[IMP] purchase_triple_discount: when purchase line created from seller, sets discount2 and discount3

[dreispt]

Co-authored-by: ae-landoo [email protected]
Co-authored-by: legalsylvain [email protected]

#1615 rebased to solve issues in earlier merge attempts.

[dreispt]

/ocabot merge patch

[OCA-git-bot]

This PR looks fantastic, let's merge it!
Prepared branch 15.0-ocabot-merge-pr-2406-by-dreispt-bump-patch, awaiting test results.

[OCA-git-bot]

@dreispt your merge command was aborted due to failed check(s), which you can inspect on this commit of 15.0-ocabot-merge-pr-2406-by-dreispt-bump-patch.

After fixing the problem, you can re-issue a merge command. Please refrain from merging manually as it will most probably make the target branch red.

[StefanRijnhart]

The error is related to this module

2024-09-14 17:26:43,266 669 ERROR odoo odoo.addons.sale_purchase_force_vendor.tests.test_sale_purchase_force_vendor: ERROR: TestSalePurchaseForceVendor.test_misc
Traceback (most recent call last):
  File "/__w/purchase-workflow/purchase-workflow/sale_purchase_force_vendor/tests/test_sale_purchase_force_vendor.py", line 11, in test_misc
    self.sale_order.action_confirm()
  File "/opt/odoo/addons/sale/models/sale_order.py", line 1003, in action_confirm
    self.with_context(context)._action_confirm()
  File "/opt/odoo/addons/sale_stock/models/sale_order.py", line 149, in _action_confirm
    self.order_line._action_launch_stock_rule()
  File "/opt/odoo/addons/sale_stock/models/sale_order.py", line 607, in _action_launch_stock_rule
    procurement_group.run(procurements)
  File "/opt/odoo/addons/purchase_stock/models/stock.py", line 365, in run
    return super().run(procurements, raise_user_error=raise_user_error)
  File "/opt/odoo-venv/lib/python3.8/site-packages/odoo/addons/stock_procurement_group_hook/hooks.py", line 62, in run_new
    getattr(self.env["stock.rule"], "_run_%s" % action)(procurements)
  File "/opt/odoo/addons/stock/models/stock_rule.py", line 269, in _run_pull
    moves._action_confirm()
  File "/opt/odoo/addons/stock/models/stock_move.py", line 1291, in _action_confirm
    self.env['procurement.group'].run(procurement_requests, raise_user_error=not self.env.context.get('from_orderpoint'))
  File "/opt/odoo/addons/purchase_stock/models/stock.py", line 365, in run
    return super().run(procurements, raise_user_error=raise_user_error)
  File "/opt/odoo-venv/lib/python3.8/site-packages/odoo/addons/stock_procurement_group_hook/hooks.py", line 62, in run_new
    getattr(self.env["stock.rule"], "_run_%s" % action)(procurements)
  File "/__w/purchase-workflow/purchase-workflow/purchase_requisition_grouped_by_procurement/models/stock_rule.py", line 13, in _run_buy
    return super(StockRule, _self)._run_buy(procurements=procurements)
  File "/__w/purchase-workflow/purchase-workflow/purchase_request/models/stock_rule.py", line 92, in _run_buy
    return super(StockRule, self)._run_buy(procurements)
  File "/__w/purchase-workflow/purchase-workflow/purchase_representative/models/stock_rule.py", line 13, in _run_buy
    return super()._run_buy(procurements)
  File "/__w/purchase-workflow/purchase-workflow/procurement_purchase_no_grouping/models/stock_rule.py", line 22, in _run_buy
    return super()._run_buy(procurements)
  File "/__w/purchase-workflow/purchase-workflow/sale_purchase_secondary_unit/models/stock_rule.py", line 28, in _run_buy
    return super(
  File "/opt/odoo/addons/purchase_requisition_stock/models/stock.py", line 25, in _run_buy
    return super(StockRule, self)._run_buy(other_procurements)
  File "/opt/odoo/addons/purchase_stock/models/stock_rule.py", line 155, in _run_buy
    po_line_values.append(self.env['purchase.order.line']._prepare_purchase_order_line_from_procurement(
  File "/__w/purchase-workflow/purchase-workflow/sale_purchase_secondary_unit/models/purchase_order_line.py", line 39, in _prepare_purchase_order_line_from_procurement
    res = super()._prepare_purchase_order_line_from_procurement(
  File "/__w/purchase-workflow/purchase-workflow/purchase_stock_secondary_unit/models/purchase_order_line.py", line 64, in _prepare_purchase_order_line_from_procurement
    res = super()._prepare_purchase_order_line_from_procurement(
  File "/opt/odoo/addons/purchase_stock/models/purchase.py", line 564, in _prepare_purchase_order_line_from_procurement
    res = self._prepare_purchase_order_line(product_id, product_qty, product_uom, company_id, supplier, po)
  File "/__w/purchase-workflow/purchase-workflow/purchase_discount/models/purchase_order.py", line 104, in _prepare_purchase_order_line
    res.update(self._prepare_purchase_order_line_from_seller(seller))
TypeError: 'NoneType' object is not iterable