source: trunk/gsdl/src/recpt/buildaction.cpp@ 1000

/**********************************************************************
 *
 * buildaction.cpp -- building collections
 * Copyright (C) 1999  DigiLib Systems Limited, New Zealand
 *
 * 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.
 *
 *********************************************************************/

#ifndef __WIN32__
#include <unistd.h>
#endif

#include "OIDtools.h"
#include "fileutil.h"
#include "htmlutils.h"
#include "buildaction.h"

///////////////
// buildaction
///////////////

buildaction::buildaction () {
  // 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 = "bc"; // build collection
  arg_ainfo.savedarginfo = cgiarginfo::must;
  argsinfo.addarginfo (NULL, arg_ainfo);

  // "bca"
  arg_ainfo.shortname = "bca";
  arg_ainfo.longname = "build collection action";
  arg_ainfo.multiplechar = true;
  arg_ainfo.defaultstatus = cgiarginfo::weak;
  arg_ainfo.argdefault = "editcol";
  arg_ainfo.savedarginfo = cgiarginfo::mustnot;
  argsinfo.addarginfo (NULL, arg_ainfo);


  // "mess"
  arg_ainfo.shortname = "mess";
  arg_ainfo.longname = "macro name of text for the message page";
  arg_ainfo.multiplechar = true;
  arg_ainfo.defaultstatus = cgiarginfo::weak;
  arg_ainfo.argdefault = "";
  arg_ainfo.savedarginfo = cgiarginfo::mustnot;
  argsinfo.addarginfo (NULL, arg_ainfo);

  // "head"
  arg_ainfo.shortname = "head";
  arg_ainfo.longname = "macro name of text to use as header for the message page";
  arg_ainfo.multiplechar = true;
  arg_ainfo.defaultstatus = cgiarginfo::weak;
  arg_ainfo.argdefault = "";
  arg_ainfo.savedarginfo = cgiarginfo::mustnot;
  argsinfo.addarginfo (NULL, arg_ainfo);

}

bool buildaction::check_cgiargs (cgiargsinfoclass &/*argsinfo*/, cgiargsclass &args, 
                 ostream &/*logout*/) {
  if ((args["bca"] != "buildstatus") && (args["bca"] != "collog"))
    {
      // authenticate the user if authentication is avaiable
      args["uan"] = 1;
      args["ug"] = "colbuilder";
    }
  return true;
}

void buildaction::get_cgihead_info (cgiargsclass &/*args*/, recptprotolistclass * /*protos*/,
                    response_t &response,text_t &response_data, 
                    ostream &/*logout*/) {

  response = content;
  response_data = "text/html";
}

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

  // make sure we know about a receptionist
  if (recpt == NULL) {
    logout << "The page action does not contain information\n"
           << "about any receptionists. The method set_receptionist\n"
           << "was probably not called from the module which instantiated\n"
           << "this page action.\n";
    return;
  }

  recptprotolistclass *rprotolist = recpt->get_recptprotolist_ptr ();
  if (rprotolist == NULL) return;
  
  // build up javascript and HTML code useful in web forms
  text_t first_dirname = "";
  text_t fullnamelist = "var fullnamelist = new Array(";
  text_t dirnamelist  = "var dirnamelist = new Array(";
  text_t fullnamemenu = (text_t)"<input type=hidden name=\"bc1fullnameindex\""
                        +" value=\"_bcargfullnameindex_\">\n"
                        +"<select name=\"bc1fullnamemenu\" onChange=fullnameindex_changed()>\n";
  int rcount = 1;
  int fcount = 1;
  int starting_fullname_index = 0;
  disp.setmacro("bcargfirsttime","build","false");

  recptprotolistclass::iterator rprotolist_here = protos->begin();
  recptprotolistclass::iterator rprotolist_end = protos->end();
  while (rprotolist_here != rprotolist_end) {
    if ((*rprotolist_here).p != NULL) {
      text_tarray collist;
      comerror_t err;
      (*rprotolist_here).p->get_collection_list (collist, err, logout);
      if (err == noError) {
    text_tarray::iterator collist_here = collist.begin();
    text_tarray::iterator collist_end = collist.end();

    if (rcount>1) { fullnamelist += ","; }
    fullnamelist += "new Array(";

    FilterResponse_t response;
    text_tset metadata;
    metadata.insert ("collectionname");
    
    int ccount = 1;

    while (collist_here != collist_end) {

      ColInfoResponse_t cinfo;
      (*rprotolist_here).p->get_collectinfo (*collist_here, cinfo, err, logout);
      if (err == noError) {
        text_t collectionname = *collist_here;
        if (!cinfo.collectionmeta["collectionname"].empty())
          {
        // get collection name from the collection cfg file
        collectionname = cinfo.collectionmeta["collectionname"];
          }
        else
          {
        if (get_info ("collection", *collist_here, metadata, false, (*rprotolist_here).p, 
                  response, logout))
          {
            // get collection name from gdbm file
            collectionname = response.docInfo[0].metadata["collectionname"].values[0];
          }
          }
      
        if (ccount>1) { fullnamelist += ","; dirnamelist += ","; }
        fullnamelist += (text_t)"\"" + collectionname + "\"";
        dirnamelist += (text_t)"\"" + *collist_here + "\"";

        fullnamemenu += (text_t)"<option value=\"" + collectionname + "\"";
        if (args["bc1dirname"] == "")
          {
        if ((rcount==1) && (ccount==1)) 
          { 
            fullnamemenu += " selected"; 
            first_dirname = *collist_here;
            starting_fullname_index = 0;
          }
          }
        else
          {
        if (args["bc1dirname"] == *collist_here)
          {
            fullnamemenu += " selected"; 
            first_dirname = *collist_here;
            starting_fullname_index = fcount-1;
          }
          }
        fullnamemenu += (text_t)">" + collectionname;

        // check to see if the "collection" is writable
        text_t cfg_fname 
          = filename_cat(gsdlhome, "collect", *collist_here, "etc", "collect.cfg");
        if (!file_writable(cfg_fname))
          {
        fullnamemenu += " <b>(write protected)</b>";
          }

        fullnamemenu += "\n";

        if (args["bca"]=="buildcol")
          {
        if (((args["bc1dirname"]=="") && (rcount==1) && (ccount==1))
            || (args["bc1dirname"]==*collist_here))
          {
            disp.setmacro("bcargingsdlarea","build",cinfo.building["ingsdlarea"]);
            disp.setmacro("bcargcopydir","build",cinfo.building["copydir"]);
            
            if (cinfo.buildDate==0) // not built
              {
            // assume that's because this is the first build ever for the collection
            args["bc1copydata"]="true";
            disp.setmacro("bcargcopydata","build","true");
            disp.setmacro("bcargfirsttime","build","true"); // override value
              }
          }
          }

        ccount++;
        fcount++;
      }
      collist_here ++;
    }

    fullnamelist += ")";
      }
      rcount ++;
    }
    fullnamelist += ");\n";
    dirnamelist += ");\n";

    fullnamemenu += "</select>\n";
    rprotolist_here ++;
  }

  if ((args["bca"]=="newcol") || (args["bca"]=="editcol"))
    {
      disp.setmacro ("fullnamelist", "build", fullnamelist); 
    }

  if ((args["bca"]=="delcol") || (args["bca"]=="editcol") || (args["bca"]=="buildcol") || (args["bca"]=="collog"))
    {
      disp.setmacro ("dirnamelist", "build", dirnamelist);
      disp.setmacro ("fullnamemenu", "build", fullnamemenu); 
      disp.setmacro ("bcargfullnameindex", "build", starting_fullname_index);
    }


  // define special "wizard" form value so webform building process can 
  // keep track of which page it is on
  text_t wizard_value
    = (args["wizard"] == "") ? (text_t)"textinfo" : args["wizard"];
  text_t hiddenargs 
    = "<input type=\"hidden\" name=\"wizard\" value=\""+wizard_value+"\">\n";
  disp.setmacro ("hiddenargs", "build", hiddenargs); 
  disp.setmacro ("wizard", "build", wizard_value);

  // cache any cgi arguments starting "newcol:" (from previous webform)
  cgiargsclass::const_iterator args_here = args.begin();
  cgiargsclass::const_iterator args_end = args.end();
  while (args_here != args_end) {
    // define macro if args came from a previous col building webpage
    text_t args_entry = (*args_here).first;

    if (substr(args_entry.begin(),args_entry.begin()+3) == "bc1")
      {
    text_t bc1name = substr(args_entry.begin()+3,args_entry.end());
    text_t cached_cgiarg = "bcarg" + bc1name;
    disp.setmacro(cached_cgiarg,"build",args[args_entry]);
      }
    args_here++;
  }

  // set macro cfgperm based on whether config file can be read or no
  text_t dirname = (args["bc1dirname"] == "") ? first_dirname : args["bc1dirname"];
  text_t cfg_fname = filename_cat(gsdlhome, "collect", dirname, "etc", "collect.cfg");
  text_t cfgperm = (file_writable(cfg_fname)) ? text_t("read/write") : text_t("readonly");
  disp.setmacro("cfgperm","build",cfgperm);

  // if edit collection, read in collect.cfg file
  if (args["bca"]=="editcol")
    {
      text_t dirname 
    = (args["bc1dirname"] == "") ? first_dirname : args["bc1dirname"];

      // read in collect.cfg      
      text_t cfg_fname 
    = filename_cat(gsdlhome, "collect", dirname, "etc", "collect.cfg");
      ifstream cfg_ifs (cfg_fname.getcstr(), ios::in | ios::nocreate);
      if (cfg_ifs) 
    {  
      // read in collect.cfg      
      text_t cfg_text = "";
      
      char c;
      cfg_ifs.get(c);
      while (!cfg_ifs.eof ()) {
        cfg_text.push_back(c);
        if (c=='\\') { cfg_text.push_back('\\'); }
        cfg_ifs.get(c);
      }
    
      cfg_ifs.close();
      if (cfgperm=="readonly") cfg_text = html_safe(cfg_text);

      // define it as a macro
      disp.setmacro("cfgfile","build",cfg_text);
    } 
      else 
    {
      text_t error_mess = "Unable to read configuration file: "+cfg_fname;
      disp.setmacro("cfgfile","build",error_mess);
    }
    }

  // if view log, read in collect.bld file
  if (args["bca"]=="collog")
    {
      text_t dirname 
    = (args["bc1dirname"] == "") ? first_dirname : args["bc1dirname"];

      // read in collect.bld
      text_t bld_fname = filename_cat(gsdlhome, "log", dirname+ ".bld");
      ifstream bld_ifs (bld_fname.getcstr(), ios::in | ios::nocreate);
      if (bld_ifs) 
    {
      text_t bld_text = "";
      
      char c;
      bld_ifs.get(c);
      while (!bld_ifs.eof ()) {
        bld_text.push_back(c);
        if (c=='\\') { bld_text.push_back('\\'); }
        bld_ifs.get(c);
      }
    
      bld_ifs.close();
      bld_text = html_safe(bld_text);

      // define it as a macro
      disp.setmacro("bldfile","build",bld_text);
    } 
      else 
    {
      text_t error_mess = "Log file currently empty.";
      disp.setmacro("bldfile","build",error_mess);
    }
    }
}

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

  // make sure we know about a receptionist
  if (recpt == NULL) {
    logout << "The page action does not contain information\n"
           << "about any receptionists. The method set_receptionist\n"
           << "was probably not called from the module which instantiated\n"
           << "this page action.\n";
    return false;
  }

  if (args["bca"] == "newcol") {
    return do_newcol (args, disp, outconvert, textout, logout);
  }
  else if (args["bca"] == "editcol") {
    return do_editcol (args, disp, outconvert, textout, logout);
  }
  else if (args["bca"] == "buildcol") {
    return do_buildcol (args, disp, outconvert, textout, logout);
  }
  else if (args["bca"] == "buildstatus") {
    return do_buildstatus (args, disp, outconvert, textout, logout);
  }
  else if (args["bca"] == "delcol") {
    return do_delcol (args, disp, outconvert, textout, logout);
  }
  else if (args["bca"] == "collog") {
    return do_collog (args, disp, outconvert, textout, logout);
  }
  else if (args["bca"] == "mess") {
    return do_mess (args, disp, outconvert, textout, logout);
  }

  // default (bca == blankpage)
  textout << outconvert << "<html><body bgcolor=#ffffff></body></html>\n";

  return true;
}



bool buildaction::do_newcol  (cgiargsclass &args, displayclass &disp, 
                  outconvertclass &outconvert, ostream &textout, 
                  ostream &/*logout*/) {

  text_tarray wizard_split;
  const text_t& wizard = (args["wizard"] == "") ? (text_t)"textinfo" : args["wizard"];
  splitchar(wizard.begin(),wizard.end(),':',wizard_split);
  const text_t& wizard_last = wizard_split.back();

  text_t content  = "_build:content"  + wizard_last + "_\n";
  text_t headmess = "_build:header_(_build:headmess" + wizard_last + "_)\n";

  textout << outconvert << disp << (headmess) << (content) << ("_build:wizardfooter_\n");

  return true;
}


bool buildaction::do_editcol (cgiargsclass &/*args*/, displayclass &disp, 
                  outconvertclass &outconvert, ostream &textout, 
                  ostream &/*logout*/) {

  textout << outconvert << disp << ("_build:header_(_build:headmesseditcol_)\n")
      << ("_build:contenteditcol_\n")
      << ("_build:wizardfooter_\n");

  return true;
}

bool buildaction::do_buildcol (cgiargsclass &args, displayclass &disp, 
                   outconvertclass &outconvert, ostream &textout, 
                   ostream &logout) {




  text_tarray wizard_split;
  const text_t& wizard = (args["wizard"]=="") ? (text_t)"buildcol" : args["wizard"];
  splitchar(wizard.begin(),wizard.end(),':',wizard_split);
  const text_t& wizard_last = wizard_split.back();
  
  if (wizard_last != "buildframe")
    {     
      text_t headmess = "_build:header_(_build:headmess" + wizard_last + "_)\n";
      text_t content  = "_build:content"  + wizard_last + "_\n";
  
      textout << outconvert << disp << headmess << content << "_build:wizardfooter_\n";
    }
  else
    {
      text_t dirname = (args["bc1dirname"] == "") ? (text_t)"unknown" : args["bc1dirname"];
      text_t tmpname = dirname+"_XXXXXX";
      if (mktemp(tmpname.getcstr())==NULL)
    {
      logout << "Failed to create temporary filename" << endl;
    }
      disp.setmacro("bcargtmpname","build",tmpname);


      text_t headmess = "_build:frameheader_(_build:headmess" + wizard_last + "_)\n";
      text_t content  = "_build:content"  + wizard_last + "_\n";
  
      textout << outconvert << disp << headmess << content << "_build:framefooter_\n";
      text_t cmd = filename_cat(gsdlhome, "cgi-bin", "webpage_buildcol.pl");
      cmd += " gsdlhome=\""+args["gsdlhome"]+"\" httpbuild=\""+args["httpbuild"]+"\"";
      cmd += " bc1copydata=\""+args["bc1copydata"]+"\"";
      cmd += " bc1doimport=\""+args["bc1doimport"]+"\"";
      cmd += " bc1dobuild=\""+args["bc1dobuild"]+"\"";
      cmd += " bc1dirname=\""+args["bc1dirname"]+"\" bc1tmpname=\""+tmpname+"\" &";
      
      system(cmd.getcstr());
    }

  return true;
}

bool buildaction::do_buildstatus (cgiargsclass &args, displayclass &disp, 
                  outconvertclass &outconvert, ostream &textout, 
                  ostream &/*logout*/) {

  disp.setmacro("contentpara","buildstatus", args["mess"]);

  textout << outconvert << disp << ("_buildstatus:header_\n")
      << ("_buildstatus:content_\n")
      << ("_buildstatus:footer_\n");

  return true;
}

bool buildaction::do_delcol  (cgiargsclass &/*args*/, displayclass &disp, 
                  outconvertclass &outconvert, ostream &textout, 
                  ostream &/*logout*/) {

  textout << outconvert << disp << ("_build:header_(_build:headmessdelcol_)\n")
      << ("_build:contentdelcol_\n")
      << ("_build:footer_\n");

  return true;
}


bool buildaction::do_collog  (cgiargsclass &/*args*/, displayclass &disp, 
                outconvertclass &outconvert, ostream &textout, 
                ostream &/*logout*/) {
  textout << outconvert << disp << ("_build:header_(_build:headmesscollog_)\n")
      << ("_build:contentcollog_\n")
      << ("_build:wizardfooter_\n");

  return true;
}

bool buildaction::do_mess  (cgiargsclass &args, displayclass &disp, 
                outconvertclass &outconvert, ostream &textout, 
                ostream &/*logout*/) {

  disp.setmacro("contentpara","buildmess", args["mess"]);
  disp.setmacro("headmess","buildmess", args["head"]);
  textout << outconvert << disp << ("_build:header_(_buildmess:headmess_)\n")
      << ("_buildmess:content_\n")
      << ("_build:footer_\n");

  return true;
}