mirror of https://github.com/go-gorm/gorm.git
68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package logger
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import (
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"fmt"
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"log"
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"os"
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)
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type LogLevel int
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var Default Interface = Logger{Writer: log.New(os.Stdout, "\r\n", log.LstdFlags)}
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const (
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Error LogLevel = iota + 1
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Warn
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Info
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)
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// Interface logger interface
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type Interface interface {
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LogMode(LogLevel) Interface
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Info(string, ...interface{})
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Warn(string, ...interface{})
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Error(string, ...interface{})
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RunWith(LogLevel, func())
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}
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// Writer log writer interface
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type Writer interface {
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Print(...interface{})
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}
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type Logger struct {
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Writer
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logLevel LogLevel
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}
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func (logger Logger) LogMode(level LogLevel) Interface {
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return Logger{Writer: logger.Writer, logLevel: level}
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}
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// Info print info
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func (logger Logger) Info(msg string, data ...interface{}) {
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if logger.logLevel >= Info {
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logger.Print("[info] " + fmt.Sprintf(msg, data...))
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}
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}
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// Warn print warn messages
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func (logger Logger) Warn(msg string, data ...interface{}) {
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if logger.logLevel >= Warn {
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logger.Print("[warn] " + fmt.Sprintf(msg, data...))
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}
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}
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// Error print error messages
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func (logger Logger) Error(msg string, data ...interface{}) {
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if logger.logLevel >= Error {
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logger.Print("[error] " + fmt.Sprintf(msg, data...))
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}
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}
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func (logger Logger) RunWith(logLevel LogLevel, fc func()) {
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if logger.logLevel >= logLevel {
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fc()
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}
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}
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