Add web status route (#13)

* add status route

* typed status and get status at the start of application

src/ahriman/web/routes.py

@@ -23,6 +23,7 @@ from ahriman.web.views.ahriman import AhrimanView
 from ahriman.web.views.index import IndexView
 from ahriman.web.views.package import PackageView
 from ahriman.web.views.packages import PackagesView
+from ahriman.web.views.status import StatusView
 
 
 def setup_routes(application: Application) -> None:
@@ -44,6 +45,8 @@ def setup_routes(application: Application) -> None:
         GET /api/v1/package/:base       get package base status
         POST /api/v1/package/:base      update package base status
 
+        GET /api/v1/status              get web service status itself
+
     :param application: web application instance
     """
     application.router.add_get("/", IndexView)
@@ -58,3 +61,5 @@ def setup_routes(application: Application) -> None:
     application.router.add_delete("/api/v1/packages/{package}", PackageView)
     application.router.add_get("/api/v1/packages/{package}", PackageView)
     application.router.add_post("/api/v1/packages/{package}", PackageView)
+
+    application.router.add_get("/api/v1/status", StatusView)

src/ahriman/web/views/index.py

@@ -21,8 +21,7 @@ import aiohttp_jinja2
 
 from typing import Any, Dict
 
-import ahriman.version as version
-
+from ahriman import version
 from ahriman.core.util import pretty_datetime
 from ahriman.web.views.base import BaseView
 

src/ahriman/web/views/status.py

@@ -0,0 +1,45 @@
+#
+# Copyright (c) 2021 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 Response, json_response
+
+from ahriman import version
+from ahriman.models.counters import Counters
+from ahriman.models.internal_status import InternalStatus
+from ahriman.web.views.base import BaseView
+
+
+class StatusView(BaseView):
+    """
+    web service status web view
+    """
+
+    async def get(self) -> Response:
+        """
+        get current service status
+        :return: 200 with service status object
+        """
+        counters = Counters.from_packages(self.service.packages)
+        status = InternalStatus(
+            architecture=self.service.architecture,
+            packages=counters,
+            repository=self.service.repository.name,
+            version=version.__version__)
+
+        return json_response(status.view())