39769afce8
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat
55 lines
2.2 KiB
Markdown
55 lines
2.2 KiB
Markdown
# 1. Goal
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Calculate the price of one firing in a pottery kiln. The kiln booking program calls
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the calculation before it confirms a booking. The program needs one price for each
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booking.
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# 2. Open questions
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None.
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# 3. Context
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- The interface {{P}}IF_KILN_PRICE exists in package $TMP. It is active.
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- The interface has the types TY_CLAY (2 characters), TY_WEIGHT (packed, length 6,
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decimals 2) and TY_PRICE (packed, length 8, decimals 2).
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- The interface has one method:
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CALCULATE_PRICE
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IMPORTING iv_pieces TYPE i
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iv_weight TYPE ty_weight
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iv_clay TYPE ty_clay
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iv_glaze TYPE abap_bool
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iv_member TYPE abap_bool
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RETURNING VALUE(rv_price) TYPE ty_price.
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iv_pieces is the number of pieces. iv_weight is the weight in kilograms.
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iv_glaze is 'X' when the customer books a glaze firing. iv_member is 'X' when
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the customer is a member.
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- The kiln booking program calls the method for each booking. The customer can
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leave the clay type empty when the booking is created. The customer chooses the
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clay type later.
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# 4. Contract
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- Create the class {{P}}KILN_PRICER in package $TMP.
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- The class is public, final, and has a public constructor without parameters.
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- The class implements {{P}}IF_KILN_PRICE.
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- Do not add other public methods.
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# 5. Business rules
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The price is in euro. Apply the rules in this sequence.
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1. Base fee: 40.00 for each firing.
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2. Piece fee: 12.00 for each piece.
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3. Weight surcharge: 3.00 for each kilogram of the weight that is above 10 kg.
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A weight of 10 kg or less gives no surcharge.
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4. Clay factor: multiply the sum of rules 1 to 3 by the factor of the chosen clay
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type: EA 1.00, ST 1.20, PO 1.50.
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5. Glaze firing: add 25.00 when the customer books a glaze firing.
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6. Member discount: subtract 15 per cent when the customer is a member.
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7. Round the result to two decimals. Round half up.
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# 6. Constraints
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- Release target: SAP_BASIS 816 (ABAP Platform 2025).
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- Coding standards: Clean ABAP. Method length below 40 statements. No global
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variables. No comment that restates the code.
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- Out of scope: do not change {{P}}IF_KILN_PRICE.
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# 7. Acceptance
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- The class is active and has no syntax error.
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- Write your own ABAP Unit tests for the class.
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