Group orders are not confirmed until the cutoff date, so draft/sent
sale.order lines never generate stock.moves and are invisible to
virtual_available. This change makes the shop aware of that demand.
- group.order._compute_draft_sale_demand: queries sale.order.line in
draft/sent state (mirroring sale_stock forecasted report logic) and
returns pending demand per product.id in the product's own UoM.
- _get_products_for_group_order: delegates to new _apply_stock_filter_and_sort
which excludes storable products whose forecasted net qty
(virtual_available − draft demand) <= 0, unless allow_out_of_stock_order.
- _compute_stock_ribbons: reads draft_demand_by_product from ORM context
so is_out_of_stock / is_low_stock / dynamic_ribbon_id reflect net qty.
- Controller: new _prepare_draft_stock_data helper calculates demand once
per request, injects context, and builds product_max_qty dict. Applied
in eskaera_shop, load_eskaera_page and load_products_ajax.
- Template: qty input gets max and data-max-qty from product_max_qty.
- JS: blocks add-to-cart if requested quantity exceeds data-max-qty.
- Fixes type check: type=='consu' → is_storable=True (Odoo 18 semantics).
- 21 new tests in test_forecasted_stock.py covering demand calculation,
ribbon logic with context, and group order filtering.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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