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, 31 insertions, 4 deletions

diff --git a/client.go b/client.go
index ecf6e62..289f031 100644
--- a/client.go
+++ b/client.go
@@ -60,6 +60,36 @@ func (cl *Client) Caches() (answers []*dns.Answer, err error) {
 	return answers, nil
 }
 
+func (cl *Client) CachesRemove(q string) (listAnswer []*dns.Answer, err error) {
+	var (
+		logp   = "CachesRemove"
+		params = url.Values{}
+		res    = libhttp.EndpointResponse{
+			Data: &listAnswer,
+		}
+
+		resb []byte
+	)
+
+	params.Set(paramNameName, q)
+
+	_, resb, err = cl.Delete(apiCaches, nil, params)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %w", logp, err)
+	}
+
+	err = json.Unmarshal(resb, &res)
+	if err != nil {
+		return nil, fmt.Errorf("%s: %w", logp, err)
+	}
+
+	if res.Code != http.StatusOK {
+		return nil, fmt.Errorf("%s: %d %s", logp, res.Code, res.Message)
+	}
+
+	return listAnswer, nil
+}
+
 // CachesSearch search the answer in caches by its domain name and return it
 // as DNS message.
 func (cl *Client) CachesSearch(q string) (listMsg []*dns.Message, err error) {
@@ -70,15 +100,12 @@ func (cl *Client) CachesSearch(q string) (listMsg []*dns.Message, err error) {
 			Data: &listMsg,
 		}
 
-		path string
 		resb []byte
 	)
 
 	params.Set(paramNameQuery, q)
 
-	path = apiCachesSearch + "?" + params.Encode()
-	fmt.Printf("%s: path: %s\n", logp, path)
-	_, resb, err = cl.Get(path, nil, nil)
+	_, resb, err = cl.Get(apiCachesSearch, nil, params)
 	if err != nil {
 		return nil, fmt.Errorf("%s: %w", logp, err)
 	}