Diff for /loncom/interface/lonsyllabus.pm between versions 1.106 and 1.106.2.2

version 1.106, 2010/01/31 06:03:55 version 1.106.2.2, 2010/02/15 16:05:32
Line 40  use Apache::lonlocal; Line 40  use Apache::lonlocal;
 use Apache::lonhtmlcommon;  use Apache::lonhtmlcommon;
 use Apache::lonspeller();  use Apache::lonspeller();
 use HTML::Entities();  use HTML::Entities();
   use Digest::MD5 qw(md5_hex);
   use Storable qw(freeze thaw);
   
   # These are strings representing types of fields
   # that will used to parse/display a field correctly
   use constant {
    TYPE_TEXT_HTML => 'html',  #<-- default
    TYPE_TEXT_PLAIN => 'text',
    TYPE_URL_INCLUDE => 'include-url',
   };
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
Line 52  sub handler { Line 62  sub handler {
     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);      my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
 # ------------------------------------------------------------ Get query string  # ------------------------------------------------------------ Get query string
     &Apache::loncommon::get_unprocessed_cgi      &Apache::loncommon::get_unprocessed_cgi
                         ($ENV{'QUERY_STRING'},['forcestudent','register','forceedit','wrapperdisplay']);                          ($ENV{'QUERY_STRING'},['delete', 'rename', 'field', 'forcestudent','register','forceedit','forceflush','wrapperdisplay']);
 # ----------------------------------------------------- Is this even a course?  # ----------------------------------------------------- Is this even a course?
     my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);      my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
     if ($homeserver eq 'no_host') {      if ($homeserver eq 'no_host') {
Line 66  sub handler { Line 76  sub handler {
     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);      my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
   
 # ------------------------------------------------------------ Print the screen  # ------------------------------------------------------------ Print the screen
   
     if ($target eq 'tex') {      if ($target eq 'tex') {
         $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));          $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
     }      }
       
 # -------------------------------------------------- Let's see who handles this  # -------------------------------------------------- Let's see who handles this
     my $externalsyllabus=$courseenv{'externalsyllabus'};      my $externalsyllabus=$courseenv{'externalsyllabus'};
   
     if ($externalsyllabus=~/\w/) {      if ($externalsyllabus=~/\w/) {
   
        if ($env{'form.wrapperdisplay'} eq 'menu') {         if ($env{'form.wrapperdisplay'} eq 'menu') {
            $r->print(&Apache::lonwrapper::simple_menu());             $r->print(&Apache::lonwrapper::simple_menu());
        } else {         } else {
Line 84  sub handler { Line 92  sub handler {
        return OK;         return OK;
     }      }
   
 # ------------------------------ The buck stops here: internal syllabus display  # --------------------------------------------------------- The old syllabus fields
 # --------------------------------------------------------- The syllabus fields  
     my %syllabusfields=&Apache::lonlocal::texthash(      my %syllabusfields=&Apache::lonlocal::texthash(
        'aaa_instructorinfo' => 'Instructor Information',         'aaa_instructorinfo' => 'Instructor Information',
        'bbb_description'    => 'Course Description',         'bbb_description'    => 'Course Description',
Line 102  sub handler { Line 109  sub handler {
        'jjj_weblinks'       => 'Web Links',         'jjj_weblinks'       => 'Web Links',
        'kkk_textbook'       => 'Textbook',         'kkk_textbook'       => 'Textbook',
        'lll_includeurl'     => 'URLs To Include in Syllabus');         'lll_includeurl'     => 'URLs To Include in Syllabus');
          
 # --------------------------------------------------------------- Force Student  # --------------------------------------------------------------- Force Student
     my $forcestudent='';      my $forcestudent='';
     if ($env{'form.forcestudent'}) { $forcestudent='student'; };      if ($env{'form.forcestudent'}) { $forcestudent='student'; };
Line 164  ENDSCRIPT Line 172  ENDSCRIPT
         }          }
     }      }
 # ---------------------------------------------------------- Load syllabus info  # ---------------------------------------------------------- Load syllabus info
     my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);      my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);  # load db
     my $allowed=0;      my $allowed=0;  # can we edit this page?
     my $privileged=0;      my $privileged=0;
       my %data;
       if ($env{'form.forceflush'}) {
       delete $syllabus{'data.fields'};
       &Apache::lonnet::del('syllabus', ['data.fields'], $cdom, $cnum);
       delete $syllabus{'properties.v2_conflict'};
       &Apache::lonnet::del('syllabus', ['properties.v2_conflict'], $cdom, $cnum);
       delete $syllabus{'properties.v2_conflict_fail'};
       &Apache::lonnet::del('syllabus', ['properties.v2_conflict_fail'], $cdom, $cnum);
       delete $syllabus{'properties.last_modified'};
       &Apache::lonnet::del('syllabus', ['properties.last_modified'], $cdom, $cnum);
       delete $syllabus{'properties.v2_converted'};
       &Apache::lonnet::del('syllabus', ['properties.v2_converted'], $cdom, $cnum);
       delete $syllabus{'data.old_new_map'};
       &Apache::lonnet::del('syllabus', ['data.old_new_map'], $cdom, $cnum);
       delete $syllabus{'data.deleted_fields'};
       &Apache::lonnet::del('syllabus', ['data.deleted_fields'], $cdom, $cnum);
    %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);  # load db
       $r->print("Flushed syllabus DB file.<br />");
       $r->print("Syllabus conflict: ".$syllabus{'properties.v2_conflict'}."<br />");
       }
       $r->print("Existing fields: ".$syllabus{'data.fields'}."<br />");
       $r->print("Old-new map: ".$syllabus{'data.old_new_map'}."<br />");
       $r->print("Deleted fields: ".$syllabus{'data.deleted_fields'}."<br />");
       if (!exists($syllabus{'data.fields'})) {
       # convert existing 2.x data to new DB fields
       # which become new primary data source for document
    %data = %{convert_from_v2($r, \%syllabus, \%syllabusfields, 0)};
    $r->print("New fields order: ".$data{'data.fields'}."<br />");
    &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
       } elsif (  !exists($syllabus{'properties.v2_converted'}) && 
         exists($syllabus{'uploaded.lastmodified'}) &&
         exists($syllabus{'properties.last_modified'}) &&
         ($syllabus{'uploaded.lastmodified'} !=
         $syllabus{'properties.last_modified'})) {
       # if the document has been saved in 3.x and later edited in 
       # 2.x, reconvert the existing document, with extra warning
       %data = %{convert_from_v2($r, \%syllabus, \%syllabusfields, 1)};
       delete $data{'properties.v2_converted'};
       &Apache::lonnet::del('syllabus', ['properties.v2_converted'], $cdom, $cnum);
       $data{'properties.v2_conflict'} = 1;
    &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);    
       } else {
       %data = %syllabus;
      
       }
   
 # This handler might be called anonymously ...  
 # ----------------------------------------------------- Only if not public call  # ----------------------------------------------------- Only if not public call
     if ($env{'user.environment'}) {      if ($env{'user.environment'}) { # does this user have privileges to post, etc?
 # does this user have privileges to post, etc?  
         if ($env{'request.course.id'}          if ($env{'request.course.id'}
         && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}          && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'}
         && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {          && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) {
             $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});              $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
             $privileged=$allowed;              $privileged=$allowed;
             if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {              if (($data{'uploaded.lastmodified'}) && (!$forceedit)) {
                 $forcestudent='student';                  $forcestudent='student';
             }              }
             if ($forcestudent or $target eq 'tex') { $allowed=0; }              if ($forcestudent or $target eq 'tex') { $allowed=0; }
         }          }
  #store what the user typed in   #store what the user typed in
    my @fields = @{thaw($data{'data.fields'})};
    if (($allowed) && ($env{'form.delete'})) {
    my $field = $env{'form.delete'};
    chomp($field);
    #allow only numbers, underscores
    $field=~s/[^0-9_]//g;
    #check if the field exists
    #do not delete if file in v2 conversion mode
    if (exists($data{'data.field.'.$field}) &&
    !exists($data{'properties.v2_converted'})) {
    $r->print("Field '$field' can be deleted.<br />");
    # linearly parse "data.fields" and remove it
    for (my $i = 0; $i < length(@fields); $i++) {
    if ($fields[$i] eq $field) {
    splice(@fields, $i, 1);
    $r->print("Removed entry $i from 'data.fields'<br />");
    }
    }
    # if "data.deleted" does not exist, create it
    my @deleted;
    if (!exists($data{'data.deleted_fields'})) {
    @deleted = [];
    } else {
    @deleted = @{thaw($data{'data.deleted_fields'})};
    }
    # only if deleted does not exist in 'data.deleted', push it
    my $push = 1;
    for (my $i = 0; $i < length(@deleted); $i++) {
    if ($deleted[$i] eq $field) {
    $push = 0;
    last;
    }
    }
    unless (!$push) {
    push(@deleted, $field);
    }
    $data{'data.fields'} = freeze(\@fields);
    $data{'data.deleted_fields'} = freeze(\@deleted);
   
    &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
    }
    }
    if (($allowed) && ($env{'form.rename'})) {
    my $field = $env{'form.rename'};
    my $new_title = "Hello, World!";
    chomp($field);
    $field=~s/[^0-9_]//g;
    #check if the field exists
    #do not delete if file in v2 conversion mode
    if (exists($data{'data.field.'.$field}) &&
    !exists($data{'properties.v2_converted'})) {
    #sanitize HTML content
    $r->print("Rename -- field found.<br />");
    my %db_entry = %{thaw($data{'data.field.'.$field})};
    $new_title = &Apache::lonfeedback::clear_out_html($new_title, 1);
    $db_entry{title} = $new_title;
    $data{'data.field.'.$field} = freeze(\%db_entry);
    &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
    }
    }
         if (($allowed) && ($env{'form.storesyl'})) {          if (($allowed) && ($env{'form.storesyl'})) {
             foreach my $syl_field (keys(%syllabusfields)) {              foreach my $syl_field (@fields) {
                 my $field=$env{'form.'.$syl_field};                  my $field=$env{'form.'.$syl_field};
                 chomp($field);                  my $type;
                 $field=~s/\s+$//s;                  my %field_hash;
                 $field=~s/^\s+//s;                  # only update a field if it already exists!
                 $field=~s/\<br\s*\/*\>$//s;                  if (exists($data{'data.field.'.$syl_field})) {
                 $field=&Apache::lonfeedback::clear_out_html($field,1);                  $r->print("Creating/updated field ".$syl_field."<br />");
  #here it will be stored                  %field_hash = exists($data{'data.field.'.$syl_field}) ?
                 $syllabus{$syl_field}=$field;                  %{thaw($data{'data.field.'.$syl_field})} : ();
                 if ($syl_field eq 'lll_includeurl') { # clean up included URLs                  $type = exists($field_hash{type}) ? $field_hash{type} : TYPE_TEXT_HTML;
                     my $field='';   chomp($field);
                     foreach my $value (split(/\n/,$syllabus{$syl_field})) {   $field=~s/\s+$//s;
                         my $url=$value;   $field=~s/^\s+//s;
 # get rid of leading and trailing spaces   $field=~s/\<br\s*\/*\>$//s;
                         $url=~s/^\s+//;   $field=&Apache::lonfeedback::clear_out_html($field,1);
                         $url=~s/\s+$//;   $field_hash{content}=$field;
                         if ($url=~m|^https?\://([^/]+)/(.+)$|) {   if ($type eq TYPE_URL_INCLUDE) { # clean up included URLs
                             my $host = $1;   my $field='';
                             my $remainder=$2;   foreach my $value (split(/\n/,$field_hash{content})) {
 # remove the hostname from internal URLs   my $url=$value;
                             my $hostname = &Apache::lonnet::hostname($host);   # get rid of leading and trailing spaces
                             my %all_hostnames = &Apache::lonnet::all_hostnames();   $url=~s/^\s+//;
                             foreach my $possible_host (keys(%all_hostnames)) {   $url=~s/\s+$//;
                                 if ($possible_host =~ /\Q$hostname\E/i) {   if ($url=~m|^https?\://([^/]+)/(.+)$|) {
                                     $url=$remainder;   my $host = $1;
                                 }   my $remainder=$2;
                             }   # remove the hostname from internal URLs
                         }   my $hostname = &Apache::lonnet::hostname($host);
 # norm internal URLs   my %all_hostnames = &Apache::lonnet::all_hostnames();
                         unless ($url=~/^https?\:/) {   foreach my $possible_host (keys(%all_hostnames)) {
                             $url=&Apache::lonnet::clutter($url);   if ($possible_host =~ /\Q$hostname\E/i) {
                         }   $url=$remainder;
 # re-assemble field   }
                         if ($url) {   }
                             $field.=$url."\n";   }
                         }   # norm internal URLs
                     }   unless ($url=~/^https?\:/) {
                     $syllabus{$syl_field}=$field;   $url=&Apache::lonnet::clutter($url);
                 }   }
    # re-assemble field
    if ($url) {
    $field.=$url."\n";
    }
    }
                      $field_hash{content}=$field;
                      $field_hash{type}=TYPE_URL_INCLUDE;
    }
    $data{'data.field.'.$syl_field} = freeze(\%field_hash);
    } 
               }
               $data{'uploaded.domain'}=$env{'user.domain'};
               $data{'uploaded.name'}=$env{'user.name'};
               my $time = $^T;
               $data{'uploaded.lastmodified'}=$time;
               $data{'properties.last_modified'}=$time;
               delete $data{'properties.v2_converted'};
               delete $data{'properties.v2_conflict'};
               delete $data{'properties.v2_conflict_fail'};
               &Apache::lonnet::del('syllabus', ['properties.v2_converted', 
               'properties.v2_conflict', 'properties.v2_conflict_fail'], $cdom, $cnum);
              
               #2.x compatibility: write to old fields with new mapped fields
               my %old_new_map = %{thaw($data{'data.old_new_map'})};
               foreach my $old_field (keys(%old_new_map)) {
               $r->print("Looking for: ".$old_field." at ".$old_new_map{$old_field}."<br />");
               if (exists($data{'data.field.'.$old_new_map{$old_field}})) {
               $r->print("updating old field ".$old_field."<br />");
               my %new_field = %{thaw($data{'data.field.'.$old_new_map{$old_field}})};
               $data{$old_field} = $new_field{content};
               }
             }              }
             $syllabus{'uploaded.domain'}=$env{'user.domain'};                
             $syllabus{'uploaded.name'}=$env{'user.name'};              &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
             $syllabus{'uploaded.lastmodified'}=time;  
             &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);  
         }          }
     }      }
   
Line 306  ENDSCRIPT Line 446  ENDSCRIPT
                   :'')                    :'')
              .'\\\\');               .'\\\\');
     }      }
       if ($allowed && $data{'properties.v2_converted'} == 1) {
       $r->print("<em>This document was created with LON-CAPA 2.x.  Modifying it may cause it to not display correctly on older servers.</em><br/>");
    }
    if ($allowed && $data{'properties.v2_conflict'} == 1) {
    $r->print("<em>This document was saved with LON-CAPA 3.x, then further edited in LON-CAPA 2.x.</em><br/>");
    if ($data{'properties.v2_conflict_fail'} == 1) {
    $r->print("<em>Some fields in LON-CAPA 2.x no longer have an equivalent in LON-CAPA 3.x.  These fields were appended; some fields may be duplicated or not match.</em><br />");
    } else {
    $r->print("<em>These changes were automatically transferred to LON-CAPA 3.x</em>");
    }
    }
   
 #----------------------------Print Headtitle  #----------------------------Print Headtitle
     if ($target ne 'tex') {      if ($target ne 'tex') {
         $r->print('<h1>'.$courseenv{'description'}.'</h1>');          $r->print('<h1>'.$courseenv{'description'}.'</h1>');
Line 314  ENDSCRIPT Line 466  ENDSCRIPT
         $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.          $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'.
         &Apache::lonnet::domain($cdom,'description').'}\\\\');          &Apache::lonnet::domain($cdom,'description').'}\\\\');
     }      }
   
 # -------------------------------------------------------- Get course personnel  # -------------------------------------------------------- Get course personnel
     my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);      my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum);
     if ($target ne 'tex') {      if ($target ne 'tex') {
Line 376  ENDSCRIPT Line 529  ENDSCRIPT
     } else {      } else {
         $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));          $r->print(&Apache::lonxml::xmlparse($r,'tex',$day));
     }      }
       
 # ---------------------------------------------------------------- Get syllabus  # ---------------------------------------------------------------- Get syllabus
     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {      if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
         if ($allowed) {          if ($allowed) {
Line 384  ENDSCRIPT Line 538  ENDSCRIPT
         }          }
         my @htmlids=();          my @htmlids=();
  my $url_include_handler = sub {   my $url_include_handler = sub {
  my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed) = @_;   my ($r, $field, $json_ref, $group, $target, $allowed) = @_;
  my %data = %{$data_ref};   my $message = $json_ref->{items}{$field}{content};
  my %fields = %{$fields_ref};   my $title = $json_ref->{items}{$field}{title};
  my $urls=$message;   my $urls = $message;
  $message='';  
  foreach my $filelink (split(/\n/,$urls)) {   foreach my $filelink (split(/\n/,$urls)) {
  my $output='';   my $output='';
    # embed style?     # embed style?
Line 400  ENDSCRIPT Line 553  ENDSCRIPT
  $output='<img src="'.$filelink.'" />';   $output='<img src="'.$filelink.'" />';
  }   }
  if ($output ne '') {   if ($output ne '') {
      $message='';
    if ($target ne 'tex') {     if ($target ne 'tex') {
    $message.='<p>'.$output.'</p>';     $message.='<p>'.$output.'</p>';
    } else {     } else {
Line 409  ENDSCRIPT Line 563  ENDSCRIPT
  }   }
  if ($allowed) {   if ($allowed) {
  &Apache::lonfeedback::newline_to_br(\$urls);   &Apache::lonfeedback::newline_to_br(\$urls);
  &Apache::lontemplate::print_start_template($r,$fields{$field}.   &Apache::lontemplate::print_start_template($r,$title.
   &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box');    &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box');
  $r->print($urls);   $r->print($urls);
  $r->print("<br /><div>");   $r->print("<br /><div>");
  &Apache::lontemplate::print_textarea_template($r, $data{$field},   &Apache::lontemplate::print_textarea_template($r, $message,
  $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);   $field, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
  &Apache::lontemplate::print_saveall_template($r);                            &Apache::lontemplate::print_saveall_template($r);                         
  $r->print("</div>");   $r->print("</div>");
Line 423  ENDSCRIPT Line 577  ENDSCRIPT
  $r->print($message);   $r->print($message);
  }   }
  };   };
  my %custom_hash = ( 'lll_includeurl' => $url_include_handler );   my %custom_hash = ( TYPE_URL_INCLUDE() => $url_include_handler );
  @htmlids = &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields,     @htmlids = &print_template_new_fields($r, \%data, 
  $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash);    $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash);
         if ($allowed) {          if ($allowed) {
             $r->print('</form>'.              $r->print('</form>'.
             &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids));              &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids));
Line 448  ENDSCRIPT Line 602  ENDSCRIPT
     return OK;      return OK;
 }  }
   
   sub print_template_new_fields {
    my ($r, $data_ref, $target, $allowed, $default_rich_text, $custom_handlers_ref, $group) = @_;
    my @html_ids = ();
    my %data = %{$data_ref};
    my @fields = @{thaw($data{'data.fields'})};
    my %custom_handlers = %{$custom_handlers_ref};
   
    foreach my $key (@fields) {
    my %field = %{thaw($data{'data.field.'.$key})};
    my $title = $field{title};
    my $raw_message = $field{content};
    my $type = $field{type};
    my $message = $raw_message if (($raw_message=~/\w/) || ($allowed));
    if ((%custom_handlers) && exists($custom_handlers{$type})) {
    #$custom_handlers{$type}->($r, $field, $json_ref, $group, $target, $allowed);
    } else {
    if (($raw_message=~/\w/) || ($allowed)) {
    if (!&Apache::lonfeedback::contains_block_html($message)) {
    &Apache::lonfeedback::newline_to_br(\$message);
    } else {
    $message = &Apache::lonfeedback::tidy_html($message);
    }
    $message=&Apache::lonhtmlcommon::raw_href_to_link($message);
    if ($allowed) {
    $message=&Apache::lonspeller::markeduptext($message);
    }
    $message=&Apache::lontexconvert::msgtexconverted($message);
    if ($target ne 'tex') {
    #output of syllabusfields will be generated here. 
    &Apache::lontemplate::print_start_template($r,$title,'LC_Box');
    $r->print($message);
    if ($allowed) {
    $r->print("<br /><div>");
    &Apache::lontemplate::print_textarea_template($r, $raw_message,
    $key, $default_rich_text);
    &Apache::lontemplate::print_saveall_template($r);
    if (!exists($data{'properties.v2_converted'})) {
    $r->print("<a href='?delete=$key&forceedit=1'>Delete</a> ");
    $r->print("<a href='?rename=$key&forceedit=1'>Rename to \"Hello, World!\"</a>");
    }
    $r->print("</div>");
    } 
    &Apache::lontemplate::print_end_template($r);
    } else {
       my $safeinit;
                       $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$title.'</h3>'));
                       $r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
    }
    push(@html_ids,"hello");
    }
    }
    }
   
    return @html_ids;
   }
   
   sub convert_from_v2 {
    my ($r, $data_ref, $fields_ref, $conflict) = @_;
    my %data = %{$data_ref};
    my %fields = %{$fields_ref};
    my @fields_order = (!$conflict) ? () : @{thaw($data{'data.fields'})};
    my %old_new_map = (!$conflict) ? () : %{thaw($data{'data.old_new_map'})};
    my $repeat_int = 0;  #ensure fields with created timestamp are unique
    foreach my $element (sort(keys(%fields))) {
    my %new_element = ();
    my $title = $fields{$element};
    my $title_hash = time."_".$$;
    if (exists($data{'data.field.'.$title_hash})) {
    $title_hash .= "_".$repeat_int++;
    }
    my $content = $data{$element};
    $new_element{title} = $title;
    $new_element{content} = $content;
    if ($element eq 'lll_includeurl') {
    $new_element{type} = TYPE_URL_INCLUDE;
    } else {
    $new_element{type} = TYPE_TEXT_HTML;
    }
    if (!$conflict) {
    $r->print("Creating new field with ID: ".$title_hash."<br />");
    $data{'data.field.'.$title_hash} = freeze(\%new_element);
    $old_new_map{$element} = $title_hash;
    push(@fields_order, $title_hash);
    } else {
    if (exists($old_new_map{$element})) {
    $r->print("Transferring old field ".$element." to new ID: ".$old_new_map{$element}."<br />");
    if (exists($data{'data.field.'.$old_new_map{$element}})) {
    my %new_field = %{thaw($data{'data.field.'.$old_new_map{$element}})};
    $new_field{content} = $content;
    $data{'data.field.'.$old_new_map{$element}} = freeze(\%new_field);
    }
    } else {
    $data{'data.field.'.$title_hash} = freeze(\%new_element);
    $old_new_map{$element} = $title_hash;
    $data{'properties.v2_conflict_fail'} = 1;
    push(@fields_order, $title_hash);
    }
    }
    }
    $data{'data.fields'} = freeze(\@fields_order);
    $data{'data.old_new_map'} = freeze(\%old_new_map);
    $data{'properties.last_modified'} = time;
    $data{'properties.v2_converted'} = 1;
    $data{'properties.type'} = 'syllabus';
   
    return \%data;
   }
   
 1;  1;
 __END__  __END__

Removed from v.1.106  
changed lines
  Added in v.1.106.2.2


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