133 lines
3.9 KiB
ABAP
133 lines
3.9 KiB
ABAP
CLASS {{p}}childcare_pricer DEFINITION PUBLIC FINAL CREATE PUBLIC.
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PUBLIC SECTION.
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TYPES ty_age_band TYPE c LENGTH 4.
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TYPES ty_reason TYPE c LENGTH 6.
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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_result,
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reason TYPE ty_reason,
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fee TYPE ty_amount,
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END OF ty_result.
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CONSTANTS:
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BEGIN OF c_reason,
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ok TYPE ty_reason VALUE 'OK',
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age TYPE ty_reason VALUE 'AGE',
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days TYPE ty_reason VALUE 'DAYS',
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END OF c_reason.
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METHODS calculate
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IMPORTING iv_age_months TYPE i
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iv_days TYPE i
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iv_full_day TYPE abap_bool
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iv_sibling TYPE abap_bool
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RETURNING VALUE(rs_result) TYPE ty_result.
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PRIVATE SECTION.
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TYPES:
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BEGIN OF ty_rate,
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band TYPE ty_age_band,
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full_day TYPE ty_amount,
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half_day TYPE ty_amount,
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END OF ty_rate,
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tt_rate TYPE HASHED TABLE OF ty_rate WITH UNIQUE KEY band.
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CONSTANTS:
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BEGIN OF c_band,
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baby TYPE ty_age_band VALUE 'BABY',
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todd TYPE ty_age_band VALUE 'TODD',
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pre TYPE ty_age_band VALUE 'PRE',
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END OF c_band.
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CONSTANTS:
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c_weeks_per_month TYPE p LENGTH 4 DECIMALS 3 VALUE '4.348',
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c_sibling_discount TYPE p LENGTH 4 DECIMALS 3 VALUE '0.900',
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c_max_fee TYPE ty_amount VALUE '1050.00'.
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METHODS rates
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RETURNING VALUE(rt_rate) TYPE tt_rate.
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METHODS age_band
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IMPORTING iv_age_months TYPE i
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RETURNING VALUE(rv_band) TYPE ty_age_band.
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METHODS daily_rate
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IMPORTING iv_band TYPE ty_age_band
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iv_full_day TYPE abap_bool
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RETURNING VALUE(rv_rate) TYPE ty_amount.
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METHODS monthly_fee
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IMPORTING iv_rate TYPE ty_amount
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iv_days TYPE i
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iv_sibling TYPE abap_bool
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RETURNING VALUE(rv_fee) TYPE ty_amount.
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ENDCLASS.
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CLASS {{p}}childcare_pricer IMPLEMENTATION.
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METHOD calculate.
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IF iv_age_months < 3 OR iv_age_months > 60.
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rs_result-reason = c_reason-age.
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RETURN.
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ENDIF.
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IF iv_days < 1 OR iv_days > 5.
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rs_result-reason = c_reason-days.
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RETURN.
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ENDIF.
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DATA(lv_rate) = daily_rate( iv_band = age_band( iv_age_months )
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iv_full_day = iv_full_day ).
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rs_result-fee = monthly_fee( iv_rate = lv_rate
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iv_days = iv_days
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iv_sibling = iv_sibling ).
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rs_result-reason = c_reason-ok.
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ENDMETHOD.
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METHOD rates.
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rt_rate = VALUE #( ( band = c_band-baby
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full_day = '62.00'
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half_day = '38.00' )
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( band = c_band-todd
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full_day = '54.00'
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half_day = '33.00' )
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( band = c_band-pre
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full_day = '46.00'
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half_day = '28.00' ) ).
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ENDMETHOD.
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METHOD age_band.
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IF iv_age_months < 12.
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rv_band = c_band-baby.
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ELSEIF iv_age_months < 36.
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rv_band = c_band-todd.
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ELSE.
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rv_band = c_band-pre.
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ENDIF.
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ENDMETHOD.
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METHOD daily_rate.
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DATA(lt_rate) = rates( ).
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ASSIGN lt_rate[ band = iv_band ] TO FIELD-SYMBOL(<ls_rate>).
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IF sy-subrc <> 0.
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RETURN.
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ENDIF.
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IF iv_full_day = abap_true.
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rv_rate = <ls_rate>-full_day.
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ELSE.
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rv_rate = <ls_rate>-half_day.
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ENDIF.
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ENDMETHOD.
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METHOD monthly_fee.
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DATA lv_gross TYPE p LENGTH 12 DECIMALS 5.
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DATA lv_fee TYPE ty_amount.
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lv_gross = iv_rate * iv_days * c_weeks_per_month.
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lv_fee = round( val = lv_gross dec = 2 ).
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IF iv_sibling <> abap_true.
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lv_gross = lv_fee * c_sibling_discount.
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lv_fee = round( val = lv_gross dec = 2 ).
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ENDIF.
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IF lv_fee > c_max_fee.
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lv_fee = c_max_fee.
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ENDIF.
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rv_fee = lv_fee.
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ENDMETHOD.
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ENDCLASS.
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