- Update README with margin_type field documentation
- Add detailed explanations for both calculation methods:
* Markup (on cost): PVP = Cost × (1 + markup%)
* Commercial Margin (on PVP): PVP = Cost / (1 - margin%)
- Add examples comparing both methods
- Update features list with new capabilities
- Update configuration steps to include margin_type selector
- Update technical details with new field specifications
- Update test coverage section (11 tests)
- Add logging examples for both methods
- Update changelog with v18.0.1.1.0 release notes
- Bump version to 18.0.1.1.0 in __manifest__.py
- Update summary to reflect new features
- Add use_total_margin field to pricelist items
- Override _compute_price() to sum margins additively instead of compounding
- Support chained pricelists with custom base types (last_purchase_price)
- Add global minimum and maximum margin limits configuration
- Store limits in ir.config_parameter via res.config.settings
- Apply global limits after total margin calculation
- Add comprehensive test suite (9 tests) covering:
* Basic additive vs compound margin behavior
* Three-level pricelist chains
* Global minimum/maximum margin enforcement
* Rounding and surcharge compatibility
- Add configuration UI in Settings > Sales
- All tests passing (9/9)
This module fixes the issue where chained pricelists were compounding margins
instead of calculating total margins. Example: base 4.68€ with -5% and +25%
now correctly results in 5.616€ (20% total) instead of 5.56€ (compound).
