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How to build Loyalty program with Lovable?

Discover how to build a loyalty program with Lovable. Follow our step-by-step guide to boost customer engagement, increase retention, and drive growth.

Matt Graham, CEO of Rapid Developers

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How to build Loyalty program with Lovable?

 
Setting Up Your Lovable Project
 

  • Create a new project in Lovable. Log into your Lovable dashboard and click the “Create New Project” button. Name this project “Loyalty Program”.
  • In your project workspace, you will need to create two new files: one for your HTML front-end and one for your JavaScript code.
  • Create a file named index.html for your page layout and loyalty.js where all loyalty program logic will reside.

 
Creating the HTML Layout with Lovable Dependencies
 

  • Edit your index.html file to include the Lovable library from the Content Delivery Network (CDN). Since Lovable does not support a terminal, the dependency is loaded directly in the HTML.
  • Insert the following code snippet at the top of your index.html file:




  
  Loyalty Program
  
  
  
  


  

Welcome to Our Loyalty Program

  • This code sets up your HTML page and imports the Lovable library along with your custom loyalty logic.

 
Initializing the Loyalty Program in JavaScript
 

  • Open or create the loyalty.js file. In this file, you will initialize the Lovable Loyalty Program and define its behavior.
  • Since Lovable does not have a terminal, you include any dependency initialization directly in your code. Start by inserting your API key and initializing the Loyalty Program instance. Use the snippet below:

/_ Initialize Lovable Loyalty Program with your API Key _/
var apiKey = "YOUR_API_KEY";  // Replace with your actual Lovable API key
var loyaltyProgram = new Lovable.LoyaltyProgram(apiKey);

/_ Optional: Set basic configuration parameters _/
loyaltyProgram.configure({
  purchaseThreshold: 50,     // Amount required for a reward trigger
  rewardPoints: 10           // Points awarded per eligible action
});
  • This code creates a new instance of the loyalty program using your API key and configures the reward rules that will apply to customers.

 
Implementing User Actions and Reward Allocation
 

  • Next, add functionality to track user actions—for example, when they make a purchase.
  • Insert the following code below your initialization code in loyalty.js to simulate awarding points when the purchase button is clicked:

/_ Add event listener to capture purchase events _/
document.getElementById('purchaseButton').addEventListener('click', function(){
  // Simulate processing the purchase and awarding reward points
  loyaltyProgram.addRewardPoints(10);
  alert("Congratulations! You have earned 10 reward points.");
});
  • This snippet listens for clicks on the purchase button and calls the addRewardPoints method to update the user's points balance.

 
Creating a User Signup Function
 

  • It is important to capture user information when they join your loyalty program. Create a simple function to handle user registration.
  • Add the code below in your loyalty.js file after the purchase event logic:

/_ Function to handle user signup and create a loyalty profile _/
function handleUserSignup(username, email) {
  var user = loyaltyProgram.createUser(username, email);
  console.log("New user created:", user);
  // Optionally, display a welcome message or update the UI
  alert("Welcome " + username + "! Your loyalty profile has been created.");
}

/_ Example usage: To be integrated with your signup form _/
handleUserSignup("JaneDoe", "[email protected]");
  • This code creates a new user in the loyalty program and logs the details in the console.

 
Testing and Final Deployment
 

  • Once all your code is in place, preview the project in Lovable’s built-in viewer. Since Lovable runs entirely in the browser, click the Run or Preview button in your dashboard.
  • Test the functionality by clicking the “Make a Purchase” button and observing if reward points are added.
  • Monitor the console for log messages confirming new user signups and reward allocations.
  • If needed, adjust your configurations and re-save the files. Changes are deployed automatically once you save your project.

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How to Build a Loyalty Program API with Express, MongoDB, and Lovable


const express = require('express');
const bodyParser = require('body-parser');
const mongoose = require('mongoose');

const app = express();
app.use(bodyParser.json());

// Define schema for loyalty program tracking
const loyaltySchema = new mongoose.Schema({
  userId: { type: String, required: true, unique: true },
  points: { type: Number, default: 0 },
  level: { type: Number, default: 1 },
  transactions: [{
    amount: Number,
    date: { type: Date, default: Date.now },
    type: String
  }]
});

const Loyalty = mongoose.model('Loyalty', loyaltySchema);

// API endpoint to accumulate points after a purchase event
app.post('/api/v1/loyalty/accumulate', async (req, res) => {
  try {
    const { userId, purchaseAmount } = req.body;
    if (!userId || !purchaseAmount) {
      return res.status(400).json({ error: 'Missing required parameters' });
    }
    
    // Calculate points based on a rule (for example: 1 point per $10 spent)
    const earnedPoints = Math.floor(purchaseAmount / 10);

    // Get or create the loyalty record for the user
    let loyaltyRecord = await Loyalty.findOne({ userId });
    if (!loyaltyRecord) {
      loyaltyRecord = new Loyalty({ userId });
    }
    
    // Update loyalty record
    loyaltyRecord.points += earnedPoints;
    loyaltyRecord.transactions.push({ amount: purchaseAmount, type: 'purchase' });
    
    // Update loyalty level based on the new points total
    if (loyaltyRecord.points >= 1000) {
      loyaltyRecord.level = 3;
    } else if (loyaltyRecord.points >= 500) {
      loyaltyRecord.level = 2;
    }
    
    await loyaltyRecord.save();
    
    // Here you might call the external Lovable API to sync the updated loyalty data
    // e.g., await axios.post('https://api.lovable.com/sync', { userId, points: loyaltyRecord.points, level: loyaltyRecord.level });

    res.json({ userId, newPoints: loyaltyRecord.points, level: loyaltyRecord.level });
  } catch (error) {
    res.status(500).json({ error: 'Internal Server Error' });
  }
});

// Connect to MongoDB and start the server
mongoose.connect('mongodb://localhost:27017/loyalty', { useNewUrlParser: true, useUnifiedTopology: true })
  .then(() => {
    app.listen(3000, () => console.log('Loyalty API server running on port 3000'));
  })
  .catch(err => console.error('MongoDB connection error:', err));

How to Auto-Sync Your Loyalty Transactions with Lovable's API


const cron = require('node-cron');
const axios = require('axios');
const mongoose = require('mongoose');

// Connect to MongoDB for loyalty transaction records
mongoose.connect('mongodb://localhost:27017/loyalty', {
  useNewUrlParser: true,
  useUnifiedTopology: true
});

// Define schema for tracking unsynced loyalty transactions
const transactionSchema = new mongoose.Schema({
  userId: { type: String, required: true },
  points: { type: Number, required: true },
  synced: { type: Boolean, default: false },
  createdAt: { type: Date, default: Date.now }
});
const Transaction = mongoose.model('Transaction', transactionSchema);

// Function to sync unsynced transactions with the external Lovable API
async function syncTransactions() {
  try {
    const unsynced = await Transaction.find({ synced: false });
    for (const tx of unsynced) {
      try {
        const response = await axios.post('https://api.lovable.com/v1/sync', {
          userId: tx.userId,
          points: tx.points,
          timestamp: tx.createdAt
        });
        if (response.status === 200) {
          tx.synced = true;
          await tx.save();
        }
      } catch (err) {
        console.error(`Failed to sync transaction ${tx._id}:`, err.message);
      }
    }
  } catch (err) {
    console.error('Error retrieving unsynced transactions:', err.message);
  }
}

// Schedule the syncTransactions function to run every 5 minutes
cron.schedule('_/5 _ _ _ \*', () => {
  console.log('Starting scheduled sync with Lovable API...');
  syncTransactions();
});

How to Redeem Rewards with Lovable in Your Loyalty Program


'use strict';

const express = require('express');
const mongoose = require('mongoose');
const axios = require('axios');

const app = express();
app.use(express.json());

// Define schema for user's loyalty account
const loyaltySchema = new mongoose.Schema({
  userId: { type: String, required: true, unique: true },
  points: { type: Number, default: 0 },
  transactions: [{
    type: { type: String },
    amount: Number,
    date: { type: Date, default: Date.now }
  }]
});

// Define schema for rewards available for redemption
const rewardSchema = new mongoose.Schema({
  rewardId: { type: String, required: true, unique: true },
  description: String,
  cost: { type: Number, required: true }
});

const Loyalty = mongoose.model('Loyalty', loyaltySchema);
const Reward = mongoose.model('Reward', rewardSchema);

// API endpoint to redeem a reward using available loyalty points with Lovable integration
app.post('/api/v1/loyalty/redeem', async (req, res) => {
  const session = await mongoose.startSession();
  session.startTransaction();
  try {
    const { userId, rewardId } = req.body;
    if (!userId || !rewardId) {
      throw { status: 400, message: 'Missing required parameters' };
    }

    const reward = await Reward.findOne({ rewardId }).session(session);
    if (!reward) {
      throw { status: 404, message: 'Reward not found' };
    }

    const userLoyalty = await Loyalty.findOne({ userId }).session(session);
    if (!userLoyalty) {
      throw { status: 404, message: 'User loyalty account not found' };
    }

    if (userLoyalty.points < reward.cost) {
      throw { status: 400, message: 'Insufficient points for redemption' };
    }

    // Deduct the required points for redemption
    userLoyalty.points -= reward.cost;
    userLoyalty.transactions.push({
      type: 'redeem',
      amount: -reward.cost
    });

    await userLoyalty.save({ session });

    // Call external Lovable API to process the redemption
    const response = await axios.post('https://api.lovable.com/v1/redeem', {
      userId,
      rewardId,
      pointsRedeemed: reward.cost
    });

    if (response.status !== 200) {
      throw { status: 500, message: 'Lovable API redemption failed' };
    }

    await session.commitTransaction();
    session.endSession();
    res.json({ success: true, message: 'Reward redeemed successfully' });
  } catch (error) {
    await session.abortTransaction();
    session.endSession();
    res.status(error.status || 500).json({ error: error.message || 'Internal server error' });
  }
});

// Connects to MongoDB and starts the Express server
mongoose.connect('mongodb://localhost:27017/loyalty', {
  useNewUrlParser: true,
  useUnifiedTopology: true
}).then(() => {
  app.listen(3001, () => console.log('Reward Redemption API running on port 3001'));
}).catch(err => console.error('MongoDB connection error:', err));

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Matt Graham, CEO of Rapid Developers

Book a call with an Expert

Starting a new venture? Need to upgrade your web app? RapidDev builds application with your growth in mind.

Book a free No-Code consultation

Best Practices for Building a Loyalty program with AI Code Generators

 
Overview and Objectives
 

  • This guide explains best practices for building a loyalty program by integrating AI code generators. The goal is to automate code creation for your loyalty program while ensuring quality, scalability, and user engagement.
  • You do not need deep technical expertise; the steps are explained in simple terms with examples.

 
Prerequisites
 

  • A basic understanding of how web applications work.
  • An account with an AI code generator service (for example, OpenAI, Codex, or similar services).
  • Access to a development environment (local machine or cloud-based IDE).
  • Basic familiarity with HTML, CSS, and a programming language like Python or JavaScript.

 
Understanding AI Code Generators
 

  • AI code generators use machine learning models to produce code snippets based on prompts. They can help you generate standardized code for common tasks.
  • Before integrating an AI code generator, identify the tasks you want to automate, such as generating API endpoints for your loyalty system or designing data models for user rewards.
  • Be aware of security and validation practices: always validate and test code generated by AI before implementing it.

 
Planning Your Loyalty Program Structure
 

  • Determine the rewards strategy: consider how users earn points, what rewards are available, and how to track progress.
  • Outline key modules: user registration, rewards accumulation, viewing rewards history, and redemption processes.
  • Create a flowchart or diagram to visualize interactions between components. This will help when generating code with AI tools.

 
Designing the Data Model
 

  • Identify the key data entities: users, rewards, loyalty points, transactions, and reward redemptions.
  • Sketch a simple database schema. For example, a users table can include columns for ID, name, email, and points balance.
  • An example snippet for a Python-based model using SQLAlchemy might look like this:
    
    from sqlalchemy import Column, Integer, String, DateTime
    from sqlalchemy.ext.declarative import declarative\_base
    
    

    Base = declarative_base()

    class User(Base):
    tablename = 'users'
    id = Column(Integer, primary_key=True)
    name = Column(String(50))
    email = Column(String(120), unique=True)
    points = Column(Integer, default=0)
    created_at = Column(DateTime)


 
Integrating AI Code Generators
 

  • Prepare clear prompts. Specify what you want the AI to generate, such as "Generate an API endpoint for adding loyalty points to a user account in Python using Flask."
  • Submit the prompt to your AI tool. For instance, you might enter:
    
    // "Create a Flask route that accepts a POST request to update a user's loyalty points. Include error handling."
        
  • Review and test the generated code. Modify the output if necessary to match your specific requirements.
  • Integrate the code snippet into your application following your development standards.

 
Building the API Endpoints
 

  • Develop API endpoints for user management and loyalty activities. An endpoint to update loyalty points might be as follows:
    
    from flask import Flask, request, jsonify
    from datetime import datetime
    
    

    app = Flask(name)

    Mock database

    users = {
    1: {"name": "Alice", "points": 100},
    2: {"name": "Bob", "points": 50}
    }

    @app.route('/update_points', methods=['POST'])
    def update_points():
    data = request.get_json()
    user_id = data.get('user_id')
    points = data.get('points')

    if user\_id not in users:
        return jsonify({"error": "User not found"}), 404
    
    try:
        users\[user\_id]\['points'] += int(points)
        return jsonify({"message": "Points updated", "new_points": users[user_id]['points']}), 200
    except Exception as e:
        return jsonify({"error": str(e)}), 400
    

    if name == 'main':
    app.run(host="0.0.0.0", port=5000)



  • Leverage the AI code generator to assist in generating other endpoints such as user registration, reward redemption, and loyalty history views.

 
Implementing Automation for Code Generation
 

  • Set up integration with the AI code generator API in your development environment.
  • Automate repetitive tasks by writing scripts that send predefined prompts and integrate the returned code into your project template.
  • An example in Python for calling an external AI service might look like:
    
    import requests
    
    

    def generate_code(prompt):
    api_url = "https://api.exampleai.com/v1/generate"
    headers = {"Authorization": "Bearer YOUR_API_KEY"}
    payload = {"prompt": prompt, "max_tokens": 150}
    response = requests.post(api_url, json=payload, headers=headers)
    if response.status_code == 200:
    return response.json().get("code")
    else:
    return None

    code_snippet = generate_code("Generate a Flask route for redeeming loyalty rewards with proper error handling.")
    print(code_snippet)


 
Testing the Loyalty Program
 

  • Perform unit tests on individual modules such as API endpoints and database operations. Ensure the AI-generated code works as expected.
  • Test complete user flows to cover scenarios like point accumulation, redemption, and error conditions.
  • Use postman or similar API testing tools to simulate API requests and analyze responses.

 
Deployment and Scaling
 

  • Deploy your application to a staging or production environment. Use platforms like Heroku, AWS, or DigitalOcean.
  • Continuously monitor application performance and error logs. Adjust your AI prompt strategies based on development needs.
  • Consider setting up CI/CD pipelines to automate testing and deployment, ensuring that new AI

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