service backend

api/pkg/mutil/fr/fr.go

@@ -0,0 +1,32 @@
+package fr
+
+import (
+	"io"
+	"os"
+
+	"github.com/tech/sendico/pkg/mlogger"
+	"go.uber.org/zap"
+)
+
+func CloseFile(logger mlogger.Logger, file *os.File) {
+	if err := file.Close(); err != nil {
+		logger.Warn("Failed to close file", zap.Error(err))
+	}
+}
+
+func ReadFile(logger mlogger.Logger, filePath string) ([]byte, error) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		logger.Warn("Failed to open file", zap.String("path", filePath), zap.Error(err))
+		return nil, err
+	}
+	defer CloseFile(logger, file)
+
+	data, err := io.ReadAll(file)
+	if err != nil {
+		logger.Warn("Failed to read file", zap.String("path", filePath), zap.Error(err))
+		return nil, err
+	}
+
+	return data, nil
+}