source: trunk/gsdl/src/recpt/delhistoryaction.cpp@ 928

/**********************************************************************
 *
 * delhistoryaction.cpp -- allows user to select history items to delete
 * Copyright (C) 1999  The New Zealand Digital Library Project
 *
 * A component of the Greenstone digital library software
 * from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Id: delhistoryaction.cpp 928 2000-02-15 22:53:52Z kjm18 $
 *
 *********************************************************************/



#include "delhistoryaction.h"
//#include "querytools.h"
//#include "formattools.h"
#include "cgiutils.h"
//#include "OIDtools.h"
//#include "infodbclass.h"
//#include "fileutil.h"
#include "text_t.h"
#include "historydb.h"


delhistoryaction::delhistoryaction () {

  //  num_phrases = 0;

  // this action uses cgi variable "a"
  cgiarginfo arg_ainfo;
  arg_ainfo.shortname = "a";
  arg_ainfo.longname = "action";
  arg_ainfo.multiplechar = true;
  arg_ainfo.defaultstatus = cgiarginfo::weak;
  arg_ainfo.argdefault = "dh";
  arg_ainfo.savedarginfo = cgiarginfo::must;
  argsinfo.addarginfo (NULL, arg_ainfo);

  // "hmode" -- indicate whether selected records are to be
  // saved or deleted
  arg_ainfo.shortname = "hmode";
  arg_ainfo.longname = "history deletion mode";
  arg_ainfo.multiplechar = true;
  //arg_ainfo.multiplevalue = true;
  arg_ainfo.defaultstatus = cgiarginfo::weak;
  arg_ainfo.argdefault = "delete";
  arg_ainfo.savedarginfo = cgiarginfo::mustnot;
  argsinfo.addarginfo (NULL, arg_ainfo);

 // "hsr" -- the selected records
 
  arg_ainfo.shortname = "hsr";
  arg_ainfo.longname = "history selected records";
  arg_ainfo.multiplechar = true;
  arg_ainfo.multiplevalue = true;
  arg_ainfo.defaultstatus = cgiarginfo::weak;
  arg_ainfo.argdefault = "";
  arg_ainfo.savedarginfo = cgiarginfo::mustnot;
  argsinfo.addarginfo (NULL, arg_ainfo);

  // "hdh" delete history for current user
  // clear history = delete some, delete all

  arg_ainfo.shortname = "hdh";
  arg_ainfo.longname = "history delete history";
  arg_ainfo.multiplechar = true;
  arg_ainfo.defaultstatus = cgiarginfo::weak;
  arg_ainfo.argdefault = "";
  arg_ainfo.savedarginfo = cgiarginfo::mustnot;
  argsinfo.addarginfo (NULL, arg_ainfo);

}

void delhistoryaction::configure (const text_t &key, const text_tarray &cfgline) {
  action::configure (key, cfgline);
}

bool delhistoryaction::init (ostream &logout) {
  return action::init (logout);
}

bool delhistoryaction::check_cgiargs (cgiargsinfoclass & /*argsinfo*/, cgiargsclass & /*args*/, 
                 ostream &/*logout*/) {
  //dont check anything yet
  return true;
}

void delhistoryaction::get_cgihead_info (cgiargsclass &/*args*/, recptprotolistclass * /*protos*/,
                    response_t &response, text_t &response_data, 
                    ostream &/*logout*/) {
  response = content;
  response_data = "text/html";
}

void delhistoryaction::define_internal_macros (displayclass &/*disp*/, cgiargsclass &/*args*/, 
                      recptprotolistclass */*protos*/, 
                      ostream &/*logout*/) {

  // define_internal_macros sets the following macros:
  //_searchhistorylist_

  //  define_history_macros(disp, args, protos, logout);

}


void delhistoryaction::define_external_macros (displayclass &/*disp*/, cgiargsclass &/*args*/, 
                      recptprotolistclass */*protos*/, ostream &/*logout*/) {

  // define_external_macros sets the following macros:

  // can't do anything if collectproto is null (i.e. no collection was specified)
  //recptproto *collectproto = protos->getrecptproto (args["c"], logout);
  //if (collectproto == NULL) return;

    // define_history_macros(disp, args, protos, logout);
  
} // define external macros

void delhistoryaction::define_history_macros(displayclass &disp, cgiargsclass &args, 
                      recptprotolistclass *protos, ostream &logout) {

  // defines the following macros

  // _searchhistorylist_

    text_t historylist = "<!-- Search History List -->\n";
   
    text_t userid = args["z"];
    text_tarray entries;

    historylist += " <table align=center width=500 border=1> \n <tr><th colspan=4 align=center>";
    historylist += "Search History </th></tr>\n";
    historylist += "<tr><th width=60>select</th><th width=40>#</th>\n<th width=340>Query</th>\n";
    historylist += "<th width=60>Results</th></tr>\n";
    if (get_history_info(userid, entries)) {
      int count = 1;
      text_tarray::iterator here = entries.begin();
      text_tarray::iterator end = entries.end();
      //      int size=(int)entries.size();
      while (here !=end ) {
    text_t c=count;
    text_t querynum;
    text_t query;
    text_t q = "q";
    text_t numdocs;
    text_t cgiargs;
    text_t  userinfo;
    split_saved_query(*here, querynum, numdocs, cgiargs);
    parse_saved_args(cgiargs, q, query); // get query string out
    decode_cgi_arg(query); // un cgisafe it
    
    format_user_info(cgiargs, userinfo, protos, logout);
    
    historylist += "<tr> <td width=60 align=center><input type=checkbox name=hsr value=\""+querynum+"\"></td>";
    historylist += "<td width=40 align=center>"+querynum+"</td>\n";
    historylist += "<td width=340 align=left>"+query+"</td><td width=60 align=center>"+numdocs+"</td>\n";
    here++;
    count++;
      }
     
     
    } // if
    else { // have an empty row
      historylist += "";
    }
    historylist+="</table>";
    historylist += "<p><! ---- end of history list ----->\n";
    disp.setmacro("searchhistorylist", "delhistory", historylist);

} // define history macros


bool delhistoryaction::do_action (cgiargsclass &args, recptprotolistclass *protos, 
                 browsermapclass */*browsers*/, displayclass &disp, 
                 outconvertclass &outconvert, ostream &textout, 
                 ostream &logout) {

  if (args["hdh"] !="") {
    delete_search_history(args);
  }
  define_history_macros(disp, args, protos, logout);
  textout << outconvert << disp << ("_delhistory:header_\n")
      << ("_delhistory:content_\n")
      << ("_delhistory:footer_\n");

  return true;
}


bool delhistoryaction::delete_search_history(cgiargsclass &args)
{

  bool result;
  text_t userid = args["z"];
  text_t type = args["hdh"];
  decode_cgi_arg(type);
  if (type=="Delete All") {
    result=delete_all_history_info(userid);
  }else if (type=="Clear History"){
    text_t records = args["hsr"];
    text_t deletemode = args["hmode"];
    result=delete_history_info(userid, deletemode, records);
  } else {
    result=false;
  }

  return result;

}