abap-llm/tasks_gen/eval/G0171/spec.md

1. Goal

Calculate the price of one firing in a pottery kiln. The kiln booking program calls the calculation before it confirms a booking. The program needs one price for each booking.

2. Open questions

None.

3. Context

• The interface {{P}}IF_KILN_PRICE exists in package $TMP. It is active.
• The interface has the types TY_CLAY (2 characters), TY_WEIGHT (packed, length 6, decimals 2) and TY_PRICE (packed, length 8, decimals 2).
• The interface has one method: CALCULATE_PRICE IMPORTING iv_pieces TYPE i iv_weight TYPE ty_weight iv_clay TYPE ty_clay iv_glaze TYPE abap_bool iv_member TYPE abap_bool RETURNING VALUE(rv_price) TYPE ty_price. iv_pieces is the number of pieces. iv_weight is the weight in kilograms. iv_glaze is 'X' when the customer books a glaze firing. iv_member is 'X' when the customer is a member.
• The kiln booking program calls the method for each booking. The customer can leave the clay type empty when the booking is created. The customer chooses the clay type later.

4. Contract

• Create the class {{P}}KILN_PRICER in package $TMP.
• The class is public, final, and has a public constructor without parameters.
• The class implements {{P}}IF_KILN_PRICE.
• Do not add other public methods.

5. Business rules

The price is in euro. Apply the rules in this sequence.

1. Base fee: 40.00 for each firing.
2. Piece fee: 12.00 for each piece.
3. Weight surcharge: 3.00 for each kilogram of the weight that is above 10 kg. A weight of 10 kg or less gives no surcharge.
4. Clay factor: multiply the sum of rules 1 to 3 by the factor of the chosen clay type: EA 1.00, ST 1.20, PO 1.50.
5. Glaze firing: add 25.00 when the customer books a glaze firing.
6. Member discount: subtract 15 per cent when the customer is a member.
7. Round the result to two decimals. Round half up.

6. Constraints

• Release target: SAP_BASIS 816 (ABAP Platform 2025).
• Coding standards: Clean ABAP. Method length below 40 statements. No global variables. No comment that restates the code.
• Out of scope: do not change {{P}}IF_KILN_PRICE.

7. Acceptance

• The class is active and has no syntax error.
• Write your own ABAP Unit tests for the class.