added golangci-linting, refactor, simplified error msgs and fixed some error handling

internal/api/v1/utils/utils.go

@@ -5,16 +5,26 @@ import (
 	"net/http"
 )
 
-func RespondJson(w http.ResponseWriter, data any, code ...int) error {
+func WriteBody(w http.ResponseWriter, body []byte) {
+	if _, err := w.Write(body); err != nil {
+		HandleErr(w, nil, err)
+	}
+}
+
+func RespondJSON(w http.ResponseWriter, r *http.Request, data any, code ...int) bool {
 	if len(code) > 0 {
 		w.WriteHeader(code[0])
 	}
 	w.Header().Set("Content-Type", "application/json")
 	j, err := json.MarshalIndent(data, "", "  ")
 	if err != nil {
-		return err
-	} else {
-		w.Write(j)
+		HandleErr(w, r, err)
+		return false
 	}
-	return nil
+	_, err = w.Write(j)
+	if err != nil {
+		HandleErr(w, r, err)
+		return false
+	}
+	return true
 }