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Diff for /loncom/interface/lonprintout.pm between versions 1.522 and 1.525

version 1.522, 2008/03/23 19:48:49 version 1.525, 2008/03/28 15:22:48
Line 116  sub annotate { Line 116  sub annotate {
 #                      the number of times requested by the caller.  #                      the number of times requested by the caller.
 #                      If we still have a proble, no text is appended to the  #                      If we still have a proble, no text is appended to the
 #                      output and we set some global variables.  #                      output and we set some global variables.
 #                      to indicate to the caller an SSI error occured.    #                      to indicate to the caller an SSI error occurred.  
 #                      All of this is supposed to deal with the issues described  #                      All of this is supposed to deal with the issues described
 #                      in LonCAPA BZ 5631 see:  #                      in LonCAPA BZ 5631 see:
 #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631  #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
Line 132  sub annotate { Line 132  sub annotate {
 #   On success, returns the rendered resource identified by the resource parameter.  #   On success, returns the rendered resource identified by the resource parameter.
 # Side Effects:  # Side Effects:
 #   The following global variables can be set:  #   The following global variables can be set:
 #    ssi_error                - If an unrecoverable error occured this becomes true.  #    ssi_error                - If an unrecoverable error occurred this becomes true.
 #                               It is up to the caller to initialize this to false  #                               It is up to the caller to initialize this to false
 #                               if desired.  #                               if desired.
 #    ssi_last_error_resource  - If an unrecoverable error occured, this is the value  #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
 #                               of the resource that could not be rendered by the ssi  #                               of the resource that could not be rendered by the ssi
 #                               call.  #                               call.
 #    ssi_last_error           - The error string fetched from the ssi response  #    ssi_last_error           - The error string fetched from the ssi response
Line 150  sub ssi_with_retries { Line 150  sub ssi_with_retries {
  $ssi_error               = 1;   $ssi_error               = 1;
  $ssi_last_error_resource = $resource;   $ssi_last_error_resource = $resource;
  $ssi_last_error          = $response->code . " " . $response->message;   $ssi_last_error          = $response->code . " " . $response->message;
           $content='\section*{!!! An error occured !!!}';
  &Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");   &Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
     }      }
   
Line 158  sub ssi_with_retries { Line 158  sub ssi_with_retries {
   
 }  }
   
   sub get_student_view_with_retries {
       my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
   
       my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
       if (!$response->is_success) {
           $ssi_error               = 1;
           $ssi_last_error_resource = $curresline;
           $ssi_last_error          = $response->code . " " . $response->message;
           $content='\section*{!!! An error occured !!!}';
           &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error");
       }
   
       return $content;
   
   }
   
 #  #
 #   printf_style_subst  item format_string repl  #   printf_style_subst  item format_string repl
 #    #  
Line 2086  ENDPART Line 2102  ENDPART
  }   }
     }      }
   
   
     # If there's been an unrecoverable SSI error, report it to the user  
     # otherwise, we can write the tex file.  
     #  
   
     if ($ssi_error) {  
   
         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');  
  my $end_page = &Apache::loncommon::end_page();  
  $r->print('  
 <br />  
 <h2>'.&mt('An unrecoverable error occured:').'</h2>  
 <p>  
   '.&mt('One of the resources ([_1]) you chose to print could not be rendered due to an unrecoverable error when communicating with a server:',$ssi_last_error_resource).'   
 <br />  
 '.$ssi_last_error.'  
 </p>  
 <p>'.  
 &mt('It is recommended that you try printing again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'<br />'.  
 &mt('If the error persists, please contact the [_1] for assistance.',$helpurl).  
 '</p><p>'.  
 &mt('We apologize for the inconvenience.').  
 '</p>'.  
 $end_page);  
     } else {  
   
 #-- writing .tex file in prtspool   #-- writing .tex file in prtspool 
  my $temp_file;      my $temp_file;
  my $identifier = &Apache::loncommon::get_cgi_id();      my $identifier = &Apache::loncommon::get_cgi_id();
  my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";      my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
  if (!($#print_array>0)) {       if (!($#print_array>0)) { 
     unless ($temp_file = Apache::File->new('>'.$filename)) {         unless ($temp_file = Apache::File->new('>'.$filename)) {
  $r->log_error("Couldn't open $filename for output $!");    $r->log_error("Couldn't open $filename for output $!");
  return SERVER_ERROR;     return SERVER_ERROR; 
     }         }
     print $temp_file $result;         print $temp_file $result;
     my $begin=index($result,'\begin{document}',0);         my $begin=index($result,'\begin{document}',0);
     my $inc=substr($result,0,$begin+16);         my $inc=substr($result,0,$begin+16); 
  } else {      } else {
     my $begin=index($result,'\begin{document}',0);         my $begin=index($result,'\begin{document}',0);
     my $inc=substr($result,0,$begin+16);         my $inc=substr($result,0,$begin+16);
     for (my $i=0;$i<=$#print_array;$i++) {         for (my $i=0;$i<=$#print_array;$i++) {
  if ($i==0) {    if ($i==0) {
     $print_array[$i]=$result;        $print_array[$i]=$result;
  } else {    } else {
     $print_array[$i].='\end{document}';        $print_array[$i].='\end{document}';
     $print_array[$i] =         $print_array[$i] = 
  &latex_corrections($number_of_columns,$print_array[$i],   &latex_corrections($number_of_columns,$print_array[$i],
    $selectionmade,      $selectionmade, 
    $helper->{'VARS'}->{'ANSWER_TYPE'});     $helper->{'VARS'}->{'ANSWER_TYPE'});
       
     my $anobegin=index($print_array[$i],'\setcounter{page}',0);  
     substr($print_array[$i],0,$anobegin)='';  
     $print_array[$i]=$inc.$print_array[$i];  
  }  
  my $temp_file;  
  my $newfilename=$filename;  
  my $num=$i+1;  
  $newfilename =~s/\.tex$//;   
  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);  
  unless ($temp_file = Apache::File->new('>'.$newfilename)) {  
     $r->log_error("Couldn't open $newfilename for output $!");  
     return SERVER_ERROR;   
  }  
  print $temp_file $print_array[$i];  
     }  
           
         my $anobegin=index($print_array[$i],'\setcounter{page}',0);
         substr($print_array[$i],0,$anobegin)='';
         $print_array[$i]=$inc.$print_array[$i];
     }
     my $temp_file;
     my $newfilename=$filename;
     my $num=$i+1;
     $newfilename =~s/\.tex$//; 
     $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
     unless ($temp_file = Apache::File->new('>'.$newfilename)) {
         $r->log_error("Couldn't open $newfilename for output $!");
         return SERVER_ERROR; 
     }
     print $temp_file $print_array[$i];
          }
       }
       my $student_names='';
       if ($#print_array>0) {
           for (my $i=0;$i<=$#print_array;$i++) {
      $student_names.=$student_names[$i].'_ENDPERSON_';
  }   }
  my $student_names='';      } else {
  if ($#print_array>0) {   if ($#student_names>-1) {
     for (my $i=0;$i<=$#print_array;$i++) {     $student_names=$student_names[0].'_ENDPERSON_';
  $student_names.=$student_names[$i].'_ENDPERSON_';  
     }  
  } else {   } else {
     if ($#student_names>-1) {             my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
  $student_names=$student_names[0].'_ENDPERSON_';     $student_names=join(':',$env{'user.name'},$env{'user.domain'},
     } else {  
  my $fullname = &get_name($env{'user.name'},$env{'user.domain'});  
  $student_names=join(':',$env{'user.name'},$env{'user.domain'},  
     $env{'request.course.sec'},$fullname).      $env{'request.course.sec'},$fullname).
  '_ENDPERSON_'.'_END_';   '_ENDPERSON_'.'_END_';
     }  
  }   }
        }
   
  # logic for now is too complex to trace if this has been defined       # logic for now is too complex to trace if this has been defined
  #  yet.       #  yet.
  my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};       my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};       my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,       &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
  'cgi.'.$identifier.'.layout'  => $laystyle,   'cgi.'.$identifier.'.layout'  => $laystyle,
  'cgi.'.$identifier.'.numcol'  => $numberofcolumns,   'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
  'cgi.'.$identifier.'.paper'  => $papersize,   'cgi.'.$identifier.'.paper'  => $papersize,
Line 2185  $end_page); Line 2174  $end_page);
  'cgi.'.$identifier.'.numberoffiles' => $#print_array,   'cgi.'.$identifier.'.numberoffiles' => $#print_array,
  'cgi.'.$identifier.'.studentnames' => $student_names,   'cgi.'.$identifier.'.studentnames' => $student_names,
  'cgi.'.$identifier.'.backref' => $URLback,});   'cgi.'.$identifier.'.backref' => $URLback,});
  &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},      &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
  "cgi.$identifier.domain"  => $env{'user.domain'},   "cgi.$identifier.domain"  => $env{'user.domain'},
  "cgi.$identifier.courseid" => $cnum,    "cgi.$identifier.courseid" => $cnum, 
  "cgi.$identifier.coursedom" => $cdom,    "cgi.$identifier.coursedom" => $cdom, 
  "cgi.$identifier.resources" => $resources_printed});   "cgi.$identifier.resources" => $resources_printed});
   
  my $end_page = &Apache::loncommon::end_page();      my $end_page = &Apache::loncommon::end_page();
       # If there's been an unrecoverable SSI error, report it to the user
       if ($ssi_error) {
           my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
           my $end_page = &Apache::loncommon::end_page();
           $r->print('<br /><h2>'.&mt('An unrecoverable network error occurred:').'</h2><p>  '.
                     &mt('One of the resources ([_1]) you chose to print could not be rendered due to an unrecoverable error when communicating with a server:',
                     $ssi_last_error_resource).' <br />'.$ssi_last_error.
                     '</p><p>'.&mt('Make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
                     &mt('You may be able to reprint the individual resources for which this error occured, as the issue may be temporary.').
                     '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                     &mt('We apologize for the inconvenience.').'</p>'.
                     '<a href="/cgi-bin/printout.pl?$identifier">Continue</a>'.$end_page);
       } else {
  $r->print(<<FINALEND);   $r->print(<<FINALEND);
 <br />  <br />
 <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />  <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
Line 2271  sub print_resources { Line 2273  sub print_resources {
   
     &Apache::lonxml::remember_problem_counter();          &Apache::lonxml::remember_problem_counter();    
   
     my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);      my $rendered = &Apache::loncommon::get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
   
     if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||      if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
        ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {         ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
Removed from v.1.522  
changed lines
  Added in v.1.525

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