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fix: correct asset daily depr schedule calculation [dev] #36993

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merged 1 commit into from
Sep 6, 2023
Merged

fix: correct asset daily depr schedule calculation [dev] #36993

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24 changes: 12 additions & 12 deletions erpnext/assets/doctype/asset/test_asset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -768,18 +768,18 @@ def test_schedule_for_straight_line_method_with_daily_depreciation(self):
)

expected_schedules = [
["2023-01-31", 1019.18, 1019.18],
["2023-02-28", 920.55, 1939.73],
["2023-03-31", 1019.18, 2958.91],
["2023-04-30", 986.3, 3945.21],
["2023-05-31", 1019.18, 4964.39],
["2023-06-30", 986.3, 5950.69],
["2023-07-31", 1019.18, 6969.87],
["2023-08-31", 1019.18, 7989.05],
["2023-09-30", 986.3, 8975.35],
["2023-10-31", 1019.18, 9994.53],
["2023-11-30", 986.3, 10980.83],
["2023-12-31", 1019.17, 12000.0],
["2023-01-31", 1021.98, 1021.98],
["2023-02-28", 923.08, 1945.06],
["2023-03-31", 1021.98, 2967.04],
["2023-04-30", 989.01, 3956.05],
["2023-05-31", 1021.98, 4978.03],
["2023-06-30", 989.01, 5967.04],
["2023-07-31", 1021.98, 6989.02],
["2023-08-31", 1021.98, 8011.0],
["2023-09-30", 989.01, 9000.01],
["2023-10-31", 1021.98, 10021.99],
["2023-11-30", 989.01, 11011.0],
["2023-12-31", 989.0, 12000.0],
]

schedules = [
Expand Down
76 changes: 51 additions & 25 deletions erpnext/assets/doctype/asset_depreciation_schedule/asset_depreciation_schedule.py
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Original file line number Diff line number Diff line change
Expand Up @@ -577,26 +577,41 @@ def get_straight_line_or_manual_depr_amount(
daily_depr_amount = (
flt(row.value_after_depreciation) - flt(row.expected_value_after_useful_life)
) / date_diff(
add_months(
row.depreciation_start_date,
flt(row.total_number_of_depreciations - asset.number_of_depreciations_booked)
* row.frequency_of_depreciation,
),
add_months(
row.depreciation_start_date,
flt(
row.total_number_of_depreciations
- asset.number_of_depreciations_booked
- number_of_pending_depreciations
get_last_day(
add_months(
row.depreciation_start_date,
flt(row.total_number_of_depreciations - asset.number_of_depreciations_booked - 1)
* row.frequency_of_depreciation,
)
* row.frequency_of_depreciation,
),
add_days(
get_last_day(
add_months(
row.depreciation_start_date,
flt(
row.total_number_of_depreciations
- asset.number_of_depreciations_booked
- number_of_pending_depreciations
- 1
)
* row.frequency_of_depreciation,
)
),
1,
),
)

to_date = get_last_day(
add_months(row.depreciation_start_date, schedule_idx * row.frequency_of_depreciation)
)
to_date = add_months(row.depreciation_start_date, schedule_idx * row.frequency_of_depreciation)
from_date = add_months(
row.depreciation_start_date, (schedule_idx - 1) * row.frequency_of_depreciation
from_date = add_days(
get_last_day(
add_months(row.depreciation_start_date, (schedule_idx - 1) * row.frequency_of_depreciation)
),
1,
)
return daily_depr_amount * date_diff(to_date, from_date)

return daily_depr_amount * (date_diff(to_date, from_date) + 1)
else:
return (
flt(row.value_after_depreciation) - flt(row.expected_value_after_useful_life)
Expand All @@ -609,18 +624,29 @@ def get_straight_line_or_manual_depr_amount(
- flt(asset.opening_accumulated_depreciation)
- flt(row.expected_value_after_useful_life)
) / date_diff(
add_months(
row.depreciation_start_date,
flt(row.total_number_of_depreciations - asset.number_of_depreciations_booked)
* row.frequency_of_depreciation,
get_last_day(
add_months(
row.depreciation_start_date,
flt(row.total_number_of_depreciations - asset.number_of_depreciations_booked - 1)
* row.frequency_of_depreciation,
)
),
add_days(
get_last_day(add_months(row.depreciation_start_date, -1 * row.frequency_of_depreciation)), 1
),
row.depreciation_start_date,
)
to_date = add_months(row.depreciation_start_date, schedule_idx * row.frequency_of_depreciation)
from_date = add_months(
row.depreciation_start_date, (schedule_idx - 1) * row.frequency_of_depreciation

to_date = get_last_day(
add_months(row.depreciation_start_date, schedule_idx * row.frequency_of_depreciation)
)
from_date = add_days(
get_last_day(
add_months(row.depreciation_start_date, (schedule_idx - 1) * row.frequency_of_depreciation)
),
1,
)
return daily_depr_amount * date_diff(to_date, from_date)

return daily_depr_amount * (date_diff(to_date, from_date) + 1)
else:
return (
flt(asset.gross_purchase_amount)
Expand Down
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