GENID = () => '_'+Math.random().toString(36).substr(2,8); // Generate ID
var IN_CURRENCY = (n) => Intl.NumberFormat('id').format(n);   // NUMBER TO CURRENCY FORMAT