138 lines
4.5 KiB
ABAP
138 lines
4.5 KiB
ABAP
CLASS {{p}}climb_pricer DEFINITION PUBLIC FINAL CREATE PUBLIC.
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PUBLIC SECTION.
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TYPES ty_entry TYPE c LENGTH 1.
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TYPES ty_amount TYPE p LENGTH 8 DECIMALS 2.
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TYPES:
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BEGIN OF ty_session,
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entry_type TYPE ty_entry,
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hours TYPE i,
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climbers TYPE i,
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equipment TYPE abap_bool,
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member TYPE abap_bool,
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visits TYPE i,
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END OF ty_session.
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TYPES:
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BEGIN OF ty_result,
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base TYPE ty_amount,
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surcharge TYPE ty_amount,
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discount TYPE ty_amount,
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total TYPE ty_amount,
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message TYPE string,
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END OF ty_result.
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METHODS price
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IMPORTING is_session TYPE ty_session
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RETURNING VALUE(rs_result) TYPE ty_result.
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PRIVATE SECTION.
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CONSTANTS:
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BEGIN OF c_entry,
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adult TYPE ty_entry VALUE 'A',
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youth TYPE ty_entry VALUE 'Y',
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family TYPE ty_entry VALUE 'F',
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END OF c_entry.
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CONSTANTS:
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BEGIN OF c_message,
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unknown_entry TYPE string VALUE 'UNKNOWN ENTRY TYPE',
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invalid_hours TYPE string VALUE 'INVALID HOURS',
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invalid_climbers TYPE string VALUE 'INVALID CLIMBERS',
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END OF c_message.
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CONSTANTS:
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c_min_hours TYPE i VALUE 1,
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c_max_hours TYPE i VALUE 6,
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c_min_climbers TYPE i VALUE 1,
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c_max_climbers TYPE i VALUE 10,
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c_group_size TYPE i VALUE 6,
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c_group_fee TYPE ty_amount VALUE '15.00',
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c_equipment_fee TYPE ty_amount VALUE '4.00',
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c_top_visits TYPE i VALUE 10,
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c_mid_visits TYPE i VALUE 3,
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c_member_percent TYPE i VALUE 15,
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c_top_percent TYPE i VALUE 20,
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c_mid_percent TYPE i VALUE 5,
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c_percent TYPE i VALUE 100,
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c_rate_adult TYPE ty_amount VALUE '9.00',
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c_rate_youth TYPE ty_amount VALUE '6.00',
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c_rate_family TYPE ty_amount VALUE '7.00'.
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METHODS check_session
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IMPORTING is_session TYPE ty_session
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RETURNING VALUE(rv_message) TYPE string.
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METHODS hourly_rate
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IMPORTING is_session TYPE ty_session
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RETURNING VALUE(rv_rate) TYPE ty_amount.
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METHODS base_price
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IMPORTING is_session TYPE ty_session
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RETURNING VALUE(rv_base) TYPE ty_amount.
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METHODS extra_charge
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IMPORTING is_session TYPE ty_session
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RETURNING VALUE(rv_surcharge) TYPE ty_amount.
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METHODS rebate
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IMPORTING iv_gross TYPE ty_amount
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is_session TYPE ty_session
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RETURNING VALUE(rv_discount) TYPE ty_amount.
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ENDCLASS.
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CLASS {{p}}climb_pricer IMPLEMENTATION.
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METHOD price.
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DATA(lv_message) = check_session( is_session ).
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IF lv_message IS NOT INITIAL.
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rs_result-message = lv_message.
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RETURN.
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ENDIF.
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rs_result-base = base_price( is_session ).
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rs_result-surcharge = extra_charge( is_session ).
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DATA lv_gross TYPE ty_amount.
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lv_gross = rs_result-base + rs_result-surcharge.
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rs_result-discount = rebate( iv_gross = lv_gross is_session = is_session ).
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rs_result-total = lv_gross - rs_result-discount.
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ENDMETHOD.
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METHOD check_session.
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IF is_session-entry_type <> c_entry-adult
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AND is_session-entry_type <> c_entry-youth
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AND is_session-entry_type <> c_entry-family.
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rv_message = c_message-unknown_entry.
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ELSEIF is_session-hours < c_min_hours OR is_session-hours > c_max_hours.
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rv_message = c_message-invalid_hours.
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ELSEIF is_session-climbers < c_min_climbers OR is_session-climbers > c_max_climbers.
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rv_message = c_message-invalid_climbers.
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ENDIF.
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ENDMETHOD.
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METHOD hourly_rate.
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CASE is_session-entry_type.
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WHEN c_entry-adult.
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rv_rate = c_rate_adult.
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WHEN c_entry-youth.
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rv_rate = c_rate_youth.
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WHEN OTHERS.
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rv_rate = c_rate_family.
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ENDCASE.
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ENDMETHOD.
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METHOD base_price.
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rv_base = is_session-hours * hourly_rate( is_session ) * is_session-climbers.
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ENDMETHOD.
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METHOD extra_charge.
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IF is_session-equipment = abap_true.
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rv_surcharge = is_session-climbers * c_equipment_fee.
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ENDIF.
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IF is_session-climbers >= c_group_size.
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rv_surcharge = rv_surcharge + c_group_fee.
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ENDIF.
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ENDMETHOD.
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METHOD rebate.
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IF is_session-member <> abap_true.
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rv_discount = iv_gross * c_member_percent / c_percent.
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ELSEIF is_session-visits >= c_top_visits.
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rv_discount = iv_gross * c_top_percent / c_percent.
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ELSEIF is_session-visits >= c_mid_visits.
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rv_discount = iv_gross * c_mid_percent / c_percent.
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ENDIF.
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ENDMETHOD.
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ENDCLASS.
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