filesystem.cpp

#include "filesystem.hpp"

Fileinfo::Fileinfo() {
    mod = 0;
    size = 0;
}

std::string findClientFolder(std::string username){
    const char *homedir;
    if ((homedir = getenv("HOME")) == NULL) {
        homedir = getpwuid(getuid())->pw_dir;
    }
    std::string dir = std::string(homedir) + "/sync_dir_" + username;
    return dir;
}

std::string setUpClientFolder(std::string username){
    std::string dir = findClientFolder(username);
    const char* folder = dir.c_str();
    struct stat sb;
    if (stat(folder, &sb) == 0 && S_ISDIR(sb.st_mode)){
        std::cout << "Client Folder found." << std::endl;
    } else {
        mkdir(folder, S_IRWXU | S_IRWXG | S_IRWXO);
        std::cout << "No folder.\nCreating Folder:\n\t" << dir << std::endl;
    }
    return dir;
}

std::string findServerFolder(){
    const char *homedir;
    if ((homedir = getenv("HOME")) == NULL) {
        homedir = getpwuid(getuid())->pw_dir;
    }
    std::string dir = std::string(homedir) + "/dropboxServer";
    return dir;
}

std::string setUpServerFolder(){
    std::string dir = findServerFolder();
    const char* folder = dir.c_str();
    struct stat sb;
    if (stat(folder, &sb) == 0 && S_ISDIR(sb.st_mode)){
        std::cout << "Server Folder found." << std::endl;
    } else {
        mkdir(folder, S_IRWXU | S_IRWXG | S_IRWXO);
        std::cout << "No folder found.\nCreating Folder:\n\t" << dir << std::endl;
    }
    return dir;
}

std::map<std::string, Fileinfo> readFolder(std::string path) {
    std::map<std::string, Fileinfo> files;
    DIR* dirp = opendir(path.c_str());
    struct dirent *entry;
    entry = readdir(dirp);
    while (entry) {
      std::string filename(entry->d_name);
      std::string filepath = path + "/" + filename;
      struct stat path_stat;
      stat(filepath.c_str(), &path_stat);
      if (S_ISREG(path_stat.st_mode)) {
        Fileinfo info;
        info.mod = path_stat.st_mtime;
        info.size = path_stat.st_size;
        info.name = entry->d_name;
        files[filename] = info;
      }
      entry = readdir(dirp);
    }
    return files;
}

void printFiles(std::map<std::string, Fileinfo> &files) {
    for (auto const it : files) {
        Fileinfo info = it.second;
        std::cerr << "* " << info.name << std::endl;;
        std::cerr << "\t\tFile size: " << info.size << "  bytes" << std::endl;;
        char timeBuffer[20];
        strftime(timeBuffer, 20, "%Y-%m-%d %H:%M:%S", localtime(&info.mod));
        std::cerr << "\t\tFile last mod time: " << timeBuffer << std::endl;;
    }
}

Fileinfo getFileinfo(std::string filepath) {
  struct stat path_stat;
  const char *fp = filepath.c_str();
  stat(fp, &path_stat);
  Fileinfo info;
  if (S_ISREG(path_stat.st_mode)) {
    info.mod = path_stat.st_mtime;
    info.size = path_stat.st_size;
    info.name = filenameFromPath(filepath);
  }
  return info;
}

std::string findUserFolder(std::string username){
    const char *homedir;
    if ((homedir = getenv("HOME")) == NULL) {
        homedir = getpwuid(getuid())->pw_dir;
    }
    std::string dir = std::string(homedir) + "/dropboxServer/" + username;
    return dir;
}

std::string setUpUserFolder(std::string username){
    std::string dir = findUserFolder(username);
    const char* folder = dir.c_str();
    struct stat sb;
    if (stat(folder, &sb) == 0 && S_ISDIR(sb.st_mode)){
        std::cout << "User Folder found." << std::endl;
    } else {
        mkdir(folder, S_IRWXU | S_IRWXG | S_IRWXO);
        std::cout << "No folder found for User.\nCreating Folder:\n\t" << dir << std::endl;
    }
    return dir + "/";
}

std::string dirnameFromPath(std::string path) {
    char cpath[255];
    strncpy(cpath, path.c_str(), 255);
    std::string dir = dirname(cpath);
    return dir;
}

std::string filenameFromPath(std::string path) {
    char cpath[255];
    strncpy(cpath, path.c_str(), 255);
    std::string filename = basename(cpath);
    return filename;
}