initialize paraclub-ai-mailer project with core components and configuration

internal/logger/logger.go

@@ -0,0 +1,58 @@
+package logger
+
+import (
+	"io"
+	"os"
+
+	"github.com/sirupsen/logrus"
+)
+
+var log = logrus.New()
+
+func Init(level string, filePath string) error {
+	// Set log level
+	lvl, err := logrus.ParseLevel(level)
+	if err != nil {
+		return err
+	}
+	log.SetLevel(lvl)
+
+	// Configure output
+	if filePath != "" {
+		file, err := os.OpenFile(filePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+		if err != nil {
+			return err
+		}
+		log.SetOutput(io.MultiWriter(os.Stdout, file))
+	}
+
+	log.SetFormatter(&logrus.TextFormatter{
+		FullTimestamp: true,
+	})
+
+	return nil
+}
+
+func Info(args ...interface{}) {
+	log.Info(args...)
+}
+
+func Error(args ...interface{}) {
+	log.Error(args...)
+}
+
+func Debug(args ...interface{}) {
+	log.Debug(args...)
+}
+
+func Warn(args ...interface{}) {
+	log.Warn(args...)
+}
+
+func WithField(key string, value interface{}) *logrus.Entry {
+	return log.WithField(key, value)
+}
+
+func WithFields(fields logrus.Fields) *logrus.Entry {
+	return log.WithFields(fields)
+}