96 lines
1.8 KiB
Go
96 lines
1.8 KiB
Go
// logger to print log entry (with color)
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// this logger would be bind by importing
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package output
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import (
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"fmt"
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"io"
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"os"
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"time"
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"github.com/bclicn/color"
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"github.com/genofire/logmania/log"
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)
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var (
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TimeFormat = "2006-01-02 15:04:05"
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ShowTime = true
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AboveLevel = log.InfoLevel
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errOutput io.Writer = os.Stderr
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output io.Writer = os.Stdout
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)
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// logger for output
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type Logger struct {
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log.Logger
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TimeFormat string
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ShowTime bool
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AboveLevel log.LogLevel
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}
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// CurrentLogger (for override settings e.g. AboveLevel,ShowTime or TimeFormat)
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var CurrentLogger *Logger
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// create a new output logger
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func NewLogger() *Logger {
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return &Logger{
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TimeFormat: "2006-01-02 15:04:05",
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ShowTime: true,
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AboveLevel: log.InfoLevel,
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}
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}
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// handle a log entry (print it on the terminal with color)
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func (l *Logger) Hook(e *log.Entry) {
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if e.Level < AboveLevel {
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return
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}
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v := []interface{}{}
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format := "[%s] %s"
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if ShowTime {
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format = "%s [%s] %s"
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v = append(v, color.LightBlue(time.Now().Format(TimeFormat)))
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}
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lvl := e.Level.String()
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switch e.Level {
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case log.DebugLevel:
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lvl = color.DarkGray(lvl)
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case log.InfoLevel:
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lvl = color.Green(lvl)
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case log.WarnLevel:
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lvl = color.Yellow(lvl)
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case log.ErrorLevel:
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lvl = color.Red(lvl)
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case log.PanicLevel:
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lvl = color.BRed(lvl)
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}
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v = append(v, lvl, e.Text)
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if len(e.Fields) > 0 {
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v = append(v, color.Purple(e.FieldString()))
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format = fmt.Sprintf("%s (%%s)\n", format)
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} else {
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format = fmt.Sprintf("%s\n", format)
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}
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text := fmt.Sprintf(format, v...)
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if e.Level > log.WarnLevel {
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errOutput.Write([]byte(text))
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} else {
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output.Write([]byte(text))
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}
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}
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// do nothing - terminal did not need something to close
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func (l *Logger) Close() {
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}
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func init() {
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CurrentLogger = NewLogger()
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log.AddLogger("output", CurrentLogger)
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}
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