alexandre-normand/slackscot

package slackscot

import (
    "fmt"
    "log"
)

// SLogger is the slackscot internal logging interface. The standard library logger implements this interface
type SLogger interface {
    Printf(format string, v ...interface{})

    Debugf(format string, v ...interface{})
}

type sLogger struct {
    logger *log.Logger
    debug  bool
}

// NewSLogger creates a new Slackscot logger provided with an interface logger and a debug flag
func NewSLogger(log *log.Logger, debug bool) (l *sLogger) {
    sl := new(sLogger)
    sl.debug = debug
    sl.logger = log
    return sl
}

// Debugf logs a debug line after checking if the configuration is in debug mode
func (sl *sLogger) Debugf(format string, v ...interface{}) {
    if sl.debug {
        sl.Printf(fmt.Sprintf(format, v...))
    }
}

// Printf logs a line by delegating the call to Output
func (sl *sLogger) Printf(format string, v ...interface{}) {
    sl.logger.Output(2, fmt.Sprintf(format, v...))
}