WooCommerce Conditional Discount on Cart

Contributors: Vijay Prakash Mahato
Tags: wordpress, woocommerce, discount, cart, conditional, accessories
Requires at least: 6.8.1
Tested up to: 6.4
Requires PHP: 7.4
Stable tag: 0.0.1

Automatically applies 15% discount when cart contains accessories products and total is ₹2000 or more. and show discount message on top of cart table

Plugin Demo Video

16-12-33.mp4

Description

WooCommerce Conditional Discount is a lightweight plugin that automatically applies a 15% discount to your WooCommerce cart when specific conditions are met:

Key Features:

• Automatic discount application (no coupon codes needed)
• Non-intrusive implementation (works with existing coupons)
• Clear messaging to customers about discount status
• Responsive design with attractive styling

Condition to apply discount:

• Cart contains at least one product from the "Accessories" category
• Total cart value is ₹2000 or more

How it works:

1. Customer adds products to cart
2. Plugin checks if conditions are met
3. If conditions are satisfied, 15% discount is automatically applied
4. Customer sees confirmation message and discount amount on cart page

Installation

Requirement to Install this Plugin on Wordpress:

1. Must have woo commerce plugin to be install

How to install in wordpress:

1. Download the plugin ZIP file or Clone it from this repo
2. Log in to your WordPress admin dashboard
3. Navigate to Plugins > Install Plugins > Add Plugin
4. Click "Upload Plugin" button
5. Choose the ZIP file and click "Install Now"
6. Activate the plugin

Requirements:

• WordPress 6.8.1 or higher
• WooCommerce 9.9.5 or higher
• PHP 7.4 or higher

Setup Instructions

1. Create Accessories Category

1. Go to Products > Categories in your WordPress admin
2. Create a category named "Accessories"

2. Add Products to Accessories Category

1. Edit your accessory products
2. Assign them to the "Accessories" category
3. Save the products

3. Test the Plugin

1. Add an accessories product to cart
2. Add other products to reach ₹2000 total
3. Visit cart page to see the discount applied

Assumptions Made

Category Recognition:

• Plugin looks for categories with slugs: "accessories"
• Category matching is case-insensitive
• Plugin checks product categories, not variations

Currency:

• Plugin assumes Indian Rupees (₹) as primary currency
• Minimum amount check is ₹2000

Discount Calculation:

• 15% discount is calculated on cart subtotal (before taxes/shipping)
• Discount is applied as a negative fee
• Does not interfere with existing coupons or other discounts

Compatibility:

• Designed for standard WooCommerce installations
• Compatible with most themes and plugins
• Uses WooCommerce hooks and filters

Frequently Asked Questions

Q: Does this plugin interfere with existing coupons? A: No, the plugin applies discount as a fee, not a coupon, so it works alongside existing coupons.

Q: Can I change the discount percentage? A: Yes, modify the value 0.15 in the code (line with $discount_amount = $cart_total * 0.15;)

Q: Can I change the minimum cart amount? A: Yes, modify the value 2000 in the condition check (line with if ($cart_total < 2000))

Q: What if my accessories category has a different name? A: Edit the $accessories_slugs array in the add_custom_message_before_cart() and wcd_apply_conditional_discount() function

Q: Does it work with variable products? A: Yes, the plugin checks the main product categories for variations

Q: Can I customize the discount message? A: Yes, modify the text in the $discount_message variable

Technical Details

Plugin Architecture:

• Uses procedural PHP (no OOP)
• Implements WooCommerce hooks and filters
• Session-independent (recalculates on each page load)

Key Functions:

• wcd_apply_conditional_discount() - Main discount logic
• wcd_display_discount_message() - Shows customer messages

Hooks Used:

• woocommerce_cart_calculate_fees - Applies discount
• render_block_woocommerce/cart - Shows cart messages

Security Features:

• Prevents direct file access
• Sanitizes all outputs
• Uses WordPress/WooCommerce best practices

Troubleshooting

Discount not applying:

1. Ensure WooCommerce is active
2. Check if products are in "Accessories" category
3. Verify cart total is ₹2000 or more
4. Check for plugin conflicts

Message not showing:

1. Clear any caching plugins
2. Check theme compatibility
3. Ensure you're on cart pages

Category not recognized:

1. Check category slug (should be "accessories" or similar)
2. Verify products are properly categorized
3. Check for typos in category names

Changelog

= 0.0.1 =

• Initial release
• Automatic 15% discount for accessories + ₹2000 minimum
• Customer messaging system
• WooCommerce compatibility

Upgrade Notice

= 0.0.1 = Initial release of WooCommerce Conditional Discount plugin.

Development Notes

Code Structure:

• Single file plugin for simplicity
• All functions prefixed with wcd_ to avoid conflicts
• Follows WordPress coding standards

Customization Options:

• Easy to modify discount percentage
• Simple to change minimum amount
• Category names easily configurable
• Messages can be customized

Performance Considerations:

• Lightweight implementation
• Minimal database queries
• Efficient category checking
• No external dependencies

Support

For support, feature requests, or bug reports, please contact me vijayprakashmh@gmail.com.

Plugin Information:

• Version: 0.0.1
• Tested with: WooCommerce 9.9.5, WordPress 6.8.1
• License: MIT License