refactor: refactor config part

common/config/config.go

@@ -0,0 +1,127 @@
+package config
+
+import (
+	"one-api/common/helper"
+	"os"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+var SystemName = "One API"
+var ServerAddress = "http://localhost:3000"
+var Footer = ""
+var Logo = ""
+var TopUpLink = ""
+var ChatLink = ""
+var QuotaPerUnit = 500 * 1000.0 // $0.002 / 1K tokens
+var DisplayInCurrencyEnabled = true
+var DisplayTokenStatEnabled = true
+
+// Any options with "Secret", "Token" in its key won't be return by GetOptions
+
+var SessionSecret = uuid.New().String()
+
+var OptionMap map[string]string
+var OptionMapRWMutex sync.RWMutex
+
+var ItemsPerPage = 10
+var MaxRecentItems = 100
+
+var PasswordLoginEnabled = true
+var PasswordRegisterEnabled = true
+var EmailVerificationEnabled = false
+var GitHubOAuthEnabled = false
+var WeChatAuthEnabled = false
+var TurnstileCheckEnabled = false
+var RegisterEnabled = true
+
+var EmailDomainRestrictionEnabled = false
+var EmailDomainWhitelist = []string{
+	"gmail.com",
+	"163.com",
+	"126.com",
+	"qq.com",
+	"outlook.com",
+	"hotmail.com",
+	"icloud.com",
+	"yahoo.com",
+	"foxmail.com",
+}
+
+var DebugEnabled = os.Getenv("DEBUG") == "true"
+var MemoryCacheEnabled = os.Getenv("MEMORY_CACHE_ENABLED") == "true"
+
+var LogConsumeEnabled = true
+
+var SMTPServer = ""
+var SMTPPort = 587
+var SMTPAccount = ""
+var SMTPFrom = ""
+var SMTPToken = ""
+
+var GitHubClientId = ""
+var GitHubClientSecret = ""
+
+var WeChatServerAddress = ""
+var WeChatServerToken = ""
+var WeChatAccountQRCodeImageURL = ""
+
+var TurnstileSiteKey = ""
+var TurnstileSecretKey = ""
+
+var QuotaForNewUser = 0
+var QuotaForInviter = 0
+var QuotaForInvitee = 0
+var ChannelDisableThreshold = 5.0
+var AutomaticDisableChannelEnabled = false
+var AutomaticEnableChannelEnabled = false
+var QuotaRemindThreshold = 1000
+var PreConsumedQuota = 500
+var ApproximateTokenEnabled = false
+var RetryTimes = 0
+
+var RootUserEmail = ""
+
+var IsMasterNode = os.Getenv("NODE_TYPE") != "slave"
+
+var requestInterval, _ = strconv.Atoi(os.Getenv("POLLING_INTERVAL"))
+var RequestInterval = time.Duration(requestInterval) * time.Second
+
+var SyncFrequency = helper.GetOrDefaultEnvInt("SYNC_FREQUENCY", 10*60) // unit is second
+
+var BatchUpdateEnabled = false
+var BatchUpdateInterval = helper.GetOrDefaultEnvInt("BATCH_UPDATE_INTERVAL", 5)
+
+var RelayTimeout = helper.GetOrDefaultEnvInt("RELAY_TIMEOUT", 0) // unit is second
+
+var GeminiSafetySetting = helper.GetOrDefaultEnvString("GEMINI_SAFETY_SETTING", "BLOCK_NONE")
+
+var Theme = helper.GetOrDefaultEnvString("THEME", "default")
+var ValidThemes = map[string]bool{
+	"default": true,
+	"berry":   true,
+}
+
+// All duration's unit is seconds
+// Shouldn't larger then RateLimitKeyExpirationDuration
+var (
+	GlobalApiRateLimitNum            = helper.GetOrDefaultEnvInt("GLOBAL_API_RATE_LIMIT", 180)
+	GlobalApiRateLimitDuration int64 = 3 * 60
+
+	GlobalWebRateLimitNum            = helper.GetOrDefaultEnvInt("GLOBAL_WEB_RATE_LIMIT", 60)
+	GlobalWebRateLimitDuration int64 = 3 * 60
+
+	UploadRateLimitNum            = 10
+	UploadRateLimitDuration int64 = 60
+
+	DownloadRateLimitNum            = 10
+	DownloadRateLimitDuration int64 = 60
+
+	CriticalRateLimitNum            = 20
+	CriticalRateLimitDuration int64 = 20 * 60
+)
+
+var RateLimitKeyExpirationDuration = 20 * time.Minute

common/constants.go

@@ -1,114 +1,9 @@
 package common
 
-import (
-	"os"
-	"strconv"
-	"sync"
-	"time"
-
-	"github.com/google/uuid"
-)
+import "time"
 
 var StartTime = time.Now().Unix() // unit: second
 var Version = "v0.0.0"            // this hard coding will be replaced automatically when building, no need to manually change
-var SystemName = "One API"
-var ServerAddress = "http://localhost:3000"
-var Footer = ""
-var Logo = ""
-var TopUpLink = ""
-var ChatLink = ""
-var QuotaPerUnit = 500 * 1000.0 // $0.002 / 1K tokens
-var DisplayInCurrencyEnabled = true
-var DisplayTokenStatEnabled = true
-
-// Any options with "Secret", "Token" in its key won't be return by GetOptions
-
-var SessionSecret = uuid.New().String()
-
-var OptionMap map[string]string
-var OptionMapRWMutex sync.RWMutex
-
-var ItemsPerPage = 10
-var MaxRecentItems = 100
-
-var PasswordLoginEnabled = true
-var PasswordRegisterEnabled = true
-var EmailVerificationEnabled = false
-var GitHubOAuthEnabled = false
-var WeChatAuthEnabled = false
-var TurnstileCheckEnabled = false
-var RegisterEnabled = true
-
-var EmailDomainRestrictionEnabled = false
-var EmailDomainWhitelist = []string{
-	"gmail.com",
-	"163.com",
-	"126.com",
-	"qq.com",
-	"outlook.com",
-	"hotmail.com",
-	"icloud.com",
-	"yahoo.com",
-	"foxmail.com",
-}
-
-var DebugEnabled = os.Getenv("DEBUG") == "true"
-var MemoryCacheEnabled = os.Getenv("MEMORY_CACHE_ENABLED") == "true"
-
-var LogConsumeEnabled = true
-
-var SMTPServer = ""
-var SMTPPort = 587
-var SMTPAccount = ""
-var SMTPFrom = ""
-var SMTPToken = ""
-
-var GitHubClientId = ""
-var GitHubClientSecret = ""
-
-var WeChatServerAddress = ""
-var WeChatServerToken = ""
-var WeChatAccountQRCodeImageURL = ""
-
-var TurnstileSiteKey = ""
-var TurnstileSecretKey = ""
-
-var QuotaForNewUser = 0
-var QuotaForInviter = 0
-var QuotaForInvitee = 0
-var ChannelDisableThreshold = 5.0
-var AutomaticDisableChannelEnabled = false
-var AutomaticEnableChannelEnabled = false
-var QuotaRemindThreshold = 1000
-var PreConsumedQuota = 500
-var ApproximateTokenEnabled = false
-var RetryTimes = 0
-
-var RootUserEmail = ""
-
-var IsMasterNode = os.Getenv("NODE_TYPE") != "slave"
-
-var requestInterval, _ = strconv.Atoi(os.Getenv("POLLING_INTERVAL"))
-var RequestInterval = time.Duration(requestInterval) * time.Second
-
-var SyncFrequency = GetOrDefaultEnvInt("SYNC_FREQUENCY", 10*60) // unit is second
-
-var BatchUpdateEnabled = false
-var BatchUpdateInterval = GetOrDefaultEnvInt("BATCH_UPDATE_INTERVAL", 5)
-
-var RelayTimeout = GetOrDefaultEnvInt("RELAY_TIMEOUT", 0) // unit is second
-
-var GeminiSafetySetting = GetOrDefaultEnvString("GEMINI_SAFETY_SETTING", "BLOCK_NONE")
-
-var Theme = GetOrDefaultEnvString("THEME", "default")
-var ValidThemes = map[string]bool{
-	"default": true,
-	"berry":   true,
-}
-
-const (
-	RequestIdKey = "X-Oneapi-Request-Id"
-)
 
 const (
 	RoleGuestUser  = 0
@@ -117,34 +12,6 @@ const (
 	RoleRootUser   = 100
 )
 
-var (
-	FileUploadPermission    = RoleGuestUser
-	FileDownloadPermission  = RoleGuestUser
-	ImageUploadPermission   = RoleGuestUser
-	ImageDownloadPermission = RoleGuestUser
-)
-
-// All duration's unit is seconds
-// Shouldn't larger then RateLimitKeyExpirationDuration
-var (
-	GlobalApiRateLimitNum            = GetOrDefaultEnvInt("GLOBAL_API_RATE_LIMIT", 180)
-	GlobalApiRateLimitDuration int64 = 3 * 60
-
-	GlobalWebRateLimitNum            = GetOrDefaultEnvInt("GLOBAL_WEB_RATE_LIMIT", 60)
-	GlobalWebRateLimitDuration int64 = 3 * 60
-
-	UploadRateLimitNum            = 10
-	UploadRateLimitDuration int64 = 60
-
-	DownloadRateLimitNum            = 10
-	DownloadRateLimitDuration int64 = 60
-
-	CriticalRateLimitNum            = 20
-	CriticalRateLimitDuration int64 = 20 * 60
-)
-
-var RateLimitKeyExpirationDuration = 20 * time.Minute
-
 const (
 	UserStatusEnabled  = 1 // don't use 0, 0 is the default value!
 	UserStatusDisabled = 2 // also don't use 0

common/database.go

@@ -1,7 +1,9 @@
 package common
 
+import "one-api/common/helper"
+
 var UsingSQLite = false
 var UsingPostgreSQL = false
 
 var SQLitePath = "one-api.db"
-var SQLiteBusyTimeout = GetOrDefaultEnvInt("SQLITE_BUSY_TIMEOUT", 3000)
+var SQLiteBusyTimeout = helper.GetOrDefaultEnvInt("SQLITE_BUSY_TIMEOUT", 3000)

common/email.go

@@ -6,18 +6,19 @@ import (
 	"encoding/base64"
 	"fmt"
 	"net/smtp"
+	"one-api/common/config"
 	"strings"
 	"time"
 )
 
 func SendEmail(subject string, receiver string, content string) error {
-	if SMTPFrom == "" { // for compatibility
-		SMTPFrom = SMTPAccount
+	if config.SMTPFrom == "" { // for compatibility
+		config.SMTPFrom = config.SMTPAccount
 	}
 	encodedSubject := fmt.Sprintf("=?UTF-8?B?%s?=", base64.StdEncoding.EncodeToString([]byte(subject)))
 
 	// Extract domain from SMTPFrom
-	parts := strings.Split(SMTPFrom, "@")
+	parts := strings.Split(config.SMTPFrom, "@")
 	var domain string
 	if len(parts) > 1 {
 		domain = parts[1]
@@ -36,21 +37,21 @@ func SendEmail(subject string, receiver string, content string) error {
 		"Message-ID: %s\r\n"+ // add Message-ID header to avoid being treated as spam, RFC 5322
 		"Date: %s\r\n"+
 		"Content-Type: text/html; charset=UTF-8\r\n\r\n%s\r\n",
-		receiver, SystemName, SMTPFrom, encodedSubject, messageId, time.Now().Format(time.RFC1123Z), content))
-	auth := smtp.PlainAuth("", SMTPAccount, SMTPToken, SMTPServer)
-	addr := fmt.Sprintf("%s:%d", SMTPServer, SMTPPort)
+		receiver, config.SystemName, config.SMTPFrom, encodedSubject, messageId, time.Now().Format(time.RFC1123Z), content))
+	auth := smtp.PlainAuth("", config.SMTPAccount, config.SMTPToken, config.SMTPServer)
+	addr := fmt.Sprintf("%s:%d", config.SMTPServer, config.SMTPPort)
 	to := strings.Split(receiver, ";")
 
-	if SMTPPort == 465 {
+	if config.SMTPPort == 465 {
 		tlsConfig := &tls.Config{
 			InsecureSkipVerify: true,
-			ServerName:         SMTPServer,
+			ServerName:         config.SMTPServer,
 		}
-		conn, err := tls.Dial("tcp", fmt.Sprintf("%s:%d", SMTPServer, SMTPPort), tlsConfig)
+		conn, err := tls.Dial("tcp", fmt.Sprintf("%s:%d", config.SMTPServer, config.SMTPPort), tlsConfig)
 		if err != nil {
 			return err
 		}
-		client, err := smtp.NewClient(conn, SMTPServer)
+		client, err := smtp.NewClient(conn, config.SMTPServer)
 		if err != nil {
 			return err
 		}
@@ -58,7 +59,7 @@ func SendEmail(subject string, receiver string, content string) error {
 		if err = client.Auth(auth); err != nil {
 			return err
 		}
-		if err = client.Mail(SMTPFrom); err != nil {
+		if err = client.Mail(config.SMTPFrom); err != nil {
 			return err
 		}
 		receiverEmails := strings.Split(receiver, ";")
@@ -80,7 +81,7 @@ func SendEmail(subject string, receiver string, content string) error {
 			return err
 		}
 	} else {
-		err = smtp.SendMail(addr, auth, SMTPAccount, to, mail)
+		err = smtp.SendMail(addr, auth, config.SMTPAccount, to, mail)
 	}
 	return err
 }

common/helper/helper.go

@@ -0,0 +1,224 @@
+package helper
+
+import (
+	"fmt"
+	"github.com/google/uuid"
+	"html/template"
+	"log"
+	"math/rand"
+	"net"
+	"one-api/common/logger"
+	"os"
+	"os/exec"
+	"runtime"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func OpenBrowser(url string) {
+	var err error
+
+	switch runtime.GOOS {
+	case "linux":
+		err = exec.Command("xdg-open", url).Start()
+	case "windows":
+		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
+	case "darwin":
+		err = exec.Command("open", url).Start()
+	}
+	if err != nil {
+		log.Println(err)
+	}
+}
+
+func GetIp() (ip string) {
+	ips, err := net.InterfaceAddrs()
+	if err != nil {
+		log.Println(err)
+		return ip
+	}
+
+	for _, a := range ips {
+		if ipNet, ok := a.(*net.IPNet); ok && !ipNet.IP.IsLoopback() {
+			if ipNet.IP.To4() != nil {
+				ip = ipNet.IP.String()
+				if strings.HasPrefix(ip, "10") {
+					return
+				}
+				if strings.HasPrefix(ip, "172") {
+					return
+				}
+				if strings.HasPrefix(ip, "192.168") {
+					return
+				}
+				ip = ""
+			}
+		}
+	}
+	return
+}
+
+var sizeKB = 1024
+var sizeMB = sizeKB * 1024
+var sizeGB = sizeMB * 1024
+
+func Bytes2Size(num int64) string {
+	numStr := ""
+	unit := "B"
+	if num/int64(sizeGB) > 1 {
+		numStr = fmt.Sprintf("%.2f", float64(num)/float64(sizeGB))
+		unit = "GB"
+	} else if num/int64(sizeMB) > 1 {
+		numStr = fmt.Sprintf("%d", int(float64(num)/float64(sizeMB)))
+		unit = "MB"
+	} else if num/int64(sizeKB) > 1 {
+		numStr = fmt.Sprintf("%d", int(float64(num)/float64(sizeKB)))
+		unit = "KB"
+	} else {
+		numStr = fmt.Sprintf("%d", num)
+	}
+	return numStr + " " + unit
+}
+
+func Seconds2Time(num int) (time string) {
+	if num/31104000 > 0 {
+		time += strconv.Itoa(num/31104000) + " 年 "
+		num %= 31104000
+	}
+	if num/2592000 > 0 {
+		time += strconv.Itoa(num/2592000) + " 个月 "
+		num %= 2592000
+	}
+	if num/86400 > 0 {
+		time += strconv.Itoa(num/86400) + " 天 "
+		num %= 86400
+	}
+	if num/3600 > 0 {
+		time += strconv.Itoa(num/3600) + " 小时 "
+		num %= 3600
+	}
+	if num/60 > 0 {
+		time += strconv.Itoa(num/60) + " 分钟 "
+		num %= 60
+	}
+	time += strconv.Itoa(num) + " 秒"
+	return
+}
+
+func Interface2String(inter interface{}) string {
+	switch inter.(type) {
+	case string:
+		return inter.(string)
+	case int:
+		return fmt.Sprintf("%d", inter.(int))
+	case float64:
+		return fmt.Sprintf("%f", inter.(float64))
+	}
+	return "Not Implemented"
+}
+
+func UnescapeHTML(x string) interface{} {
+	return template.HTML(x)
+}
+
+func IntMax(a int, b int) int {
+	if a >= b {
+		return a
+	} else {
+		return b
+	}
+}
+
+func GetUUID() string {
+	code := uuid.New().String()
+	code = strings.Replace(code, "-", "", -1)
+	return code
+}
+
+const keyChars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+func init() {
+	rand.Seed(time.Now().UnixNano())
+}
+
+func GenerateKey() string {
+	rand.Seed(time.Now().UnixNano())
+	key := make([]byte, 48)
+	for i := 0; i < 16; i++ {
+		key[i] = keyChars[rand.Intn(len(keyChars))]
+	}
+	uuid_ := GetUUID()
+	for i := 0; i < 32; i++ {
+		c := uuid_[i]
+		if i%2 == 0 && c >= 'a' && c <= 'z' {
+			c = c - 'a' + 'A'
+		}
+		key[i+16] = c
+	}
+	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 GetTimestamp() int64 {
+	return time.Now().Unix()
+}
+
+func GetTimeString() string {
+	now := time.Now()
+	return fmt.Sprintf("%s%d", now.Format("20060102150405"), now.UnixNano()%1e9)
+}
+
+func Max(a int, b int) int {
+	if a >= b {
+		return a
+	} else {
+		return b
+	}
+}
+
+func GetOrDefaultEnvInt(env string, defaultValue int) int {
+	if env == "" || os.Getenv(env) == "" {
+		return defaultValue
+	}
+	num, err := strconv.Atoi(os.Getenv(env))
+	if err != nil {
+		logger.SysError(fmt.Sprintf("failed to parse %s: %s, using default value: %d", env, err.Error(), defaultValue))
+		return defaultValue
+	}
+	return num
+}
+
+func GetOrDefaultEnvString(env string, defaultValue string) string {
+	if env == "" || os.Getenv(env) == "" {
+		return defaultValue
+	}
+	return os.Getenv(env)
+}
+
+func AssignOrDefault(value string, defaultValue string) string {
+	if len(value) != 0 {
+		return value
+	}
+	return defaultValue
+}
+
+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
+}

common/init.go

@@ -4,6 +4,7 @@ import (
 	"flag"
 	"fmt"
 	"log"
+	"one-api/common/config"
 	"one-api/common/logger"
 	"os"
 	"path/filepath"
@@ -40,7 +41,7 @@ func init() {
 		if os.Getenv("SESSION_SECRET") == "random_string" {
 			logger.SysError("SESSION_SECRET is set to an example value, please change it to a random string.")
 		} else {
-			SessionSecret = os.Getenv("SESSION_SECRET")
+			config.SessionSecret = os.Getenv("SESSION_SECRET")
 		}
 	}
 	if os.Getenv("SQLITE_PATH") != "" {
@@ -58,5 +59,6 @@ func init() {
 				log.Fatal(err)
 			}
 		}
+		logger.LogDir = *LogDir
 	}
 }

common/logger/constants.go

@@ -0,0 +1,7 @@
+package logger
+
+const (
+	RequestIdKey = "X-Oneapi-Request-Id"
+)
+
+var LogDir string

common/logger/logger.go

@@ -6,7 +6,6 @@ import (
 	"github.com/gin-gonic/gin"
 	"io"
 	"log"
-	"one-api/common"
 	"os"
 	"path/filepath"
 	"sync"
@@ -26,7 +25,7 @@ var setupLogLock sync.Mutex
 var setupLogWorking bool
 
 func SetupLogger() {
-	if *common.LogDir != "" {
+	if LogDir != "" {
 		ok := setupLogLock.TryLock()
 		if !ok {
 			log.Println("setup log is already working")
@@ -36,7 +35,7 @@ func SetupLogger() {
 			setupLogLock.Unlock()
 			setupLogWorking = false
 		}()
-		logPath := filepath.Join(*common.LogDir, fmt.Sprintf("oneapi-%s.log", time.Now().Format("20060102")))
+		logPath := filepath.Join(LogDir, fmt.Sprintf("oneapi-%s.log", time.Now().Format("20060102")))
 		fd, err := os.OpenFile(logPath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
 		if err != nil {
 			log.Fatal("failed to open log file")
@@ -85,7 +84,7 @@ func logHelper(ctx context.Context, level string, msg string) {
 	if level == loggerINFO {
 		writer = gin.DefaultWriter
 	}
-	id := ctx.Value(common.RequestIdKey)
+	id := ctx.Value(RequestIdKey)
 	now := time.Now()
 	_, _ = fmt.Fprintf(writer, "[%s] %v | %s | %s \n", level, now.Format("2006/01/02 - 15:04:05"), id, msg)
 	logCount++ // we don't need accurate count, so no lock here
@@ -103,11 +102,3 @@ func FatalLog(v ...any) {
 	_, _ = fmt.Fprintf(gin.DefaultErrorWriter, "[FATAL] %v | %v \n", t.Format("2006/01/02 - 15:04:05"), v)
 	os.Exit(1)
 }
-
-func LogQuota(quota int) string {
-	if common.DisplayInCurrencyEnabled {
-		return fmt.Sprintf("＄%.6f 额度", float64(quota)/common.QuotaPerUnit)
-	} else {
-		return fmt.Sprintf("%d 点额度", quota)
-	}
-}

common/utils.go

@@ -2,223 +2,13 @@ package common
 
 import (
 	"fmt"
-	"github.com/google/uuid"
-	"html/template"
-	"log"
-	"math/rand"
-	"net"
-	"one-api/common/logger"
-	"os"
-	"os/exec"
-	"runtime"
-	"strconv"
-	"strings"
-	"time"
+	"one-api/common/config"
 )
 
-func OpenBrowser(url string) {
-	var err error
-
-	switch runtime.GOOS {
-	case "linux":
-		err = exec.Command("xdg-open", url).Start()
-	case "windows":
-		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
-	case "darwin":
-		err = exec.Command("open", url).Start()
-	}
-	if err != nil {
-		log.Println(err)
-	}
-}
-
-func GetIp() (ip string) {
-	ips, err := net.InterfaceAddrs()
-	if err != nil {
-		log.Println(err)
-		return ip
-	}
-
-	for _, a := range ips {
-		if ipNet, ok := a.(*net.IPNet); ok && !ipNet.IP.IsLoopback() {
-			if ipNet.IP.To4() != nil {
-				ip = ipNet.IP.String()
-				if strings.HasPrefix(ip, "10") {
-					return
-				}
-				if strings.HasPrefix(ip, "172") {
-					return
-				}
-				if strings.HasPrefix(ip, "192.168") {
-					return
-				}
-				ip = ""
-			}
-		}
-	}
-	return
-}
-
-var sizeKB = 1024
-var sizeMB = sizeKB * 1024
-var sizeGB = sizeMB * 1024
-
-func Bytes2Size(num int64) string {
-	numStr := ""
-	unit := "B"
-	if num/int64(sizeGB) > 1 {
-		numStr = fmt.Sprintf("%.2f", float64(num)/float64(sizeGB))
-		unit = "GB"
-	} else if num/int64(sizeMB) > 1 {
-		numStr = fmt.Sprintf("%d", int(float64(num)/float64(sizeMB)))
-		unit = "MB"
-	} else if num/int64(sizeKB) > 1 {
-		numStr = fmt.Sprintf("%d", int(float64(num)/float64(sizeKB)))
-		unit = "KB"
+func LogQuota(quota int) string {
+	if config.DisplayInCurrencyEnabled {
+		return fmt.Sprintf("＄%.6f 额度", float64(quota)/config.QuotaPerUnit)
 	} else {
-		numStr = fmt.Sprintf("%d", num)
-	}
-	return numStr + " " + unit
-}
-
-func Seconds2Time(num int) (time string) {
-	if num/31104000 > 0 {
-		time += strconv.Itoa(num/31104000) + " 年 "
-		num %= 31104000
-	}
-	if num/2592000 > 0 {
-		time += strconv.Itoa(num/2592000) + " 个月 "
-		num %= 2592000
-	}
-	if num/86400 > 0 {
-		time += strconv.Itoa(num/86400) + " 天 "
-		num %= 86400
-	}
-	if num/3600 > 0 {
-		time += strconv.Itoa(num/3600) + " 小时 "
-		num %= 3600
-	}
-	if num/60 > 0 {
-		time += strconv.Itoa(num/60) + " 分钟 "
-		num %= 60
-	}
-	time += strconv.Itoa(num) + " 秒"
-	return
-}
-
-func Interface2String(inter interface{}) string {
-	switch inter.(type) {
-	case string:
-		return inter.(string)
-	case int:
-		return fmt.Sprintf("%d", inter.(int))
-	case float64:
-		return fmt.Sprintf("%f", inter.(float64))
-	}
-	return "Not Implemented"
-}
-
-func UnescapeHTML(x string) interface{} {
-	return template.HTML(x)
-}
-
-func IntMax(a int, b int) int {
-	if a >= b {
-		return a
-	} else {
-		return b
+		return fmt.Sprintf("%d 点额度", quota)
 	}
 }
-
-func GetUUID() string {
-	code := uuid.New().String()
-	code = strings.Replace(code, "-", "", -1)
-	return code
-}
-
-const keyChars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
-
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
-func GenerateKey() string {
-	rand.Seed(time.Now().UnixNano())
-	key := make([]byte, 48)
-	for i := 0; i < 16; i++ {
-		key[i] = keyChars[rand.Intn(len(keyChars))]
-	}
-	uuid_ := GetUUID()
-	for i := 0; i < 32; i++ {
-		c := uuid_[i]
-		if i%2 == 0 && c >= 'a' && c <= 'z' {
-			c = c - 'a' + 'A'
-		}
-		key[i+16] = c
-	}
-	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 GetTimestamp() int64 {
-	return time.Now().Unix()
-}
-
-func GetTimeString() string {
-	now := time.Now()
-	return fmt.Sprintf("%s%d", now.Format("20060102150405"), now.UnixNano()%1e9)
-}
-
-func Max(a int, b int) int {
-	if a >= b {
-		return a
-	} else {
-		return b
-	}
-}
-
-func GetOrDefaultEnvInt(env string, defaultValue int) int {
-	if env == "" || os.Getenv(env) == "" {
-		return defaultValue
-	}
-	num, err := strconv.Atoi(os.Getenv(env))
-	if err != nil {
-		logger.SysError(fmt.Sprintf("failed to parse %s: %s, using default value: %d", env, err.Error(), defaultValue))
-		return defaultValue
-	}
-	return num
-}
-
-func GetOrDefaultEnvString(env string, defaultValue string) string {
-	if env == "" || os.Getenv(env) == "" {
-		return defaultValue
-	}
-	return os.Getenv(env)
-}
-
-func AssignOrDefault(value string, defaultValue string) string {
-	if len(value) != 0 {
-		return value
-	}
-	return defaultValue
-}
-
-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
-}