Am Sonntag, 19. November 2017, 14:06:58 CET schrieb Cédric Krier: > On 2017-11-19 13:28, Axel Braun wrote: > > Am Samstag, 18. November 2017, 23:04:46 CET schrieb Cédric Krier: > > > On 2017-11-18 22:37, Christophe (.net) wrote: > > > > Le 11/11/2017 à 11:18, Cédric Krier a écrit : > > > > > I want to be clear about the design. It was done with the idea to > > > > > apply on a set of line only one promotion. This way promotion does > > > > > not > > > > > accumulate (there is a unique field 'promotion' on sale line). > > > > > I think we could maybe change the test to decide line by line if the > > > > > promotion applied instead of having a unique test on all lines. > > > > > > > > > > But the decision is to decide how to apply such kind of promotions: > > > > > - 15% if quantity of product is greater than 10kg. > > > > > - 10% for products of category "Fruits". > > I think I must clearly write how those percentages will be encoded in > the module: > > -15%: unit_price * 0.85 > -10%: unit_price * 0.9 > > > > > > So now we have a sale with: > > > > > - 5kg of potatoes at 10€/kg > > > > > - 5kg of apples at 15€/kg > > > > > - 3u of melons at 20€/u > > > > > > > > > > Should the sale be: > > > > > > > > > > A) > > > > > > > > > > - potatoes: 8.5€/kg > > > > > - apples: 13.5€/kg > > > > > - melons: 18€/u > > > > > > > > > > B) > > > > > > > > > > - potatoes: 8.5€/kg > > > > > - apples: 12.75€/kg > > > > > - melons: 18€/u > > > > > > > > > > C) > > > > > > > > > > - potatoes: 8.5€/kg > > > > > - apples: 12.75€/kg > > > > > - melons: 20€/u > > > > > > > > > > For now, we have option C implemented, but maybe we should implement > > > > > B. > > > > > > > > For case B, if it is sold 15kg of apples you think to apply both > > > > promotions at once? > > > > > > I do not understand the question. In the example of case B, both > > > promotions are already applied. > > > > But why? apples is less than 10kg, so only 10% for category 'fruits' > > should > > apply. > > 5kg of apples + 5kg of potatoes = 10kg of product.
In this case the rebate is not on item, but on header (order) level, as the criteria '15% if quantity of product is greater than 10kg' is fulfilled for the overall order. 15% should than apply additionally on the order. > > In general one would expect that all matching conditions are applied. So > > if > > 15kg apples are sold, I would expect to see 11,25€/kg. > > The module formula are based by default on the sale price so the > promotions are not cumulative. Non cumulative promotion is the most > common practice as far as I have seen. But it is possible to add other > base price for computation which may include previous promotions. > Such case the formula would be written: > > current_price - (unit_price * 0.15) Yes, I'm just learning (in my current project) how create business can be in defining rebates - 160 different conditions..... Cheers Axel -- You received this message because you are subscribed to the Google Groups "tryton" group. To view this discussion on the web visit https://groups.google.com/d/msgid/tryton/1717145.RYTmCLxVjs%40t520.axxite.internal.
