[ci skip] more suggested improvements

server/handler/response.go

@@ -0,0 +1,41 @@
+package handler
+
+import (
+	"encoding/json"
+	"net/http"
+	"vctp/server/models"
+)
+
+func writeJSON(w http.ResponseWriter, statusCode int, payload any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(statusCode)
+	_ = json.NewEncoder(w).Encode(payload)
+}
+
+func writeJSONStatus(w http.ResponseWriter, statusCode int, status string) {
+	writeJSON(w, statusCode, models.StatusResponse{
+		Status: status,
+	})
+}
+
+func writeJSONStatusMessage(w http.ResponseWriter, statusCode int, status, message string) {
+	writeJSON(w, statusCode, models.StatusMessageResponse{
+		Status:  status,
+		Message: message,
+	})
+}
+
+func writeJSONOK(w http.ResponseWriter) {
+	writeJSONStatus(w, http.StatusOK, "OK")
+}
+
+func writeJSONOKMessage(w http.ResponseWriter, message string) {
+	writeJSONStatusMessage(w, http.StatusOK, "OK", message)
+}
+
+func writeJSONError(w http.ResponseWriter, statusCode int, message string) {
+	writeJSON(w, statusCode, models.ErrorResponse{
+		Status:  "ERROR",
+		Message: message,
+	})
+}