I don't think this bug report describes a valid use case, if I
understand it correctly. The main reason is that the sentence "This
means cost price in all product form are now USD costs." is incorrect.
The default cost price and list price of any product are always meant to
be expressed in the currency of the company, and the average price
calculation is based on that currency and nothing else. This is one of
the reasons why OpenERP does not yet support sharing products between
companies, especially in case of average costing.
The price types are not meant to be used to change the semantics/currency of
the "list price" and "cost price" fields of all products. That would be
strange, dangerous, and make existing values suddenly wrong - a bit like
changing a company's currency. The price type are exclusively designed to be
used for pricelist calculations - and the currency should only be relevant for
multi-company cases or extra/custom price fields.
You could have "Cost Price USD" and "Cost Price EUR" price types and use them
appropriately in your USD-based and EUR-based companies. But the average cost
of each product should always be expressed in the currency of the owner company!
Trying to change this to allow a flawed use case can only lead to more hidden
problem and inconsistencies down the road, in my opinion.
For example, your test and patch only consider the first price type based on
"standard_price", but there could be many and there is no way to say which one
is relevant for a product/company, because that's not their purpose...?
** Changed in: openobject-addons
Importance: Medium => Undecided
** Changed in: openobject-addons
Status: Fix Committed => Incomplete
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https://bugs.launchpad.net/bugs/1238525
Title:
[7.0] Wrong average cost computation when price type currency is
different from company currency
Status in OpenERP Community Backports (Addons):
Fix Committed
Status in OpenERP Addons (modules):
Incomplete
Bug description:
Test done with :
http://7-0-22302.runbot.openerp.com/?db=7-0-22302-base
Prerequisites
----------------------
* Install Warehouse management & Purchase
* Go to setting / Configuaration / Purchases and activate 'Manage pricelist
per supplier' & 'Compute product cost price based on average cost'
* Go to setting / Configuration / Invoicing and activate 'Allow
multi-currency'
* Give the Admin user the Technical Features rights and Financial Manager
* The company is in EUR
* Go to Purchases / Configuration / Pricelists / Price Types
* Modify the currency of the Price type 'Cost Price' to : USD
(This means cost price in all product form are now USD costs.)
* Ensure the current rate of USD is : 1.528900
* Ensure the cost of product 'USB Adapter' is 13.00 and current Qty in
inventory is : 0
How to reproduce the bug ?
------------------------------------------------
* Create a new Supplier quotation to ASUStek with product 'USB Adapter' – Qty
: 1 – Change the unit price to 20.(This quotation is in EUR)
* Confirm Order
* Receive Products effectively
* Go to Product form and see that the Cost price is 20 → WRONG
EXPECTED : it should be 20€ * 1.528900 = 30.58 $ since my price type is in
USD.
Thanks
Frederic Clementi
Camptocamp SA
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