from django.contrib.contenttypes.models import ContentType
from django.http import Http404
from django.shortcuts import get_object_or_404
from django.urls import include, path, register_converter
from rest_framework import routers
from apis_core.generic import api_views, views
from .abc import GenericModel
app_name = "generic"
[docs]
class ContenttypeConverter:
"""
A converter that converts from a string representation of a
model (`app_label.model`) to the actual Django model class.
"""
regex = r"\w+\.\w+"
[docs]
def to_python(self, value):
app_label, model = value.split(".")
contenttype = get_object_or_404(ContentType, app_label=app_label, model=model)
if issubclass(contenttype.model_class(), GenericModel):
return contenttype
raise Http404
[docs]
def to_url(self, value):
if isinstance(value, ContentType):
return f"{value.app_label}.{value.model}"
if isinstance(value, str):
return value
register_converter(ContenttypeConverter, "contenttype")
router = routers.DefaultRouter()
router.register(r"", api_views.ModelViewSet, basename="genericmodelapi")
urlpatterns = [
path("overview/", views.Overview.as_view(), name="overview"),
path(
"<contenttype:contenttype>/",
include(
[
path("", views.List.as_view(), name="list"),
path("<int:pk>", views.Detail.as_view(), name="detail"),
path("create", views.Create.as_view(), name="create"),
path("delete/<int:pk>", views.Delete.as_view(), name="delete"),
path("update/<int:pk>", views.Update.as_view(), name="update"),
path("autocomplete", views.Autocomplete.as_view(), name="autocomplete"),
path("import", views.Import.as_view(), name="import"),
path(
"autocomplete/externalonly",
views.Autocomplete.as_view(),
{"external_only": True},
name="autocompleteexternalonly",
),
]
),
),
path("api/<contenttype:contenttype>/", include(router.urls)),
]