go-basic-logger/logger.go

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2022-02-05 10:03:13 +00:00
// Copyright (c) 2022 Bryan Joshua Pedini
// License: GPL-3 ยท See LICENSE for more details
package gobasiclogger
import (
"log"
"os"
)
type Logger struct {
logLevel int
}
func (l *Logger) Initialize(level *string) {
if level == nil {
*level = os.Getenv("LOGLEVEL")
}
if _stringInArray(*level, []string{"debug", "DEBUG", "dbg", "DBG"}) {
l.logLevel = 7
} else if _stringInArray(*level, []string{"notice", "NOTICE", "not", "NOT"}) {
l.logLevel = 6
} else if _stringInArray(*level, []string{"info", "INFO", "inf", "INF"}) {
l.logLevel = 5
} else if _stringInArray(*level, []string{"warning", "WARNING", "warn", "WARN", "wrn", "WRN"}) {
l.logLevel = 4
} else if _stringInArray(*level, []string{"error", "ERROR", "err", "ERR"}) {
l.logLevel = 3
} else if _stringInArray(*level, []string{"critical", "CRITICAL", "crt", "CRT"}) {
l.logLevel = 2
} else if _stringInArray(*level, []string{"fatal", "FATAL", "fat", "FAT"}) {
l.logLevel = 1
}
}
func (l *Logger) Debug(i ...interface{}) {
i = append([]interface{}{"[DBG]"}, i...)
if l.logLevel > 6 {
log.Println(i...)
}
}
func (l *Logger) Notice(i ...interface{}) {
i = append([]interface{}{"[NOT]"}, i...)
if l.logLevel > 5 {
log.Println(i...)
}
}
func (l *Logger) Info(i ...interface{}) {
i = append([]interface{}{"[INF]"}, i...)
if l.logLevel > 4 {
log.Println(i...)
}
}
func (l *Logger) Warning(i ...interface{}) {
i = append([]interface{}{"[WRN]"}, i...)
if l.logLevel > 3 {
log.Println(i...)
}
}
func (l *Logger) Error(i ...interface{}) {
i = append([]interface{}{"[ERR]"}, i...)
if l.logLevel > 2 {
log.Println(i...)
}
}
func (l *Logger) Fatal(i ...interface{}) {
i = append([]interface{}{"[FAT]"}, i...)
if l.logLevel > 1 {
log.Println(i...)
}
}
func (l *Logger) Critical(i ...interface{}) {
i = append([]interface{}{"[CRT]"}, i...)
if l.logLevel > 0 {
log.Println(i...)
}
}