I've got a system with three main tables, say "offices", "commercial
spaces" and "industrial properties". Many of their features, like the
type of glass of their windows, need to come from a catalog, so I have
a base class like:
class SimpleNameCatalog(models.Model):
name = models.CharField()
class Meta:
abstract = True
And a bunch of subclasses like:
class GlassType(SimpleNameCatalog):
pass
And add foreign keys from the three main tables to GlassType.
However, now I need separate glass types for each of "offices",
"commercial spaces" and "industrial properties". ¿How should I
implemente this?
Right now I'm using:
class GlassTypeOffice(SimpleNameCatalog):
pass
class GlassTypeIndustrialProperty(SimpleNameCatalog):
pass
class GlassTypeCommercialSpace(SimpleNameCatalog):
pass
for each catalog property, but it seems silly and exceedingly verbose.
Should I add a "type" field to SimpleNameCatalog and filter by that? I
don't like that option very much because I want to keep the separate
catalogs distinct in the admin interface.
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