add config management commands

cli/functions/http_client.go

@@ -0,0 +1,43 @@
+package functions
+
+import (
+	"bytes"
+	"encoding/json"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+func Request[T any](method, route string, payload any) *T {
+	requestURL := "http://localhost:3000"
+	var (
+		req *http.Request
+		err error
+	)
+	if payload == nil {
+		req, err = http.NewRequest(method, requestURL+route, nil)
+	} else {
+		payloadBytes, jsonErr := json.Marshal(payload)
+		if jsonErr != nil {
+			log.Fatalf("Error in request JSON marshalling: %s", err)
+		}
+		req, err = http.NewRequest(method, requestURL+route, bytes.NewReader(payloadBytes))
+	}
+	if err != nil {
+		log.Fatalf("Client could not create request: %s", err)
+	}
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		log.Fatalf("Client error making http request: %s", err)
+	}
+
+	resBodyBytes, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		log.Fatalf("Client could not read response body: %s", err)
+	}
+	body := new(T)
+	if err := json.Unmarshal(resBodyBytes, body); err != nil {
+		log.Fatalf("Error unmarshalling JSON: %s", err)
+	}
+	return body
+}