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cloudreve/pkg/util/logger.go

151 lines
2.8 KiB

package util
import (
"fmt"
"github.com/fatih/color"
"sync"
"time"
)
const (
// LevelError 错误
LevelError = iota
// LevelWarning 警告
LevelWarning
// LevelInformational 提示
LevelInformational
// LevelDebug 除错
LevelDebug
)
var GloablLogger *Logger
var Level = LevelDebug
// Logger 日志
type Logger struct {
level int
mu sync.Mutex
}
// 日志颜色
var colors = map[string]func(a ...interface{}) string{
"Warning": color.New(color.FgYellow).Add(color.Bold).SprintFunc(),
"Panic": color.New(color.BgRed).Add(color.Bold).SprintFunc(),
"Error": color.New(color.FgRed).Add(color.Bold).SprintFunc(),
"Info": color.New(color.FgCyan).Add(color.Bold).SprintFunc(),
"Debug": color.New(color.FgWhite).Add(color.Bold).SprintFunc(),
}
// 不同级别前缀与时间的间隔,保持宽度一致
var spaces = map[string]string{
"Warning": "",
"Panic": " ",
"Error": " ",
"Info": " ",
"Debug": " ",
}
// Println 打印
func (ll *Logger) Println(prefix string, msg string) {
// TODO Release时去掉
// color.NoColor = false
c := color.New()
ll.mu.Lock()
defer ll.mu.Unlock()
_, _ = c.Printf(
"%s%s %s %s\n",
colors[prefix]("["+prefix+"]"),
spaces[prefix],
time.Now().Format("2006-01-02 15:04:05"),
msg,
)
}
// Panic 极端错误
func (ll *Logger) Panic(format string, v ...interface{}) {
if LevelError > ll.level {
return
}
msg := fmt.Sprintf(format, v...)
ll.Println("Panic", msg)
5 years ago
panic(msg)
}
// Error 错误
func (ll *Logger) Error(format string, v ...interface{}) {
if LevelError > ll.level {
return
}
msg := fmt.Sprintf(format, v...)
ll.Println("Error", msg)
}
// Warning 警告
func (ll *Logger) Warning(format string, v ...interface{}) {
if LevelWarning > ll.level {
return
}
msg := fmt.Sprintf(format, v...)
ll.Println("Warning", msg)
}
// Info 信息
func (ll *Logger) Info(format string, v ...interface{}) {
if LevelInformational > ll.level {
return
}
msg := fmt.Sprintf(format, v...)
ll.Println("Info", msg)
}
// Debug 校验
func (ll *Logger) Debug(format string, v ...interface{}) {
if LevelDebug > ll.level {
return
}
msg := fmt.Sprintf(format, v...)
ll.Println("Debug", msg)
}
// Print GORM 的 Logger实现
//func (ll *Logger) Print(v ...interface{}) {
// if LevelDebug > ll.level {
// return
// }
// msg := fmt.Sprintf("[SQL] %s", v...)
// ll.Println(msg)
//}
// BuildLogger 构建logger
func BuildLogger(level string) {
intLevel := LevelError
switch level {
case "error":
intLevel = LevelError
case "warning":
intLevel = LevelWarning
case "info":
intLevel = LevelInformational
case "debug":
intLevel = LevelDebug
}
l := Logger{
level: intLevel,
}
GloablLogger = &l
}
// Log 返回日志对象
func Log() *Logger {
if GloablLogger == nil {
l := Logger{
level: Level,
}
GloablLogger = &l
}
return GloablLogger
}