feat: dynamic package hold (#160)

* add dynamic hold implementation to backend

* update frontend to support new status

* force reporter loader

* handle missing packages explicitly

* handle missing packages explicitly

src/ahriman/web/views/v1/packages/hold.py

@@ -0,0 +1,75 @@
+#
+# Copyright (c) 2021-2026 ahriman team.
+#
+# This file is part of ahriman
+# (see https://github.com/arcan1s/ahriman).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+from aiohttp.web import HTTPBadRequest, HTTPNoContent, HTTPNotFound
+from typing import ClassVar
+
+from ahriman.core.exceptions import UnknownPackageError
+from ahriman.models.user_access import UserAccess
+from ahriman.web.apispec.decorators import apidocs
+from ahriman.web.schemas import HoldSchema, PackageNameSchema, RepositoryIdSchema
+from ahriman.web.views.base import BaseView
+from ahriman.web.views.status_view_guard import StatusViewGuard
+
+
+class HoldView(StatusViewGuard, BaseView):
+    """
+    package hold web view
+
+    Attributes:
+        POST_PERMISSION(UserAccess): (class attribute) post permissions of self
+    """
+
+    POST_PERMISSION: ClassVar[UserAccess] = UserAccess.Full
+    ROUTES = ["/api/v1/packages/{package}/hold"]
+
+    @apidocs(
+        tags=["Packages"],
+        summary="Update package hold status",
+        description="Set package hold status",
+        permission=POST_PERMISSION,
+        error_400_enabled=True,
+        error_404_description="Package base and/or repository are unknown",
+        match_schema=PackageNameSchema,
+        query_schema=RepositoryIdSchema,
+        body_schema=HoldSchema,
+    )
+    async def post(self) -> None:
+        """
+        update package hold status
+
+        Raises:
+            HTTPBadRequest: if bad data is supplied
+            HTTPNoContent: in case of success response
+            HTTPNotFound: if no package was found
+        """
+        package_base = self.request.match_info["package"]
+
+        try:
+            data = await self.request.json()
+            is_held = data["is_held"]
+        except Exception as ex:
+            raise HTTPBadRequest(reason=str(ex))
+
+        try:
+            self.service().package_hold_update(package_base, enabled=is_held)
+        except UnknownPackageError:
+            raise HTTPNotFound(reason=f"Package {package_base} is unknown")
+
+        raise HTTPNoContent