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/*
 * UserManager.cpp
 *
 * Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "UserManager.h"
#include "UserBackend.h"

namespace Mad {
namespace Server {

UserManager UserManager::userManager;


bool UserManager::Compare::operator() (boost::shared_ptr<UserBackend> b1, boost::shared_ptr<UserBackend> b2) {
  if(b1->getPriority() == b2->getPriority())
    return (b1.get() > b2.get());
  else
    return (b1->getPriority() > b2->getPriority());
}


boost::shared_ptr<std::map<unsigned long, Common::UserInfo> > UserManager::getUserList() throw(Net::Exception) {
  Net::Exception e(Net::Exception::NOT_IMPLEMENTED);

  for(std::set<boost::shared_ptr<UserBackend> >::iterator backend = backends.begin(); backend != backends.end(); ++backend) {
    try {
      return (*backend)->getUserList();
    }
    catch(Net::Exception e2) {
      if(e.getErrorCode() == Net::Exception::NOT_IMPLEMENTED && e2.getErrorCode() != Net::Exception::NOT_IMPLEMENTED)
        e = e2;
    }
  }

  throw e;
}

boost::shared_ptr<Common::UserInfo> UserManager::getUserInfo(unsigned long uid) throw(Net::Exception) {
  Net::Exception e(Net::Exception::NOT_IMPLEMENTED);

  for(std::set<boost::shared_ptr<UserBackend> >::iterator backend = backends.begin(); backend != backends.end(); ++backend) {
    try {
      return (*backend)->getUserInfo(uid);
    }
    catch(Net::Exception e2) {
      if(e.getErrorCode() == Net::Exception::NOT_IMPLEMENTED && e2.getErrorCode() != Net::Exception::NOT_IMPLEMENTED)
        e = e2;
    }
  }

  throw e;
}

boost::shared_ptr<std::map<unsigned long, Common::GroupInfo> > UserManager::getGroupList() throw(Net::Exception) {
  Net::Exception e(Net::Exception::NOT_IMPLEMENTED);

  for(std::set<boost::shared_ptr<UserBackend> >::iterator backend = backends.begin(); backend != backends.end(); ++backend) {
    try {
      return (*backend)->getGroupList();
    }
    catch(Net::Exception e2) {
      if(e.getErrorCode() == Net::Exception::NOT_IMPLEMENTED && e2.getErrorCode() != Net::Exception::NOT_IMPLEMENTED)
        e = e2;
    }
  }

  throw e;
}

void UserManager::setPassword(unsigned long uid, const std::string &password) throw(Net::Exception) {
  Net::Exception e(Net::Exception::NOT_IMPLEMENTED);

  for(std::set<boost::shared_ptr<UserBackend> >::iterator backend = backends.begin(); backend != backends.end(); ++backend) {
    try {
      return (*backend)->setPassword(uid, password);
    }
    catch(Net::Exception e2) {
      if(e.getErrorCode() == Net::Exception::NOT_IMPLEMENTED && e2.getErrorCode() != Net::Exception::NOT_IMPLEMENTED)
        e = e2;
    }
  }

  throw e;
}

void UserManager::addUser(const Common::UserInfo &userInfo) throw(Net::Exception) {
  Net::Exception e(Net::Exception::NOT_IMPLEMENTED);

  for(std::set<boost::shared_ptr<UserBackend> >::iterator backend = backends.begin(); backend != backends.end(); ++backend) {
    try {
      return (*backend)->addUser(userInfo);
    }
    catch(Net::Exception e2) {
      if(e.getErrorCode() == Net::Exception::NOT_IMPLEMENTED && e2.getErrorCode() != Net::Exception::NOT_IMPLEMENTED)
        e = e2;
    }
  }

  throw e;
}

}
}