Inline admin for diploma templates (#2480)

src/apps/diplomas/admin/__init__.py

@@ -1,9 +1,7 @@
 from apps.diplomas.admin.diploma import DiplomaAdmin
 from apps.diplomas.admin.study import StudyAdmin
-from apps.diplomas.admin.template import DiplomaTemplateAdmin
 
 __all__ = [
     "DiplomaAdmin",
-    "DiplomaTemplateAdmin",
     "StudyAdmin",
 ]

src/apps/diplomas/models.py

@@ -108,6 +108,9 @@ class Meta:
             models.Index(fields=["course", "language", "homework_accepted"]),
         ]
 
+    def __str__(self) -> str:
+        return self.slug
+
 
 class DiplomaStudyProxy(Study):
     """Used in the admin to upload diplomas manually."""

src/apps/products/admin/course.py

@@ -4,8 +4,7 @@
 from django.utils.translation import gettext as _
 
 from apps.amocrm import tasks
-from apps.mailing.admin.email_configuration import EmailConfigurationAdmin
-from apps.products.admin.courses import actions
+from apps.products.admin.courses import actions, inlines
 from apps.products.models import Course
 from core.admin import ModelAdmin, admin
 
@@ -77,7 +76,10 @@ class CourseAdmin(ModelAdmin):
     prepopulated_fields = {
         "slug": ["name"],
     }
-    inlines = (EmailConfigurationAdmin,)
+    inlines = (
+        inlines.EmailConfigurationAdmin,
+        inlines.DiplomaTemplateAdmin,
+    )
     action_form = actions.CourseActionForm
 
     actions = [

src/apps/products/admin/courses/inlines.py

@@ -0,0 +1,26 @@
+from apps.diplomas.models import DiplomaTemplate
+from apps.mailing.models import EmailConfiguration
+from core.admin import StackedInline, TabularInline
+
+
+class DiplomaTemplateAdmin(TabularInline):
+    model = DiplomaTemplate
+    extra = 0
+    list_editable = ()
+
+
+class EmailConfigurationAdmin(StackedInline):
+    model = EmailConfiguration
+
+    fields = [
+        "backend",
+        "from_email",
+        "reply_to",
+        "backend_options",
+    ]
+
+
+__all__ = [
+    "DiplomaTemplateAdmin",
+    "EmailConfigurationAdmin",
+]