// common/MessageDb.cc
// This file is part of Decimail; see http://decimail.org
// (C) 2004 Philip Endecott
 
// This is version $Name$
//   (if there is no version (e.g. V0-1) mentioned in the previous line,
//    this is probably a snapshot from between "official" releases.)
 
// 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 2 of the License, or
// 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, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
#include "MessageDb.hh"

#include "utils.hh"


MessageDb::MessageDb(DmDatabase& d, int id):
  Message(id), db(d)
{}


void MessageDb::obtain_entire_message(void) const
{
  if (!entire_message_valid) {
    DmDatabase::Query q(&db);
    q << "select headers, body from messages_v "
      << "where msg_id = " << id << ";";
    q.run();
    
    body = q.get_bytea(0,q.find_column("body"));
    headers = q.get_bytea(0,q.find_column("headers"));
    entire_message = headers + "\r\n\r\n" + body;

    body_valid=true;
    headers_valid=true;
    entire_message_valid=true;
  }
}


void MessageDb::obtain_body(void) const
{
  if (!body_valid) {
    DmDatabase::Query q(&db);
    q << "select body from messages_v "
      << "where msg_id = " << id << ";";
    q.run();
    
    body = q.get_bytea(0,q.find_column("body"));
    body_valid=true;
  }
}


void MessageDb::obtain_headers(void) const
{
  if (!headers_valid) {
    DmDatabase::Query q(&db);
    q << "select headers from messages_v "
      << "where msg_id = " << id << ";";
    q.run();
    
    headers = q.get_bytea(0,q.find_column("headers"));
    headers_valid=true;
  }
}


void MessageDb::obtain_size(void) const
{
  if (!size_valid) {
    if (entire_message_valid) {
      size=entire_message.size();
    } else {
      DmDatabase::Query q(&db);
      q << "select size from messages_v where msg_id = " << id << ";";
      q.run();
      size = q.get_num(0,0);
    }
    size_valid=true;
  }
}