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base unit conversions

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This commit is contained in:
vabene1111
2023-03-15 17:30:23 +01:00
parent 27c5749b21
commit 6efe4ab08d
4 changed files with 92 additions and 29 deletions
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77
cookbook/helper/unit_conversion_helper.py
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@ -1,51 +1,70 @@
from pint import UnitRegistry, UndefinedUnitError
from pint import UnitRegistry, UndefinedUnitError, PintError
from cookbook.models import Ingredient, Unit
CONVERT_TO_UNITS = {
'metric': ['g', 'kg', 'ml', 'l'],
'us': ['ounce', 'pound', 'fluid_ounce', 'pint', 'quart', 'gallon'],
'uk': ['ounce', 'pound', 'imperial_fluid_ounce', 'imperial_pint', 'imperial_quart', 'imperial_gallon'],
}
def base_conversions(ingredient_list):
ingredient_list = [{'amount': 1, 'unit': 'g'}, {'amount': 1, 'unit': 'Gramm'}, {'amount': 1, 'unit': 'Stück'}]
ureg = UnitRegistry()
pint_converted_list = []
pint_converted_list = ingredient_list.copy()
for i in ingredient_list:
try:
pint_converted_list.append(ureg.Quantity(f'{i["amount"]} {i["unit"]}'))
except UndefinedUnitError:
conversion_unit = i.unit.name
if i.unit.base_unit:
conversion_unit = i.unit.base_unit
quantitiy = ureg.Quantity(f'{i.amount} {conversion_unit}')
for u in CONVERT_TO_UNITS['metric'] + CONVERT_TO_UNITS['us'] + CONVERT_TO_UNITS['uk']:
converted = quantitiy.to(u)
ingredient = Ingredient(amount=converted.m, unit=Unit(name=str(converted.units)), food=ingredient_list[0].food, )
if not any(x.unit.name == ingredient.unit.name for x in pint_converted_list):
pint_converted_list.append(ingredient)
except PintError:
pass
print(pint_converted_list)
return pint_converted_list
def get_conversions(amount, unit, food):
conversions = []
if unit:
for c in unit.unit_conversion_base_relation.all():
r = _uc_convert(c, amount, unit, food)
def get_conversions(ingredient):
conversions = [ingredient]
if ingredient.unit:
for c in ingredient.unit.unit_conversion_base_relation.all():
r = _uc_convert(c, ingredient.amount, ingredient.unit, ingredient.food)
if r not in conversions:
conversions.append(r)
for c in unit.unit_conversion_converted_relation.all():
r = _uc_convert(c, amount, unit, food)
for c in ingredient.unit.unit_conversion_converted_relation.all():
r = _uc_convert(c, ingredient.amount, ingredient.unit, ingredient.food)
if r not in conversions:
conversions.append(r)
conversions += base_conversions(conversions)
return conversions
def _uc_convert(uc, amount, unit, food):
if uc.food is None or uc.food == food:
if unit == uc.base_unit:
return {
'amount': amount * (uc.converted_amount / uc.base_amount),
'unit': {
'id': uc.converted_unit.id,
'name': uc.converted_unit.name,
'plural_name': uc.converted_unit.plural_name
},
}
return Ingredient(amount=amount * (uc.converted_amount / uc.base_amount), unit=uc.converted_unit, food=food)
# return {
# 'amount': amount * (uc.converted_amount / uc.base_amount),
# 'unit': {
# 'id': uc.converted_unit.id,
# 'name': uc.converted_unit.name,
# 'plural_name': uc.converted_unit.plural_name
# },
# }
else:
return {
'amount': amount * (uc.base_amount / uc.converted_amount),
'unit': {
'id': uc.base_unit.id,
'name': uc.base_unit.name,
'plural_name': uc.base_unit.plural_name
},
}
return Ingredient(amount=amount * (uc.base_amount / uc.converted_amount), unit=uc.base_unit, food=food)
# return {
# 'amount': amount * (uc.base_amount / uc.converted_amount),
# 'unit': {
# 'id': uc.base_unit.id,
# 'name': uc.base_unit.name,
# 'plural_name': uc.base_unit.plural_name
# },
# }