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How to build Customer portal with Lovable?

Learn how to build a powerful and user-friendly customer portal with Lovable. Follow our step-by-step guide to create seamless digital experiences and boost engagement.

Matt Graham, CEO of Rapid Developers

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How to build Customer portal with Lovable?

 
Introducing Your Lovable Customer Portal Project
 
This guide explains how to build a Customer Portal using Lovable. Follow each step to create the portal interface, style it, and integrate Lovable’s backend functionalities. All instructions assume you are working within Lovable’s no-terminal environment, so dependencies are added directly in code.

 
Setting Up Your Lovable Project
 

  • Log into your Lovable account and create a new project. Name it something like CustomerPortal.
  • In your project dashboard, create the following new files:
    • index.html – Main HTML file for your portal.
    • styles.css – CSS file for styling your portal.
    • portal.js – JavaScript file for adding interactivity and integrating backend APIs.
  • No terminal is available, so all dependency links must be added directly into index.html using script and link tags.

 
Building the HTML Structure
 

  • Open your index.html and insert the following code. This creates the basic structure of the customer portal, including a header, main content area, and footer.

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Customer Portal</title>
    <link rel="stylesheet" href="styles.css">
    <!-- Include Lovable SDK if required by adding its link here -->
    <script src="https://cdn.lovable.com/sdk/lovable.js"></script>
  </head>
  <body>
    <header>
      <h1>Welcome to Your Customer Portal</h1>
    </header>
    <main id="content">
      <!-- Dynamic content from Lovable APIs will be loaded here -->
    </main>
    <footer>
      <p>© 2023 Your Company</p>
    </footer>
    <script src="portal.js"></script>
  </body>
</html>

 
Styling Your Customer Portal
 

  • Create or open the styles.css file and paste the following code. This will style the header, main content, and footer to give your portal a modern look.

/_ styles.css _/
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f9;
}

header {
background-color: #4CAF50;
color: white;
padding: 20px;
text-align: center;
}

main#content {
padding: 20px;
}

footer {
background-color: #ddd;
color: #333;
text-align: center;
padding: 10px;
position: fixed;
left: 0;
bottom: 0;
width: 100%;
}

 
Integrating Lovable Backend APIs
 

  • Open the portal.js file to incorporate Lovable backend functionalities. Use the Lovable SDK or API endpoints to load dynamic customer information. Insert the following code snippet into portal.js.

// portal.js

// Function to fetch customer data from Lovable API
function fetchCustomerData() {
// Replace with your actual Lovable API endpoint and parameters if needed
const apiUrl = 'https://api.lovable.com/customer-data';

// Use Lovable provided method or standard fetch if available
fetch(apiUrl)
.then(response => response.json())
.then(data => {
displayCustomerData(data);
})
.catch(error => {
console.error('Error fetching customer data:', error);
document.getElementById('content').innerHTML = '

Unable to load customer data at this time.

';
});
}

// Function to display data in HTML
function displayCustomerData(data) {
const content = document.getElementById('content');
// Customize the following to match your data structure
let html = '

Customer Profile

';
html += <p>Name: ${data.name}</p>;
html += <p>Email: ${data.email}</p>;
html += <p>Member Since: ${data.memberSince}</p>;
content.innerHTML = html;
}

// Trigger data fetching when the page loads
window.onload = fetchCustomerData;

 
Adding Additional Lovable Integrations
 

  • If your portal requires additional functionalities like support chat or ticketing, add corresponding script references and functionality in portal.js. For example, to integrate a Lovable Chat feature, insert the following snippet below in portal.js:

// Initialize Lovable Chat widget (example integration)
function initializeChat() {
  if (typeof LovableChat !== 'undefined') {
    LovableChat.init({
      container: document.getElementById('chat-widget'),
      customerId: 'YOUR_CUSTOMER_ID' // Replace dynamically as needed
    });
  }
}

// Call initializeChat after data is loaded or on page load
window.onload = function() {
fetchCustomerData();
initializeChat();
};

 
Finalizing Your Customer Portal
 

  • Review all your changes. Your project should now have the following files:
    • index.html: HTML structure with dependency references.
    • styles.css: CSS styling for your portal.
    • portal.js: JavaScript code to fetch and display customer data, along with additional integrations.
  • Use Lovable’s preview or live testing feature to open index.html and see your Customer Portal in action.
  • Check the console (if available within Lovable’s interface) for any errors and ensure that data from the Lovable API is loading correctly.

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How to Build a Lovable Customer Portal


<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Lovable Customer Portal</title>
  <style>
    body { font-family: Arial, sans-serif; margin: 20px; }
    table { border-collapse: collapse; width: 100%; }
    th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
    th { background-color: #f2f2f2; }
  </style>
</head>
<body>
  <h1>Customer Data</h1>
  <div id="customer-portal">
    <table id="customer-table">
      <thead>
        <tr>
          <th>ID</th>
          <th>Name</th>
          <th>Email</th>
          <th>Subscription</th>
        </tr>
      </thead>
      <tbody>
      </tbody>
    </table>
  </div>
  
  <script>
    async function fetchCustomerData() {
      try {
        const response = await fetch('/api/lovable/customers');
        if (!response.ok) {
          throw new Error('Network response was not ok');
        }
        const data = await response.json();
        // Assume the response returns an object with a "customers" array
        const customers = data.customers || [];
        renderCustomerTable(customers);
      } catch (error) {
        console.error('Fetch error:', error);
      }
    }
    
    function renderCustomerTable(customers) {
      const tableBody = document.querySelector('#customer-table tbody');
      // Clear existing table rows
      tableBody.innerHTML = '';
      customers.forEach(customer => {
        const row = document.createElement('tr');
        row.innerHTML = \`
          <td>${customer.id}</td>
          <td>${customer.name}</td>
          <td>${customer.email}</td>
          <td>${customer.subscription ? 'Active' : 'Inactive'}</td>
        \`;
        tableBody.appendChild(row);
      });
    }
    
    // Trigger data fetch on page load
    document.addEventListener('DOMContentLoaded', fetchCustomerData);
  </script>
</body>
</html>

How to Update Customer Subscription in Your Lovable Portal


<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Lovable Customer Portal - Update Subscription</title>
  <style>
    body { font-family: Arial, sans-serif; padding: 20px; }
    form { max-width: 500px; margin: 0 auto; }
    label { display: block; margin-top: 10px; }
    input, select { width: 100%; padding: 8px; margin-top: 4px; }
    button { margin-top: 15px; padding: 10px 15px; }
    #responseMessage { margin-top: 20px; }
  </style>
</head>
<body>
  <h1>Update Customer Subscription</h1>
  <form id="subscriptionForm">
    <label for="customerId">Customer ID</label>
    <input type="text" id="customerId" name="customerId" required />
    
    <label for="plan">New Subscription Plan</label>
    <select id="plan" name="plan" required>
      <option value="" disabled selected>Select a plan</option>
      <option value="basic">Basic</option>
      <option value="premium">Premium</option>
      <option value="enterprise">Enterprise</option>
    </select>
    
    <button type="submit">Update Subscription</button>
  </form>
  
  <div id="responseMessage"></div>
  
  <script>
    document.getElementById('subscriptionForm').addEventListener('submit', async function(e) {
      e.preventDefault();
      
      const customerId = document.getElementById('customerId').value.trim();
      const plan = document.getElementById('plan').value;
      const responseDiv = document.getElementById('responseMessage');
      
      try {
        const res = await fetch('https://api.lovable.com/external/updateSubscription', {
          method: 'POST',
          headers: {
            'Content-Type': 'application/json',
            'Authorization': 'Bearer YOUR_API_KEY\_HERE'
          },
          body: JSON.stringify({ customerId, plan })
        });
        
        if (!res.ok) {
          throw new Error('Update failed with status: ' + res.status);
        }
        
        const result = await res.json();
        responseDiv.innerHTML = '<p>Subscription updated successfully! Transaction ID: ' + result.transactionId + '</p>';
      } catch (error) {
        responseDiv.innerHTML = '<p style="color:red;">Error: ' + error.message + '</p>';
      }
    });
  </script>
</body>
</html>

How to Build a Customer Activity Log in Your Lovable Portal


<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Lovable Customer Portal - Activity Log</title>
  <style>
    body { font-family: Arial, sans-serif; margin: 20px; }
    form { margin-bottom: 20px; }
    input, select, button { padding: 8px; margin-right: 10px; }
    table { border-collapse: collapse; width: 100%; }
    th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
    th { background-color: #f9f9f9; }
    .pagination { margin-top: 15px; }
    .pagination button { padding: 6px 12px; margin-right: 5px; }
  </style>
</head>
<body>
  <h1>Customer Activity Log</h1>
  <form id="filterForm">
    <label for="customerId">Customer ID:</label>
    <input type="text" id="customerId" name="customerId" placeholder="Enter Customer ID" required />
    
    <label for="activityType">Activity Type:</label>
    <select id="activityType" name="activityType">
      <option value="">All</option>
      <option value="login">Login</option>
      <option value="update">Profile Update</option>
      <option value="purchase">Purchase</option>
    </select>
    
    <label for="startDate">From:</label>
    <input type="date" id="startDate" name="startDate" />
    
    <label for="endDate">To:</label>
    <input type="date" id="endDate" name="endDate" />
    
    <button type="submit">Search</button>
  </form>
  
  <table id="activityTable">
    <thead>
      <tr>
        <th>Timestamp</th>
        <th>Activity Type</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
    </tbody>
  </table>
  
  <div class="pagination">
    <button id="prevPage" disabled>Previous</button>
    <span id="pageIndicator">Page 1</span>
    <button id="nextPage">Next</button>
  </div>
  
  <script>
    let currentPage = 1;
    const pageSize = 10;
    
    async function fetchActivityLogs(page = 1) {
      const customerId = document.getElementById('customerId').value.trim();
      const activityType = document.getElementById('activityType').value;
      const startDate = document.getElementById('startDate').value;
      const endDate = document.getElementById('endDate').value;
      
      const params = {
        customerId,
        activityType,
        startDate,
        endDate,
        page,
        pageSize
      };
      
      try {
        const response = await fetch('/api/lovable/activityLogs', {
          method: 'POST',
          headers: {
            'Content-Type': 'application/json'
          },
          body: JSON.stringify(params)
        });
        
        if (!response.ok) {
          throw new Error('Network response was not ok');
        }
        
        const result = await response.json();
        renderActivityTable(result.logs || []);
        updatePagination(result.totalPages);
      } catch (error) {
        console.error('Error fetching activity logs:', error);
      }
    }
    
    function renderActivityTable(logs) {
      const tbody = document.querySelector('#activityTable tbody');
      tbody.innerHTML = '';
      
      logs.forEach(log => {
        const row = document.createElement('tr');
        row.innerHTML = \`
          <td>${log.timestamp}</td>
          <td>${log.activityType}</td>
          <td>${log.description}</td>
        \`;
        tbody.appendChild(row);
      });
    }
    
    function updatePagination(totalPages) {
      document.getElementById('pageIndicator').textContent = 'Page ' + currentPage;
      document.getElementById('prevPage').disabled = currentPage <= 1;
      document.getElementById('nextPage').disabled = currentPage >= totalPages;
    }
    
    document.getElementById('filterForm').addEventListener('submit', function(e) {
      e.preventDefault();
      currentPage = 1;
      fetchActivityLogs(currentPage);
    });
    
    document.getElementById('prevPage').addEventListener('click', function() {
      if (currentPage > 1) {
        currentPage--;
        fetchActivityLogs(currentPage);
      }
    });
    
    document.getElementById('nextPage').addEventListener('click', function() {
      currentPage++;
      fetchActivityLogs(currentPage);
    });
  </script>
</body>
</html>

Want to explore opportunities to work with us?

Connect with our team to unlock the full potential of no-code solutions with a no-commitment consultation!

Book a Free Consultation
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 Customer portal with AI Code Generators

 

Understanding Your Customer Portal Objectives

 

  • Decide on the portal's primary functions, such as self-service support, account management, or transaction history.
  • Identify your target users and outline their key requirements.
  • Determine how AI code generators can enhance the portal by automating repetitive tasks or providing smart recommendations.

 

Selecting the Right AI Code Generator Tools

 

  • Research various AI code generation platforms that integrate well with web development environments.
  • Compare their features, ease of integration, supported languages, and community feedback.
  • Ensure the chosen tool provides clear documentation and API support for seamless integration.

 

Planning Your Portal’s Architecture

 

  • Outline the overall layout of the customer portal, including front-end, back-end, and integration layers.
  • Map the data flow from user input to AI processing and back to the user display.
  • Design the portal structure to be scalable, secure, and user-friendly.

 

Creating a User-Friendly Interface

 

  • Focus on a clean, intuitive design that makes navigation simple for non-tech users.
  • Use clear call-to-action buttons and straightforward menus.
  • Incorporate responsive design principles to ensure compatibility with various devices.

 

Developing the Back-End Infrastructure

 

  • Set up a robust server environment to handle user requests and API calls to the AI generator.
  • Incorporate database management systems to store user data, portal configurations, and generated code histories.
  • Create endpoints that can receive user inputs and process them using the AI code generators.
  • Example code for a simple back-end endpoint:
    from flask import Flask, request, jsonify
    
    

    app = Flask(name)

    @app.route('/generate', methods=['POST'])
    def generate():
    user_input = request.json.get('prompt', '')
    # Simulate AI code generation logic
    generated_code = f"// Code based on: {user_input}"
    return jsonify({'code': generated_code})

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


 

Integrating AI Code Generators Into the Portal

 

  • Utilize the API provided by your chosen AI code generation tool to integrate it within your portal.
  • Store your API keys securely and configure proper authentication to maintain system integrity.
  • Develop functions to send user prompts to the AI and retrieve generated code or suggestions.
    import requests
    
    

    def get_generated_code(prompt, api_key):
    headers = {"Authorization": f"Bearer {api_key}"}
    payload = {"prompt": prompt}
    response = requests.post("https://api.exampleaicode.com/generate", json=payload, headers=headers)
    if response.status_code == 200:
    return response.json().get('code', '')
    return "Error generating code"

    Example usage:

    api_key = "YOUR_API_KEY"
    user_prompt = "Create a login form with validation."
    print(get_generated_code(user_prompt, api_key))


 

Implementing Strong Security and User Authentication

 

  • Ensure that all data communications are encrypted using HTTPS protocols.
  • Implement user authentication mechanisms such as OAuth or JWT for secure access.
  • Use industry-standard practices like password hashing and regular security audits.
  • Example snippet for password hashing:

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