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Diff for /loncom/homework/lonhomework.pm between versions 1.157 and 1.165

version 1.157, 2003/11/08 10:44:58 version 1.165, 2004/02/16 17:20:39
Line 24 Line 24
 # /home/httpd/html/adm/gpl.txt  # /home/httpd/html/adm/gpl.txt
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  
 # Guy Albertelli  
 # 11/30 Gerd Kortemeyer  
 # 6/1,8/17,8/18 Gerd Kortemeyer  
 # 7/18 Jeremy Bowers  
   
 package Apache::lonhomework;  package Apache::lonhomework;
 use strict;  use strict;
Line 174  sub check_ip_acc { Line 170  sub check_ip_acc {
  use Socket;   use Socket;
  my $netaddr=inet_aton($ip);   my $netaddr=inet_aton($ip);
  ($name)=gethostbyaddr($netaddr,AF_INET);   ($name)=gethostbyaddr($netaddr,AF_INET);
  }      }
     if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }      if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
  } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {   } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
     #127.0.0.1      #127.0.0.1
Line 205  sub check_access { Line 201  sub check_access {
     my $passed;      my $passed;
   
     if ($ENV{'request.state'} eq "construct") {      if ($ENV{'request.state'} eq "construct") {
    if (defined($ENV{'form.problemstatus'})) {
       if ($ENV{'form.problemstate'} =~ /^CANNOT_ANSWER/) {
    return ('CANNOT_ANSWER','is in this state by royal decree.');
       } else {
    return ($ENV{'form.problemstate'},
    'is in this state by royal decree.');
       }
    }
  &Apache::lonxml::debug("in construction ignoring dates");   &Apache::lonxml::debug("in construction ignoring dates");
  $status='CAN_ANSWER';   $status='CAN_ANSWER';
  $datemsg=&mt('is in under construction');   $datemsg=&mt('is in under construction');
  return ($status,$datemsg);  # return ($status,$datemsg);
     }      }
   
     &Apache::lonxml::debug("checking for part :$id:");      &Apache::lonxml::debug("checking for part :$id:");
     &Apache::lonxml::debug("time:".time);      &Apache::lonxml::debug("time:".time);
       
     my $allowed=&check_ip_acc(&Apache::lonnet::EXT("resource.$id.acc"));  
     if (!$allowed) {  
  $status='INVALID_ACCESS';  
  $date=&mt("can not be accessed from your location.");  
  return($status,$date);  
     }  
   
     foreach $temp ("opendate","duedate","answerdate") {      if ($ENV{'request.state'} ne "construct") {
  $lastdate = $date;   my $allowed=&check_ip_acc(&Apache::lonnet::EXT("resource.$id.acc"));
  $date = &Apache::lonnet::EXT("resource.$id.$temp");   if (!$allowed && ($Apache::lonhomework::browse ne 'F')) {
  my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type");      $status='INVALID_ACCESS';
  if ($thistype =~ /^(con_lost|no_such_host)/ ||      $date=&mt("can not be accessed from your location.");
     $date     =~ /^(con_lost|no_such_host)/) {  
     $status='UNAVAILABLE';  
     $date=&mt("may open later.");  
     return($status,$date);      return($status,$date);
  }   }
  if ($thistype eq 'date_interval') {  
     if ($temp eq 'opendate') {   foreach $temp ("opendate","duedate","answerdate") {
  $date=&Apache::lonnet::EXT("resource.$id.duedate")-$date;      $lastdate = $date;
     }      $date = &Apache::lonnet::EXT("resource.$id.$temp");
     if ($temp eq 'answerdate') {      my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type");
  $date=&Apache::lonnet::EXT("resource.$id.duedate")+$date;      if ($thistype =~ /^(con_lost|no_such_host)/ ||
    $date     =~ /^(con_lost|no_such_host)/) {
    $status='UNAVAILABLE';
    $date=&mt("may open later.");
    return($status,$date);
       }
       if ($thistype eq 'date_interval') {
    if ($temp eq 'opendate') {
       $date=&Apache::lonnet::EXT("resource.$id.duedate")-$date;
    }
    if ($temp eq 'answerdate') {
       $date=&Apache::lonnet::EXT("resource.$id.duedate")+$date;
    }
     }      }
       &Apache::lonxml::debug("found :$date: for :$temp:");
       if ($date eq '') {
    $date = &mt("an unknown date"); $passed = 0;
       } elsif ($date eq 'con_lost') {
    $date = &mt("an indeterminate date"); $passed = 0;
       } else {
    if (time < $date) { $passed = 0; } else { $passed = 1; }
    $date = localtime $date;
       }
       if (!$passed) { $type=$temp; last; }
  }   }
  &Apache::lonxml::debug("found :$date: for :$temp:");   &Apache::lonxml::debug("have :$type:$passed:");
  if ($date eq '') {   if ($passed) {
     $date = &mt("an unknown date"); $passed = 0;      $status='SHOW_ANSWER';
  } elsif ($date eq 'con_lost') {      $datemsg=$date;
     $date = &mt("an indeterminate date"); $passed = 0;   } elsif ($type eq 'opendate') {
  } else {      $status='CLOSED';
     if (time < $date) { $passed = 0; } else { $passed = 1; }      $datemsg = &mt("will open on")." $date";
     $date = localtime $date;   } elsif ($type eq 'duedate') {
       $status='CAN_ANSWER';
       $datemsg = &mt("is due at")." $date";
    } elsif ($type eq 'answerdate') {
       $status='CLOSED';
       $datemsg = &mt("was due on")." $lastdate".&mt(", and answers will be available on")." $date";
  }   }
  if (!$passed) { $type=$temp; last; }  
     }  
     &Apache::lonxml::debug("have :$type:$passed:");  
     if ($passed) {  
  $status='SHOW_ANSWER';  
  $datemsg=$date;  
     } elsif ($type eq 'opendate') {  
  $status='CLOSED';  
  $datemsg = &mt("will open on")." $date";  
     } elsif ($type eq 'duedate') {  
  $status='CAN_ANSWER';  
  $datemsg = &mt("is due at")." $date";  
     } elsif ($type eq 'answerdate') {  
  $status='CLOSED';  
  $datemsg = &mt("was due on")." $lastdate".&mt(", and answers will be available on")." $date";  
     }      }
     if ($status eq 'CAN_ANSWER') {      if ($status eq 'CAN_ANSWER') {
  #check #tries, and if correct.   #check #tries, and if correct.
  my $tries = $Apache::lonhomework::history{"resource.$id.tries"};   my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
  my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");   my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
  if ( $tries eq '' ) { $tries = '0'; }   if ( $tries eq '' ) { $tries = '0'; }
  if ( $maxtries eq '' ) { $maxtries = '2'; }    if ( $maxtries eq '' && 
  if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }       $ENV{'request.state'} ne 'construct') { $maxtries = '2'; } 
    if ($maxtries && $tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }
  # if (correct and show prob status) or excused then CANNOT_ANSWER   # if (correct and show prob status) or excused then CANNOT_ANSWER
  if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/   if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/
     &&      &&
Line 494  sub analyze { Line 501  sub analyze {
     }      }
     $request->print('</table>');      $request->print('</table>');
  } else {   } else {
     $request->print('<p>'.&mt('Part').' '.$part.' '.      $request->print('<p>'.&mt('Response').' '.$part.' '.
     &mt('is not analyzable at this time').'</p>');      &mt('is not analyzable at this time').'</p>');
  }   }
     }      }
     if (scalar(keys(%allparts)) == 0 ) {      if (scalar(keys(%allparts)) == 0 ) {
  $request->print('<p>'.&mt('Found no analyzable parts in this problem, currently only Numerical, Formula and String response styles are supported.').'</p>');   $request->print('<p>'.&mt('Found no analyzable respones in this problem, currently only Numerical, Formula and String response styles are supported.').'</p>');
     }      }
     &Apache::lonhtmlcommon::Close_PrgWin($request,\%prog_state);      &Apache::lonhtmlcommon::Close_PrgWin($request,\%prog_state);
     &analyze_footer($request);      &analyze_footer($request);
Line 528  sub editxmlmode { Line 535  sub editxmlmode {
  &renderpage($request,$file);   &renderpage($request,$file);
     } else {      } else {
  my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);   my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
  my $xml_help = Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index",   my $xml_help = '<table><tr><td>'.
       "Problem Editing Help");      &Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index",
       "Problem Editing Help").
       '</td><td>'.
          &Apache::loncommon::help_open_faq(5).
          &Apache::loncommon::help_open_bug('Authoring').'</td></tr></table>';
  if ($cols > 80) { $cols = 80; }   if ($cols > 80) { $cols = 80; }
  if ($cols < 70) { $cols = 70; }   if ($cols < 70) { $cols = 70; }
  if ($rows < 20) { $rows = 20; }   if ($rows < 20) { $rows = 20; }
Line 557  sub renderpage { Line 568  sub renderpage {
     my ($request,$file) = @_;      my ($request,$file) = @_;
   
     my (@targets) = &get_target();      my (@targets) = &get_target();
       &Apache::lonhomework::showhashsubset(\%ENV,'form.');
     &Apache::lonxml::debug("Running targets ".join(':',@targets));      &Apache::lonxml::debug("Running targets ".join(':',@targets));
     foreach my $target (@targets) {      foreach my $target (@targets) {
  #my $t0 = [&gettimeofday()];   #my $t0 = [&gettimeofday()];
Line 652  sub newproblem { Line 664  sub newproblem {
     $errormsg='<p><font color="red">'.&mt('You did not select a template.').'</font></p>'."\n";      $errormsg='<p><font color="red">'.&mt('You did not select a template.').'</font></p>'."\n";
  }   }
  my $instructions;   my $instructions;
    my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
  if ($templatelist) { $instructions=&mt(", select a template from the pull-down menu below.").'<br />'.&mt("Then");}   if ($templatelist) { $instructions=&mt(", select a template from the pull-down menu below.").'<br />'.&mt("Then");}
  my %lt=&Apache::lonlocal::texthash( 'create' => 'Creating a new',   my %lt=&Apache::lonlocal::texthash( 'create' => 'Creating a new',
   'resource' => 'resource',    'resource' => 'resource',
Line 662  sub newproblem { Line 675  sub newproblem {
   'Create' => 'Create',    'Create' => 'Create',
   'button' => 'button');    'button' => 'button');
  $request->print(<<ENDNEWPROBLEM);   $request->print(<<ENDNEWPROBLEM);
 <body bgcolor="#FFFFFF">  $bodytag
 <h1>$lt{'create'} $extension $lt{'resource'}</h1>  <h1>$lt{'create'} $extension $lt{'resource'}</h1>
 $errormsg  $errormsg
 $lt{'requested'} <tt>$shownurl</tt> $lt{'not exist'}.  $lt{'requested'} <tt>$shownurl</tt> $lt{'not exist'}.
Line 704  sub handler { Line 717  sub handler {
     my $request=$_[0];      my $request=$_[0];
           
     $Apache::lonxml::debug=$ENV{'user.debug'};      $Apache::lonxml::debug=$ENV{'user.debug'};
   
     if (&setupheader($request)) { return OK; }      if (&setupheader($request)) { return OK; }
     $ENV{'request.uri'}=$request->uri;      $ENV{'request.uri'}=$request->uri;
   
Removed from v.1.157  
changed lines
  Added in v.1.165

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