refactor: audio relay

common/str.go

@@ -0,0 +1,73 @@
+package common
+
+import (
+	"encoding/json"
+	"math/rand"
+	"strconv"
+	"unsafe"
+)
+
+func GetStringIfEmpty(str string, defaultValue string) string {
+	if str == "" {
+		return defaultValue
+	}
+	return str
+}
+
+func GetRandomString(length int) string {
+	//rand.Seed(time.Now().UnixNano())
+	key := make([]byte, length)
+	for i := 0; i < length; i++ {
+		key[i] = keyChars[rand.Intn(len(keyChars))]
+	}
+	return string(key)
+}
+
+func MapToJsonStr(m map[string]interface{}) string {
+	bytes, err := json.Marshal(m)
+	if err != nil {
+		return ""
+	}
+	return string(bytes)
+}
+
+func MapToJsonStrFloat(m map[string]float64) string {
+	bytes, err := json.Marshal(m)
+	if err != nil {
+		return ""
+	}
+	return string(bytes)
+}
+
+func StrToMap(str string) map[string]interface{} {
+	m := make(map[string]interface{})
+	err := json.Unmarshal([]byte(str), &m)
+	if err != nil {
+		return nil
+	}
+	return m
+}
+
+func String2Int(str string) int {
+	num, err := strconv.Atoi(str)
+	if err != nil {
+		return 0
+	}
+	return num
+}
+
+func StringsContains(strs []string, str string) bool {
+	for _, s := range strs {
+		if s == str {
+			return true
+		}
+	}
+	return false
+}
+
+// StringToByteSlice []byte only read, panic on append
+func StringToByteSlice(s string) []byte {
+	tmp1 := (*[2]uintptr)(unsafe.Pointer(&s))
+	tmp2 := [3]uintptr{tmp1[0], tmp1[1], tmp1[1]}
+	return *(*[]byte)(unsafe.Pointer(&tmp2))
+}

common/utils.go

@@ -1,7 +1,6 @@
 package common
 
 import (
-	"encoding/json"
 	"fmt"
 	"github.com/google/uuid"
 	"html/template"
@@ -13,7 +12,6 @@ import (
 	"strconv"
 	"strings"
 	"time"
-	"unsafe"
 )
 
 func OpenBrowser(url string) {
@@ -159,15 +157,6 @@ func GenerateKey() string {
 	return string(key)
 }
 
-func GetRandomString(length int) string {
-	//rand.Seed(time.Now().UnixNano())
-	key := make([]byte, length)
-	for i := 0; i < length; i++ {
-		key[i] = keyChars[rand.Intn(len(keyChars))]
-	}
-	return string(key)
-}
-
 func GetRandomInt(max int) int {
 	//rand.Seed(time.Now().UnixNano())
 	return rand.Intn(max)
@@ -194,56 +183,7 @@ func MessageWithRequestId(message string, id string) string {
 	return fmt.Sprintf("%s (request id: %s)", message, id)
 }
 
-func String2Int(str string) int {
-	num, err := strconv.Atoi(str)
-	if err != nil {
-		return 0
-	}
-	return num
-}
-
-func StringsContains(strs []string, str string) bool {
-	for _, s := range strs {
-		if s == str {
-			return true
-		}
-	}
-	return false
-}
-
-// StringToByteSlice []byte only read, panic on append
-func StringToByteSlice(s string) []byte {
-	tmp1 := (*[2]uintptr)(unsafe.Pointer(&s))
-	tmp2 := [3]uintptr{tmp1[0], tmp1[1], tmp1[1]}
-	return *(*[]byte)(unsafe.Pointer(&tmp2))
-}
-
 func RandomSleep() {
 	// Sleep for 0-3000 ms
 	time.Sleep(time.Duration(rand.Intn(3000)) * time.Millisecond)
 }
-
-func MapToJsonStr(m map[string]interface{}) string {
-	bytes, err := json.Marshal(m)
-	if err != nil {
-		return ""
-	}
-	return string(bytes)
-}
-
-func MapToJsonStrFloat(m map[string]float64) string {
-	bytes, err := json.Marshal(m)
-	if err != nil {
-		return ""
-	}
-	return string(bytes)
-}
-
-func StrToMap(str string) map[string]interface{} {
-	m := make(map[string]interface{})
-	err := json.Unmarshal([]byte(str), &m)
-	if err != nil {
-		return nil
-	}
-	return m
-}