web: hosts: Implement host list controller

src/rouse/web/__init__.py

@@ -1,4 +1,5 @@
 from __future__ import unicode_literals
+from . import hosts
 from milla.dispatch import routing
 import functools
 import jinja2
@@ -73,6 +74,8 @@ class Application(milla.Application):
     def setup_routes(self):
         self.dispatcher = r = routing.Router()
 
+        r.add_route('/', hosts.HostListController())
+
     def make_request(self, environ):
         request = super(Application, self).make_request(environ)
         default_format = VariedResponse.default_content_type

src/rouse/web/hosts.py

@@ -0,0 +1,41 @@
+from __future__ import unicode_literals
+from . import controllers, model
+import logging
+import milla
+import six
+
+
+log = logging.getLogger(__name__)
+
+
+class HostListController(controllers.BaseController):
+
+    def GET(self, request):
+        response = request.ResponseClass()
+        response.set_payload(None, request.db.query(model.Host).all())
+        return response
+
+    def POST(self, request):
+        if request.content_type == 'application/json':
+            data = request.json
+        else:
+            data = request.POST.copy()
+
+        if 'macaddr' not in data:
+            raise milla.HTTPBadRequest('MAC address is required')
+        host = model.Host()
+        for key, value in six.iteritems(data):
+            if value and hasattr(host, key):
+                try:
+                    setattr(host, key, value.strip().lower())
+                except ValueError as e:
+                    raise milla.HTTPBadRequest('{}'.format(e))
+        request.db.add(host)
+        request.db.commit()
+        log.info('Successfully created host {}'.format(host.macaddr))
+
+        response = request.ResponseClass()
+        response.status_int = milla.HTTPCreated.code
+        response.location = request.create_href('/{}'.format(host.id))
+        response.set_payload(None, host)
+        return response