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Diff for /loncom/interface/printout.pl between versions 1.71 and 1.79

version 1.71, 2004/12/20 21:15:20 version 1.79, 2005/05/03 21:15:28
Line 27 Line 27
 #  #
   
 use lib '/home/httpd/lib/perl';  use lib '/home/httpd/lib/perl';
 use LONCAPA::loncgi();  use LONCAPA::loncgi;
 use File::Path;  use File::Path;
 use IO::File;  use IO::File;
 use Image::Magick;  use Image::Magick;
Line 35  use Apache::lonhtmlcommon; Line 35  use Apache::lonhtmlcommon;
 use Apache::lonnet();  use Apache::lonnet();
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonmsg;
   use LONCAPA::Enrollment;
   
 use strict;  use strict;
   
   #  Get the list of course coordinators authorized on this course:
   #Parameters:
   #    id   - Course id.
   #    dom  - Domain of course.
   #Returns:
   #   A (possibly empty) list of course coordinators.  Each course coordinator
   #   is given as user:domain
   #
   sub get_cc_list {
       my ($id, $dom) = @_;
       my @personel = &Apache::lonnet::getkeys('nohist_userroles', $dom, $id);
       my @coordinators;
       foreach my $person (@personel) {
    my @info = split(/:/, $person);
    my $role = $info[0];
    my $user = $info[1];
    my $udom = $info[2];
    if ($role eq 'cc') {
       my $isactive = &LONCAPA::Enrollment::check_user_status($udom, $user, $dom, $id, 'cc');
       if ($isactive eq 'ok') {
    push @coordinators, $user.':'.$udom;
       }
    }
       }
       return (@coordinators);
   }
   #
   #   Determine if a user is operating as a student for this course/domain.
   #
   #
   #Parameters:
   #   course  - The course id.
   #   cdom    - The course domain.
   #
   #Implicit:
   #    $env{request.role} contains the role under which this user operated this
   #                       this request.
   sub is_student {
       my ($course, $cdom) = @_;
       my $active_role = $env{'request.role'};
       my @role_fields = split(/\//, $active_role); 
   
   
       if ( ($role_fields[0] eq 'st.') && ($role_fields[1] eq $cdom) &&
    ($role_fields[2] eq $course)) {
    return 1;
       } else {
    return 0;
       }
   
   
   }
   
   #
   #   Debugging:  Dump the environment for debugging.
   #
   sub dumpenv  {
       print "<p>-------------------</p>";
       foreach my $key (sort (keys %env)) {
    print "<br />$key -> $env{$key}";
       }
       print "<p>-------------------</p>";
   }
   
   #
   #   This sub sends a message to the appropriate person if there was an error
   #   rendering the latex  At present, there's only one case to consider:
   #   a student printing inside a course results in messages to the course coordinator.
   #Parmaeters:
   #    identifier -  The unique identifier of this cgi request.
   #    logfile    -  The contents of the log file (included in the message).
   #    texfile    -  reference to an array containing the LaTeX input file
   #                  (included in the message).
   #Implicit inputs:
   #   From the environment:
   #       cgi.$identifier.user     - User doing the printing.
   #       cgi.$identifier.domain   - Domain the user is logged in on with printing.
   #       cgi.$identifier.courseid - Id of the course (if this is a course).
   #       cgi.$identifier.coursedom- Domain in which course was constituted.
   #       cgi.$identifier.resources - List of resource URL's for which the print
   #                                  was attempted.
   # 
   sub send_error_mail {
       my ($identifier,$logfile, $texfile) = @_;
       my $user     = $env{"cgi.$identifier.user"};
       my $domain   = $env{"cgi.$identifier.domain"};
       my $courseid = $env{"cgi.$identifier.courseid"};
       my $coursedom= $env{"cgi.$identifier.coursedom"};
       my $resources= $env{"cgi.$identifier.resources"};
   
      # &dumpenv();
   
   
   
       #  Only continue if there is a user, domain, courseid, course domain
       #  and resources:
   
       if(defined($user)       && defined($domain) && defined($courseid) &&
          defined($coursedom)  && defined($resources) ){
      
    my @cclist = &get_cc_list($courseid, $coursedom);
   
    #  Only mail if the conditions are ripe for it:
    #  The user is a student in the course:
    #
   
    if (&is_student( $courseid, $coursedom)) {
       # build the subject and message body:
       print "sending message to course coordinators.<br />";
       
       my $subject  = "Print failed for $user".'@'.$domain;
       my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n";
       $message    .= "  User was attempting to print: \n";
       $message    .= "       $resources\n";
       $message    .= "--------------------LaTeX logfile:------------ \n";
       $message    .= $logfile;
       $message    .= "-----------------LaTeX source file: ------------\n";
       
       foreach my $line (@$texfile) {
    $message .= "$line\n";
       }
       foreach my $dest (@cclist) {
    my @destinfo = split(/:/,$dest);
    my $user = $destinfo[0];
    my $dom  = $destinfo[1];
   
    &Apache::lonmsg::user_normal_msg($user, $dom,
    $subject, $message);
   
    # No point in looking at the return status as there's no good
    # error action I can think of right now (log maybe?).
       }
    }
       }
   }
   
 $|=1;  $|=1;
 my %origENV=%ENV;  
 if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {  if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
     print <<END;      print <<END;
 Content-type: text/html  Content-type: text/html
Line 58  END Line 196  END
  print $bodytag;   print $bodytag;
   
   my $identifier = $ENV{'QUERY_STRING'};    my $identifier = $ENV{'QUERY_STRING'};
   my $texfile = $ENV{'cgi.'.$identifier.'.file'};    my $texfile = $env{'cgi.'.$identifier.'.file'};
   my $laystyle = $ENV{'cgi.'.$identifier.'.layout'};    my $laystyle = $env{'cgi.'.$identifier.'.layout'};
   my $numberofcolumns = $ENV{'cgi.'.$identifier.'.numcol'};    my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'};
   my $paper = $ENV{'cgi.'.$identifier.'.paper'};    my $paper = $env{'cgi.'.$identifier.'.paper'};
   my $selectionmade = $ENV{'cgi.'.$identifier.'.selection'};    my $selectionmade = $env{'cgi.'.$identifier.'.selection'};
   my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'};    my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'};
   my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'};    my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'};
   my $advans_role = $ENV{'cgi.'.$identifier.'role'};    my $advanced_role = $env{'cgi.'.$identifier.'.role'};
   my $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1;    my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1;
   my $student_names = $ENV{'cgi.'.$identifier.'studentnames'};    my $student_names = $env{'cgi.'.$identifier.'.studentnames'};
   my $backref = &Apache::lonnet::unescape($ENV{'cgi.'.$identifier.'backref'});    my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'});
   
   
   my $adv = $ENV{'request.role.adv'};    my $adv = $env{'request.role.adv'};
       
   my @names_pack=();    my @names_pack=();
   if ($student_names=~/_END_/) {      if ($student_names=~/_END_/) {  
       @names_pack=split(/_ENDPERSON_/,$student_names);        @names_pack=split(/_ENDPERSON_/,$student_names);
   }    }
   #got what we needed reset ENV in case it is to big for system  
   %ENV=%origENV;  
   
   my $figfile = $texfile;    my $figfile = $texfile;
   $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;    $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
   my $duefile = $texfile;    my $duefile = $texfile;
   $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;    $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
   #do we have figures?    #do we have figures?
     # print "Figure file: $figfile\n";
   if (-e $figfile) {    if (-e $figfile) {
         # print "$figfile exists\n";
       my %done_conversion;        my %done_conversion;
       my $temporary_file=IO::File->new($figfile) || die "Couldn't open fig file $figfile for reading: $!\n";        my $temporary_file=IO::File->new($figfile) || die "Couldn't open fig file $figfile for reading: $!\n";
       my @content_of_file = <$temporary_file>;        my @content_of_file = <$temporary_file>;
Line 96  END Line 234  END
       foreach my $not_eps (@content_of_file) {        foreach my $not_eps (@content_of_file) {
   chomp($not_eps);    chomp($not_eps);
   if ($not_eps ne '') {    if ($not_eps ne '') {
         # print "Converting $not_eps"; # Debugging.
               my $status_statement='EPS picture for '.$not_eps;                my $status_statement='EPS picture for '.$not_eps;
         # print "$status_statement\n";
       $not_eps=~s|\/\.\/|\/|g;        $not_eps=~s|\/\.\/|\/|g;
       my $eps_f = $not_eps;        my $eps_f = $not_eps;
       $eps_f =~ s/\.[^.]*$/\.eps/i;        $eps_f =~ s/\.[^.]*$/\.eps/i;
Line 110  END Line 250  END
   $eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/;    $eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/;
   $eps_f = '/home/httpd/prtspool/'.$1.'/'.$2;    $eps_f = '/home/httpd/prtspool/'.$1.'/'.$2;
       }        }
         $eps_f  =~ s/ /\_/g; # Spaces are problematic for system commands and LaTeX.
       my $path=$eps_f;        my $path=$eps_f;
       $path=~s/\/([^\/]+)\.eps$//;        $path =~ s/\/([^\/]+)\.eps$//;
         # print "Final file path: $path "; # Debugging
       File::Path::mkpath($path,0,0777);        File::Path::mkpath($path,0,0777);
       my $image = Image::Magick->new;  
       $not_eps =~ s/^\s+//;        $not_eps =~ s/^\s+//;
       $not_eps =~ s/\s+$//;        $not_eps =~ s/\s+$//;
       if ( exists($done_conversion{$not_eps})) {        $not_eps =~ s/ /\\ /g;
   next;        if ( exists($done_conversion{$not_eps})) { next; }
       }  
       if ($adv) {        if ($adv) {
   my $prettyname=$not_eps;    my $prettyname=$not_eps;
   $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;    $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;
   $prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|;    $prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|;
   &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname); }    &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname);
         }
       $done_conversion{$not_eps}=1;        $done_conversion{$not_eps}=1;
       my $status = $image->Read($not_eps);        # print "Converting $not_eps -> $eps_f"; # Debugging
       if ($status) {print "  $status  ";}        system("convert $not_eps $eps_f");
       $image->Set(page => '+100+200');   
       $status = $image->Write($eps_f);      
       if ($status) {print "  $status  ";}  
               #check is eps exist in prtspool                #check is eps exist in prtspool
               if(not -e $eps_f) {                if(not -e $eps_f) {
   for (my $i=0;$i<10000;$i++) {    for (my $i=0;$i<10000;$i++) {
Line 141  END Line 279  END
       }          }  
   }    }
       }        }
       if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }        if ($adv) { 
     &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); 
         }
       unlink($figfile);        unlink($figfile);
   }    }
   #print "$texfile\n"; #name of the tex file for debugging only       #print "$texfile\n"; #name of the tex file for debugging only   
Line 241  foreach $texfile (@texfile) { Line 381  foreach $texfile (@texfile) {
       }          }  
   }    }
   print "</pre>\n";    print "</pre>\n";
           if ($advans_role) {              if ($advanced_role) {  
         print "<p> Advanced role </p>";
               print "<b><big>The link to ";                print "<b><big>The link to ";
               $logfilename=~s/\/home\/httpd//;                $logfilename=~s/\/home\/httpd//;
       print "<a href=\"$logfilename\">Your log file </a></big></b>";        print "<a href=\"$logfilename\">Your log file </a></big></b>";
Line 259  foreach $texfile (@texfile) { Line 400  foreach $texfile (@texfile) {
       $texfile=~s/\/home\/httpd//;        $texfile=~s/\/home\/httpd//;
       print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";        print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
       print "\n";        print "\n";
     } else { # Student role...
         #  at this point:
         #    $body_log_file - contains the log file.
                 #    $name_file     - is the name of the LaTeX file.
                 #    $identifier    - is the unique LaTeX identifier.l
   
         my $tex_handle = IO::File->new($name_file);
         my @tex_contents = <$tex_handle>;
         &send_error_mail($identifier, $body_log_file, \@tex_contents);
   }    }
   
       } elsif ($body_log_file=~m/<inserted text>/) {        } elsif ($body_log_file=~m/<inserted text>/) {
Line 320  foreach $texfile (@texfile) { Line 470  foreach $texfile (@texfile) {
 #  unlink @garb;  #  unlink @garb;
       unlink $duefile;        unlink $duefile;
       print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>";        print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>";
       if ($advans_role) {      }
   print "<br /><br />";    if ($advanced_role) {  
   print "<b><big>The link to ";        print "<br /><br />";
   $logfilename=~s/\/home\/httpd//;        print "<b><big>The link to ";
   print "<a href=\"$logfilename\">Your log file </a></big></b>";        $logfilename=~s/\/home\/httpd//;
   print "\n";        print "<a href=\"$logfilename\">Your log file </a></big></b>";
   #link tooriginal LaTeX file (included according Michael Hamlin desire)        print "\n";
   my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n";        #link tooriginal LaTeX file (included according Michael Hamlin desire)
   my @tex_content_of_file = <$tex_temporary_file>;        my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n";
   close $tex_temporary_file;         my @tex_content_of_file = <$tex_temporary_file>;
   my $body_tex_file = join(' ',@tex_content_of_file);        close $tex_temporary_file; 
   $texfile =~ s/\.tex$/aaaaa\.html/;        my $body_tex_file = join(' ',@tex_content_of_file);
   $tex_temporary_file = IO::File->new('>'.$texfile);         $texfile =~ s/\.tex$/aaaaa\.html/;
   print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";        $tex_temporary_file = IO::File->new('>'.$texfile); 
   print "<br /><br />";        print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
   print "<b><big>The link to ";        print "<br /><br />";
   $texfile=~s/\/home\/httpd//;        print "<b><big>The link to ";
   print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";        $texfile=~s/\/home\/httpd//;
   print "\n";        print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
       }        print "\n";
   }    }
       } else {        } else {
   #LaTeX successfully parsed tex file     #LaTeX successfully parsed tex file 
Removed from v.1.71  
changed lines
  Added in v.1.79

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