ben/product_inventory
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product_inventory/MEMORY.md
Ben Miller 50ddfc9e15 Feature: Robust Google Photos Integration & Media Hardening 
- Implemented Google Photos Picker with Session API.
- Fixed 403 Forbidden errors by adding OAuth headers to download requests.
- Implemented MediaHandler resilience:
  - 3-Step Import (Save to Root -> Verify Folder -> Move).
  - Advanced Drive API Fallback (v3/v2) for file creation.
  - Blob Sanitization (Utilities.newBlob) to fix server errors.
- Enabled Advanced Drive Service in ppsscript.json.
- Updated Documentation (MEMORY.md, ARCHITECTURE.md) with findings.
2025-12-26 01:51:04 -07:00

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Project Memory

Project Context

This project (product_inventory) integrates Google Sheets with Shopify. It serves as a master inventory management tool where users edit product data in a Google Sheet, and scripts automatically sync those changes to Shopify.

Critical Components:

  • Google Apps Script: Runs the logic.
  • "vars" Sheet: Holds all configuration and API keys. NEVER hardcode credentials.
  • Shopify Admin API: Used for syncing. REST for Orders, GraphQL for Products.

Work Patterns & Agreements

  1. Documentation First: Before implementing complex features, we update the plan and often the documentation (README/ARCHITECTURE).
  2. Safety First: We use SafeToAutoRun: false for commands that deploy or modify external state until verified.
  3. Strict Typing: We use TypeScript. No any unless absolutely necessary (and even then, we try to avoid it).
  4. TDD: We follow Test Driven Development (Red/Green/Refactor). Write failing tests before implementing features.
  5. Artifact Usage: We use task.md, implementation_plan.md, and walkthrough.md to track state.

Key Technical Decisions

  • Queue System: We implemented onEditQueue.ts to batch edits. This prevents hitting Shopify API rate limits and Google Apps Script execution limits during rapid manual edits.
  • Hybrid API: We use REST for retrieving Orders (legacy/easier for flat data) and GraphQL for Products (more efficient/flexible).
  • Global Exports: Functions in src/global.ts are explicitly exposed to be callable by Apps Script triggers.

User Preferences

  • OS: Windows.
  • Shell: PowerShell.
  • Node Manager: fnm. 28: 29: ## Integrated Media Manager 30: We implemented a "Sidebar-First" architecture for product media (Option 2): 31: - Frontend: MediaSidebar.html uses Glassmorphism CSS and Client-Side Polling to detect SKU changes. 32: - Google Picker: Integrated via picker.js using an API Key and OAuth Token passed securely from backend. 33: - Drive as Source of Truth: All uploads go to Drive first (Folder structure: Root/SKU/Files). 34: - Shopify Sync: MediaService orchestrates the complex Staged Uploads -> Create Media mutation flow. 35: - Security: appsscript.json requires explicit scopes for userinfo.email (Picker), drive (Files), and drive (Advanced Service). API Keys are stored in vars sheet, never hardcoded.

Media Handling Quirks

  • Google Photos Picker:
    • The baseUrl returned by the Picker API is hidden inside mediaFile.baseUrl (not top-level).
    • Downloading this URL requires an Authorization header with the script's OAuth token, or it returns 403.
    • DriveApp.createFile(blob) is fragile with blobs from UrlFetchApp. We use a 2-step fallback:
      1. Sanitize with Utilities.newBlob().
      2. Fallback to Advanced Drive Service (Drive.Files.create / v3) if standard creation fails.