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merge units in shopping list using conversions

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This commit is contained in:
Michael Genson
2026-02-21 22:25:53 +00:00
parent be92363538
commit 6cd7cdff77
1 changed files with 24 additions and 2 deletions
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26
mealie/services/household_services/shopping_lists.py
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@@ -28,6 +28,7 @@ from mealie.schema.recipe.recipe_ingredient import (
)
from mealie.schema.response.pagination import OrderDirection, PaginationQuery
from mealie.services.parser_services._base import DataMatcher
from mealie.services.parser_services.parser_utils import UnitConverter, merge_quantity_and_unit
class ShoppingListService:
@@ -50,11 +51,21 @@ class ShoppingListService:
item1.checked,
item2.checked,
item1.food_id != item2.food_id,
item1.unit_id != item2.unit_id,
]
):
return False
# check if units match or if they're compatable
if item1.unit_id != item2.unit_id:
if not (item1.unit and item1.unit.standard_unit):
return False
if not (item2.unit and item2.unit.standard_unit):
return False
uc = UnitConverter()
if not uc.can_convert(item1.unit.standard_unit, item2.unit.standard_unit):
return False
# if foods match, we can merge, otherwise compare the notes
return bool(item1.food_id) or item1.note == item2.note
@@ -69,7 +80,18 @@ class ShoppingListService:
Attributes of the `to_item` take priority over the `from_item`, except extras with overlapping keys
"""
to_item.quantity += from_item.quantity
if to_item.unit and to_item.unit.standard_unit and from_item.unit and from_item.unit.standard_unit:
merged_qty, merged_unit = merge_quantity_and_unit(
from_item.quantity or 0, from_item.unit, to_item.quantity or 0, to_item.unit
)
to_item.quantity = merged_qty
to_item.unit_id = merged_unit.id
to_item.unit = merged_unit
else:
# No conversion needed, just sum the quantities
to_item.quantity += from_item.quantity
if to_item.note != from_item.note:
to_item.note = " | ".join([note for note in [to_item.note, from_item.note] if note])