web: hosts: Add HostController

src/rouse/web/__init__.py

@@ -82,6 +82,7 @@ class Application(milla.Application):
         self.dispatcher = r = routing.Router()
 
         r.add_route('/', hosts.HostListController())
+        r.add_route('/{host_id}', hosts.HostController())
 
     def make_request(self, environ):
         request = super(Application, self).make_request(environ)

src/rouse/web/hosts.py

@@ -39,3 +39,49 @@ class HostListController(controllers.BaseController):
         response.location = request.create_href('/{}'.format(host.id))
         response.set_payload(None, host)
         return response
+
+
+class HostController(controllers.BaseController):
+
+    def GET(self, request, host_id):
+        host = request.db.query(model.Host).get(host_id)
+        if not host:
+            raise milla.HTTPNotFound
+
+        response = request.ResponseClass()
+        response.set_payload(None, host)
+        return response
+
+    def PUT(self, request, host_id):
+        host = request.db.query(model.Host).get(host_id)
+        if not host:
+            raise milla.HTTPNotFound
+
+        if request.content_type == 'application/json':
+            data = request.json
+        else:
+            data = request.POST.copy()
+
+        for key, value in six.iteritems(data):
+            if hasattr(host, key):
+                try:
+                    setattr(host, key, value.strip().lower())
+                except ValueError as e:
+                    raise milla.HTTPBadRequest('{}'.format(e))
+        request.db.commit()
+
+        response = request.ResponseClass()
+        response.status_int = milla.HTTPNoContent.code
+        return response
+
+    def DELETE(self, request, host_id):
+        host = request.db.query(model.Host).get(host_id)
+        if not host:
+            raise milla.HTTPNotFound
+
+        request.db.delete(host)
+        request.db.commit()
+
+        response = request.ResponseClass()
+        response.status_int = milla.HTTPNoContent.code
+        return response