// all logging functions call this `log` function
func (console *Logger) log(d logDetails, colorAttr color.Attribute, isBold bool, format string, args ...interface{}) {
// Only print out, logs that are the selected level or higher
if console.level >= d.level {
newlog := color.Set(colorAttr)
defer color.Unset()
// if the request is to log bold text
if isBold {
newlog.Add(color.Bold)
}
// Check to see if we are to add background color
// Alert and Fatal have background colors
switch d.level {
case 1: // for Fatal
color.Set(color.BgRed)
break
case 2: // for Alerts
color.Set(color.BgMagenta)
break
}
// I want it log both into the file and on the console
console.LogFile.Printf(format, args...)
log.Printf(format, args...)
}
}
// Critical can be used to log system wide Critical information that needs to be fixed immediately (Red background and white text)
func (console *Logger) Critical(format string, args ...interface{}) {
color.Set(color.BgRed, color.FgWhite, color.Bold)
defer color.Unset()
console.log(logLevel["Fatal"], color.FgRed, true, format, args...)
}
// Alert can be used to log Alerts, maybe on certain events (Magenta background, white text).
func (console *Logger) Alert(format string, args ...interface{}) {
color.Set(color.BgMagenta, color.FgBlack, color.Bold)
defer color.Unset()
console.log(logLevel["Alert"], color.FgBlack, true, format, args...)
}