AdminJS is a modern, powerful, and user-friendly admin panel for managing application data. In this guide, we will walk you through integrating AdminJS with a Mongoose database in a Node.js application.
Before we start, ensure you have the following installed:
First, create a new Node.js project.
mkdir adminjs-mongoose
cd adminjs-mongoose
npm init -yInstall the necessary packages including AdminJS, Mongoose, Express, and their adapters.
npm install adminjs @adminjs/express @adminjs/mongoose express mongooseCreate a models directory and add a User.js file to define your Mongoose schema.
// models/User.js
const mongoose = require('mongoose');
const UserSchema = new mongoose.Schema({
name: { type: String, required: true },
email: { type: String, required: true, unique: true },
role: { type: String, required: true, enum: ['admin', 'user'] },
});
module.exports = mongoose.model('User', UserSchema);Create an admin directory and add a admin.js file to configure AdminJS.
// admin/admin.js
const AdminJS = require('adminjs');
const AdminJSExpress = require('@adminjs/express');
const AdminJSMongoose = require('@adminjs/mongoose');
const mongoose = require('mongoose');
const User = require('../models/User');
AdminJS.registerAdapter(AdminJSMongoose);
const adminJs = new AdminJS({
resources: [User],
rootPath: '/admin',
});
const router = AdminJSExpress.buildRouter(adminJs);
module.exports = { adminJs, router };This code configures AdminJS to manage Mongoose models within an express application. It imports necessary modules, registers the Mongoose adapter with AdminJS, and sets up an AdminJS instance with a specified resource and root path, creating an express router for AdminJS which is then exported for use in the main application.
Create an index.js file to set up your express server and connect to MongoDB.
// index.js
const express = require('express');
const mongoose = require('mongoose');
const { adminJs, router } = require('./admin/admin');
require('dotenv').config();
const app = express();
const PORT = process.env.PORT || 3000;
mongoose.connect(process.env.MONGODB_URI, {
useNewUrlParser: true,
useUnifiedTopology: true,
});
const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', () => {
console.log('Connected to MongoDB');
});
app.use(adminJs.options.rootPath, router);
app.listen(PORT, () => {
console.log(`Server is running on http://localhost:${PORT}`);
});Create a .env file in the root of your project to store environment variables.
// .env
MONGODB_URI=mongodb://localhost:27017/adminjs-mongooseStart your application with the following command:
node index.jsYour AdminJS panel should be running at:
http://localhost:3000/admin.You can customize the appearance and behavior of AdminJS. For example, you can add more resources, customize actions, and set up different themes.
To add more resources, create additional Mongoose models and add them to your AdminJS configuration.
// admin/admin.js
const Post = require('../models/Post'); // Assuming you have another model named Post
const adminJs = new AdminJS({
resources: [User, Post],
rootPath: '/admin',
});You can customize the actions available for your resources. For example, you might want to customize the ‘new’ action for the user model.
// admin/admin.js
const adminJs = new AdminJS({
resources: [{
resource: User,
options: {
actions: {
new: {
before: async (request) => {
if (request.payload.role === 'admin') {
// Perform some action before creating an admin user
}
return request;
},
},
},
},
}],
rootPath: '/admin',
});
In this blog post, we’ve set up AdminJS with a Mongoose database in a Node.js application. AdminJS provides a powerful and flexible way to manage your application data through an admin panel. With its easy setup and extensive customization options, AdminJS is a great choice for any Node.js project.
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