As part of the application process, you’ve been requested to complete the following challenge.

If you have any questions please respond to hire@launchandsell.com.

Task Overview

Task: Develop a Custom WordPress Plugin

Objective: WooCommerce Subscriptions Delivery Date Feature

Create a simple plugin that adds a “Delivery Date” field to both simple and variable subscription products. This field will allow admins to set a recurring delivery date (e.g., the 3rd day of every week or 1st day of every month). The next 3 recurring dates should be displayed on the product page in a drop-down menu. The selected date should be displayed and editable in the cart page.

You can find the WooCommerce Subscriptions plugin here: DOWNLOAD

Requirements

1. Add Delivery Date Field:
   • Add a new field called “Delivery Date” in the product editor for simple subscription products and each variation of variable subscription products.
   • The field should allow admins/shop managers to choose a recurring period (e.g., every 3rd day of every week, or every 1st day of every month, or 6th day of every month). These are only examples, it needs to be a flexible robust field.
2. Display Recurring Dates:
   • Calculate and display the next three recurring dates in a drop-down field on the product page.
3. Cart:
   • Display the selected delivery date in the cart.
   • Allow customers to change the delivery date in the cart page and select from the same three dates previously calculated.
4. Bonus feature – Checkout (optional):
   • Display the selected delivery date in the checkout page.
   • Allow customers to change the delivery date in the checkout page and select from the same three dates previously calculated.

Instructions

1. Backend Development:
   • Use PHP to add the new field to the WooCommerce Subscription product editor 
   • Ensure the new field is saved upon product update.
   • Write the function to calculate the dates based on the set recurring period.
   • Ensure the selected date on the product page is passed to the cart

2. Frontend Development:
   • Use PHP and JavaScript/jQuery to display the recurring dates on the product page.
   • Use PHP and JavaScript/jQuery to ensure the selected date is editable in the cart page.

Additional Guidelines:

• Ensure to properly escape, sanitize, and validate data in each step as appropriate using built in PHP and WordPress functions.
• Ensure all user facing strings/text are translatable.
• The code you submit should not be built with/by/from nor use boilerplate templates/libraries/code.
• Use modern PHP approaches/architecture (example: OOP, autoloading, PSR4, Composer, etc).
• Your submission should be a fully functional WordPress plugin meeting the requirements listed above.
• Do not rush! Your code will be used to gauge your abilities and your attention to detail (one of our core values).