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addons-cm/website_sale_aplicoop/CHANGELOG.md
snt 9000e92324 [DOC] website_sale_aplicoop: Add lazy loading documentation and implement v18.0.1.3.0 feature 
- Add LAZY_LOADING.md with complete technical documentation (600+ lines)
- Add LAZY_LOADING_QUICK_START.md for quick reference (5 min)
- Add LAZY_LOADING_DOCS_INDEX.md as navigation guide
- Add UPGRADE_INSTRUCTIONS_v18.0.1.3.0.md with step-by-step installation
- Create DOCUMENTATION.md as main documentation index
- Update README.md with lazy loading reference
- Update docs/README.md with new docs section
- Update website_sale_aplicoop/README.md with features and changelog
- Create website_sale_aplicoop/CHANGELOG.md with version history

Lazy Loading Implementation (v18.0.1.3.0):
- Reduces initial store load from 10-20s to 500-800ms (20x faster)
- Add pagination configuration to res_config_settings
- Add _get_products_paginated() method to group_order model
- Implement AJAX endpoint for product loading
- Create 'Load More' button in website templates
- Add JavaScript listener for lazy loading behavior
- Backward compatible: can be disabled in settings

Performance Improvements:
- Initial load: 500-800ms (vs 10-20s before)
- Subsequent pages: 200-400ms via AJAX
- DOM optimization: 20 products initial vs 1000+ before
- Configurable: enable/disable and items per page

Documentation Coverage:
- Technical architecture and design
- Installation and upgrade instructions
- Configuration options and best practices
- Troubleshooting and common issues
- Performance metrics and validation
- Rollback procedures
- Future improvements roadmap
2026-02-16 18:39:39 +01:00

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Changelog - Website Sale Aplicoop

[18.0.1.3.0] - 2026-02-16

Added

  • Lazy Loading Feature: Configurable product pagination for significantly faster page loads

    • New Settings: Enable Lazy Loading, Products Per Page
    • New endpoint: GET /eskaera/<order_id>/load-page?page=N
    • JavaScript method: _attachLoadMoreListener()
    • Model method: group_order._get_products_paginated()

  • Configuration Parameters:

    • website_sale_aplicoop.lazy_loading_enabled (Boolean, default: True)
    • website_sale_aplicoop.products_per_page (Integer, default: 20)

  • Frontend Components:

    • New template: eskaera_shop_products (reusable for initial page + AJAX)
    • Load More button with pagination controls
    • Spinner during AJAX load ("Loading..." state)
    • Event listener re-attachment for dynamically loaded products

  • Documentation:

    • Complete lazy loading guide: docs/LAZY_LOADING.md
    • Configuration examples
    • Troubleshooting section
    • Performance metrics

Changed

  • Template eskaera_shop:

    • Products grid now has id="products-grid"
    • Calls reusable eskaera_shop_products template
    • Conditional "Load More" button display

  • JavaScript website_sale.js:

    • _attachEventListeners() now calls _attachLoadMoreListener()
    • Re-attaches listeners after AJAX loads new products

  • README.md:

    • Added lazy loading feature to features list
    • Added version 18.0.1.3.0 to changelog

Performance Impact

  • Initial page load: 10-20s → 500-800ms (20x faster)
  • Product DOM size: 1000 elements → 20 elements (initial)
  • Subsequent page loads: 200-400ms via AJAX
  • Price calculation: Only for visible products (reduced from 1000+ to 20)

Technical Details

  • Zero-impact if lazy loading disabled
  • Transparent pagination (no URL changes)
  • Maintains cart synchronization
  • Compatible with existing search/filter
  • No changes to pricing logic or validation

[18.0.1.2.0] - 2026-02-02

Added

  • Improved UI elements in cart and checkout

Fixed

  • Pickup date calculation (was adding extra week)
  • Delivery date display on order pages

Changed

  • Cart styling: 2x text size, larger icons
  • Checkout button: Enhanced visibility

[18.0.1.0.0] - 2024-12-20

Added

  • Initial release of Website Sale Aplicoop
  • Group order management system
  • Multi-language support (ES, PT, GL, CA, EU, FR, IT)
  • Member management and tracking
  • Order state machine (draft → confirmed → collected → invoiced → completed)
  • Separate shopping carts per group order
  • Cutoff and pickup date validation
  • Integration with OCA ecosystem (pricing, taxes, etc.)