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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Markdown

# 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.)