all: implement sub command to remove caches by domain name

The "caches" command accept second sub command "remove" that accept
single domain name to be removed from caches.

This changes affect the HTTP API for caches delete to return the removed
answer on the response data.

1 files changed, 4 insertions, 2 deletions

diff --git a/httpd.go b/httpd.go
index d5cb8de..6f4a234 100644
--- a/httpd.go
+++ b/httpd.go
@@ -291,6 +291,8 @@ func (srv *Server) httpdAPIDeleteCaches(epr *libhttp.EndpointRequest) (resBody [
 	var (
 		res = libhttp.EndpointResponse{}
 		q   = epr.HttpRequest.Form.Get(paramNameName)
+
+		answers []*dns.Answer
 	)
 
 	if len(q) == 0 {
@@ -299,10 +301,10 @@ func (srv *Server) httpdAPIDeleteCaches(epr *libhttp.EndpointRequest) (resBody [
 		return nil, &res
 	}
 
-	srv.dns.RemoveCachesByNames([]string{q})
+	answers = srv.dns.RemoveCachesByNames([]string{q})
 
 	res.Code = http.StatusOK
-	res.Message = fmt.Sprintf("%q has been removed from caches", q)
+	res.Data = answers
 
 	return json.Marshal(&res)
 }