125 lines
3.7 KiB
ABAP
125 lines
3.7 KiB
ABAP
CLASS {{p}}crane_hire_calc DEFINITION PUBLIC FINAL CREATE PUBLIC.
|
|
PUBLIC SECTION.
|
|
INTERFACES {{p}}if_crane_hire.
|
|
|
|
PRIVATE SECTION.
|
|
CONSTANTS:
|
|
c_min_radius TYPE i VALUE 5,
|
|
c_max_radius TYPE i VALUE 60,
|
|
c_min_load TYPE i VALUE 500,
|
|
c_permit_fee TYPE i VALUE 250,
|
|
c_min_fee TYPE i VALUE 300,
|
|
c_radius_rate TYPE i VALUE 15,
|
|
c_load_rate TYPE i VALUE 5.
|
|
|
|
TYPES:
|
|
BEGIN OF ty_band,
|
|
radius_max TYPE i,
|
|
max_load TYPE i,
|
|
END OF ty_band,
|
|
tt_band TYPE STANDARD TABLE OF ty_band WITH EMPTY KEY.
|
|
|
|
METHODS validate
|
|
IMPORTING iv_radius_m TYPE i
|
|
iv_load_kg TYPE i
|
|
iv_ground TYPE string
|
|
RETURNING VALUE(rv_reason) TYPE {{p}}if_crane_hire=>ty_reason.
|
|
METHODS max_load
|
|
IMPORTING iv_radius_m TYPE i
|
|
RETURNING VALUE(rv_load) TYPE i.
|
|
METHODS load_chart
|
|
RETURNING VALUE(rt_band) TYPE tt_band.
|
|
METHODS ground_factor
|
|
IMPORTING iv_ground TYPE string
|
|
RETURNING VALUE(rv_percent) TYPE i.
|
|
METHODS normalize_ground
|
|
IMPORTING iv_ground TYPE string
|
|
RETURNING VALUE(rv_ground) TYPE string.
|
|
METHODS apply_percent
|
|
IMPORTING iv_value TYPE i
|
|
iv_percent TYPE i
|
|
RETURNING VALUE(rv_value) TYPE i.
|
|
ENDCLASS.
|
|
|
|
|
|
CLASS {{p}}crane_hire_calc IMPLEMENTATION.
|
|
METHOD {{p}}if_crane_hire~hire.
|
|
DATA(lv_reason) = validate( iv_radius_m = iv_radius_m
|
|
iv_load_kg = iv_load_kg
|
|
iv_ground = iv_ground ).
|
|
IF lv_reason <> {{p}}if_crane_hire=>c_reason-ok.
|
|
rs_result = VALUE #( reason = lv_reason fee = 0 ).
|
|
RETURN.
|
|
ENDIF.
|
|
|
|
DATA(lv_base) = iv_radius_m * c_radius_rate + ( iv_load_kg DIV 100 ) * c_load_rate.
|
|
DATA(lv_fee) = apply_percent( iv_value = lv_base
|
|
iv_percent = ground_factor( iv_ground ) ).
|
|
IF iv_permit <> abap_true.
|
|
lv_fee = lv_fee + c_permit_fee.
|
|
ENDIF.
|
|
IF lv_fee < c_min_fee.
|
|
lv_fee = c_min_fee.
|
|
ENDIF.
|
|
|
|
rs_result = VALUE #( reason = {{p}}if_crane_hire=>c_reason-ok fee = lv_fee ).
|
|
ENDMETHOD.
|
|
|
|
METHOD validate.
|
|
IF iv_radius_m < c_min_radius OR iv_radius_m > c_max_radius.
|
|
rv_reason = {{p}}if_crane_hire=>c_reason-radius.
|
|
RETURN.
|
|
ENDIF.
|
|
IF iv_load_kg < c_min_load.
|
|
rv_reason = {{p}}if_crane_hire=>c_reason-load.
|
|
RETURN.
|
|
ENDIF.
|
|
IF iv_load_kg > max_load( iv_radius_m ).
|
|
rv_reason = {{p}}if_crane_hire=>c_reason-capacity.
|
|
RETURN.
|
|
ENDIF.
|
|
IF ground_factor( iv_ground ) = 0.
|
|
rv_reason = {{p}}if_crane_hire=>c_reason-ground.
|
|
RETURN.
|
|
ENDIF.
|
|
rv_reason = {{p}}if_crane_hire=>c_reason-ok.
|
|
ENDMETHOD.
|
|
|
|
METHOD max_load.
|
|
DATA(lt_band) = load_chart( ).
|
|
LOOP AT lt_band INTO DATA(ls_band).
|
|
IF iv_radius_m <= ls_band-radius_max.
|
|
rv_load = ls_band-max_load.
|
|
RETURN.
|
|
ENDIF.
|
|
ENDLOOP.
|
|
ENDMETHOD.
|
|
|
|
METHOD load_chart.
|
|
rt_band = VALUE #( ( radius_max = 10 max_load = 12000 )
|
|
( radius_max = 20 max_load = 8000 )
|
|
( radius_max = 30 max_load = 5000 )
|
|
( radius_max = 45 max_load = 3000 )
|
|
( radius_max = 60 max_load = 1500 ) ).
|
|
ENDMETHOD.
|
|
|
|
METHOD ground_factor.
|
|
CASE normalize_ground( iv_ground ).
|
|
WHEN 'ROAD'.
|
|
rv_percent = 100.
|
|
WHEN 'GRAVEL'.
|
|
rv_percent = 115.
|
|
WHEN 'SOIL'.
|
|
rv_percent = 135.
|
|
ENDCASE.
|
|
ENDMETHOD.
|
|
|
|
METHOD normalize_ground.
|
|
rv_ground = to_upper( condense( iv_ground ) ).
|
|
ENDMETHOD.
|
|
|
|
METHOD apply_percent.
|
|
rv_value = ( iv_value * iv_percent + 50 ) DIV 100.
|
|
ENDMETHOD.
|
|
ENDCLASS.
|