views/program: allow changing program cover

aircox/tests/test_program.py

@@ -1,5 +1,14 @@
 import pytest
 from django.urls import reverse
+from django.core.files.uploadedfile import SimpleUploadedFile
+
+from aircox.models import Program
+
+
+png_content = (
+    b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90wS\xde"
+    + b"\x00\x00\x00\x0cIDATx\x9cc`\xf8\xcf\x00\x00\x02\x02\x01\x00{\t\x81x\x00\x00\x00\x00IEND\xaeB`\x82"
+)
 
 
 @pytest.mark.django_db()
@@ -15,3 +24,17 @@ def test_edit_program(user, client, program):
     response = client.post(reverse("program-edit", kwargs={"pk": program.pk}), {"content": "foobar"})
     response = client.get(reverse("program-detail", kwargs={"slug": program.slug}))
     assert b"foobar" in response.content
+
+
+@pytest.mark.django_db()
+def test_add_cover(user, client, program):
+    assert program.cover is None
+    user.groups.add(program.editors)
+    client.force_login(user)
+    cover = SimpleUploadedFile("cover1.png", png_content, content_type="image/png")
+    r = client.post(
+        reverse("program-edit", kwargs={"pk": program.pk}), {"content": "foobar", "new_cover": cover}, follow=True
+    )
+    assert r.status_code == 200
+    p = Program.objects.get(pk=program.pk)
+    assert "cover1.png" in p.cover.url

aircox/views/program.py

@@ -1,10 +1,14 @@
 import random
 
+from django.contrib.auth.mixins import UserPassesTestMixin
+from django.forms import ModelForm, ImageField
 from django.urls import reverse
 
-from ..models import Article, Page, Program, StaticPage, Episode
+from filer.models.imagemodels import Image
+
+from ..models import Page, Program, StaticPage
 from .mixins import ParentMixin
-from .page import PageDetailView, PageListView
+from .page import PageDetailView, PageListView, PageUpdateView
 
 __all__ = ["ProgramPageDetailView", "ProgramDetailView", "ProgramPageListView"]
 
@@ -50,9 +54,24 @@ class ProgramDetailView(BaseProgramMixin, PageDetailView):
         return super().get_template_names() + ["aircox/program_detail.html"]
 
 
+class ProgramForm(ModelForm):
+    new_cover = ImageField(required=False)
+
+    class Meta:
+        model = Program
+        fields = ["content"]
+
+    def save(self, commit=True):
+        file_obj = self.cleaned_data["new_cover"]
+        if file_obj:
+            obj, _ = Image.objects.get_or_create(original_filename=file_obj.name, file=file_obj)
+            self.instance.cover = obj
+        super().save(commit=commit)
+
+
 class ProgramUpdateView(UserPassesTestMixin, BaseProgramMixin, PageUpdateView):
     model = Program
-    fields = ["content"]
+    form_class = ProgramForm
 
     def get_sidebar_queryset(self):
         return super().get_sidebar_queryset().filter(parent=self.program)