初始化项目

internal/pkg/errs/error.go

@@ -0,0 +1,40 @@
+package errs
+
+import (
+	"fmt"
+	"github.com/spf13/cast"
+)
+
+type err struct {
+	code   int
+	reason Reason
+	msg    string
+}
+
+func New(code int, reason Reason, message any) error {
+	return err{
+		code:   code,
+		reason: reason,
+		msg:    cast.ToString(message),
+	}
+}
+
+// Error error
+func (e err) Error() string {
+	return fmt.Sprintf("code=%d msg=%s", e.code, e.msg)
+}
+
+// Code return code
+func (e err) Code() int {
+	return e.code
+}
+
+// Reason return reason
+func (e err) Reason() Reason {
+	return e.reason
+}
+
+// Message return message
+func (e err) Message() string {
+	return e.msg
+}

internal/pkg/errs/errors.go

@@ -0,0 +1,56 @@
+package errs
+
+import (
+	"net/http"
+)
+
+func Success() error {
+	return New(http.StatusOK, ErrSucceed, "success")
+}
+
+func NotFound(reason Reason, v any) error {
+	return New(http.StatusNotFound, reason, v)
+}
+
+func BadRequest(reason Reason, v any) error {
+	return New(http.StatusBadRequest, reason, v)
+}
+
+func InternalServer(reason Reason, v any) error {
+	return New(http.StatusInternalServerError, reason, v)
+}
+
+// Unauthorized new Unauthorized error that is mapped to a 401 response.
+func Unauthorized(reason Reason, v any) error {
+	return New(http.StatusUnauthorized, reason, v)
+}
+
+// Forbidden new Forbidden error that is mapped to a 403 response.
+func Forbidden(reason Reason, v any) error {
+	return New(http.StatusForbidden, reason, v)
+}
+
+// Conflict new Conflict error that is mapped to a 409 response.
+func Conflict(reason Reason, v any) error {
+	return New(http.StatusConflict, reason, v)
+}
+
+// ServiceUnavailable new ServiceUnavailable error that is mapped to an HTTP 503 response.
+func ServiceUnavailable(reason Reason, v any) error {
+	return New(http.StatusServiceUnavailable, reason, v)
+}
+
+// GatewayTimeout new GatewayTimeout error that is mapped to an HTTP 504 response.
+func GatewayTimeout(reason Reason, v any) error {
+	return New(http.StatusGatewayTimeout, reason, v)
+}
+
+// BadGateway new BadGateway error that is mapped to an HTTP 504 response.
+func BadGateway(reason Reason, v any) error {
+	return New(http.StatusBadGateway, reason, v)
+}
+
+// ClientClosed new ClientClosed error that is mapped to an HTTP 499 response.
+func ClientClosed(reason Reason, v any) error {
+	return New(499, reason, v)
+}

internal/pkg/errs/http_respone.go

@@ -0,0 +1,64 @@
+package errs
+
+import (
+	"context"
+	"github.com/zeromicro/go-zero/rest/httpx"
+	"net/http"
+	"os"
+	"strings"
+)
+
+var debug bool
+
+func init() {
+	if strings.ToLower(os.Getenv("VANS_API_DEBUG")) == "on" {
+		debug = true
+	}
+	httpx.SetErrorHandlerCtx(ErrorHandleCtx)
+	httpx.SetErrorHandler(ErrorHandle)
+}
+
+func SetDebug(d bool) {
+	debug = d
+}
+
+func ErrorHandle(err error) (int, any) {
+	return ErrorHandleCtx(context.Background(), err)
+}
+
+func ErrorHandleCtx(ctx context.Context, err error) (int, any) {
+	code := http.StatusBadRequest
+	reason := ErrInternalServer
+	var msg string
+	if ec, ok := err.(interface{ Code() int }); ok {
+		code = ec.Code()
+	}
+	if ec, ok := err.(interface{ Message() string }); ok {
+		msg = ec.Message()
+	} else {
+		msg = err.Error()
+	}
+	if ec, ok := err.(interface{ Reason() Reason }); ok {
+		reason = ec.Reason()
+	}
+
+	var errMsg string
+	if reason < ErrUnknownLogicError && reason != ErrSucceed {
+		errMsg = msg
+		msg = "system error"
+	}
+
+	body := map[string]any{
+		"code":    reason,
+		"message": msg,
+	}
+	if errMsg != "" && debug {
+		body["err"] = errMsg
+	}
+	if ec, ok := err.(interface{ Metadata() any }); ok {
+		if md := ec.Metadata(); md != nil {
+			body["metadata"] = md
+		}
+	}
+	return code, body
+}

internal/pkg/errs/reason.go

@@ -0,0 +1,33 @@
+package errs
+
+type Reason int
+
+const (
+	// ======= 系统错误：0~999 =======
+	ErrUnknownReason Reason = 0   //  未知错误
+	ErrSucceed       Reason = 200 // 成功
+	ErrOverload      Reason = 403 // 请求超载
+
+	// ======= 服务器内部错误：1000~9999 =======
+	ErrInternalServer  Reason = 1000 // 未知的服务器内部错误
+	ErrDatabaseOperate Reason = 1001 // 数据库错误
+	ErrRedisOperate    Reason = 1002 // redis错误
+	ErrEncodePassword  Reason = 1003 // 密码加密错误
+	ErrGenerateUUid    Reason = 1004 // 生成uuid错误
+	ErrGenerateToken   Reason = 1005 // 生成token错误
+	ErrGetExchangeRate Reason = 1005 // 获取汇率错误
+
+	// ======= 业务层错误：10000~99999 =======
+	ErrUnknownLogicError Reason = 10000 // 未知的业务错误
+	ErrInvalidParam      Reason = 10001 // 无效参数错误
+	ErrInvalidSignature  Reason = 10002 // 无效签名错误
+	ErrInvalidToken      Reason = 10003 // 无效的token
+	ErrInvoiceHasPaid    Reason = 10004 // 订单已支付
+	ErrInvalidAppId      Reason = 10005 // 应用id无效
+	ErrUserNotHasInviter Reason = 10006 // 用户没有邀请人
+
+	// ========= admin 业务相关错误码： 30000~39999 =========
+	ErrUnknownAdminError Reason = 30000 // 未知的admin错误
+	ErrInvalidPassword   Reason = 30001 // 无效密码
+	ErrInvalidAccount    Reason = 30002 // 无效账号
+)