<feat, refactor>(ui, core): Transfer file hash calculation logic to core

1. show file size

3 files changed, 65 insertions, 49 deletions

diff --git a/src/core/function/FileOperator.cpp b/src/core/function/FileOperator.cpp
index e721fc7e..d0a3df23 100644
--- a/src/core/function/FileOperator.cpp
+++ b/src/core/function/FileOperator.cpp
@@ -65,3 +65,55 @@ bool GpgFrontend::FileOperator::WriteFileStd(
   return WriteFile(QString::fromStdString(file_name.string()),
                        QByteArray::fromStdString(data));
 }
+
+std::string GpgFrontend::FileOperator::CalculateHash(
+    const std::filesystem::path& file_path) {
+  // Returns empty QByteArray() on failure.
+  QFileInfo info(QString::fromStdString(file_path.string()));
+  std::stringstream ss;
+
+  if (info.isFile() && info.isReadable()) {
+    ss << "[#] " << _("File Hash Information") << std::endl;
+    ss << "    " << _("filename") << _(": ")
+       << file_path.filename().string().c_str() << std::endl;
+
+
+    QFile f(info.filePath());
+    f.open(QFile::ReadOnly);
+    auto buffer = f.readAll();
+    ss << "    " << _("file size(bytes)") << _(": ")
+       << buffer.size() << std::endl;
+    f.close();
+    if (f.open(QFile::ReadOnly)) {
+      auto hash_md5 = QCryptographicHash(QCryptographicHash::Md5);
+      // md5
+      hash_md5.addData(buffer);
+      auto md5 = hash_md5.result().toHex().toStdString();
+      LOG(INFO) << "md5" << md5;
+      ss << "    "
+         << "md5" << _(": ") << md5 << std::endl;
+
+      auto hash_sha1 = QCryptographicHash(QCryptographicHash::Sha1);
+      // sha1
+      hash_sha1.addData(buffer);
+      auto sha1 = hash_sha1.result().toHex().toStdString();
+      LOG(INFO) << "sha1" << sha1;
+      ss << "    "
+         << "sha1" << _(": ") << sha1 << std::endl;
+
+      auto hash_sha256 = QCryptographicHash(QCryptographicHash::Sha256);
+      // sha1
+      hash_sha256.addData(buffer);
+      auto sha256 = hash_sha256.result().toHex().toStdString();
+      LOG(INFO) << "sha256" << sha256;
+      ss << "    "
+         << "sha256" << _(": ") << sha256 << std::endl;
+
+      ss << std::endl;
+    }
+  } else {
+    ss << "[#] " << _("Error in Calculating File Hash ") << std::endl;
+  }
+
+  return ss.str();
+}
diff --git a/src/core/function/FileOperator.h b/src/core/function/FileOperator.h
index de195a96..aa2c3b73 100644
--- a/src/core/function/FileOperator.h
+++ b/src/core/function/FileOperator.h
@@ -38,7 +38,7 @@ namespace GpgFrontend {
  *
  */
 class FileOperator {
-public:
+ public:
   /**
    * @brief read file content using std struct
    *
@@ -79,7 +79,14 @@ public:
    * @return false if failed
    */
   static bool WriteFile(const QString &file_name, const QByteArray &data);
+
+  /**
+   * calculate the hash of a file
+   * @param file_path
+   * @return
+   */
+  static std::string CalculateHash(const std::filesystem::path &file_path);
 };
-} // namespace GpgFrontend
+}  // namespace GpgFrontend
 
-#endif // GPGFRONTEND_FILEOPERATOR_H
+#endif  // GPGFRONTEND_FILEOPERATOR_H
diff --git a/src/ui/widgets/FilePage.cpp b/src/ui/widgets/FilePage.cpp
index 7615c05f..bbe5e548 100644
--- a/src/ui/widgets/FilePage.cpp
+++ b/src/ui/widgets/FilePage.cpp
@@ -347,52 +347,9 @@ void FilePage::slot_delete_item() {
 }
 
 void FilePage::slot_calculate_hash() {
-  // Returns empty QByteArray() on failure.
-  QFileInfo info(QString::fromStdString(selected_path_.string()));
-
-  if (info.isFile() && info.isReadable()) {
-    std::stringstream ss;
-
-    ss << "[#] " << _("File Hash Information") << std::endl;
-    ss << "    " << _("filename") << _(": ")
-       << selected_path_.filename().string().c_str() << std::endl;
-
-    QFile f(info.filePath());
-    f.open(QFile::ReadOnly);
-    auto buffer = f.readAll();
-    LOG(INFO) << "buffer size" << buffer.size();
-    f.close();
-    if (f.open(QFile::ReadOnly)) {
-      auto hash_md5 = QCryptographicHash(QCryptographicHash::Md5);
-      // md5
-      hash_md5.addData(buffer);
-      auto md5 = hash_md5.result().toHex().toStdString();
-      LOG(INFO) << "md5" << md5;
-      ss << "    "
-         << "md5" << _(": ") << md5 << std::endl;
-
-      auto hash_sha1 = QCryptographicHash(QCryptographicHash::Sha1);
-      // sha1
-      hash_sha1.addData(buffer);
-      auto sha1 = hash_sha1.result().toHex().toStdString();
-      LOG(INFO) << "sha1" << sha1;
-      ss << "    "
-         << "sha1" << _(": ") << sha1 << std::endl;
-
-      auto hash_sha256 = QCryptographicHash(QCryptographicHash::Sha256);
-      // sha1
-      hash_sha256.addData(buffer);
-      auto sha256 = hash_sha256.result().toHex().toStdString();
-      LOG(INFO) << "sha256" << sha256;
-      ss << "    "
-         << "sha256" << _(": ") << sha256 << std::endl;
-
-      ss << std::endl;
-
-      emit SignalRefreshInfoBoard(ss.str().c_str(),
-                                  InfoBoardStatus::INFO_ERROR_OK);
-    }
-  }
+  auto info_str = FileOperator::CalculateHash(selected_path_);
+  emit SignalRefreshInfoBoard(info_str.c_str(),
+                              InfoBoardStatus::INFO_ERROR_OK);
 }
 
 void FilePage::slot_mkdir() {