Revert "*: providers and sources -> channels, PolicyModel to PolicyBindingModel that uses custom M2M through"

This reverts commit 7ed3ceb960.

passbook/providers/oidc/models.py

@@ -0,0 +1,55 @@
+"""oidc models"""
+from typing import Optional
+
+from django.db import models
+from django.http import HttpRequest
+from django.shortcuts import reverse
+from django.utils.translation import gettext as _
+from oidc_provider.models import Client
+
+from passbook.core.models import Provider
+from passbook.lib.utils.template import render_to_string
+
+
+class OpenIDProvider(Provider):
+    """Proxy model for OIDC Client"""
+
+    # Since oidc_provider doesn't currently support swappable models
+    # (https://github.com/juanifioren/django-oidc-provider/pull/305)
+    # we have a 1:1 relationship, and update oidc_client when the form is saved.
+
+    oidc_client = models.OneToOneField(Client, on_delete=models.CASCADE)
+
+    form = "passbook.providers.oidc.forms.OIDCProviderForm"
+
+    @property
+    def name(self):
+        """Name property for UI"""
+        return self.oidc_client.name
+
+    def __str__(self):
+        return "OpenID Connect Provider %s" % self.oidc_client.__str__()
+
+    def html_setup_urls(self, request: HttpRequest) -> Optional[str]:
+        """return template and context modal with URLs for authorize, token, openid-config, etc"""
+        return render_to_string(
+            "oidc_provider/setup_url_modal.html",
+            {
+                "provider": self,
+                "authorize": request.build_absolute_uri(
+                    reverse("oidc_provider:authorize")
+                ),
+                "token": request.build_absolute_uri(reverse("oidc_provider:token")),
+                "userinfo": request.build_absolute_uri(
+                    reverse("oidc_provider:userinfo")
+                ),
+                "provider_info": request.build_absolute_uri(
+                    reverse("oidc_provider:provider-info")
+                ),
+            },
+        )
+
+    class Meta:
+
+        verbose_name = _("OpenID Provider")
+        verbose_name_plural = _("OpenID Providers")