Review corrections pass #2

Add API review comments to correct documentation and endpoints.  Also, add a libpode prune method to reduce code duplication.  Only used right now for the API but when the remote client is wired, we will switch over there too.

Signed-off-by: Brent Baude <bbaude@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/pkg/api/handlers/utils/handler.go b/pkg/api/handlers/utils/handler.go
index 2fd9bffba..f2ce26f1a 100644
--- a/pkg/api/handlers/utils/handler.go
+++ b/pkg/api/handlers/utils/handler.go
@@ -51,3 +51,11 @@ func WriteJSON(w http.ResponseWriter, code int, value interface{}) {
 		logrus.Errorf("unable to write json: %q", err)
 	}
 }
+
+func FilterMapToString(filters map[string][]string) (string, error) {
+	f, err := json.Marshal(filters)
+	if err != nil {
+		return "", err
+	}
+	return string(f), nil
+}