// Copyright © 2023 OpenIM. All rights reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package utils import ( "encoding/json" "math/rand" "strconv" ) func IntToString(i int) string { return strconv.FormatInt(int64(i), 10) } func StringToInt(i string) int { j, _ := strconv.Atoi(i) return j } func StringToInt64(i string) int64 { j, _ := strconv.ParseInt(i, 10, 64) return j } func StringToInt32(i string) int32 { j, _ := strconv.ParseInt(i, 10, 64) return int32(j) } func Int32ToString(i int32) string { return strconv.FormatInt(int64(i), 10) } func Uint32ToString(i uint32) string { return strconv.FormatInt(int64(i), 10) } // judge a string whether in the string list func IsContain(target string, List []string) bool { for _, element := range List { if target == element { return true } } return false } func IsContainInt32(target int32, List []int32) bool { for _, element := range List { if target == element { return true } } return false } func IsContainInt(target int, List []int) bool { for _, element := range List { if target == element { return true } } return false } func InterfaceArrayToStringArray(data []interface{}) (i []string) { for _, param := range data { i = append(i, param.(string)) } return i } func StructToJsonString(param interface{}) string { dataType, _ := json.Marshal(param) dataString := string(dataType) return dataString } func StructToJsonBytes(param interface{}) []byte { dataType, _ := json.Marshal(param) return dataType } // The incoming parameter must be a pointer func JsonStringToStruct(s string, args interface{}) error { err := json.Unmarshal([]byte(s), args) return err } func GetMsgID(sendID string) string { t := int64ToString(GetCurrentTimestampByNano()) return Md5(t + sendID + int64ToString(rand.Int63n(GetCurrentTimestampByNano()))) } func int64ToString(i int64) string { return strconv.FormatInt(i, 10) } func Int64ToString(i int64) string { return strconv.FormatInt(i, 10) } func RemoveDuplicateElement(idList []string) []string { result := make([]string, 0, len(idList)) temp := map[string]struct{}{} for _, item := range idList { if _, ok := temp[item]; !ok { temp[item] = struct{}{} result = append(result, item) } } return result } func RemoveDuplicate[T comparable](arr []T) []T { result := make([]T, 0, len(arr)) temp := map[T]struct{}{} for _, item := range arr { if _, ok := temp[item]; !ok { temp[item] = struct{}{} result = append(result, item) } } return result } func IsDuplicateStringSlice(arr []string) bool { t := make(map[string]struct{}) for _, s := range arr { if _, ok := t[s]; ok { return true } t[s] = struct{}{} } return false }