Fixed PRC not getting removed when modifying repositories

CHANGES/1190.bugfix

@@ -0,0 +1 @@
+Removing packages from a repository using the modify API endpoint now also removes all associated PackageReleaseComponents.

pulp_deb/app/viewsets/repository.py

@@ -5,11 +5,16 @@
 from rest_framework import viewsets
 from rest_framework.serializers import ValidationError as DRFValidationError
 
+from pulp_deb.app.models.content.content import Package
+from pulp_deb.app.models.content.structure_content import PackageReleaseComponent
 from pulp_deb.app.serializers import AptRepositorySyncURLSerializer
 
-from pulpcore.plugin.util import extract_pk
+from pulpcore.plugin.util import extract_pk, get_url
 from pulpcore.plugin.actions import ModifyRepositoryActionMixin
-from pulpcore.plugin.serializers import AsyncOperationResponseSerializer
+from pulpcore.plugin.serializers import (
+    AsyncOperationResponseSerializer,
+    RepositoryAddRemoveContentSerializer,
+)
 from pulpcore.plugin.models import RepositoryVersion
 from pulpcore.plugin.tasking import dispatch
 from pulpcore.plugin.viewsets import (
@@ -22,7 +27,33 @@
 from pulp_deb.app import models, serializers, tasks
 
 
-class AptRepositoryViewSet(RepositoryViewSet, ModifyRepositoryActionMixin):
+class AptModifyRepositoryActionMixin(ModifyRepositoryActionMixin):
+    @extend_schema(
+        description="Trigger an asynchronous task to create a new repository version.",
+        summary="Modify Repository Content",
+        responses={202: AsyncOperationResponseSerializer},
+    )
+    @action(detail=True, methods=["post"], serializer_class=RepositoryAddRemoveContentSerializer)
+    def modify(self, request, pk):
+        remove_content_units = request.data.get("remove_content_units", [])
+        package_hrefs = [href for href in remove_content_units if "/packages/" in href]
+
+        if package_hrefs:
+            prc_hrefs = self._get_matching_prc_hrefs(package_hrefs)
+            remove_content_units.extend(prc_hrefs)
+            request.data["remove_content_units"] = remove_content_units
+
+        return super().modify(request, pk)
+
+    def _get_matching_prc_hrefs(self, package_hrefs):
+        package_ids = [extract_pk(href) for href in package_hrefs]
+        matching_packages = Package.objects.filter(pulp_id__in=package_ids)
+        matching_prcs = PackageReleaseComponent.objects.filter(package__in=matching_packages)
+        prc_hrefs = [get_url(component) for component in matching_prcs]
+        return prc_hrefs
+
+
+class AptRepositoryViewSet(AptModifyRepositoryActionMixin, RepositoryViewSet):
     # The doc string is a top level element of the user facing REST API documentation:
     """
     An AptRepository is the locally stored, Pulp-internal representation of a APT repository.

pulp_deb/tests/functional/api/test_publish.py

@@ -12,6 +12,7 @@
     DEB_FIXTURE_SINGLE_DIST,
     DEB_PACKAGE_INDEX_NAME,
     DEB_PACKAGE_NAME,
+    DEB_PACKAGE_RELEASE_COMPONENT_NAME,
     DEB_PUBLICATION_ARGS_ALL,
     DEB_PUBLICATION_ARGS_ONLY_SIMPLE,
     DEB_PUBLICATION_ARGS_ONLY_STRUCTURED,
@@ -475,6 +476,76 @@ def test_publish_complex_dists(
         assert_equal_package_index(remote, published)
 
 
+@pytest.mark.parallel
+def test_remove_package_from_repository(
+    create_publication_and_verify_repo_version,
+    deb_get_content_types,
+    deb_modify_repository,
+    deb_get_repository_by_href,
+):
+    """Test whether removing content in a structured publication removes all relevant content."""
+    remote_args = {"distributions": DEB_FIXTURE_DISTRIBUTIONS}
+    _, repo, _, _ = create_publication_and_verify_repo_version(
+        remote_args,
+        publication_args=DEB_PUBLICATION_ARGS_ONLY_STRUCTURED,
+        is_modified=False,
+    )
+
+    package = deb_get_content_types(
+        "apt_package_api", DEB_PACKAGE_NAME, repo, repo.latest_version_href
+    )[0]
+    prcs = deb_get_content_types(
+        "apt_package_release_components_api",
+        DEB_PACKAGE_RELEASE_COMPONENT_NAME,
+        repo,
+        repo.latest_version_href,
+    )
+    deb_modify_repository(
+        repo,
+        {"remove_content_units": [package.pulp_href]},
+    )
+    repo = deb_get_repository_by_href(repo.pulp_href)
+    prcs_new = deb_get_content_types(
+        "apt_package_release_components_api",
+        DEB_PACKAGE_RELEASE_COMPONENT_NAME,
+        repo,
+        repo.latest_version_href,
+    )
+
+    assert not any(package.pulp_href == prc.package for prc in prcs_new)
+    assert len(prcs_new) == len(prcs) - 1
+
+
+@pytest.mark.parallel
+def test_remove_all_content_from_repository(
+    create_publication_and_verify_repo_version,
+    deb_get_content_types,
+    deb_modify_repository,
+    deb_get_repository_by_href,
+):
+    """Test whether removing all content from a structured publication removes relevant content."""
+    remote_args = {"distributions": DEB_FIXTURE_DISTRIBUTIONS}
+    _, repo, _, _ = create_publication_and_verify_repo_version(
+        remote_args,
+        publication_args=DEB_PUBLICATION_ARGS_ONLY_STRUCTURED,
+        is_modified=False,
+    )
+
+    deb_modify_repository(
+        repo,
+        {"remove_content_units": ["*"]},
+    )
+    repo = deb_get_repository_by_href(repo.pulp_href)
+    prcs = deb_get_content_types(
+        "apt_package_release_components_api",
+        DEB_PACKAGE_RELEASE_COMPONENT_NAME,
+        repo,
+        repo.latest_version_href,
+    )
+
+    assert len(prcs) == 0
+
+
 def assert_equal_package_index(orig, new):
     """In-detail check of two PackageIndex file-strings"""
     parsed_orig = parse_package_index(orig)