Hi,
I am trying to write a request Tracking system using the following
models (Re-ordered and some fields removed for clarity)
class Request(models.Model):
packages=models.ManyToManyField(Package)
class Package(models.Model):
product=models.ForeignKey(Product)
components=models.ManyToManyField(ComponentVersion)
class Product(models.Model):
name=models.CharField(max_length=60)
required_components=models.ManyToManyField(Component)
class Component(models.Model):
name=models.CharField(max_length=60)
class ComponentVersion(models.Model):
component=models.ForeignKey(Component)
version=models.PositiveIntegerField()
I need to present an interface where the user first creates a request
by selecting 1 or more Packages (done) and is then presented with a
page containing a series of dropdowns allowing them to chose the
ComponentVersions for the packages' products grouped by their
component.
At the moment I have got a set of queries which gives me a list of
querysets for the relevant ComponentVersions. I was looking at having
a ModelChoiceField for each of these and constructing the form
dynamically but this is messy to validate. Is there an easier/cleaner
method of doing this?
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