.gitignore

@@ -1,7 +1,7 @@
 # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 
 # dependencies
-/node_modules
+node_modules
 /.pnp
 .pnp.js
 

client/mongodbnotes.txt

@@ -0,0 +1,24 @@
+use budgetdb
+
+db.createCollection(“users”)
+db.createCollection(“accounts”)
+db.createCollection("budgets")
+db.createCollection("budgetPeriods")
+
+users: [{
+	_id: <id>
+	username: “maximx1”
+}]
+
+accounts: [{
+	name: amazon,
+	user: <id>
+}]
+
+budgets: [{
+	name: "main"
+}]
+
+budgetPeriods: [{
+    
+}]

server/package.json

@@ -0,0 +1,18 @@
+{
+    "name": "budget-demo-server",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "scripts": {
+        "start": "node src/server.js",
+        "dev": "nodemon src/server.js",
+        "test": "echo \"Error: no test specified\" && exit 1"
+    },
+    "author": "",
+    "license": "MIT",
+    "dependencies": {
+        "express": "^4.18.2",
+        "mongodb": "^5.1.0",
+        "nodemon": "^2.0.20"
+    }
+}

server/src/managers/UserManager.js

@@ -0,0 +1,12 @@
+const userStore = require('../stores/UserStore'),
+    accountStore = require('../stores/AccountStore');
+
+exports.getUserAccounts = (username) => {
+    return new Promise((resolve, reject) => {
+        userStore.findUser(username).then((user) => {
+            accountStore.getAccountsForUser(user._id).then(accounts => {
+                resolve(accounts);
+            });
+        });
+    });
+};

server/src/server.js

@@ -0,0 +1,23 @@
+const express = require('express'),
+    port = process.env.PORT || 3001,
+    app = express(),
+    userManager = require('./managers/UserManager'),
+    userStore = require('./stores/UserStore'),
+    accountStore = require('./stores/AccountStore');
+
+app.get('/users', (req, res) => {
+    userStore.getUsers().then(data => res.json({ users: data }));
+});
+
+app.get('/:username/accounts', (req, res) => {
+    const { username } = req.params;
+    userManager.getUserAccounts(username).then(data => res.json(data));
+});
+
+app.get('/accounts', (req, res) => {
+    accountStore.getAccounts().then(data => res.json({ accounts: data }));
+});
+
+app.listen(port, () => {
+    console.log(`===> Server started: http://localhost:${port}/`);
+});

server/src/stores/AccountStore.js

@@ -0,0 +1,9 @@
+const mongo = require('./Mongo');
+
+exports.getAccounts = () => {
+    return mongo.listAll('accounts');
+};
+
+exports.getAccountsForUser = (userId) => {
+    return mongo.find('accounts', { user: userId });
+};

server/src/stores/Mongo.js

@@ -0,0 +1,44 @@
+const { MongoClient } = require('mongodb'),
+    mongoUri = process.env.MONGOURI || 'mongodb://localhost:27017',
+    mongoDb = process.env.MONGODB || 'budgetdb';
+
+const find = (collectionName, query) => {
+    return new Promise(async(resolve, reject) => {
+        const client = new MongoClient(mongoUri);
+
+        try {
+            const db = client.db(mongoDb),
+                collection = db.collection(collectionName);
+
+            resolve(await collection.find(query).toArray());
+        } catch (err) {
+            console.log(err);
+            reject(err);
+        } finally {
+            client.close();
+        }
+    });
+};
+exports.find = find;
+
+exports.findOne = (collectionName, query) => {
+    return new Promise(async(resolve, reject) => {
+        const client = new MongoClient(mongoUri);
+
+        try {
+            const db = client.db(mongoDb),
+                collection = db.collection(collectionName);
+
+            resolve(await collection.findOne(query));
+        } catch (err) {
+            console.log(err);
+            reject(err);
+        } finally {
+            client.close();
+        }
+    });
+};
+
+exports.listAll = (collectionName) => {
+    return find(collectionName);
+};

server/src/stores/UserStore.js

@@ -0,0 +1,9 @@
+const mongo = require('./Mongo');
+
+exports.getUsers = () => {
+    return mongo.listAll('users');
+};
+
+exports.findUser = (username) => {
+    return mongo.findOne('users', { username: username });
+}