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169 lines
3.2 KiB
169 lines
3.2 KiB
package utils
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import (
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"hash/crc32"
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"math/rand"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/jinzhu/copier"
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"github.com/pkg/errors"
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"google.golang.org/protobuf/proto"
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)
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// copy a by b b->a
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func CopyStructFields(a interface{}, b interface{}, fields ...string) (err error) {
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return copier.Copy(a, b)
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}
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func Wrap1(err error) error {
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return errors.Wrap(err, "==> "+printCallerNameAndLine())
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}
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func Wrap2[T any](a T, err error) (T, error) {
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if err != nil {
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return a, errors.Wrap(err, "==> "+printCallerNameAndLine())
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}
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return a, nil
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}
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func Wrap3[T any, V any](a T, b V, err error) (T, V, error) {
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if err != nil {
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return a, b, errors.Wrap(err, "==> "+printCallerNameAndLine())
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}
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return a, b, nil
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}
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func Wrap(err error, message string) error {
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return errors.Wrap(err, "==> "+printCallerNameAndLine()+message)
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}
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func WithMessage(err error, message string) error {
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return errors.WithMessage(err, "==> "+printCallerNameAndLine()+message)
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}
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func printCallerNameAndLine() string {
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pc, _, line, _ := runtime.Caller(2)
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return runtime.FuncForPC(pc).Name() + "()@" + strconv.Itoa(line) + ": "
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}
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func GetSelfFuncName() string {
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pc, _, _, _ := runtime.Caller(1)
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return cleanUpFuncName(runtime.FuncForPC(pc).Name())
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}
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func GetFuncName(skips ...int) string {
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skip := 1
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if len(skips) > 0 {
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skip = skips[0] + 1
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}
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pc, _, _, _ := runtime.Caller(skip)
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return cleanUpFuncName(runtime.FuncForPC(pc).Name())
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}
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func cleanUpFuncName(funcName string) string {
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end := strings.LastIndex(funcName, ".")
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if end == -1 {
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return ""
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}
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return funcName[end+1:]
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}
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// Get the intersection of two slices
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func Intersect(slice1, slice2 []int64) []int64 {
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m := make(map[int64]bool)
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n := make([]int64, 0)
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for _, v := range slice1 {
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m[v] = true
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}
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for _, v := range slice2 {
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flag, _ := m[v]
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if flag {
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n = append(n, v)
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}
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}
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return n
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}
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// Get the diff of two slices
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func Difference(slice1, slice2 []int64) []int64 {
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m := make(map[int64]bool)
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n := make([]int64, 0)
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inter := Intersect(slice1, slice2)
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for _, v := range inter {
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m[v] = true
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}
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for _, v := range slice1 {
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if !m[v] {
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n = append(n, v)
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}
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}
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for _, v := range slice2 {
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if !m[v] {
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n = append(n, v)
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}
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}
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return n
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}
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// Get the intersection of two slices
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func IntersectString(slice1, slice2 []string) []string {
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m := make(map[string]bool)
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n := make([]string, 0)
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for _, v := range slice1 {
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m[v] = true
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}
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for _, v := range slice2 {
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flag, _ := m[v]
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if flag {
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n = append(n, v)
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}
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}
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return n
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}
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// Get the diff of two slices
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func DifferenceString(slice1, slice2 []string) []string {
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m := make(map[string]bool)
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n := make([]string, 0)
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inter := IntersectString(slice1, slice2)
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for _, v := range inter {
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m[v] = true
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}
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for _, v := range slice1 {
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if !m[v] {
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n = append(n, v)
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}
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}
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for _, v := range slice2 {
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if !m[v] {
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n = append(n, v)
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}
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}
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return n
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}
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func OperationIDGenerator() string {
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return strconv.FormatInt(time.Now().UnixNano()+int64(rand.Uint32()), 10)
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}
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func Pb2String(pb proto.Message) (string, error) {
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s, err := proto.Marshal(pb)
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if err != nil {
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return "", err
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}
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return string(s), nil
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}
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func String2Pb(s string, pb proto.Message) error {
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return proto.Unmarshal([]byte(s), pb)
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}
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func GetHashCode(s string) uint32 {
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return crc32.ChecksumIEEE([]byte(s))
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}
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