inventree/InvenTree
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Added admin view, improved validation of part related relationship

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This commit is contained in:
eeintech
2020-10-16 15:29:58 -05:00
parent 34e4409e7f
commit 0b26d68d0f
6 changed files with 66 additions and 10 deletions
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36
InvenTree/part/models.py
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@ -1754,16 +1754,18 @@ class BomItem(models.Model):
class PartRelated(models.Model):
""" Store and handle related parts (eg. mating connector, crimps, etc.) """
part_1 = models.ForeignKey(Part, related_name='related_parts_1', on_delete=models.DO_NOTHING)
part_1 = models.ForeignKey(Part, related_name='related_parts_1',
on_delete=models.DO_NOTHING)
part_2 = models.ForeignKey(Part, related_name='related_parts_2', on_delete=models.DO_NOTHING,
help_text=_('Choose Related Part'))
part_2 = models.ForeignKey(Part, related_name='related_parts_2',
on_delete=models.DO_NOTHING,
help_text=_('Select Related Part'))
def __str__(self):
return f'{self.part_1} <-> {self.part_2}'
return f'{self.part_1} <--> {self.part_2}'
def create_relationship(self, part_1, part_2):
''' Create relationship between two parts '''
def validate(self, part_1, part_2):
''' Validate that the two parts relationship is unique '''
validate = True
@ -1771,15 +1773,35 @@ class PartRelated(models.Model):
related_parts = PartRelated.objects.all()
# Check if part exist and there are not the same part
if (part_1 in parts and part_2 in parts) and (part_1 is not part_2):
if (part_1 in parts and part_2 in parts) and (part_1.pk != part_2.pk):
# Check if relation exists already
for relation in related_parts:
if (part_1 == relation.part_1 and part_2 == relation.part_2) \
or (part_1 == relation.part_2 and part_2 == relation.part_1):
validate = False
break
else:
validate = False
return validate
def clean(self):
''' Overwrite clean method to check that relation is unique '''
validate = self.validate(self.part_1, self.part_2)
if not validate:
error_message = _('Error creating relationship: check that '
'the part is not related to itself '
'and that the relationship is unique')
raise ValidationError(error_message)
def create_relationship(self, part_1, part_2):
''' Create relationship between two parts '''
validate = self.validate(part_1, part_2)
if validate:
# Add relationship
self.part_1 = part_1