add possibility to run full update

In case if packages are not set from web, the spawner will run full
repository update

src/ahriman/core/spawn.py

@@ -86,10 +86,12 @@ class Spawn(Thread, LazyLogging):
             packages(Iterable[str]): packages list to add
             now(bool): build packages now
         """
+        if not packages:
+            return self.spawn_process("repo-update")
         kwargs = {"source": PackageSource.AUR.value}  # avoid abusing by building non-aur packages
         if now:
             kwargs["now"] = ""
-        self.spawn_process("add", *packages, **kwargs)
+        return self.spawn_process("package-add", *packages, **kwargs)
 
     def packages_remove(self, packages: Iterable[str]) -> None:
         """
@@ -98,7 +100,7 @@ class Spawn(Thread, LazyLogging):
         Args:
             packages(Iterable[str]): packages list to remove
         """
-        self.spawn_process("remove", *packages)
+        self.spawn_process("package-remove", *packages)
 
     def spawn_process(self, command: str, *args: str, **kwargs: str) -> None:
         """

src/ahriman/web/views/service/add.py

@@ -17,7 +17,7 @@
 # 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, HTTPFound
+from aiohttp.web import HTTPFound
 
 from ahriman.models.user_access import UserAccess
 from ahriman.web.views.base import BaseView
@@ -47,11 +47,8 @@ class AddView(BaseView):
             HTTPBadRequest: if bad data is supplied
             HTTPFound: in case of success response
         """
-        try:
-            data = await self.extract_data(["packages"])
-            packages = data["packages"]
-        except Exception as e:
-            raise HTTPBadRequest(reason=str(e))
+        data = await self.extract_data(["packages"])
+        packages = data.get("packages", [])
 
         self.spawner.packages_add(packages, now=True)