feat: add worker_pool

errors/code/define.go

@@ -95,5 +95,5 @@ const (
 const (
 	_ = iota + CatArk
 	ArkInternal
-	ArkHttp400
+	ArkHTTP400
 )

errors/easy_func.go

@@ -1,20 +1,21 @@
-package error
+package errors
 
 import (
-	"code.30cm.net/digimon/library-go/errors/code"
 	"errors"
 	"fmt"
 	"strings"
 
+	"code.30cm.net/digimon/library-go/errors/code"
+
 	"github.com/zeromicro/go-zero/core/logx"
-	_ "github.com/zeromicro/go-zero/core/logx"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
 
-func newErr(scope, detail uint32, msg string) *Err {
+func newErr(scope, detail uint32, msg string) *LibError {
 	cat := detail / 100 * 100
-	return &Err{
+
+	return &LibError{
 		category: cat,
 		code:     detail,
 		scope:    scope,
@@ -22,8 +23,8 @@ func newErr(scope, detail uint32, msg string) *Err {
 	}
 }
 
-func newBuiltinGRPCErr(scope, detail uint32, msg string) *Err {
+func newBuiltinGRPCErr(scope, detail uint32, msg string) *LibError {
-	return &Err{
+	return &LibError{
 		category: code.CatGRPC,
 		code:     detail,
 		scope:    scope,
@@ -34,12 +35,12 @@ func newBuiltinGRPCErr(scope, detail uint32, msg string) *Err {
 // FromError tries to let error as Err
 // it supports to unwrap error that has Err
 // return nil if failed to transfer
-func FromError(err error) *Err {
+func FromError(err error) *LibError {
 	if err == nil {
 		return nil
 	}
 
-	var e *Err
+	var e *LibError
 	if errors.As(err, &e) {
 		return e
 	}
@@ -52,10 +53,11 @@ func FromError(err error) *Err {
 // 12 represents Scope
 // 03 represents Category
 // 14 represents Detail error code
-func FromCode(code uint32) *Err {
+func FromCode(code uint32) *LibError {
 	scope := code / 10000
 	detail := code % 10000
-	return &Err{
+
+	return &LibError{
 		category: detail / 100 * 100,
 		code:     detail,
 		scope:    scope,
@@ -65,7 +67,7 @@ func FromCode(code uint32) *Err {
 
 // FromGRPCError transfer error to Err
 // useful for gRPC client
-func FromGRPCError(err error) *Err {
+func FromGRPCError(err error) *LibError {
 	s, _ := status.FromError(err)
 	e := FromCode(uint32(s.Code()))
 	e.msg = s.Message()
@@ -81,311 +83,335 @@ func FromGRPCError(err error) *Err {
 // Deprecated: check GRPCStatus() in Errs struct
 // ToGRPCError returns the status.Status
 // Useful to return error in gRPC server
-func ToGRPCError(e *Err) error {
+func ToGRPCError(e *LibError) error {
 	return status.New(codes.Code(e.FullCode()), e.Error()).Err()
 }
 
 /*** System ***/
 
 // SystemTimeoutError returns Err
-func SystemTimeoutError(s ...string) *Err {
+func SystemTimeoutError(s ...string) *LibError {
 	return newErr(Scope, code.SystemTimeoutError, fmt.Sprintf("system timeout: %s", strings.Join(s, " ")))
 }
 
 // SystemTimeoutErrorL logs error message and returns Err
-func SystemTimeoutErrorL(l logx.Logger, s ...string) *Err {
+func SystemTimeoutErrorL(l logx.Logger, s ...string) *LibError {
 	e := SystemTimeoutError(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // SystemInternalError returns Err struct
-func SystemInternalError(s ...string) *Err {
+func SystemInternalError(s ...string) *LibError {
 	return newErr(Scope, code.SystemInternalError, fmt.Sprintf("internal error: %s", strings.Join(s, " ")))
 }
 
 // SystemInternalErrorL logs error message and returns Err
-func SystemInternalErrorL(l logx.Logger, s ...string) *Err {
+func SystemInternalErrorL(l logx.Logger, s ...string) *LibError {
 	e := SystemInternalError(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // SystemMaintainErrorL logs error message and returns Err
-func SystemMaintainErrorL(l logx.Logger, s ...string) *Err {
+func SystemMaintainErrorL(l logx.Logger, s ...string) *LibError {
 	e := SystemMaintainError(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // SystemMaintainError returns Err struct
-func SystemMaintainError(s ...string) *Err {
+func SystemMaintainError(s ...string) *LibError {
 	return newErr(Scope, code.SystemMaintainError, fmt.Sprintf("service under maintenance: %s", strings.Join(s, " ")))
 }
 
 /*** CatInput ***/
 
 // InvalidFormat returns Err struct
-func InvalidFormat(s ...string) *Err {
+func InvalidFormat(s ...string) *LibError {
 	return newErr(Scope, code.InvalidFormat, fmt.Sprintf("invalid format: %s", strings.Join(s, " ")))
 }
 
 // InvalidFormatL logs error message and returns Err
-func InvalidFormatL(l logx.Logger, s ...string) *Err {
+func InvalidFormatL(l logx.Logger, s ...string) *LibError {
 	e := InvalidFormat(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // InvalidRange returns Err struct
-func InvalidRange(s ...string) *Err {
+func InvalidRange(s ...string) *LibError {
 	return newErr(Scope, code.InvalidRange, fmt.Sprintf("invalid range: %s", strings.Join(s, " ")))
 }
 
 // InvalidRangeL logs error message and returns Err
-func InvalidRangeL(l logx.Logger, s ...string) *Err {
+func InvalidRangeL(l logx.Logger, s ...string) *LibError {
 	e := InvalidRange(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // NotValidImplementation returns Err struct
-func NotValidImplementation(s ...string) *Err {
+func NotValidImplementation(s ...string) *LibError {
 	return newErr(Scope, code.NotValidImplementation, fmt.Sprintf("not valid implementation: %s", strings.Join(s, " ")))
 }
 
 // NotValidImplementationL logs error message and returns Err
-func NotValidImplementationL(l logx.Logger, s ...string) *Err {
+func NotValidImplementationL(l logx.Logger, s ...string) *LibError {
 	e := NotValidImplementation(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 /*** CatDB ***/
 
 // DBError returns Err
-func DBError(s ...string) *Err {
+func DBError(s ...string) *LibError {
 	return newErr(Scope, code.DBError, fmt.Sprintf("db error: %s", strings.Join(s, " ")))
 }
 
 // DBErrorL logs error message and returns Err
-func DBErrorL(l logx.Logger, s ...string) *Err {
+func DBErrorL(l logx.Logger, s ...string) *LibError {
 	e := DBError(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // DBDataConvert returns Err
-func DBDataConvert(s ...string) *Err {
+func DBDataConvert(s ...string) *LibError {
 	return newErr(Scope, code.DBDataConvert, fmt.Sprintf("data from db convert error: %s", strings.Join(s, " ")))
 }
 
 // DBDataConvertL logs error message and returns Err
-func DBDataConvertL(l logx.Logger, s ...string) *Err {
+func DBDataConvertL(l logx.Logger, s ...string) *LibError {
 	e := DBDataConvert(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // DBDuplicate returns Err
-func DBDuplicate(s ...string) *Err {
+func DBDuplicate(s ...string) *LibError {
 	return newErr(Scope, code.DBDuplicate, fmt.Sprintf("data Duplicate key error: %s", strings.Join(s, " ")))
 }
 
 // DBDuplicateL logs error message and returns Err
-func DBDuplicateL(l logx.Logger, s ...string) *Err {
+func DBDuplicateL(l logx.Logger, s ...string) *LibError {
 	e := DBDuplicate(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 /*** CatResource ***/
 
 // ResourceNotFound returns Err and logging
-func ResourceNotFound(s ...string) *Err {
+func ResourceNotFound(s ...string) *LibError {
 	return newErr(Scope, code.ResourceNotFound, fmt.Sprintf("resource not found: %s", strings.Join(s, " ")))
 }
 
 // ResourceNotFoundL logs error message and returns Err
-func ResourceNotFoundL(l logx.Logger, s ...string) *Err {
+func ResourceNotFoundL(l logx.Logger, s ...string) *LibError {
 	e := ResourceNotFound(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // InvalidResourceFormat returns Err
-func InvalidResourceFormat(s ...string) *Err {
+func InvalidResourceFormat(s ...string) *LibError {
 	return newErr(Scope, code.InvalidResourceFormat, fmt.Sprintf("invalid resource format: %s", strings.Join(s, " ")))
 }
 
 // InvalidResourceFormatL logs error message and returns Err
-func InvalidResourceFormatL(l logx.Logger, s ...string) *Err {
+func InvalidResourceFormatL(l logx.Logger, s ...string) *LibError {
 	e := InvalidResourceFormat(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // InvalidResourceState returns status not correct.
 // for example: company should be destroy, agent should be no-sensor/fail-install ...
-func InvalidResourceState(s ...string) *Err {
+func InvalidResourceState(s ...string) *LibError {
 	return newErr(Scope, code.InvalidResourceState, fmt.Sprintf("invalid resource state: %s", strings.Join(s, " ")))
 }
 
 // InvalidResourceStateL logs error message and returns status not correct.
-func InvalidResourceStateL(l logx.Logger, s ...string) *Err {
+func InvalidResourceStateL(l logx.Logger, s ...string) *LibError {
 	e := InvalidResourceState(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
-func ResourceInsufficient(s ...string) *Err {
+func ResourceInsufficient(s ...string) *LibError {
 	return newErr(Scope, code.ResourceInsufficient,
 		fmt.Sprintf("insufficient resource: %s", strings.Join(s, " ")))
 }
 
-func ResourceInsufficientL(l logx.Logger, s ...string) *Err {
+func ResourceInsufficientL(l logx.Logger, s ...string) *LibError {
 	e := ResourceInsufficient(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // InsufficientPermission returns Err
-func InsufficientPermission(s ...string) *Err {
+func InsufficientPermission(s ...string) *LibError {
 	return newErr(Scope, code.InsufficientPermission,
 		fmt.Sprintf("insufficient permission: %s", strings.Join(s, " ")))
 }
 
 // InsufficientPermissionL returns Err and log
-func InsufficientPermissionL(l logx.Logger, s ...string) *Err {
+func InsufficientPermissionL(l logx.Logger, s ...string) *LibError {
 	e := InsufficientPermission(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // ResourceAlreadyExist returns Err
-func ResourceAlreadyExist(s ...string) *Err {
+func ResourceAlreadyExist(s ...string) *LibError {
 	return newErr(Scope, code.ResourceAlreadyExist, fmt.Sprintf("resource already exist: %s", strings.Join(s, " ")))
 }
 
 // ResourceAlreadyExistL logs error message and returns Err
-func ResourceAlreadyExistL(l logx.Logger, s ...string) *Err {
+func ResourceAlreadyExistL(l logx.Logger, s ...string) *LibError {
 	e := ResourceAlreadyExist(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // InvalidMeasurementID returns Err
-func InvalidMeasurementID(s ...string) *Err {
+func InvalidMeasurementID(s ...string) *LibError {
 	return newErr(Scope, code.InvalidMeasurementID, fmt.Sprintf("missing measurement id: %s", strings.Join(s, " ")))
 }
 
 // InvalidMeasurementIDL logs error message and returns Err
-func InvalidMeasurementIDL(l logx.Logger, s ...string) *Err {
+func InvalidMeasurementIDL(l logx.Logger, s ...string) *LibError {
 	e := InvalidMeasurementID(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // ResourceExpired returns Err
-func ResourceExpired(s ...string) *Err {
+func ResourceExpired(s ...string) *LibError {
 	return newErr(Scope, code.ResourceExpired, fmt.Sprintf("resource expired: %s", strings.Join(s, " ")))
 }
 
 // ResourceExpiredL logs error message and returns Err
-func ResourceExpiredL(l logx.Logger, s ...string) *Err {
+func ResourceExpiredL(l logx.Logger, s ...string) *LibError {
 	e := ResourceExpired(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // ResourceMigrated returns Err
-func ResourceMigrated(s ...string) *Err {
+func ResourceMigrated(s ...string) *LibError {
 	return newErr(Scope, code.ResourceMigrated, fmt.Sprintf("resource migrated: %s", strings.Join(s, " ")))
 }
 
 // ResourceMigratedL logs error message and returns Err
-func ResourceMigratedL(l logx.Logger, s ...string) *Err {
+func ResourceMigratedL(l logx.Logger, s ...string) *LibError {
 	e := ResourceMigrated(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // InsufficientQuota returns Err
-func InsufficientQuota(s ...string) *Err {
+func InsufficientQuota(s ...string) *LibError {
 	return newErr(Scope, code.InsufficientQuota, fmt.Sprintf("insufficient quota: %s", strings.Join(s, " ")))
 }
 
 // InsufficientQuotaL logs error message and returns Err
-func InsufficientQuotaL(l logx.Logger, s ...string) *Err {
+func InsufficientQuotaL(l logx.Logger, s ...string) *LibError {
 	e := InsufficientQuota(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 /*** CatAuth ***/
 
 // Unauthorized returns Err
-func Unauthorized(s ...string) *Err {
+func Unauthorized(s ...string) *LibError {
 	return newErr(Scope, code.Unauthorized, fmt.Sprintf("unauthorized: %s", strings.Join(s, " ")))
 }
 
 // UnauthorizedL logs error message and returns Err
-func UnauthorizedL(l logx.Logger, s ...string) *Err {
+func UnauthorizedL(l logx.Logger, s ...string) *LibError {
 	e := Unauthorized(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // AuthExpired returns Err
-func AuthExpired(s ...string) *Err {
+func AuthExpired(s ...string) *LibError {
 	return newErr(Scope, code.AuthExpired, fmt.Sprintf("expired: %s", strings.Join(s, " ")))
 }
 
 // AuthExpiredL logs error message and returns Err
-func AuthExpiredL(l logx.Logger, s ...string) *Err {
+func AuthExpiredL(l logx.Logger, s ...string) *LibError {
 	e := AuthExpired(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // InvalidPosixTime returns Err
-func InvalidPosixTime(s ...string) *Err {
+func InvalidPosixTime(s ...string) *LibError {
 	return newErr(Scope, code.InvalidPosixTime, fmt.Sprintf("invalid posix time: %s", strings.Join(s, " ")))
 }
 
 // InvalidPosixTimeL logs error message and returns Err
-func InvalidPosixTimeL(l logx.Logger, s ...string) *Err {
+func InvalidPosixTimeL(l logx.Logger, s ...string) *LibError {
 	e := InvalidPosixTime(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // SigAndPayloadNotMatched returns Err
-func SigAndPayloadNotMatched(s ...string) *Err {
+func SigAndPayloadNotMatched(s ...string) *LibError {
 	return newErr(Scope, code.SigAndPayloadNotMatched, fmt.Sprintf("signature and the payload are not match: %s", strings.Join(s, " ")))
 }
 
 // SigAndPayloadNotMatchedL logs error message and returns Err
-func SigAndPayloadNotMatchedL(l logx.Logger, s ...string) *Err {
+func SigAndPayloadNotMatchedL(l logx.Logger, s ...string) *LibError {
 	e := SigAndPayloadNotMatched(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // Forbidden returns Err
-func Forbidden(s ...string) *Err {
+func Forbidden(s ...string) *LibError {
 	return newErr(Scope, code.Forbidden, fmt.Sprintf("forbidden: %s", strings.Join(s, " ")))
 }
 
 // ForbiddenL logs error message and returns Err
-func ForbiddenL(l logx.Logger, s ...string) *Err {
+func ForbiddenL(l logx.Logger, s ...string) *LibError {
 	e := Forbidden(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // IsAuthUnauthorizedError check the err is unauthorized error
-func IsAuthUnauthorizedError(err *Err) bool {
+func IsAuthUnauthorizedError(err *LibError) bool {
 	switch err.Code() {
 	case code.Unauthorized, code.AuthExpired, code.InvalidPosixTime,
 		code.SigAndPayloadNotMatched, code.Forbidden,
@@ -399,44 +425,47 @@ func IsAuthUnauthorizedError(err *Err) bool {
 /*** CatXBC ***/
 
 // ArkInternal returns Err
-func ArkInternal(s ...string) *Err {
+func ArkInternal(s ...string) *LibError {
 	return newErr(Scope, code.ArkInternal, fmt.Sprintf("ark internal error: %s", strings.Join(s, " ")))
 }
 
 // ArkInternalL logs error message and returns Err
-func ArkInternalL(l logx.Logger, s ...string) *Err {
+func ArkInternalL(l logx.Logger, s ...string) *LibError {
 	e := ArkInternal(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 /*** CatPubSub ***/
 
 // Publish returns Err
-func Publish(s ...string) *Err {
+func Publish(s ...string) *LibError {
 	return newErr(Scope, code.Publish, fmt.Sprintf("publish: %s", strings.Join(s, " ")))
 }
 
 // PublishL logs error message and returns Err
-func PublishL(l logx.Logger, s ...string) *Err {
+func PublishL(l logx.Logger, s ...string) *LibError {
 	e := Publish(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }
 
 // Consume returns Err
-func Consume(s ...string) *Err {
+func Consume(s ...string) *LibError {
 	return newErr(Scope, code.Consume, fmt.Sprintf("consume: %s", strings.Join(s, " ")))
 }
 
 // MsgSizeTooLarge returns Err
-func MsgSizeTooLarge(s ...string) *Err {
+func MsgSizeTooLarge(s ...string) *LibError {
 	return newErr(Scope, code.MsgSizeTooLarge, fmt.Sprintf("kafka error: %s", strings.Join(s, " ")))
 }
 
 // MsgSizeTooLargeL logs error message and returns Err
-func MsgSizeTooLargeL(l logx.Logger, s ...string) *Err {
+func MsgSizeTooLargeL(l logx.Logger, s ...string) *LibError {
 	e := MsgSizeTooLarge(s...)
 	l.WithCallerSkip(1).Error(e.Error())
+
 	return e
 }

errors/easy_func_test.go

@@ -1,7 +1,6 @@
-package error
+package errors
 
 import (
-	"code.30cm.net/digimon/library-go/errors/code"
 	"context"
 	"errors"
 	"fmt"
@@ -9,6 +8,8 @@ import (
 	"strconv"
 	"testing"
 
+	"code.30cm.net/digimon/library-go/errors/code"
+
 	"github.com/golang/mock/gomock"
 	"github.com/stretchr/testify/assert"
 	"github.com/zeromicro/go-zero/core/logx"
@@ -74,7 +75,7 @@ func TestFromGRPCError_GivenGeneralError_ShouldReturnErr_Scope0_CatGRPC_DetailGR
 
 func TestToGRPCError_GivenErr_StatusShouldHave_Code112233(t *testing.T) {
 	// setup
-	e := Err{scope: 11, code: 2233, msg: "FAKE MSG"}
+	e := LibError{scope: 11, code: 2233, msg: "FAKE MSG"}
 
 	// act
 	err := ToGRPCError(&e)
@@ -998,7 +999,7 @@ func TestFromError(t *testing.T) {
 	tests := []struct {
 		name       string
 		givenError error
-		want       *Err
+		want       *LibError
 	}{
 		{
 			"given nil error should return nil",

errors/errors.go

@@ -1,11 +1,12 @@
-package error
+package errors
 
 import (
-	code2 "code.30cm.net/digimon/library-go/errors/code"
 	"errors"
 	"fmt"
 	"net/http"
 
+	code2 "code.30cm.net/digimon/library-go/errors/code"
+
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
@@ -13,8 +14,8 @@ import (
 // Scope 全域變數應由服務或模組設置
 var Scope = code2.Unset
 
-// Err 6 碼，服務 2, 大類 2, 詳細錯誤 2
+// LibError 6 碼，服務 2, 大類 2, 詳細錯誤 2
-type Err struct {
+type LibError struct {
 	category    uint32
 	code        uint32
 	scope       uint32
@@ -24,7 +25,7 @@ type Err struct {
 
 // Error 是錯誤的介面
 // 私有屬性 "msg" 的 getter 函數
-func (e *Err) Error() string {
+func (e *LibError) Error() string {
 	if e == nil {
 		return ""
 	}
@@ -39,6 +40,7 @@ func (e *Err) Error() string {
 		if internalErrStr != "" {
 			return fmt.Sprintf("%s: %s", e.msg, internalErrStr)
 		}
+
 		return e.msg
 	}
 
@@ -46,19 +48,21 @@ func (e *Err) Error() string {
 	if internalErrStr != "" {
 		return fmt.Sprintf("%s: %s", generalErrStr, internalErrStr)
 	}
+
 	return generalErrStr
 }
 
 // Category 私有屬性 "category" 的 getter 函數
-func (e *Err) Category() uint32 {
+func (e *LibError) Category() uint32 {
 	if e == nil {
 		return 0
 	}
+
 	return e.category
 }
 
 // Scope 私有屬性 "scope" 的 getter 函數
-func (e *Err) Scope() uint32 {
+func (e *LibError) Scope() uint32 {
 	if e == nil {
 		return code2.Unset
 	}
@@ -67,7 +71,7 @@ func (e *Err) Scope() uint32 {
 }
 
 // CodeStr 返回帶有零填充的錯誤代碼字串
-func (e *Err) CodeStr() string {
+func (e *LibError) CodeStr() string {
 	if e == nil {
 		return "00000"
 	}
@@ -80,7 +84,7 @@ func (e *Err) CodeStr() string {
 }
 
 // Code 私有屬性 "code" 的 getter 函數
-func (e *Err) Code() uint32 {
+func (e *LibError) Code() uint32 {
 	if e == nil {
 		return code2.OK
 	}
@@ -88,7 +92,7 @@ func (e *Err) Code() uint32 {
 	return e.code
 }
 
-func (e *Err) FullCode() uint32 {
+func (e *LibError) FullCode() uint32 {
 	if e == nil {
 		return 0
 	}
@@ -101,7 +105,7 @@ func (e *Err) FullCode() uint32 {
 }
 
 // HTTPStatus 返回對應的 HTTP 狀態碼
-func (e *Err) HTTPStatus() int {
+func (e *LibError) HTTPStatus() int {
 	if e == nil || e.Code() == code2.OK {
 		return http.StatusOK
 	}
@@ -143,7 +147,7 @@ func (e *Err) HTTPStatus() int {
 
 // GeneralError 轉換 category 級別錯誤訊息
 // 這是給客戶或 API 調用者的一般錯誤訊息
-func (e *Err) GeneralError() string {
+func (e *LibError) GeneralError() string {
 	if e == nil {
 		return ""
 	}
@@ -160,34 +164,37 @@ func (e *Err) GeneralError() string {
 // 除非你非常確定你在做什麼，否則不要直接使用這個函數。
 // 請使用 errors.Is 代替。
 // 此函數比較兩個錯誤變量是否都是 *Err，並且具有相同的 code（不檢查包裹的內部錯誤）
-func (e *Err) Is(f error) bool {
+func (e *LibError) Is(f error) bool {
-	var err *Err
+	var err *LibError
 	ok := errors.As(f, &err)
 	if !ok {
 		return false
 	}
+
 	return e.Code() == err.Code()
 }
 
 // Unwrap 返回底層錯誤
 // 解除包裹錯誤的結果本身可能具有 Unwrap 方法;
 // 我們稱通過反覆解除包裹產生的錯誤序列為錯誤鏈。
-func (e *Err) Unwrap() error {
+func (e *LibError) Unwrap() error {
 	if e == nil {
 		return nil
 	}
+
 	return e.internalErr
 }
 
 // Wrap 將內部錯誤設置到 Err 結構
-func (e *Err) Wrap(internalErr error) *Err {
+func (e *LibError) Wrap(internalErr error) *LibError {
 	if e != nil {
 		e.internalErr = internalErr
 	}
+
 	return e
 }
 
-func (e *Err) GRPCStatus() *status.Status {
+func (e *LibError) GRPCStatus() *status.Status {
 	if e == nil {
 		return status.New(codes.OK, "")
 	}
@@ -198,8 +205,8 @@ func (e *Err) GRPCStatus() *status.Status {
 // 工廠函數
 
 // NewErr 創建新的 Err
-func NewErr(scope, category, detail uint32, msg string) *Err {
+func NewErr(scope, category, detail uint32, msg string) *LibError {
-	return &Err{
+	return &LibError{
 		category: category,
 		code:     detail,
 		scope:    scope,
@@ -208,8 +215,8 @@ func NewErr(scope, category, detail uint32, msg string) *Err {
 }
 
 // NewGRPCErr 創建新的 gRPC Err
-func NewGRPCErr(scope, detail uint32, msg string) *Err {
+func NewGRPCErr(scope, detail uint32, msg string) *LibError {
-	return &Err{
+	return &LibError{
 		category: code2.CatGRPC,
 		code:     detail,
 		scope:    scope,

errors/errors_test.go

@@ -1,12 +1,13 @@
-package error
+package errors
 
 import (
-	code2 "code.30cm.net/digimon/library-go/errors/code"
 	"errors"
 	"fmt"
 	"net/http"
 	"testing"
 
+	code2 "code.30cm.net/digimon/library-go/errors/code"
+
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
@@ -14,7 +15,7 @@ import (
 
 func TestCode_GivenNilReceiver_CodeReturnOK_CodeStrReturns00000(t *testing.T) {
 	// setup
-	var e *Err = nil
+	var e *LibError = nil
 
 	// act & assert
 	assert.Equal(t, code2.OK, e.Code())
@@ -24,7 +25,7 @@ func TestCode_GivenNilReceiver_CodeReturnOK_CodeStrReturns00000(t *testing.T) {
 
 func TestCode_GivenScope99DetailCode6687_ShouldReturn996687(t *testing.T) {
 	// setup
-	e := Err{scope: 99, code: 6687}
+	e := LibError{scope: 99, code: 6687}
 
 	// act & assert
 	assert.Equal(t, uint32(6687), e.Code())
@@ -33,7 +34,7 @@ func TestCode_GivenScope99DetailCode6687_ShouldReturn996687(t *testing.T) {
 
 func TestCode_GivenScope0DetailCode87_ShouldReturn87(t *testing.T) {
 	// setup
-	e := Err{scope: 0, code: 87}
+	e := LibError{scope: 0, code: 87}
 
 	// act & assert
 	assert.Equal(t, uint32(87), e.Code())
@@ -87,7 +88,7 @@ func TestErr_ShouldImplementErrorFunction(t *testing.T) {
 
 func TestGeneralError_GivenNilErr_ShouldReturnEmptyString(t *testing.T) {
 	// setup
-	var e *Err = nil
+	var e *LibError = nil
 
 	// act & assert
 	assert.Equal(t, "", e.GeneralError())
@@ -95,7 +96,7 @@ func TestGeneralError_GivenNilErr_ShouldReturnEmptyString(t *testing.T) {
 
 func TestGeneralError_GivenNotExistCat_ShouldReturnEmptyString(t *testing.T) {
 	// setup
-	e := Err{category: 123456}
+	e := LibError{category: 123456}
 
 	// act & assert
 	assert.Equal(t, "", e.GeneralError())
@@ -103,7 +104,7 @@ func TestGeneralError_GivenNotExistCat_ShouldReturnEmptyString(t *testing.T) {
 
 func TestGeneralError_GivenCatDB_ShouldReturnDBError(t *testing.T) {
 	// setup
-	e := Err{category: code2.CatDB}
+	e := LibError{category: code2.CatDB}
 	catErrStr := code2.CatToStr[code2.CatDB]
 
 	// act & assert
@@ -112,7 +113,7 @@ func TestGeneralError_GivenCatDB_ShouldReturnDBError(t *testing.T) {
 
 func TestError_GivenEmptyMsg_ShouldReturnCatGeneralErrorMessage(t *testing.T) {
 	// setup
-	e := Err{category: code2.CatDB, msg: ""}
+	e := LibError{category: code2.CatDB, msg: ""}
 
 	// act
 	errMsg := e.Error()
@@ -123,7 +124,7 @@ func TestError_GivenEmptyMsg_ShouldReturnCatGeneralErrorMessage(t *testing.T) {
 
 func TestError_GivenMsg_ShouldReturnGiveMsg(t *testing.T) {
 	// setup
-	e := Err{msg: "FAKE"}
+	e := LibError{msg: "FAKE"}
 
 	// act
 	errMsg := e.Error()
@@ -133,7 +134,7 @@ func TestError_GivenMsg_ShouldReturnGiveMsg(t *testing.T) {
 }
 
 func TestIs_GivenNilErr_ShouldReturnFalse(t *testing.T) {
-	var nilErrs *Err
+	var nilErrs *LibError
 	// act
 	result := errors.Is(nilErrs, DBError())
 	result2 := errors.Is(DBError(), nilErrs)
@@ -154,7 +155,7 @@ func TestIs_GivenNil_ShouldReturnFalse(t *testing.T) {
 }
 
 func TestIs_GivenNilReceiver_ShouldReturnCorrectResult(t *testing.T) {
-	var nilErr *Err = nil
+	var nilErr *LibError = nil
 
 	// test 1: nilErr != DBError
 	var dbErr error = DBError("fake db error")
@@ -165,7 +166,7 @@ func TestIs_GivenNilReceiver_ShouldReturnCorrectResult(t *testing.T) {
 	assert.False(t, nilErr.Is(nilError))
 
 	// test 3: nilErr == another nilErr
-	var nilErr2 *Err = nil
+	var nilErr2 *LibError = nil
 	assert.True(t, nilErr.Is(nilErr2))
 }
 
@@ -198,7 +199,7 @@ func TestIs_GivenDBErrorAssignToErrorType_ShouldReturnTrue(t *testing.T) {
 func TestWrap_GivenNilErr_ShouldNoPanic(t *testing.T) {
 	// act & assert
 	assert.NotPanics(t, func() {
-		var e *Err = nil
+		var e *LibError = nil
 		_ = e.Wrap(fmt.Errorf("test"))
 	})
 }
@@ -213,19 +214,19 @@ func TestWrap_GivenErrorToWrap_ShouldReturnErrorWithWrappedError(t *testing.T) {
 }
 
 func TestUnwrap_GivenNilErr_ShouldReturnNil(t *testing.T) {
-	var e *Err = nil
+	var e *LibError = nil
 	internalErr := e.Unwrap()
 	assert.Nil(t, internalErr)
 }
 
 func TestErrorsIs_GivenNilErr_ShouldReturnFalse(t *testing.T) {
-	var e *Err = nil
+	var e *LibError = nil
 	assert.False(t, errors.Is(e, fmt.Errorf("test")))
 }
 
 func TestErrorsAs_GivenNilErr_ShouldReturnFalse(t *testing.T) {
 	var internalErr *testErr
-	var e *Err = nil
+	var e *LibError = nil
 	assert.False(t, errors.As(e, &internalErr))
 }
 
@@ -233,7 +234,7 @@ func TestGRPCStatus(t *testing.T) {
 	// setup table driven tests
 	tests := []struct {
 		name          string
-		given         *Err
+		given         *LibError
 		expect        *status.Status
 		expectConvert error
 	}{
@@ -265,24 +266,24 @@ func TestGRPCStatus(t *testing.T) {
 func TestErr_HTTPStatus(t *testing.T) {
 	tests := []struct {
 		name string
-		err  *Err
+		err  *LibError
 		want int
 	}{
 		{name: "nil error", err: nil, want: http.StatusOK},
-		{name: "invalid measurement id", err: &Err{category: code2.CatResource, code: code2.InvalidMeasurementID}, want: http.StatusInternalServerError},
+		{name: "invalid measurement id", err: &LibError{category: code2.CatResource, code: code2.InvalidMeasurementID}, want: http.StatusInternalServerError},
-		{name: "resource already exists", err: &Err{category: code2.CatResource, code: code2.ResourceAlreadyExist}, want: http.StatusConflict},
+		{name: "resource already exists", err: &LibError{category: code2.CatResource, code: code2.ResourceAlreadyExist}, want: http.StatusConflict},
-		{name: "invalid resource state", err: &Err{category: code2.CatResource, code: code2.InvalidResourceState}, want: http.StatusConflict},
+		{name: "invalid resource state", err: &LibError{category: code2.CatResource, code: code2.InvalidResourceState}, want: http.StatusConflict},
-		{name: "invalid posix time", err: &Err{category: code2.CatAuth, code: code2.InvalidPosixTime}, want: http.StatusForbidden},
+		{name: "invalid posix time", err: &LibError{category: code2.CatAuth, code: code2.InvalidPosixTime}, want: http.StatusForbidden},
-		{name: "unauthorized", err: &Err{category: code2.CatAuth, code: code2.Unauthorized}, want: http.StatusUnauthorized},
+		{name: "unauthorized", err: &LibError{category: code2.CatAuth, code: code2.Unauthorized}, want: http.StatusUnauthorized},
-		{name: "db error", err: &Err{category: code2.CatDB, code: code2.DBError}, want: http.StatusInternalServerError},
+		{name: "db error", err: &LibError{category: code2.CatDB, code: code2.DBError}, want: http.StatusInternalServerError},
-		{name: "insufficient permission", err: &Err{category: code2.CatResource, code: code2.InsufficientPermission}, want: http.StatusUnauthorized},
+		{name: "insufficient permission", err: &LibError{category: code2.CatResource, code: code2.InsufficientPermission}, want: http.StatusUnauthorized},
-		{name: "resource insufficient", err: &Err{category: code2.CatResource, code: code2.ResourceInsufficient}, want: http.StatusBadRequest},
+		{name: "resource insufficient", err: &LibError{category: code2.CatResource, code: code2.ResourceInsufficient}, want: http.StatusBadRequest},
-		{name: "invalid format", err: &Err{category: code2.CatInput, code: code2.InvalidFormat}, want: http.StatusBadRequest},
+		{name: "invalid format", err: &LibError{category: code2.CatInput, code: code2.InvalidFormat}, want: http.StatusBadRequest},
-		{name: "resource not found", err: &Err{code: code2.ResourceNotFound}, want: http.StatusNotFound},
+		{name: "resource not found", err: &LibError{code: code2.ResourceNotFound}, want: http.StatusNotFound},
-		{name: "ok", err: &Err{code: code2.OK}, want: http.StatusOK},
+		{name: "ok", err: &LibError{code: code2.OK}, want: http.StatusOK},
-		{name: "not valid implementation", err: &Err{category: code2.CatInput, code: code2.NotValidImplementation}, want: http.StatusNotImplemented},
+		{name: "not valid implementation", err: &LibError{category: code2.CatInput, code: code2.NotValidImplementation}, want: http.StatusNotImplemented},
-		{name: "forbidden", err: &Err{category: code2.CatAuth, code: code2.Forbidden}, want: http.StatusForbidden},
+		{name: "forbidden", err: &LibError{category: code2.CatAuth, code: code2.Forbidden}, want: http.StatusForbidden},
-		{name: "insufficient quota", err: &Err{category: code2.CatResource, code: code2.InsufficientQuota}, want: http.StatusPaymentRequired},
+		{name: "insufficient quota", err: &LibError{category: code2.CatResource, code: code2.InsufficientQuota}, want: http.StatusPaymentRequired},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {