init project

internal/common/logger/logger.go

@@ -0,0 +1,56 @@
+package logger
+
+import (
+	"context"
+	"fmt"
+	"furtuna-be/internal/constants"
+	"sync"
+
+	"go.uber.org/zap"
+)
+
+var mainLogger *zap.Logger = nil
+
+var mainLoggerInit sync.Once
+
+func NewMainLoggerSingleton() *zap.Logger {
+	mainLoggerInit.Do(func() {
+		logger, err := zap.NewProduction()
+		if err != nil {
+			logger.Error("logger initialization failed", zap.Any("error", err))
+			panic(fmt.Sprintf("logger initialization failed %v", err))
+		}
+		logger.Info("logger started")
+		mainLogger = logger
+	})
+
+	return mainLogger
+}
+
+func NewMainNoOpLoggerSingleton() *zap.Logger {
+	mainLoggerInit.Do(func() {
+		logger := zap.NewNop()
+		logger.Info("logger started")
+		mainLogger = logger
+	})
+
+	return mainLogger
+}
+
+func NewNoOp() *zap.Logger {
+	return zap.NewNop()
+}
+
+func GetLogger() *zap.Logger {
+	return mainLogger
+}
+
+func ContextLogger(ctx context.Context) *zap.Logger {
+	logger := GetLogger()
+
+	if ctxRqID, ok := ctx.Value(constants.ContextRequestID).(string); ok {
+		return logger.With(zap.String(constants.ContextRequestID, ctxRqID))
+	}
+
+	return logger
+}