111 lines
3.9 KiB
ABAP
111 lines
3.9 KiB
ABAP
CLASS {{p}}air_freight_pricer DEFINITION PUBLIC FINAL CREATE PUBLIC.
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PUBLIC SECTION.
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INTERFACES {{p}}if_air_freight.
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PRIVATE SECTION.
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CONSTANTS:
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c_volume_divisor TYPE i VALUE 6000,
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c_max_weight TYPE {{p}}if_air_freight=>ty_weight VALUE '3000',
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c_dangerous_rate TYPE p LENGTH 5 DECIMALS 4 VALUE '0.4000',
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c_fuel_rate TYPE p LENGTH 5 DECIMALS 4 VALUE '0.1200',
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c_security_fee TYPE {{p}}if_air_freight=>ty_amount VALUE '15.00'.
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TYPES ty_rate TYPE p LENGTH 7 DECIMALS 2.
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METHODS check_input
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IMPORTING iv_weight TYPE {{p}}if_air_freight=>ty_weight
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iv_volume TYPE {{p}}if_air_freight=>ty_volume
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iv_category TYPE {{p}}if_air_freight=>ty_category
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RETURNING VALUE(rv_reason) TYPE {{p}}if_air_freight=>ty_reason.
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METHODS chargeable_weight
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IMPORTING iv_weight TYPE {{p}}if_air_freight=>ty_weight
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iv_volume TYPE {{p}}if_air_freight=>ty_volume
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RETURNING VALUE(rv_weight) TYPE {{p}}if_air_freight=>ty_weight.
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METHODS base_rate
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IMPORTING iv_weight TYPE {{p}}if_air_freight=>ty_weight
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RETURNING VALUE(rv_rate) TYPE ty_rate.
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METHODS category_factor
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IMPORTING iv_category TYPE {{p}}if_air_freight=>ty_category
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RETURNING VALUE(rv_factor) TYPE ty_rate.
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ENDCLASS.
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CLASS {{p}}air_freight_pricer IMPLEMENTATION.
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METHOD {{p}}if_air_freight~price.
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rs_result-reason = check_input( iv_weight = iv_weight
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iv_volume = iv_volume
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iv_category = iv_category ).
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IF rs_result-reason <> {{p}}if_air_freight=>c_reason-ok.
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RETURN.
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ENDIF.
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rs_result-chargeable_weight = chargeable_weight( iv_weight = iv_weight
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iv_volume = iv_volume ).
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IF rs_result-chargeable_weight > c_max_weight.
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CLEAR rs_result.
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rs_result-reason = {{p}}if_air_freight=>c_reason-too_heavy.
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RETURN.
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ENDIF.
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rs_result-freight = rs_result-chargeable_weight * base_rate( rs_result-chargeable_weight )
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* category_factor( iv_category ).
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IF iv_dangerous = abap_true.
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rs_result-dangerous_fee = rs_result-freight * c_dangerous_rate.
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ENDIF.
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rs_result-fuel_fee = ( rs_result-freight + rs_result-dangerous_fee ) * c_fuel_rate.
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rs_result-security_fee = c_security_fee.
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rs_result-total_amount = rs_result-freight + rs_result-dangerous_fee
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+ rs_result-fuel_fee + rs_result-security_fee.
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rs_result-reason = {{p}}if_air_freight=>c_reason-ok.
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ENDMETHOD.
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METHOD check_input.
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IF iv_weight <= 0.
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rv_reason = {{p}}if_air_freight=>c_reason-bad_weight.
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ELSEIF iv_volume <= 0.
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rv_reason = {{p}}if_air_freight=>c_reason-bad_volume.
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ELSEIF iv_category <> {{p}}if_air_freight=>c_category-general
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AND iv_category <> {{p}}if_air_freight=>c_category-perishable
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AND iv_category <> {{p}}if_air_freight=>c_category-valuable.
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rv_reason = {{p}}if_air_freight=>c_reason-bad_category.
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ELSE.
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rv_reason = {{p}}if_air_freight=>c_reason-ok.
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ENDIF.
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ENDMETHOD.
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METHOD chargeable_weight.
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DATA lv_volumetric TYPE {{p}}if_air_freight=>ty_weight.
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DATA lv_gross TYPE {{p}}if_air_freight=>ty_weight.
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lv_volumetric = iv_volume / c_volume_divisor.
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lv_gross = nmax( val1 = iv_weight val2 = lv_volumetric ).
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rv_weight = ceil( lv_gross ).
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ENDMETHOD.
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METHOD base_rate.
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IF iv_weight <= 45.
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rv_rate = '9.00'.
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ELSEIF iv_weight <= 100.
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rv_rate = '7.20'.
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ELSEIF iv_weight <= 500.
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rv_rate = '5.60'.
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ELSE.
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rv_rate = '4.30'.
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ENDIF.
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ENDMETHOD.
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METHOD category_factor.
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CASE iv_category.
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WHEN {{p}}if_air_freight=>c_category-perishable.
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rv_factor = '1.25'.
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WHEN {{p}}if_air_freight=>c_category-valuable.
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rv_factor = '1.50'.
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WHEN OTHERS.
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rv_factor = '1.00'.
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ENDCASE.
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ENDMETHOD.
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ENDCLASS.
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