Add execute for create command

cmd/examples/create/create.go

@@ -1,13 +1,8 @@
 package main
 
 import (
-	"bytes"
-	"encoding/json"
 	"fmt"
-	"io/ioutil"
-	"net/http"
 	"net/netip"
-	"os"
 
 	"github.com/google/uuid"
 	pcsdk "github.com/thefeli73/polemos/commands"
@@ -19,38 +14,10 @@ func main() {
 	uuid := uuid.MustParse("87e79cbc-6df6-4462-8412-85d6c473e3b1")
 
 	m := pcsdk.NewCommandCreate(5555, 6666, ip, state.CustomUUID(uuid))
-	data, err := json.Marshal(m)
+	err := m.Execute("http://localhost:3000")
 	if err != nil {
-		fmt.Printf("client: could not serialize into JSON")
-		os.Exit(1)
+		fmt.Printf("error executing create command: %s\n", err)
+	} else {
+		fmt.Println("executing create command completed")
 	}
-
-	fmt.Printf(string(data))
-
-	requestURL := "http://localhost:3000/command"
-	bodyReader := bytes.NewReader(data)
-	req, err := http.NewRequest(http.MethodPost, requestURL, bodyReader)
-
-	if err != nil {
-		fmt.Printf("client: could not create request: %s\n", err)
-		os.Exit(1)
-	}
-
-	req.Header.Set("Content-Type", "application/json")
-	fmt.Println(req)
-	res, err := http.DefaultClient.Post(requestURL, "application/json", bodyReader)
-	if err != nil {
-		fmt.Printf("client: error making http request: %s\n", err)
-		os.Exit(1)
-	}
-
-	fmt.Printf("client: got response!\n")
-	fmt.Printf("client: status code: %d\n", res.StatusCode)
-
-	resBody, err := ioutil.ReadAll(res.Body)
-	if err != nil {
-		fmt.Printf("client: could not read response body: %s\n", err)
-		os.Exit(1)
-	}
-	fmt.Printf("client: response body: %s\n", resBody)
 }