⚠️Limitations of Discount engine (v1)

Order of Logic (AND/OR):

The style of logical modelling supported by the Rule builder is formally defined as CNF (Conjunctive Normal Form) notation.

1. Limitation: The rule builder only supports OR logic horizontally within the same group and AND logic vertically between different condition groups. This means you cannot mix AND and OR logic vertically.

   1. Example of Supported Config: Rule 1 OR Rule AND Rule 3 OR Rule 4 OR Rule 5 AND Rule 6

   2. Example of Unsupported Config: Rule 1 AND Rule 2 OR Rule 3 AND Rule 4 OR Rule 5 AND Rule 6

2. Solution: Simplify your expressions by restructuring the rules to fit the supported configuration. If you have a complex condition that mixes AND and OR logic, try to break it down into simpler, nested rule groups that align with the AND/OR structure. This might involve creating additional rules that capture intermediate conditions, or rethinking how you combine rules to achieve the desired outcome.

If you need to express logic that is not using the CNF notation, you can easily convert your logic using a online tool like dcode.br to convert from any unsupported notation to the standard form (reference). If this does not address your problem, feel free to reach out to us with your custom need!

We have also released the ability to invert and / or logic (Invert Logical Operation) for higher flexibility when designing your programmes.

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