Refactored downloader

api/internal/app/infrastructure/logger/logger.go

@@ -0,0 +1,33 @@
+package logger
+
+import (
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"os"
+)
+
+func New() *zap.SugaredLogger {
+	consoleEncoder := zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig())
+	jsonEncoder := zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig())
+
+	consoleDebugging := zapcore.Lock(os.Stdout)
+	lowPriority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
+		return lvl < zapcore.ErrorLevel
+	})
+	highPriority := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
+		return lvl >= zapcore.ErrorLevel
+	})
+	consoleErrors := zapcore.Lock(os.Stderr)
+	core := zapcore.NewTee(
+		zapcore.NewCore(jsonEncoder, consoleErrors, highPriority),
+		zapcore.NewCore(jsonEncoder, consoleDebugging, highPriority),
+		zapcore.NewCore(consoleEncoder, consoleErrors, highPriority),
+		zapcore.NewCore(consoleEncoder, consoleDebugging, lowPriority),
+	)
+	logger := zap.New(core)
+	defer func(logger *zap.Logger) {
+		_ = logger.Sync()
+	}(logger)
+	sugaredLogger := logger.Sugar()
+	return sugaredLogger
+}