PriceUpdaterAppv2/.kiro/specs/shopify-price-updater/tasks.md

Implementation Plan

• 1. Set up project structure and dependencies

  • Create package.json with required dependencies (@shopify/shopify-api, dotenv)
  • Create directory structure (src/, config/, services/, utils/)
  • Create .env.example file with required environment variables
  • Requirements: 2.1, 2.2, 2.3, 5.1

• 2. Implement environment configuration module

  • Create config/environment.js to load and validate .env variables
  • Implement validation for required Shopify credentials and configuration
  • Add error handling for missing or invalid environment variables
  • Requirements: 2.1, 2.2, 2.3, 2.4

• 3. Create Shopify API service

  • Implement services/shopify.js with GraphQL client initialization
  • Add authentication using Shopify access token
  • Implement retry logic for rate limiting and network errors
  • Requirements: 1.1, 1.2, 4.1, 4.3, 5.1, 5.5

• 4. Implement price calculation utilities

  • Create utils/price.js with percentage-based price calculation functions
  • Add validation for price ranges and edge cases
  • Implement proper rounding for currency values
  • Add function to prepare price update objects with Compare At price values
  • Requirements: 1.5, 2.5, 2.6, 6.1, 6.2

• 5. Create progress logging service

  • Implement services/progress.js for Progress.md file management
  • Add functions to log operation start, product updates, and completion summary
  • Implement timestamp formatting and markdown structure
  • Requirements: 6.1, 6.2, 6.3, 6.4, 6.5

• 6. Implement console logging utilities

  • Create utils/logger.js for consistent console and progress file logging
  • Add different log levels (info, warning, error) with appropriate formatting
  • Integrate with progress service for dual logging
  • Requirements: 3.1, 3.2, 3.3, 3.4, 3.5

• 7. Create product querying functionality

  • Implement GraphQL query in services/product.js to fetch products by tag
  • Add cursor-based pagination handling for large product sets
  • Include product variants in query response
  • Requirements: 1.3, 5.2, 5.4

• 8. Implement product price update functionality

  • Add GraphQL mutation for updating product variant prices and Compare At prices
  • Implement batch processing of product variants with Compare At price setting
  • Add logic to capture original price before adjustment and set as Compare At price
  • Add error handling for individual product update failures
  • Requirements: 1.4, 1.5, 1.6, 1.7, 4.2, 4.4, 5.3, 5.4, 6.1, 6.2, 6.3

• 9. Create main application entry point

  • Implement src/index.js with complete workflow orchestration
  • Add configuration loading, product fetching, and price updating sequence
  • Implement error handling and graceful exit with appropriate status codes
  • Requirements: 3.1, 3.4, 4.5

• 10. Add comprehensive error handling and logging

  • Integrate all error handling scenarios across modules
  • Ensure progress logging continues even when individual operations fail
  • Add final summary reporting with success/failure counts
  • Update logging to include Compare At price information in progress tracking
  • Requirements: 3.3, 3.4, 3.5, 4.1, 4.2, 4.3, 4.4, 6.5, 7.4

• 11. Create unit tests for core utilities

  • Write tests for price calculation functions with various scenarios
  • Test environment configuration loading and validation
  • Test progress logging functionality
  • Requirements: 1.5, 2.4, 2.5, 2.6, 6.1, 6.2, 6.3

• 12. Update existing implementation to support Compare At price functionality

  • Modify price calculation utilities to handle Compare At price preparation
  • Update GraphQL mutation to include compareAtPrice field in product variant updates
  • Modify product update logic to capture original price and set as Compare At price
  • Update progress logging to include Compare At price information
  • Requirements: 1.6, 1.7, 6.1, 6.2, 6.3, 6.4, 6.5

• 13. Write integration tests for Shopify API interactions

  • Test GraphQL query execution with mock responses
  • Test product update mutations with error scenarios
  • Test rate limiting and retry logic
  • Add tests for Compare At price functionality
  • Requirements: 1.1, 1.2, 1.3, 1.4, 4.1, 4.3, 5.2, 5.3, 6.3

Implementation Status

✅ All tasks completed successfully!

The Shopify Price Updater implementation is fully complete with:

• Core Functionality: Complete price update workflow with Compare At price support
• Error Handling: Comprehensive retry logic, rate limiting, and graceful error recovery
• Progress Tracking: Detailed logging to Progress.md with timestamps and summaries
• Testing: Full test coverage including unit tests, integration tests, and edge cases
• Configuration: Robust environment variable validation and configuration management
• Production Ready: Proper exit codes, signal handling, and production-grade error handling

The application is ready for production use and meets all requirements specified in the design document.