core/infra/response.go

package infra

import (
	"github.com/gin-gonic/gin"
	"google.golang.org/grpc/status"
)

var Response Reply

type Reply struct {
	Code    int32  `json:"code"`
	Message string `json:"message"`
	Result  any    `json:"result"`
}

// Success writes a normalized success payload with code=0.
func (reply *Reply) Success(ctx *gin.Context, data any) {
	reply.Code = 0
	reply.Result = data
	reply.Message = ""
	if data == nil {
		reply.Result = ""
	}
	ctx.JSON(200, reply)
}

// Error converts an error (including gRPC status) to a normalized payload.
// Error converts an error (including gRPC status) to a normalized payload.
func (reply *Reply) Error(ctx *gin.Context, err error) {
	reply.Code = 500
	reply.Result = ""
	// Status code defaults to 500
	e, ok := status.FromError(err)
	if ok {
		reply.Code = int32(e.Code())
		reply.Message = e.Message()
	} else {
		reply.Message = err.Error()
	}

	// Send error
	ctx.JSON(200, reply)
}