[Erp5-dev] Price change on delivery, TargetSolver and rule property divergence tester

[Łukasz Nowak]

Hello,

On 2008-01-17, 11:02:23
Alexandre Boeglin <alex at nexedi.com> wrote:

> Le mercredi 16 janvier 2008 à 15:57 +0100, Łukasz Nowak a écrit :
> > Hello,
> 
> Hi,
> 
> >  1) Is there any guide to do such modification more Nexedish way
> > (there is such need in our case)?
> 
> Currently, the available documentation is at:
> 
> http://www.erp5.org/Discussion/SimulationRules
> http://www.erp5.org/Discussion/SimulationRules/DivergenceSolvers

Well known to me (not always understood ;) ).

> >  2) What other tools such I use to achieve same goal?
> 
> Currently in the default business template configuration, the list of
> solvers is hardcoded (in causality workflows and
> PackingList_viewSolveActionsDialog).
> This is ok as long as you use only a few solvers.
> But if you start to add more and more solvers, you might want to link
> for instance a price related solver with a price related divergence
> tester, and when solving a delivery, apply the solver(s) returned by
> the getDivergenceList() method.

Hm. For now I'm minimalistic with playing with Simulations - they are
still to cryptic for me, and available documentation is not covering
many aspects - maybe some day I'll provide our users nicer interface.

> >  3) If not (1) and and len(2) == 0 is my modification (assuming full
> > implementation related test coverage) safe enough?
> 
> What you did was good, you could also have created a new Target Solver
> to handle your pricing issue (inheriting from CopyToTarget)
> 
> To make a new Solver effective from a different Product, you have to
> import it like this:
> 
> 8< - - - -
> from Products.ERP5 import TargetSolver
> import sys
> import MyNewSolver
> 
> TargetSolver.MyNewSolver = MyNewSolver
> sys.modules['Products.ERP5.TargetSolver.MyNewSolver'] \
>     = MyNewSolver
> 8< - - - -

Good to know, that I done something right (it is very important
psychological issue for me ;) ).

Thanks for great importing tip (less patch-o-matic in system).

> Regards,
> Alex

Regards,
Luke

-- 
Łukasz Nowak R&D Ventis http://www.ventis.com.pl/
tel: +48 32 768 16 85 fax: +48 32 392 10 61
``Use the Source, Luke...'' I am only craftsman.