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Diff for /loncom/homework/lonhomework.pm between versions 1.45 and 1.59

version 1.45, 2001/06/05 16:32:18 version 1.59, 2001/08/29 10:18:10
Line 1 Line 1
 # The LON-CAPA Homework handler  # The LON-CAPA Homework handler
 # Guy Albertelli  # Guy Albertelli
 # 11/30 Gerd Kortemeyer  # 11/30 Gerd Kortemeyer
 # 6/1 Gerd Kortemeyer  # 6/1,8/17,8/18 Gerd Kortemeyer
   
 package Apache::lonhomework;  package Apache::lonhomework;
 use strict;  use strict;
Line 10  use Apache::lonxml; Line 10  use Apache::lonxml;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::inputtags;  use Apache::inputtags;
 use Apache::structuretags;  use Apache::structuretags;
   use Apache::randomlabel;
 use Apache::response;  use Apache::response;
 use Apache::hint;  use Apache::hint;
 use Apache::outputtags;  use Apache::outputtags;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   #use Time::HiRes qw( gettimeofday tv_interval );
   
 sub BEGIN {  sub BEGIN {
   &Apache::lonxml::register_insert();    &Apache::lonxml::register_insert();
Line 84  sub send_footer { Line 85  sub send_footer {
 }  }
   
 $Apache::lonxml::browse='';  $Apache::lonxml::browse='';
 sub check_date {  
   sub check_access {
   my ($id) = @_;    my ($id) = @_;
   my $date ='';    my $date ='';
   my $status = '';    my $status = '';
Line 130  sub check_date { Line 132  sub check_date {
     if ( $maxtries eq '' ) { $maxtries = '2'; }       if ( $maxtries eq '' ) { $maxtries = '2'; } 
     if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; }       if ($tries >= $maxtries) { $status = 'CANNOT_ANSWER'; } 
   }    }
   
     if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') &&
         (!$Apache::lonhomework::history{"resource.0.outtoken"})) {
         return ('UNCHECKEDOUT','needs to be checked out');
     }
   
   
   &Apache::lonxml::debug("sending back :$status:$datemsg:");    &Apache::lonxml::debug("sending back :$status:$datemsg:");
   if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) {    if (($Apache::lonhomework::browse eq 'F') && ($status eq 'CLOSED')) {
     &Apache::lonxml::debug("should be allowed to browse a resource when closed");      &Apache::lonxml::debug("should be allowed to browse a resource when closed");
Line 172  sub setupheader { Line 181  sub setupheader {
   return ''    return ''
 }  }
   
   sub handle_save_or_undo {
     my ($request,$problem,$result) = @_;
     my $fileout = &Apache::lonnet::filelocation("",$request->uri);
     my $filesave=$fileout.".bak";
   
     if ($ENV{'form.Undo'} eq 'undo') {
       if (copy($filesave,$fileout)) {
         $request->print("<b>Undid changes, Copied $filesave to $fileout<br /></b>");
       } else {
         $request->print("<font color=\"red\" size=\"+1\"><b>Unable to undo, unable to copy $filesave to $fileout<br /></b></font>");
       }
     } else {
       my $fs=Apache::File->new(">$filesave");
       if (defined($fs)) {
         print $fs $$problem;
         $request->print("<b>Making Backup to $filesave</b><br />");
       } else {
         $request->print("<font color=\"red\" size=\"+1\"><b>Unable to make backup $filesave</b></font>");
       }
       my $fh=Apache::File->new(">$fileout");
       if (defined($fh)) {
         print $fh $$result;
         $request->print("<b>Saving Modifications to $fileout</b><br />");
       } else {
         $request->print("<font color=\"red\" size=\"+1\"><b>Unable to write to $fileout</b></font>");
       }
     }
   }
   
 sub renderpage {  sub renderpage {
   my ($request,$file) = @_;    my ($request,$file) = @_;
   
   my (@targets) = &get_target();    my (@targets) = &get_target();
   foreach my $target (@targets) {    foreach my $target (@targets) {
       #my $t0 = [&gettimeofday()];
     my $problem=&Apache::lonnet::getfile($file);      my $problem=&Apache::lonnet::getfile($file);
     if ($problem == -1) {      if ($problem == -1) {
       &Apache::lonxml::error("<b> Unable to find <i>$file</i></b>");        &Apache::lonxml::error("<b> Unable to find <i>$file</i></b>");
Line 186  sub renderpage { Line 225  sub renderpage {
     my %mystyle;      my %mystyle;
     my $result = '';      my $result = '';
     &Apache::inputtags::initialize_inputtags;      &Apache::inputtags::initialize_inputtags;
     %Apache::lonhomework::results=();      &Apache::edit::initialize_edit;
     %Apache::lonhomework::history=&Apache::lonnet::restore();  
     #ignore error conditions  
     my ($temp)=keys %Apache::lonhomework::history ;  
     if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }   
     if ($target eq 'web') {      if ($target eq 'web') {
       if (&Apache::lonnet::symbread() eq '') {        if (&Apache::lonnet::symbread() eq '') {
  if ($ENV{'request.state'} eq "construct") {   if ($ENV{'request.state'} eq "construct") {
Line 213  sub renderpage { Line 248  sub renderpage {
   
     #$request->print("Result follows:");      #$request->print("Result follows:");
     if ($target eq 'modified') {      if ($target eq 'modified') {
       my $fileout = &Apache::lonnet::filelocation("",$request->uri);        &handle_save_or_undo($request,\$problem,\$result);
       my $filesave=$fileout.".bak";  
   
       my $fs=Apache::File->new(">$filesave");  
       print $fs $problem;  
       $request->print("<b>Making Backup to $filesave</b><br />");  
   
       my $fh=Apache::File->new(">$fileout");  
       print $fh $result;  
       $request->print("<b>Saving Modifications to $fileout</b><br />");  
     } else {      } else {
         #my $td=&tv_interval($t0);
         #if ( $Apache::lonxml::debug) {
    #$result =~ s:</body>::;
    #$result.="<br />Spent $td seconds processing target $target\n</body>";
         #}
       $request->print($result);        $request->print($result);
     }      }
     #$request->print(":Result ends");      #$request->print(":Result ends");
     if ($target eq 'grade') { &showhash(%Apache::lonhomework::results); }      #my $td=&tv_interval($t0);
   
     #store new values  
     my ($temp) = keys %Apache::lonhomework::results;  
     if ( $temp ne '' ) {  
       &Apache::lonxml::debug("Store return message:".  
      &Apache::lonnet::cstore(\%Apache::lonhomework::results));  
     }  
   }    }
 }  }
   
 # with no arg it returns a HTML <option> list of the template titles  # with no arg it returns a HTML <option> list of the template titles
 # with one arg it returns the filename associated with the arg passed  # with one arg it returns the filename associated with the arg passed
 sub get_template_list {  sub get_template_list {
   my ($namewanted) = @_;    my ($namewanted,$extension) = @_;
   my $result;    my $result;
   foreach my $file (</home/httpd/html/res/adm/includes/templates/*.problem>) {    &Apache::lonxml::debug("Looking for :$extension:");
     foreach my $file (</home/httpd/html/res/adm/includes/templates/*.$extension>) {
     my $name=&Apache::lonnet::metadata($file,'title');      my $name=&Apache::lonnet::metadata($file,'title');
     if ($namewanted && ($name eq $namewanted)) {      if ($namewanted && ($name eq $namewanted)) {
       $result=$file;        $result=$file;
Line 258  sub get_template_list { Line 283  sub get_template_list {
 sub newproblem {  sub newproblem {
   my ($request) = @_;    my ($request) = @_;
   
     my $extension=$request->uri;
     $extension=~s:^.*\.([\w]+)$:$1:;
     &Apache::lonxml::debug("Looking for :$extension:");
   if ($ENV{'form.template'}) {    if ($ENV{'form.template'}) {
     use File::Copy;      use File::Copy;
     my $file = &get_template_list($ENV{'form.template'});      my $file = &get_template_list($ENV{'form.template'},$extension);
     my $dest = &Apache::lonnet::filelocation("",$request->uri);      my $dest = &Apache::lonnet::filelocation("",$request->uri);
     copy($file,$dest);      copy($file,$dest);
     &renderpage($request,$file);      &renderpage($request,$file);
   } else {    } else {
     my $templatelist=&get_template_list();      my $templatelist=&get_template_list('',$extension);
     my $url=$request->uri;      my $url=$request->uri;
       my $dest = &Apache::lonnet::filelocation("",$request->uri);
     $request->print(<<ENDNEWPROBLEM);      $request->print(<<ENDNEWPROBLEM);
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF">
 The request file $url doesn\'t exist. You can create a new problem <br />  The request file $url doesn\'t exist. You can create a new $extension <br />
 <form action="$url" method="POST">  <form action="$url" method="POST">
 <input type="submit" value="New Problem"><br />  <input type="submit" value="New $extension"><br />
 <select name="template">  <select name="template">
 $templatelist  $templatelist
 </select>  </select>
Line 297  EDITMENU Line 326  EDITMENU
 }  }
   
 sub handler {  sub handler {
     #my $t0 = [&gettimeofday()];
   my $request=$_[0];    my $request=$_[0];
   
   #if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;}    if ( $ENV{'user.name'} eq 'albertel' ) {$Apache::lonxml::debug=1;}
   
   if (&setupheader($request)) { return OK; }    if (&setupheader($request)) { return OK; }
   $ENV{'request.uri'}=$request->uri;    $ENV{'request.uri'}=$request->uri;
Line 337  sub handler { Line 367  sub handler {
     # just render the page normally outside of construction space      # just render the page normally outside of construction space
     &renderpage($request,$file);      &renderpage($request,$file);
   }    }
     #my $td=&tv_interval($t0);
   &Apache::lonhomework::send_footer($request);    #&Apache::lonxml::debug("Spent $td seconds processing");
     # &Apache::lonhomework::send_footer($request);
   # always turn off debug messages    # always turn off debug messages
   $Apache::lonxml::debug=0;    $Apache::lonxml::debug=0;
   return OK;    return OK;
Removed from v.1.45  
changed lines
  Added in v.1.59

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