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add food substitutions

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This commit is contained in:
Chris Scoggins
2022-02-03 15:04:46 -06:00
parent 5e3f94fcf7
commit 6ef25b604b
19 changed files with 322 additions and 49 deletions
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8
cookbook/models.py
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@ -488,6 +488,7 @@ class Unit(ExportModelOperationsMixin('unit'), models.Model, PermissionModelMixi
class Food(ExportModelOperationsMixin('food'), TreeModel, PermissionModelMixin):
# TODO when savings a food as substitute children - assume children and descednats are also substitutes for siblings
# exclude fields not implemented yet
inheritable_fields = FoodInheritField.objects.exclude(field__in=['diet', 'substitute', 'substitute_children', 'substitute_siblings'])
@ -501,6 +502,9 @@ class Food(ExportModelOperationsMixin('food'), TreeModel, PermissionModelMixin):
onhand_users = models.ManyToManyField(User, blank=True)
description = models.TextField(default='', blank=True)
inherit_fields = models.ManyToManyField(FoodInheritField, blank=True)
substitute = models.ManyToManyField("self", blank=True)
substitute_siblings = models.BooleanField(default=False)
substitute_children = models.BooleanField(default=False)
space = models.ForeignKey(Space, on_delete=models.CASCADE)
objects = ScopedManager(space='space', _manager_class=TreeManager)
@ -560,9 +564,9 @@ class Food(ExportModelOperationsMixin('food'), TreeModel, PermissionModelMixin):
class Ingredient(ExportModelOperationsMixin('ingredient'), models.Model, PermissionModelMixin):
# a pre-delete signal on Food checks if the Ingredient is part of a Step, if it is raises a ProtectedError instead of cascading the delete
# delete method on Food and Unit checks if they are part of a Recipe, if it is raises a ProtectedError instead of cascading the delete
food = models.ForeignKey(Food, on_delete=models.CASCADE, null=True, blank=True)
unit = models.ForeignKey(Unit, on_delete=models.PROTECT, null=True, blank=True)
unit = models.ForeignKey(Unit, on_delete=models.SET_NULL, null=True, blank=True)
amount = models.DecimalField(default=0, decimal_places=16, max_digits=32)
note = models.CharField(max_length=256, null=True, blank=True)
is_header = models.BooleanField(default=False)