WPBookit - Documentation
WPBookit

SDLC DOC

Software Development Life Cycle

Project Name: WPBookit – Appointment Booking WordPress Plugin
Version: 1.6.2
Prepared By: Iqonic Design
Date: 21/11/2024

1. Introduction

1.1 Purpose

This document defines the structured process used to develop the WPBookit plugin, an appointment booking solution for WordPress websites. It provides transparency on each development stage, ensuring quality, security, and compliance with standards.

1.2 Scope

WPBookit is an advanced appointment booking plugin designed for businesses of all sizes. The plugin includes the following:

  • Booking management with custom time slots.
  • Staff availability and customer management.
  • Integrations with Zoom for virtual meetings, Google Calendar, and payment gateways (Stripe, PayPal).
  • Customizable notifications and reminders.
  • Reporting and analytics tools.

1.3 Objectives

  • Build a feature-rich, scalable plugin.
  • Ensure secure integrations with third-party APIs (Zoom, payment gateways).
  • Deliver a responsive and intuitive user interface for admins and customers.

2. SDLC Model Used

The Agile Model was chosen to enable iterative development, regular feedback, and flexibility to adapt to changes during the development process.

3. Phases of SDLC

3.1 Planning Phase

Objective: Establish a clear understanding of the project’s scope, objectives, and deliverables.

Activities:

  1. Requirement Gathering:
    • Stakeholders Involved: Business owners, developers, UX designers.
    • Identify key requirements, including:
      • Booking forms.
      • Staff schedules and availability.
      • Integration with Zoom, Google Calendar, and payment gateways.
    • Identify potential challenges like API limitations or scaling issues.
  2. Risk Analysis:
    • Evaluate risks such as:
      • Zoom API rate limits.
      • Potential plugin conflicts with popular WordPress themes.
      • Security risks for payment gateways.
  3. Resource Planning:
    • Allocate development, design, and testing teams.
    • Define tools and environments:
      • WordPress development environment.
      • Tools like Postman (API testing) and GitHub (version control).

Deliverables:

  • Feature Requirements Document (FRD).
  • Risk Assessment Report.
  • Project Roadmap with milestones.

3.2 Analysis Phase

Objective: Analyze technical feasibility and system requirements to create a robust plan for development.

Activities:

  1. System Feasibility:
    • Assess technical feasibility for integrating:
      • Zoom API for meeting scheduling.
      • WooCommerce for payments.
      • Google Calendar for appointment syncing.
    • Analyze WordPress plugin compatibility with Elementor, WPBakery, and Gutenberg.
  2. Requirement Specification:
    • Functional Requirements:
      • Users can book appointments online.
      • Admins can manage schedules and bookings.
      • Customers receive automated notifications and Zoom links.
    • Non-functional Requirements:
      • System must handle 1,000+ concurrent bookings.
      • Plugin must load under 2 seconds in the WordPress admin panel.
  3. Security Analysis:
    • Plan secure handling of API keys and sensitive user data.
    • Evaluate GDPR compliance for customer data.

Deliverables:

  • System Requirements Specification (SRS).
  • Data Flow Diagrams (DFD).
  • Technical Feasibility Report.

3.3 Design Phase

Objective: Create architectural designs, database schemas, and user interfaces for the plugin.

Activities:

  1. Architectural Design:
    • Define plugin structure:
      • Core module for booking management.
      • API module for Zoom and payment gateway integrations.
      • Admin dashboard for managing staff and appointments.
  2. Database Design:
    • Tables for:
      • Bookings: (ID, date, time, customer ID, status, Zoom link).
      • Customers: (ID, name, email, phone).
      • Staff: (ID, name, availability, assigned bookings).
      • Payments: (ID, booking ID, amount, status).
  3. UI/UX Design:
    • Frontend:
      • Responsive booking form.
      • Calendar view for customers.
    • Backend:
      • Dashboard with analytics and booking summaries.
      • Staff management and Zoom integration settings.

Deliverables:

  • Database Schema.
  • API Design Document (Zoom, payment gateways, calendar sync).
  • Mockups for UI/UX.

3.4 Development Phase

Objective: Build the plugin’s core features and integrate third-party services.

Activities:

  1. Core Development:
    • Develop modules for:
      • Booking creation and management.
      • Admin dashboard functionalities.
    • Implement customizable booking slots and staff availability.
  2. Integration:
    • Zoom:
      • Use OAuth for secure API authentication.
      • Automate meeting creation and link generation.
    • Payment Gateways:
      • Implement Stripe and PayPal integrations.
    • Google Calendar:
      • Enable bi-directional sync for appointments.
  3. Security Implementation:
    • Encrypt API keys and sensitive data.
    • Sanitize all user inputs to prevent SQL injection.
  4. Version Control:
    • Use GitHub to manage code versions and ensure collaborative development.

Deliverables:

  • Plugin Codebase.
  • API Documentation for integrations.

3.5 Testing Phase

Objective: Validate the plugin’s functionality, performance, and security.

Activities:

  1. Unit Testing:
    • Test individual modules like booking forms, Zoom meeting creation, and payment processing.
  2. Integration Testing:
    • Validate seamless interactions between WPBookit and Zoom API, Google Calendar, and WooCommerce.
  3. Performance Testing:
    • Load test to ensure the plugin can handle high booking volumes.
  4. Security Testing:
    • Ensure encrypted storage of API keys.
    • Test against common vulnerabilities like XSS, CSRF, and SQL injection.
  5. User Acceptance Testing (UAT):
    • Involve end-users to test the plugin in a real-world environment.

Deliverables:

  • Test Cases and Results.
  • Bug Reports and Resolutions.
  • UAT Sign-Off Document.

3.6 Deployment Phase

Objective: Deploy the plugin in a live environment.

Activities:

  1. Packaging:
    • Prepare the plugin for release with installation instructions.
  2. Final Testing:
    • Conduct tests on the production server to ensure compatibility.
  3. Release:
    • Publish the plugin on CodeCanyon and WordPress.org.
  4. Documentation:
    • Include a detailed user guide and technical documentation.

Deliverables:

  • Released Plugin Package.
  • Deployment Checklist.

3.7 Maintenance Phase

Objective: Ensure ongoing performance and feature enhancements post-deployment.

Activities:

  1. Bug Fixes:
    • Monitor and address issues reported by users.
  2. Feature Enhancements:
    • Add new features based on user feedback, like additional payment gateways.
  3. Compatibility Updates:
    • Regular updates for new WordPress and WooCommerce versions.
  4. Monitoring:
    • Monitor API usage and ensure compliance with third-party requirements.

Deliverables:

  • Maintenance Logs.
  • Periodic Update Releases.

4. Security Measures

  1. Authentication:
    • Use OAuth 2.0 for Zoom and payment gateway API connections.
  2. Encryption:
    • Secure API keys and sensitive data using industry-standard encryption.
  3. Compliance:
    • Ensure GDPR compliance for customer data storage.

5. Risk Management

  1. Identified Risks:
    • API rate limits affecting Zoom integration.
    • Potential plugin conflicts with other WordPress plugins.
  2. Mitigation Strategies:
    • Implement caching to minimize API calls.
    • Test with popular WordPress themes and plugins.

6. Documentation

  1. User Guide:
    • Setup instructions for the plugin and integrations.
  2. API Documentation:
    • Details on how the plugin interacts with Zoom and payment gateways.
  3. Release Notes:
    • A changelog for updates and fixes.

7. Conclusion

This SDLC ensures the WPBookit plugin is reliable, secure, and user-friendly. Following Agile principles enables continuous improvements to meet user demands and technology advancements.