/* Copyright (C) 2005 J.F.Dockes
* 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
* (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, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <math.h>
#include <time.h>
#include <cmath>
#include <list>
using std::list;
#include "docseqhist.h"
#include "rcldb.h"
#include "fileudi.h"
#include "internfile.h"
#include "base64.h"
#include "debuglog.h"
#include "smallut.h"
// Encode document history entry:
// U + Unix time + base64 of udi
// The U distinguishes udi-based entries from older fn+ipath ones
bool RclDHistoryEntry::encode(string& value)
{
char chartime[30];
sprintf(chartime,"%ld", unixtime);
string budi;
base64_encode(udi, budi);
value = string("U ") + string(chartime) + " " + budi;
return true;
}
// Decode. We support historical entries which were like "time b64fn [b64ipath]"
// Current entry format is "U time b64udi"
bool RclDHistoryEntry::decode(const string &value)
{
vector<string> vall;
stringToStrings(value, vall);
vector<string>::const_iterator it = vall.begin();
udi.erase();
string fn, ipath;
switch (vall.size()) {
case 2:
// Old fn+ipath, null ipath case
unixtime = atoll((*it++).c_str());
base64_decode(*it++, fn);
break;
case 3:
if (!it->compare("U")) {
// New udi-based entry
it++;
unixtime = atoll((*it++).c_str());
base64_decode(*it++, udi);
} else {
// Old fn + ipath. We happen to know how to build an udi
unixtime = atoll((*it++).c_str());
base64_decode(*it++, fn);
base64_decode(*it, ipath);
}
break;
default:
return false;
}
if (!fn.empty()) {
// Old style entry found, make an udi, using the fs udi maker
make_udi(fn, ipath, udi);
}
LOGDEB1(("RclDHistoryEntry::decode: udi [%s]\n", udi.c_str()));
return true;
}
bool RclDHistoryEntry::equal(const DynConfEntry& other)
{
const RclDHistoryEntry& e = dynamic_cast<const RclDHistoryEntry&>(other);
return e.udi == udi;
}
bool historyEnterDoc(RclDynConf *dncf, const string& udi)
{
LOGDEB1(("historyEnterDoc: [%s] into %s\n",
udi.c_str(), dncf->getFilename().c_str()));
RclDHistoryEntry ne(time(0), udi);
RclDHistoryEntry scratch;
return dncf->insertNew(docHistSubKey, ne, scratch, 200);
}
list<RclDHistoryEntry> getDocHistory(RclDynConf* dncf)
{
return dncf->getList<RclDHistoryEntry>(docHistSubKey);
}
bool DocSequenceHistory::getDoc(int num, Rcl::Doc &doc, string *sh)
{
// Retrieve history list
if (!m_hist)
return false;
if (m_hlist.empty())
m_hlist = getDocHistory(m_hist);
if (num < 0 || num >= (int)m_hlist.size())
return false;
int skip;
if (m_prevnum >= 0 && num >= m_prevnum) {
skip = num - m_prevnum;
} else {
skip = num;
m_it = m_hlist.begin();
m_prevtime = -1;
}
m_prevnum = num;
while (skip--)
m_it++;
if (sh) {
if (m_prevtime < 0 ||
abs (float(m_prevtime) - float(m_it->unixtime)) > 86400) {
m_prevtime = m_it->unixtime;
time_t t = (time_t)(m_it->unixtime);
*sh = string(ctime(&t));
// Get rid of the final \n in ctime
sh->erase(sh->length()-1);
} else
sh->erase();
}
bool ret = m_db->getDoc(m_it->udi, doc);
if (!ret || doc.pc == -1) {
doc.url = "UNKNOWN";
doc.ipath = "";
}
return ret;
}
bool DocSequenceHistory::getEnclosing(Rcl::Doc& doc, Rcl::Doc& pdoc)
{
string udi;
if (!FileInterner::getEnclosing(doc.url, doc.ipath, pdoc.url, pdoc.ipath,
udi))
return false;
bool dbret = m_db->getDoc(udi, pdoc);
return dbret && pdoc.pc != -1;
}
int DocSequenceHistory::getResCnt()
{
if (m_hlist.empty())
m_hlist = getDocHistory(m_hist);
return m_hlist.size();
}