providers/app_gw: generate docker-compose in code

passbook/providers/app_gw/models.py

@@ -1,17 +1,13 @@
 """passbook app_gw models"""
-import string
-from random import SystemRandom
 from typing import Optional, Type
 
 from django.core.validators import URLValidator
 from django.db import models
 from django.forms import ModelForm
 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 import __version__
 from passbook.core.models import Provider
 from passbook.lib.utils.template import render_to_string
 
@@ -33,21 +29,12 @@ class ApplicationGatewayProvider(Provider):
 
     def html_setup_urls(self, request: HttpRequest) -> Optional[str]:
         """return template and context modal with URLs for authorize, token, openid-config, etc"""
-        cookie_secret = "".join(
-            SystemRandom().choice(string.ascii_uppercase + string.digits)
-            for _ in range(50)
-        )
-        full_issuer_user = request.build_absolute_uri(
-            reverse("passbook_providers_oidc:authorize")
-        )
+        from passbook.providers.app_gw.views import DockerComposeView
+
+        docker_compose_yaml = DockerComposeView(request=request).get_compose(self)
         return render_to_string(
             "app_gw/setup_modal.html",
-            {
-                "provider": self,
-                "cookie_secret": cookie_secret,
-                "version": __version__,
-                "full_issuer_user": full_issuer_user,
-            },
+            {"provider": self, "docker_compose": docker_compose_yaml},
         )
 
     def __str__(self):