web: hosts: HostList: Add filtering to GET method

src/rouse/web/hosts.py

@@ -11,8 +11,22 @@ log = logging.getLogger(__name__)
 class HostListController(controllers.BaseController):
 
     def GET(self, request):
+        hosts = request.db.query(model.Host)
+        for attr in request.GET:
+            try:
+                column = model.Host.__table__.columns[attr]
+            except KeyError:
+                continue
+            for value in request.GET.getall(attr):
+                if not value:
+                    continue
+                value = value.replace('%', r'\%')
+                if not value.endswith('*'):
+                    value += '*'
+                value = value.replace('*', '%')
+                hosts = hosts.filter(column.like(value))
         response = request.ResponseClass()
-        response.set_payload(None, request.db.query(model.Host).all())
+        response.set_payload(None, hosts.all())
         return response
 
     def POST(self, request):