iot-objets-connectes/Ecran Lilygot-T-RGB/Code tests/SDCard/FileHandler.cpp

#include "FileHandler.h"


FileHandler::FileHandler() {
  // Initialisez vos membres de classe ici si nécessaire
}


FileInfo* FileHandler::listDir(fs::FS &fs, const char *dirname, uint8_t levels, int &fileCount) {
  Serial.printf("Listing directory: %s\n", dirname);
  File root = fs.open(dirname);
  if (!root) {
    Serial.println("Failed to open directory");
    fileCount = 0;
    return nullptr;
  }

  if (!root.isDirectory()) {
    Serial.println("Not a directory");
    fileCount = 0;
    return nullptr;
  }

  File file = root.openNextFile();
  FileInfo* fileInfo = nullptr;
  int count = 0;

  while (file) {
    FileInfo* newFileInfo = (FileInfo*)malloc(sizeof(FileInfo));
    newFileInfo->name = file.name();
    newFileInfo->size = file.size();

    FileInfo* temp = (FileInfo*)realloc(fileInfo, (count + 1) * sizeof(FileInfo));
    if (temp == nullptr) {
      // Échec de réallocation, libérer la mémoire précédemment allouée
      freeFileInfo(fileInfo);
      fileCount = 0;
      return nullptr;
    }

    fileInfo = temp;
    fileInfo[count] = *newFileInfo;
    free(newFileInfo);

    count++;

    if (file.isDirectory() && levels) {
      FileInfo* subDirFiles = listDir(fs, file.path(), levels - 1, fileCount);
      if (subDirFiles) {
        for (int i = 0; i < fileCount; i++) {
          FileInfo* newFileInfo = (FileInfo*)malloc(sizeof(FileInfo));
          newFileInfo->name = subDirFiles[i].name;
          newFileInfo->size = subDirFiles[i].size;

          FileInfo* temp = (FileInfo*)realloc(fileInfo, (count + 1) * sizeof(FileInfo));
          if (temp == nullptr) {
            // Échec de réallocation, libérer la mémoire précédemment allouée
            freeFileInfo(fileInfo);
            fileCount = 0;
            return nullptr;
          }

          fileInfo = temp;
          fileInfo[count] = *newFileInfo;
          free(newFileInfo);

          count++;
        }
        freeFileInfo(subDirFiles);
      }
    }

    file = root.openNextFile();
  }

  fileCount = count;
  return fileInfo;
}

void FileHandler::freeFileInfo(FileInfo* fileInfo) {
  if (fileInfo) {
    free(fileInfo);
  }
}

bool FileHandler::createDir(fs::FS &fs, const char *path) {
  Serial.printf("Creating Dir: %s\n", path);
  if (fs.mkdir(path)) {
    Serial.println("Dir created");
    return true;
  } else {
    Serial.println("mkdir failed");
    return false;
  }
}

bool FileHandler::removeDir(fs::FS &fs, const char *path) {
  Serial.printf("Removing Dir: %s\n", path);
  if (fs.rmdir(path)) {
    Serial.println("Dir removed");
    return true;
  } else {
    Serial.println("rmdir failed");
    return false;
  }
}

bool FileHandler::readFile(fs::FS &fs, const char *path) {
  Serial.printf("Reading file: %s\n", path);
  File file = fs.open(path);
  if (!file) {
    Serial.println("Failed to open file for reading");
    return false;
  }
  Serial.print("Read from file: ");
  while (file.available()) {
    Serial.write(file.read());
  }
  return true;
}

bool FileHandler::writeFile(fs::FS &fs, const char *path, const char *message) {
  Serial.printf("Writing file: %s\n", path);
  File file = fs.open(path, FILE_WRITE);
  if (!file) {
    Serial.println("Failed to open file for writing");
    return false;
  }
  if (file.print(message)) {
    Serial.println("File written");
    return true;
  } else {
    Serial.println("Write failed");
    return false;
  }
}

bool FileHandler::appendFile(fs::FS &fs, const char *path, const char *message) {
  Serial.printf("Appending to file: %s\n", path);
  File file = fs.open(path, FILE_APPEND);
  if (!file) {
    Serial.println("Failed to open file for appending");
    return false;
  }
  if (file.print(message)) {
    Serial.println("Message appended");
    return true;
  } else {
    Serial.println("Append failed");
    return false;
  }
}

bool FileHandler::renameFile(fs::FS &fs, const char *path1, const char *path2) {
  Serial.printf("Renaming file %s to %s\n", path1, path2);
  if (fs.rename(path1, path2)) {
    Serial.println("File renamed");
    return true;
  } else {
    Serial.println("Rename failed");
    return false;
  }
}

bool FileHandler::deleteFile(fs::FS &fs, const char *path) {
  Serial.printf("Deleting file: %s\n", path);
  if (fs.remove(path)) {
    Serial.println("File deleted");
    return true;
  } else {
    Serial.println("Delete failed");
    return false;
  }
}