T-618 require release checksum metadata in admin

apps/portal/admin.py

@@ -1,10 +1,23 @@
+from django import forms
 from django.contrib import admin
 
 from .models import DownloadRelease, ImportTemplate
 
 
+class DownloadReleaseAdminForm(forms.ModelForm):
+    class Meta:
+        model = DownloadRelease
+        fields = "__all__"
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["sha256"].required = True
+        self.fields["size_bytes"].required = True
+
+
 @admin.register(DownloadRelease)
 class DownloadReleaseAdmin(admin.ModelAdmin):
+    form = DownloadReleaseAdminForm
     list_display = (
         "platform",
         "version",

apps/portal/tests.py

@@ -416,6 +416,41 @@ class PortalAccountFlowTests(TestCase):
         self.assertFalse(old_release.is_current)
         self.assertTrue(new_release.is_current)
 
+    def test_download_release_admin_requires_sha256_and_size_bytes(self):
+        form_class = admin.site._registry[DownloadRelease].form
+        base_data = {
+            "platform": DownloadRelease.Platform.WINDOWS,
+            "version": "1.2.3",
+            "external_url": "https://download.example.com/cmhub-1.2.3.zip",
+            "release_notes": "发布说明",
+        }
+
+        missing_sha256_form = form_class(data={**base_data, "size_bytes": "123456"})
+        missing_size_form = form_class(data={**base_data, "sha256": "a" * 64})
+
+        self.assertFalse(missing_sha256_form.is_valid())
+        self.assertIn("sha256", missing_sha256_form.errors)
+        self.assertFalse(missing_size_form.is_valid())
+        self.assertIn("size_bytes", missing_size_form.errors)
+
+    def test_download_release_admin_saves_valid_release_metadata(self):
+        form_class = admin.site._registry[DownloadRelease].form
+        form = form_class(
+            data={
+                "platform": DownloadRelease.Platform.WINDOWS,
+                "version": "1.2.3",
+                "external_url": "https://download.example.com/cmhub-1.2.3.zip",
+                "sha256": "b" * 64,
+                "size_bytes": "123456",
+                "release_notes": "发布说明",
+            }
+        )
+
+        self.assertTrue(form.is_valid(), form.errors)
+        release = form.save()
+        self.assertEqual(release.sha256, "b" * 64)
+        self.assertEqual(release.size_bytes, 123456)
+
     def test_import_template_only_keeps_one_current(self):
         old_template = self.create_import_template(
             name="旧模板",