'
+ .&mt("You are not authorized to create new $usertypetext{$usertype} users in this domain.")
+ .' '
+ .&mt('Please contact the [_1]helpdesk[_2] for assistance.'
+ ,'','')
+ .'
+//
+
+
+$new_user_create
+
+END_BLOCK
+
+ $output .= &Apache::lonhtmlcommon::start_pick_box().
+ &Apache::lonhtmlcommon::row_title($lt{'doma'}).
+ $domform.
+ &Apache::lonhtmlcommon::row_closure().
+ &Apache::lonhtmlcommon::row_title($lt{'usr'}).
+ $srchbysel.
+ $srchtypesel.
+ ''.
+ $srchinsel.
+ &Apache::lonhtmlcommon::row_closure(1).
+ &Apache::lonhtmlcommon::end_pick_box().
+ '
';
+ return $output;
+}
+
+sub user_rule_check {
+ my ($usershash,$checks,$alerts,$rulematch,$inst_results,$curr_rules,$got_rules) = @_;
+ my $response;
+ if (ref($usershash) eq 'HASH') {
+ foreach my $user (keys(%{$usershash})) {
+ my ($uname,$udom) = split(/:/,$user);
+ next if ($udom eq '' || $uname eq '');
+ my ($id,$newuser);
+ if (ref($usershash->{$user}) eq 'HASH') {
+ $newuser = $usershash->{$user}->{'newuser'};
+ $id = $usershash->{$user}->{'id'};
+ }
+ my $inst_response;
+ if (ref($checks) eq 'HASH') {
+ if (defined($checks->{'username'})) {
+ ($inst_response,%{$inst_results->{$user}}) =
+ &Apache::lonnet::get_instuser($udom,$uname);
+ } elsif (defined($checks->{'id'})) {
+ ($inst_response,%{$inst_results->{$user}}) =
+ &Apache::lonnet::get_instuser($udom,undef,$id);
+ }
+ } else {
+ ($inst_response,%{$inst_results->{$user}}) =
+ &Apache::lonnet::get_instuser($udom,$uname);
+ return;
+ }
+ if (!$got_rules->{$udom}) {
+ my %domconfig = &Apache::lonnet::get_dom('configuration',
+ ['usercreation'],$udom);
+ if (ref($domconfig{'usercreation'}) eq 'HASH') {
+ foreach my $item ('username','id') {
+ if (ref($domconfig{'usercreation'}{$item.'_rule'}) eq 'ARRAY') {
+ $$curr_rules{$udom}{$item} =
+ $domconfig{'usercreation'}{$item.'_rule'};
+ }
+ }
+ }
+ $got_rules->{$udom} = 1;
+ }
+ foreach my $item (keys(%{$checks})) {
+ if (ref($$curr_rules{$udom}) eq 'HASH') {
+ if (ref($$curr_rules{$udom}{$item}) eq 'ARRAY') {
+ if (@{$$curr_rules{$udom}{$item}} > 0) {
+ my %rule_check = &Apache::lonnet::inst_rulecheck($udom,$uname,$id,$item,$$curr_rules{$udom}{$item});
+ foreach my $rule (@{$$curr_rules{$udom}{$item}}) {
+ if ($rule_check{$rule}) {
+ $$rulematch{$user}{$item} = $rule;
+ if ($inst_response eq 'ok') {
+ if (ref($inst_results) eq 'HASH') {
+ if (ref($inst_results->{$user}) eq 'HASH') {
+ if (keys(%{$inst_results->{$user}}) == 0) {
+ $$alerts{$item}{$udom}{$uname} = 1;
+ }
+ }
+ }
+ }
+ last;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ return;
+}
+
+sub user_rule_formats {
+ my ($domain,$domdesc,$curr_rules,$check) = @_;
+ my %text = (
+ 'username' => 'Usernames',
+ 'id' => 'IDs',
+ );
+ my $output;
+ my ($rules,$ruleorder) = &Apache::lonnet::inst_userrules($domain,$check);
+ if ((ref($rules) eq 'HASH') && (ref($ruleorder) eq 'ARRAY')) {
+ if (@{$ruleorder} > 0) {
+ $output = '
'.&mt("$text{$check} with the following format(s) may only be used for verified users at [_1]:",$domdesc).' ';
+ foreach my $rule (@{$ruleorder}) {
+ if (ref($curr_rules) eq 'ARRAY') {
+ if (grep(/^\Q$rule\E$/,@{$curr_rules})) {
+ if (ref($rules->{$rule}) eq 'HASH') {
+ $output .= '- '.$rules->{$rule}{'name'}.': '.
+ $rules->{$rule}{'desc'}.'
';
+ }
+ }
+ }
+ }
+ $output .= '
';
+ }
+ }
+ return $output;
+}
+
+sub instrule_disallow_msg {
+ my ($checkitem,$domdesc,$count,$mode) = @_;
+ my $response;
+ my %text = (
+ item => 'username',
+ items => 'usernames',
+ match => 'matches',
+ do => 'does',
+ action => 'a username',
+ one => 'one',
+ );
+ if ($count > 1) {
+ $text{'item'} = 'usernames';
+ $text{'match'} ='match';
+ $text{'do'} = 'do';
+ $text{'action'} = 'usernames',
+ $text{'one'} = 'ones';
+ }
+ if ($checkitem eq 'id') {
+ $text{'items'} = 'IDs';
+ $text{'item'} = 'ID';
+ $text{'action'} = 'an ID';
+ if ($count > 1) {
+ $text{'item'} = 'IDs';
+ $text{'action'} = 'IDs';
+ }
+ }
+ $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",''.$domdesc.'').'
';
+ if ($mode eq 'upload') {
+ if ($checkitem eq 'username') {
+ $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
+ } elsif ($checkitem eq 'id') {
+ $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
+ }
+ } elsif ($mode eq 'selfcreate') {
+ if ($checkitem eq 'id') {
+ $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
+ }
+ } else {
+ if ($checkitem eq 'username') {
+ $response .= &mt("You must choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
+ } elsif ($checkitem eq 'id') {
+ $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
+ }
+ }
+ return $response;
+}
+
+sub personal_data_fieldtitles {
+ my %fieldtitles = &Apache::lonlocal::texthash (
+ id => 'Student/Employee ID',
+ permanentemail => 'E-mail address',
+ lastname => 'Last Name',
+ firstname => 'First Name',
+ middlename => 'Middle Name',
+ generation => 'Generation',
+ gen => 'Generation',
+ inststatus => 'Affiliation',
+ );
+ return %fieldtitles;
+}
+
+sub sorted_inst_types {
+ my ($dom) = @_;
+ my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
+ my $othertitle = &mt('All users');
+ if ($env{'request.course.id'}) {
+ $othertitle = &mt('Any users');
+ }
+ my @types;
+ if (ref($order) eq 'ARRAY') {
+ @types = @{$order};
+ }
+ if (@types == 0) {
+ if (ref($usertypes) eq 'HASH') {
+ @types = sort(keys(%{$usertypes}));
+ }
+ }
+ if (keys(%{$usertypes}) > 0) {
+ $othertitle = &mt('Other users');
+ }
+ return ($othertitle,$usertypes,\@types);
+}
+
+sub get_institutional_codes {
+ my ($settings,$allcourses,$LC_code) = @_;
+# Get complete list of course sections to update
+ my @currsections = ();
+ my @currxlists = ();
+ my $coursecode = $$settings{'internal.coursecode'};
+
+ if ($$settings{'internal.sectionnums'} ne '') {
+ @currsections = split(/,/,$$settings{'internal.sectionnums'});
+ }
+
+ if ($$settings{'internal.crosslistings'} ne '') {
+ @currxlists = split(/,/,$$settings{'internal.crosslistings'});
+ }
+
+ if (@currxlists > 0) {
+ foreach (@currxlists) {
+ if (m/^([^:]+):(\w*)$/) {
+ unless (grep/^$1$/,@{$allcourses}) {
+ push @{$allcourses},$1;
+ $$LC_code{$1} = $2;
+ }
+ }
+ }
+ }
+
+ if (@currsections > 0) {
+ foreach (@currsections) {
+ if (m/^(\w+):(\w*)$/) {
+ my $sec = $coursecode.$1;
+ my $lc_sec = $2;
+ unless (grep/^$sec$/,@{$allcourses}) {
+ push @{$allcourses},$sec;
+ $$LC_code{$sec} = $lc_sec;
+ }
+ }
+ }
+ }
+ return;
+}
+
+sub get_standard_codeitems {
+ return ('Year','Semester','Department','Number','Section');
+}
+
+=pod
+
+=head1 Slot Helpers
+
+=over 4
+
+=item * sorted_slots()
+
+Sorts an array of slot names in order of slot start time (earliest first).
+
+Inputs:
+
+=over 4
+
+slotsarr - Reference to array of unsorted slot names.
+
+slots - Reference to hash of hash, where outer hash keys are slot names.
+
+=back
+
+Returns:
+
+=over 4
+
+sorted - An array of slot names sorted by the start time of the slot.
+
+=back
+
+=back
+
+=cut
+
+
+sub sorted_slots {
+ my ($slotsarr,$slots) = @_;
+ my @sorted;
+ if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
+ @sorted =
+ sort {
+ if (ref($slots->{$a}) && ref($slots->{$b})) {
+ return $slots->{$a}{'starttime'} <=> $slots->{$b}{'starttime'}
+ }
+ if (ref($slots->{$a})) { return -1;}
+ if (ref($slots->{$b})) { return 1;}
+ return 0;
+ } @{$slotsarr};
+ }
+ return @sorted;
+}
+
+
+=pod
+
+=head1 HTTP Helpers
+
+=over 4
+
+=item * &get_unprocessed_cgi($query,$possible_names)
+
+Modify the %env hash to contain unprocessed CGI form parameters held in
+$query. The parameters listed in $possible_names (an array reference),
+will be set in $env{'form.name'} if they do not already exist.
+
+Typically called with $ENV{'QUERY_STRING'} as the first parameter.
+$possible_names is an ref to an array of form element names. As an example:
+get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
+will result in $env{'form.uname'} and $env{'form.udom'} being set.
+
+=cut
+
sub get_unprocessed_cgi {
- my ($query)= @_;
- map {
- my ($name, $value) = split(/=/,$_);
- $value =~ tr/+/ /;
- $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
- if (!defined($ENV{'form.'.$name})) { $ENV{'form.'.$name}=$value; }
- } (split(/&/,$query));
+ my ($query,$possible_names)= @_;
+ # $Apache::lonxml::debug=1;
+ foreach my $pair (split(/&/,$query)) {
+ my ($name, $value) = split(/=/,$pair);
+ $name = &unescape($name);
+ if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
+ $value =~ tr/+/ /;
+ $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
+ unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
+ }
+ }
}
+=pod
+
+=item * &cacheheader()
+
+returns cache-controlling header code
+
+=cut
+
sub cacheheader {
- my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
- my $output .='
+ unless ($env{'request.method'} eq 'GET') { return ''; }
+ my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
+ my $output .='
';
- return $output;
+ return $output;
}
+=pod
+
+=item * &no_cache($r)
+
+specifies header code to not have cache
+
+=cut
+
sub no_cache {
- my ($r) = @_;
- my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
- $r->no_cache(1);
- $r->header_out("Pragma" => "no-cache");
- $r->header_out("Expires" => $date);
+ my ($r) = @_;
+ if ($ENV{'REQUEST_METHOD'} ne 'GET' &&
+ $env{'request.method'} ne 'GET') { return ''; }
+ my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime(time));
+ $r->no_cache(1);
+ $r->header_out("Expires" => $date);
+ $r->header_out("Pragma" => "no-cache");
+}
+
+sub content_type {
+ my ($r,$type,$charset) = @_;
+ if ($r) {
+ # Note that printout.pl calls this with undef for $r.
+ &no_cache($r);
+ }
+ if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
+ unless ($charset) {
+ $charset=&Apache::lonlocal::current_encoding;
+ }
+ if ($charset) { $type.='; charset='.$charset; }
+ if ($r) {
+ $r->content_type($type);
+ } else {
+ print("Content-type: $type\n\n");
+ }
+}
+
+=pod
+
+=item * &add_to_env($name,$value)
+
+adds $name to the %env hash with value
+$value, if $name already exists, the entry is converted to an array
+reference and $value is added to the array.
+
+=cut
+
+sub add_to_env {
+ my ($name,$value)=@_;
+ if (defined($env{$name})) {
+ if (ref($env{$name})) {
+ #already have multiple values
+ push(@{ $env{$name} },$value);
+ } else {
+ #first time seeing multiple values, convert hash entry to an arrayref
+ my $first=$env{$name};
+ undef($env{$name});
+ push(@{ $env{$name} },$first,$value);
+ }
+ } else {
+ $env{$name}=$value;
+ }
+}
+
+=pod
+
+=item * &get_env_multiple($name)
+
+gets $name from the %env hash, it seemlessly handles the cases where multiple
+values may be defined and end up as an array ref.
+
+returns an array of values
+
+=cut
+
+sub get_env_multiple {
+ my ($name) = @_;
+ my @values;
+ if (defined($env{$name})) {
+ # exists is it an array
+ if (ref($env{$name})) {
+ @values=@{ $env{$name} };
+ } else {
+ $values[0]=$env{$name};
+ }
+ }
+ return(@values);
+}
+
+sub ask_for_embedded_content {
+ my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
+ my (%subdependencies,%dependencies,%mapping,%existing,%newfiles,%pathchanges);
+ my $num = 0;
+ my $numremref = 0;
+ my $numinvalid = 0;
+ my $numpathchg = 0;
+ my $numexisting = 0;
+ my ($output,$upload_output,$toplevel,$url,$udom,$uname,$getpropath);
+ if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+ my $current_path='/';
+ if ($env{'form.currentpath'}) {
+ $current_path = $env{'form.currentpath'};
+ }
+ if ($actionurl eq '/adm/coursegrp_portfolio') {
+ $udom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ $uname = $env{'course.'.$env{'request.course.id'}.'.num'};
+ $url = '/userfiles/groups/'.$env{'form.group'}.'/portfolio';
+ } else {
+ $udom = $env{'user.domain'};
+ $uname = $env{'user.name'};
+ $url = '/userfiles/portfolio';
+ }
+ $toplevel = $url.'/';
+ $url .= $current_path;
+ $getpropath = 1;
+ } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
+ ($actionurl eq '/adm/imsimport')) {
+ my ($udom,$uname,$rest) = ($args->{'current_path'} =~ m{/priv/($match_domain)/($match_username)/?(.*)$});
+ $url = $Apache::lonnet::perlvar{'lonDocRoot'}."/priv/$udom/$uname/";
+ $toplevel = $url;
+ if ($rest ne '') {
+ $url .= $rest;
+ }
+ } elsif ($actionurl eq '/adm/coursedocs') {
+ if (ref($args) eq 'HASH') {
+ $url = $args->{'docs_url'};
+ $toplevel = $url;
+ }
+ }
+ my $now = time();
+ foreach my $embed_file (keys(%{$allfiles})) {
+ my $absolutepath;
+ if ($embed_file =~ m{^\w+://}) {
+ $newfiles{$embed_file} = 1;
+ $mapping{$embed_file} = $embed_file;
+ } else {
+ if ($embed_file =~ m{^/}) {
+ $absolutepath = $embed_file;
+ $embed_file =~ s{^(/+)}{};
+ }
+ if ($embed_file =~ m{/}) {
+ my ($path,$fname) = ($embed_file =~ m{^(.+)/([^/]*)$});
+ $path = &check_for_traversal($path,$url,$toplevel);
+ my $item = $fname;
+ if ($path ne '') {
+ $item = $path.'/'.$fname;
+ $subdependencies{$path}{$fname} = 1;
+ } else {
+ $dependencies{$item} = 1;
+ }
+ if ($absolutepath) {
+ $mapping{$item} = $absolutepath;
+ } else {
+ $mapping{$item} = $embed_file;
+ }
+ } else {
+ $dependencies{$embed_file} = 1;
+ if ($absolutepath) {
+ $mapping{$embed_file} = $absolutepath;
+ } else {
+ $mapping{$embed_file} = $embed_file;
+ }
+ }
+ }
+ }
+ foreach my $path (keys(%subdependencies)) {
+ my %currsubfile;
+ if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+ my ($sublistref,$listerror) =
+ &Apache::lonnet::dirlist($url.$path,$udom,$uname,$getpropath);
+ if (ref($sublistref) eq 'ARRAY') {
+ foreach my $line (@{$sublistref}) {
+ my ($file_name,$rest) = split(/\&/,$line,2);
+ $currsubfile{$file_name} = 1;
+ }
+ }
+ } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+ if (opendir(my $dir,$url.'/'.$path)) {
+ my @subdir_list = grep(!/^\./,readdir($dir));
+ map {$currsubfile{$_} = 1;} @subdir_list;
+ }
+ }
+ foreach my $file (keys(%{$subdependencies{$path}})) {
+ if ($currsubfile{$file}) {
+ my $item = $path.'/'.$file;
+ unless ($mapping{$item} eq $item) {
+ $pathchanges{$item} = 1;
+ }
+ $existing{$item} = 1;
+ $numexisting ++;
+ } else {
+ $newfiles{$path.'/'.$file} = 1;
+ }
+ }
+ }
+ my %currfile;
+ if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+ my ($dirlistref,$listerror) =
+ &Apache::lonnet::dirlist($url,$udom,$uname,$getpropath);
+ if (ref($dirlistref) eq 'ARRAY') {
+ foreach my $line (@{$dirlistref}) {
+ my ($file_name,$rest) = split(/\&/,$line,2);
+ $currfile{$file_name} = 1;
+ }
+ }
+ } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+ if (opendir(my $dir,$url)) {
+ my @dir_list = grep(!/^\./,readdir($dir));
+ map {$currfile{$_} = 1;} @dir_list;
+ }
+ }
+ foreach my $file (keys(%dependencies)) {
+ if ($currfile{$file}) {
+ unless ($mapping{$file} eq $file) {
+ $pathchanges{$file} = 1;
+ }
+ $existing{$file} = 1;
+ $numexisting ++;
+ } else {
+ $newfiles{$file} = 1;
+ }
+ }
+ foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
+ $upload_output .= &start_data_table_row().
+ ''.$embed_file.'';
+ unless ($mapping{$embed_file} eq $embed_file) {
+ $upload_output .= '
'.&mt('changed from: [_1]',$mapping{$embed_file}).'';
+ }
+ $upload_output .= ' | ';
+ if ($args->{'ignore_remote_references'}
+ && $embed_file =~ m{^\w+://}) {
+ $upload_output.=''.&mt("URL points to other server.").'';
+ $numremref++;
+ } elsif ($args->{'error_on_invalid_names'}
+ && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
+
+ $upload_output.=''.&mt('Invalid characters').'';
+ $numinvalid++;
+ } else {
+ $upload_output .= &embedded_file_element('upload_embedded',$num,
+ $embed_file,\%mapping,
+ $allfiles,$codebase);
+ $num++;
+ }
+ $upload_output .= ' | '.&Apache::loncommon::end_data_table_row()."\n";
+ }
+ foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%existing)) {
+ $upload_output .= &start_data_table_row().
+ ''.$embed_file.' | '.
+ ''.&mt('Already exists').' | '.
+ &Apache::loncommon::end_data_table_row()."\n";
+ }
+ if ($upload_output) {
+ $upload_output = &start_data_table().
+ $upload_output.
+ &end_data_table()."\n";
+ }
+ my $applies = 0;
+ if ($numremref) {
+ $applies ++;
+ }
+ if ($numinvalid) {
+ $applies ++;
+ }
+ if ($numexisting) {
+ $applies ++;
+ }
+ if ($num) {
+ $output = ''."\n";
+ } elsif ($numpathchg) {
+ my %pathchange = ();
+ $output .= &modify_html_form('pathchange',$actionurl,$state,\%pathchange,$pathchange_output);
+ if (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+ $output .= ''.&mt('or').'
';
+ }
+ }
+ return ($output,$num,$numpathchg);
+}
+
+sub embedded_file_element {
+ my ($context,$num,$embed_file,$mapping,$allfiles,$codebase) = @_;
+ return unless ((ref($mapping) eq 'HASH') && (ref($allfiles) eq 'HASH') &&
+ (ref($codebase) eq 'HASH'));
+ my $output;
+ if ($context eq 'upload_embedded') {
+ $output = ''."\n";
+ }
+ $output .= '';
+ unless (($context eq 'upload_embedded') &&
+ ($mapping->{$embed_file} eq $embed_file)) {
+ $output .='
+ ';
+ }
+ my $attrib;
+ if (ref($allfiles->{$mapping->{$embed_file}}) eq 'ARRAY') {
+ $attrib = &escape(join(':',@{$allfiles->{$mapping->{$embed_file}}}));
+ }
+ $output .=
+ "\n\t\t".
+ '';
+ if (exists($codebase->{$mapping->{$embed_file}})) {
+ $output .=
+ "\n\t\t".
+ '';
+ }
+ return $output;
+}
+
+sub upload_embedded {
+ my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
+ $current_disk_usage,$hiddenstate,$actionurl) = @_;
+ my (%pathchange,$output,$modifyform,$footer,$returnflag);
+ for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
+ next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
+ my $orig_uploaded_filename =
+ $env{'form.embedded_item_'.$i.'.filename'};
+ foreach my $type ('orig','ref','attrib','codebase') {
+ if ($env{'form.embedded_'.$type.'_'.$i} ne '') {
+ $env{'form.embedded_'.$type.'_'.$i} =
+ &unescape($env{'form.embedded_'.$type.'_'.$i});
+ }
+ }
+ my ($path,$fname) =
+ ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
+ # no path, whole string is fname
+ if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
+ $fname = &Apache::lonnet::clean_filename($fname);
+ # See if there is anything left
+ next if ($fname eq '');
+
+ # Check if file already exists as a file or directory.
+ my ($state,$msg);
+ if ($context eq 'portfolio') {
+ my $port_path = $dirpath;
+ if ($group ne '') {
+ $port_path = "groups/$group/$port_path";
+ }
+ ($state,$msg) = &check_for_upload($env{'form.currentpath'}.$path,
+ $fname,$group,'embedded_item_'.$i,
+ $dir_root,$port_path,$disk_quota,
+ $current_disk_usage,$uname,$udom);
+ if ($state eq 'will_exceed_quota'
+ || $state eq 'file_locked') {
+ $output .= $msg;
+ next;
+ }
+ } elsif (($context eq 'author') || ($context eq 'testbank')) {
+ ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
+ if ($state eq 'exists') {
+ $output .= $msg;
+ next;
+ }
+ }
+ # Check if extension is valid
+ if (($fname =~ /\.(\w+)$/) &&
+ (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
+ $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1).'
';
+ next;
+ } elsif (($fname =~ /\.(\w+)$/) &&
+ (!defined(&Apache::loncommon::fileembstyle($1)))) {
+ $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'
';
+ next;
+ } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
+ $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'
';
+ next;
+ }
+
+ $env{'form.embedded_item_'.$i.'.filename'}=$fname;
+ if ($context eq 'portfolio') {
+ my $result;
+ if ($state eq 'existingfile') {
+ $result=
+ &Apache::lonnet::userfileupload('embedded_item_'.$i,'existingfile',
+ $dirpath.$env{'form.currentpath'}.$path);
+ } else {
+ $result=
+ &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
+ $dirpath.
+ $env{'form.currentpath'}.$path);
+ if ($result !~ m|^/uploaded/|) {
+ $output .= ''
+ .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+ ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
+ .'
';
+ next;
+ } else {
+ $output .= &mt('Uploaded [_1]',''.
+ $path.$fname.'').'
';
+ }
+ }
+ } elsif ($context eq 'coursedoc') {
+ my $result =
+ &Apache::lonnet::userfileupload('embedded_item_'.$i,'coursedoc',
+ $dirpath.'/'.$path);
+ if ($result !~ m|^/uploaded/|) {
+ $output .= ''
+ .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
+ ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
+ .'
';
+ next;
+ } else {
+ $output .= &mt('Uploaded [_1]',''.
+ $path.$fname.'').'
';
+ }
+ } else {
+# Save the file
+ my $target = $env{'form.embedded_item_'.$i};
+ my $fullpath = $dir_root.$dirpath.'/'.$path;
+ my $dest = $fullpath.$fname;
+ my $url = $url_root.$dirpath.'/'.$path.$fname;
+ my @parts=split(/\//,"$dirpath/$path");
+ my $count;
+ my $filepath = $dir_root;
+ foreach my $subdir (@parts) {
+ $filepath .= "/$subdir";
+ if (!-e $filepath) {
+ mkdir($filepath,0770);
+ }
+ }
+ my $fh;
+ if (!open($fh,'>'.$dest)) {
+ &Apache::lonnet::logthis('Failed to create '.$dest);
+ $output .= ''.
+ &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+ '
';
+ } else {
+ if (!print $fh $env{'form.embedded_item_'.$i}) {
+ &Apache::lonnet::logthis('Failed to write to '.$dest);
+ $output .= ''.
+ &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
+ '
';
+ } else {
+ $output .= &mt('Uploaded [_1]',''.
+ $url.'').'
';
+ unless ($context eq 'testbank') {
+ $footer .= &mt('View embedded file: [_1]',
+ ''.$fname.'').'
';
+ }
+ }
+ close($fh);
+ }
+ }
+ if ($env{'form.embedded_ref_'.$i}) {
+ $pathchange{$i} = 1;
+ }
+ }
+ if ($output) {
+ $output = ''.$output.'
';
+ }
+ $output .= &modify_html_form('upload_embedded',$actionurl,$hiddenstate,\%pathchange);
+ $returnflag = 'ok';
+ if (keys(%pathchange) > 0) {
+ if ($context eq 'portfolio') {
+ $output .= ''.&mt('or').'
';
+ } elsif ($context eq 'testbank') {
+ $output .= ''.&mt('Or [_1]continue[_2] the testbank import without modifying the reference(s).','','').'
';
+ $returnflag = 'modify_orightml';
+ }
+ }
+ return ($output.$footer,$returnflag);
+}
+
+sub modify_html_form {
+ my ($context,$actionurl,$hiddenstate,$pathchange,$pathchgtable) = @_;
+ my $end = 0;
+ my $modifyform;
+ if ($context eq 'upload_embedded') {
+ return unless (ref($pathchange) eq 'HASH');
+ if ($env{'form.number_embedded_items'}) {
+ $end += $env{'form.number_embedded_items'};
+ }
+ if ($env{'form.number_pathchange_items'}) {
+ $end += $env{'form.number_pathchange_items'};
+ }
+ if ($end) {
+ for (my $i=0; $i<$end; $i++) {
+ if ($i < $env{'form.number_embedded_items'}) {
+ next unless($pathchange->{$i});
+ }
+ $modifyform .=
+ &start_data_table_row().
+ ' | '.
+ ''.$env{'form.embedded_ref_'.$i}.
+ ''.
+ ''.
+ ' | '.
+ ''.$env{'form.embedded_orig_'.$i}.
+ ' | '.
+ &end_data_table_row();
+ }
+ }
+ } else {
+ $modifyform = $pathchgtable;
+ if (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank')) {
+ $hiddenstate .= '';
+ } elsif (($actionurl eq '/adm/portfolio') || ($actionurl eq '/adm/coursegrp_portfolio')) {
+ $hiddenstate .= '';
+ }
+ }
+ if ($modifyform) {
+ return ''.&mt('Changes in content of HTML file required').'
'."\n".
+ ''.&mt('Changes need to be made to the reference(s) used for one or more of the dependencies, if your HTML file is to work correctly:').'
'."\n".
+ '- '.&mt('For consistency between the reference(s) and the location of the corresponding stored file within LON-CAPA.').'
'."\n".
+ '- '.&mt('To change absolute paths to relative paths, or replace directory traversal via "../" within the original reference.').'
'."\n".
+ '
'."\n".''.
+ &mt('LON-CAPA can make the required changes to your HTML file.').'
'."\n".
+ ''."\n";
+ }
+ return;
+}
+
+sub modify_html_refs {
+ my ($context,$dirpath,$uname,$udom,$dir_root) = @_;
+ my $container;
+ if ($context eq 'portfolio') {
+ $container = $env{'form.container'};
+ } elsif ($context eq 'coursedoc') {
+ $container = $env{'form.primaryurl'};
+ } else {
+ $container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};
+ }
+ my (%allfiles,%codebase,$output,$content);
+ my @changes = &get_env_multiple('form.namechange');
+ return unless (@changes > 0);
+ if (($context eq 'portfolio') || ($context eq 'coursedoc')) {
+ return unless ($container =~ m{^/uploaded/\Q$udom\E/\Q$uname\E/});
+ $content = &Apache::lonnet::getfile($container);
+ return if ($content eq '-1');
+ } else {
+ return unless ($container =~ /^\Q$dir_root\E/);
+ if (open(my $fh,"<$container")) {
+ $content = join('', <$fh>);
+ close($fh);
+ } else {
+ return;
+ }
+ }
+ my ($count,$codebasecount) = (0,0);
+ my $mm = new File::MMagic;
+ my $mime_type = $mm->checktype_contents($content);
+ if ($mime_type eq 'text/html') {
+ my $parse_result =
+ &Apache::lonnet::extract_embedded_items($container,\%allfiles,
+ \%codebase,\$content);
+ if ($parse_result eq 'ok') {
+ foreach my $i (@changes) {
+ my $orig = &unescape($env{'form.embedded_orig_'.$i});
+ my $ref = &unescape($env{'form.embedded_ref_'.$i});
+ if ($allfiles{$ref}) {
+ my $newname = $orig;
+ my ($attrib_regexp,$codebase);
+ $attrib_regexp = &unescape($env{'form.embedded_attrib_'.$i});
+ if ($attrib_regexp =~ /:/) {
+ $attrib_regexp =~ s/\:/|/g;
+ }
+ if ($content =~ m{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}) {
+ my $numchg = ($content =~ s{($attrib_regexp\s*=\s*['"]?)\Q$ref\E(['"]?)}{$1$newname$2}gi);
+ $count += $numchg;
+ }
+ if ($env{'form.embedded_codebase_'.$i} ne '') {
+ $codebase = &unescape($env{'form.embedded_codebase_'.$i});
+ my $numchg = ($content =~ s/(codebase\s*=\s*["']?)\Q$codebase\E(["']?)/$1.$2/i); #' stupid emacs
+ $codebasecount ++;
+ }
+ }
+ }
+ if ($count || $codebasecount) {
+ my $saveresult;
+ if ($context eq 'portfolio' || $context eq 'coursedoc') {
+ my $url = &Apache::lonnet::store_edited_file($container,$content,$udom,$uname,\$saveresult);
+ if ($url eq $container) {
+ my ($fname) = ($container =~ m{/([^/]+)$});
+ $output = ''.&mt('Updated [quant,_1,reference] in [_2].',
+ $count,''.
+ $fname.'').'
';
+ } else {
+ $output = ''.
+ &mt('Error: update failed for: [_1].',
+ ''.
+ $container.'').'
';
+ }
+ } else {
+ if (open(my $fh,">$container")) {
+ print $fh $content;
+ close($fh);
+ $output = ''.&mt('Updated [quant,_1,reference] in [_2].',
+ $count,''.
+ $container.'').'
';
+ } else {
+ $output = ''.
+ &mt('Error: could not update [_1].',
+ ''.
+ $container.'').'
';
+ }
+ }
+ }
+ } else {
+ &logthis('Failed to parse '.$container.
+ ' to modify references: '.$parse_result);
+ }
+ }
+ return $output;
+}
+
+sub check_for_existing {
+ my ($path,$fname,$element) = @_;
+ my ($state,$msg);
+ if (-d $path.'/'.$fname) {
+ $state = 'exists';
+ $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].',''.$fname.'',$path);
+ } elsif (-e $path.'/'.$fname) {
+ $state = 'exists';
+ $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].',''.$fname.'',$path);
+ }
+ if ($state eq 'exists') {
+ $msg = ''.$msg.'
';
+ }
+ return ($state,$msg);
+}
+
+sub check_for_upload {
+ my ($path,$fname,$group,$element,$portfolio_root,$port_path,
+ $disk_quota,$current_disk_usage,$uname,$udom) = @_;
+ my $filesize = length($env{'form.'.$element});
+ if (!$filesize) {
+ my $msg = ''.
+ &mt('Unable to upload [_1]. (size = [_2] bytes)',
+ ''.$fname.'',
+ $filesize).'
'.
+ &mt('Either the file you attempted to upload was empty, or your web browser was unable to read its contents.').'
'.
+ '';
+ return ('zero_bytes',$msg);
+ }
+ $filesize = $filesize/1000; #express in k (1024?)
+ my $getpropath = 1;
+ my ($dirlistref,$listerror) =
+ &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,$getpropath);
+ my $found_file = 0;
+ my $locked_file = 0;
+ my @lockers;
+ my $navmap;
+ if ($env{'request.course.id'}) {
+ $navmap = Apache::lonnavmaps::navmap->new();
+ }
+ if (ref($dirlistref) eq 'ARRAY') {
+ foreach my $line (@{$dirlistref}) {
+ my ($file_name,$rest)=split(/\&/,$line,2);
+ if ($file_name eq $fname){
+ $file_name = $path.$file_name;
+ if ($group ne '') {
+ $file_name = $group.$file_name;
+ }
+ $found_file = 1;
+ if (&Apache::lonnet::is_locked($file_name,$udom,$uname,\@lockers) eq 'true') {
+ foreach my $lock (@lockers) {
+ if (ref($lock) eq 'ARRAY') {
+ my ($symb,$crsid) = @{$lock};
+ if ($crsid eq $env{'request.course.id'}) {
+ if (ref($navmap)) {
+ my $res = $navmap->getBySymb($symb);
+ foreach my $part (@{$res->parts()}) {
+ my ($slot_status,$slot_time,$slot_name)=$res->check_for_slot($part);
+ unless (($slot_status == $res->RESERVED) ||
+ ($slot_status == $res->RESERVED_LOCATION)) {
+ $locked_file = 1;
+ }
+ }
+ } else {
+ $locked_file = 1;
+ }
+ } else {
+ $locked_file = 1;
+ }
+ }
+ }
+ } else {
+ my @info = split(/\&/,$rest);
+ my $currsize = $info[6]/1000;
+ if ($currsize < $filesize) {
+ my $extra = $filesize - $currsize;
+ if (($current_disk_usage + $extra) > $disk_quota) {
+ my $msg = ''.
+ &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded if existing (smaller) file with same name (size = [_3] kilobytes) is replaced.',
+ ''.$fname.'',$filesize,$currsize).''.
+ '
'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
+ $disk_quota,$current_disk_usage);
+ return ('will_exceed_quota',$msg);
+ }
+ }
+ }
+ }
+ }
+ }
+ if (($current_disk_usage + $filesize) > $disk_quota){
+ my $msg = ''.
+ &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.',''.$fname.'',$filesize).''.
+ '
'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
+ return ('will_exceed_quota',$msg);
+ } elsif ($found_file) {
+ if ($locked_file) {
+ my $msg = '';
+ $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].',''.$fname.'',''.$port_path.$env{'form.currentpath'}.'');
+ $msg .= '
';
+ $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.',''.$fname.'');
+ return ('file_locked',$msg);
+ } else {
+ my $msg = '';
+ $msg .= &mt(' A file by that name: [_1] was found in [_2].',''.$fname.'',$port_path.$env{'form.currentpath'});
+ $msg .= '';
+ return ('existingfile',$msg);
+ }
+ }
+}
+
+sub check_for_traversal {
+ my ($path,$url,$toplevel) = @_;
+ my @parts=split(/\//,$path);
+ my $cleanpath;
+ my $fullpath = $url;
+ for (my $i=0;$i<@parts;$i++) {
+ next if ($parts[$i] eq '.');
+ if ($parts[$i] eq '..') {
+ $fullpath =~ s{([^/]+/)$}{};
+ } else {
+ $fullpath .= $parts[$i].'/';
+ }
+ }
+ if ($fullpath =~ /^\Q$url\E(.*)$/) {
+ $cleanpath = $1;
+ } elsif ($fullpath =~ /^\Q$toplevel\E(.*)$/) {
+ my $curr_toprel = $1;
+ my @parts = split(/\//,$curr_toprel);
+ my ($url_toprel) = ($url =~ /^\Q$toplevel\E(.*)$/);
+ my @urlparts = split(/\//,$url_toprel);
+ my $doubledots;
+ my $startdiff = -1;
+ for (my $i=0; $i<@urlparts; $i++) {
+ if ($startdiff == -1) {
+ unless ($urlparts[$i] eq $parts[$i]) {
+ $startdiff = $i;
+ $doubledots .= '../';
+ }
+ } else {
+ $doubledots .= '../';
+ }
+ }
+ if ($startdiff > -1) {
+ $cleanpath = $doubledots;
+ for (my $i=$startdiff; $i<@parts; $i++) {
+ $cleanpath .= $parts[$i].'/';
+ }
+ }
+ }
+ $cleanpath =~ s{(/)$}{};
+ return $cleanpath;
+}
+
+=pod
+
+=item * &get_turnedin_filepath()
+
+Determines path in a user's portfolio file for storage of files uploaded
+to a specific essayresponse or dropbox item.
+
+Inputs: 3 required + 1 optional.
+$symb is symb for resource, $uname and $udom are for current user (required).
+$caller is optional (can be "submission", if routine is called when storing
+an upoaded file when "Submit Answer" button was pressed).
+
+Returns array containing $path and $multiresp.
+$path is path in portfolio. $multiresp is 1 if this resource contains more
+than one file upload item. Callers of routine should append partid as a
+subdirectory to $path in cases where $multiresp is 1.
+
+Called by: homework/essayresponse.pm and homework/structuretags.pm
+
+=cut
+
+sub get_turnedin_filepath {
+ my ($symb,$uname,$udom,$caller) = @_;
+ my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
+ my $turnindir;
+ my %userhash = &Apache::lonnet::userenvironment($udom,$uname,'turnindir');
+ $turnindir = $userhash{'turnindir'};
+ my ($path,$multiresp);
+ if ($turnindir eq '') {
+ if ($caller eq 'submission') {
+ $turnindir = &mt('turned in');
+ $turnindir =~ s/\W+/_/g;
+ my %newhash = (
+ 'turnindir' => $turnindir,
+ );
+ &Apache::lonnet::put('environment',\%newhash,$udom,$uname);
+ }
+ }
+ if ($turnindir ne '') {
+ $path = '/'.$turnindir.'/';
+ my ($multipart,$turnin,@pathitems);
+ my $navmap = Apache::lonnavmaps::navmap->new();
+ if (defined($navmap)) {
+ my $mapres = $navmap->getResourceByUrl($map);
+ if (ref($mapres)) {
+ my $pcslist = $mapres->map_hierarchy();
+ if ($pcslist ne '') {
+ foreach my $pc (split(/,/,$pcslist)) {
+ my $res = $navmap->getByMapPc($pc);
+ if (ref($res)) {
+ my $title = $res->compTitle();
+ $title =~ s/\W+/_/g;
+ if ($title ne '') {
+ push(@pathitems,$title);
+ }
+ }
+ }
+ }
+ my $maptitle = $mapres->compTitle();
+ $maptitle =~ s/\W+/_/g;
+ if ($maptitle ne '') {
+ push(@pathitems,$maptitle);
+ }
+ unless ($env{'request.state'} eq 'construct') {
+ my $res = $navmap->getBySymb($symb);
+ if (ref($res)) {
+ my $partlist = $res->parts();
+ my $totaluploads = 0;
+ if (ref($partlist) eq 'ARRAY') {
+ foreach my $part (@{$partlist}) {
+ my @types = $res->responseType($part);
+ my @ids = $res->responseIds($part);
+ for (my $i=0; $i < scalar(@ids); $i++) {
+ if ($types[$i] eq 'essay') {
+ my $partid = $part.'_'.$ids[$i];
+ if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') {
+ $totaluploads ++;
+ }
+ }
+ }
+ }
+ if ($totaluploads > 1) {
+ $multiresp = 1;
+ }
+ }
+ }
+ }
+ } else {
+ return;
+ }
+ } else {
+ return;
+ }
+ my $restitle=&Apache::lonnet::gettitle($symb);
+ $restitle =~ s/\W+/_/g;
+ if ($restitle eq '') {
+ $restitle = ($resurl =~ m{/[^/]+$});
+ if ($restitle eq '') {
+ $restitle = time;
+ }
+ }
+ push(@pathitems,$restitle);
+ $path .= join('/',@pathitems);
+ }
+ return ($path,$multiresp);
+}
+
+=pod
+
+=back
+
+=head1 CSV Upload/Handling functions
+
+=over 4
+
+=item * &upfile_store($r)
+
+Store uploaded file, $r should be the HTTP Request object,
+needs $env{'form.upfile'}
+returns $datatoken to be put into hidden field
+
+=cut
+
+sub upfile_store {
+ my $r=shift;
+ $env{'form.upfile'}=~s/\r/\n/gs;
+ $env{'form.upfile'}=~s/\f/\n/gs;
+ $env{'form.upfile'}=~s/\n+/\n/gs;
+ $env{'form.upfile'}=~s/\n+$//gs;
+
+ my $datatoken=$env{'user.name'}.'_'.$env{'user.domain'}.
+ '_enroll_'.$env{'request.course.id'}.'_'.time.'_'.$$;
+ {
+ my $datafile = $r->dir_config('lonDaemons').
+ '/tmp/'.$datatoken.'.tmp';
+ if ( open(my $fh,">$datafile") ) {
+ print $fh $env{'form.upfile'};
+ close($fh);
+ }
+ }
+ return $datatoken;
+}
+
+=pod
+
+=item * &load_tmp_file($r)
+
+Load uploaded file from tmp, $r should be the HTTP Request object,
+needs $env{'form.datatoken'},
+sets $env{'form.upfile'} to the contents of the file
+
+=cut
+
+sub load_tmp_file {
+ my $r=shift;
+ my @studentdata=();
+ {
+ my $studentfile = $r->dir_config('lonDaemons').
+ '/tmp/'.$env{'form.datatoken'}.'.tmp';
+ if ( open(my $fh,"<$studentfile") ) {
+ @studentdata=<$fh>;
+ close($fh);
+ }
+ }
+ $env{'form.upfile'}=join('',@studentdata);
+}
+
+=pod
+
+=item * &upfile_record_sep()
+
+Separate uploaded file into records
+returns array of records,
+needs $env{'form.upfile'} and $env{'form.upfiletype'}
+
+=cut
+
+sub upfile_record_sep {
+ if ($env{'form.upfiletype'} eq 'xml') {
+ } else {
+ my @records;
+ foreach my $line (split(/\n/,$env{'form.upfile'})) {
+ if ($line=~/^\s*$/) { next; }
+ push(@records,$line);
+ }
+ return @records;
+ }
+}
+
+=pod
+
+=item * &record_sep($record)
+
+Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
+
+=cut
+
+sub takeleft {
+ my $index=shift;
+ return substr('0000'.$index,-4,4);
+}
+
+sub record_sep {
+ my $record=shift;
+ my %components=();
+ if ($env{'form.upfiletype'} eq 'xml') {
+ } elsif ($env{'form.upfiletype'} eq 'space') {
+ my $i=0;
+ foreach my $field (split(/\s+/,$record)) {
+ $field=~s/^(\"|\')//;
+ $field=~s/(\"|\')$//;
+ $components{&takeleft($i)}=$field;
+ $i++;
+ }
+ } elsif ($env{'form.upfiletype'} eq 'tab') {
+ my $i=0;
+ foreach my $field (split(/\t/,$record)) {
+ $field=~s/^(\"|\')//;
+ $field=~s/(\"|\')$//;
+ $components{&takeleft($i)}=$field;
+ $i++;
+ }
+ } else {
+ my $separator=',';
+ if ($env{'form.upfiletype'} eq 'semisv') {
+ $separator=';';
+ }
+ my $i=0;
+# the character we are looking for to indicate the end of a quote or a record
+ my $looking_for=$separator;
+# do not add the characters to the fields
+ my $ignore=0;
+# we just encountered a separator (or the beginning of the record)
+ my $just_found_separator=1;
+# store the field we are working on here
+ my $field='';
+# work our way through all characters in record
+ foreach my $character ($record=~/(.)/g) {
+ if ($character eq $looking_for) {
+ if ($character ne $separator) {
+# Found the end of a quote, again looking for separator
+ $looking_for=$separator;
+ $ignore=1;
+ } else {
+# Found a separator, store away what we got
+ $components{&takeleft($i)}=$field;
+ $i++;
+ $just_found_separator=1;
+ $ignore=0;
+ $field='';
+ }
+ next;
+ }
+# single or double quotation marks after a separator indicate beginning of a quote
+# we are now looking for the end of the quote and need to ignore separators
+ if ((($character eq '"') || ($character eq "'")) && ($just_found_separator)) {
+ $looking_for=$character;
+ next;
+ }
+# ignore would be true after we reached the end of a quote
+ if ($ignore) { next; }
+ if (($just_found_separator) && ($character=~/\s/)) { next; }
+ $field.=$character;
+ $just_found_separator=0;
+ }
+# catch the very last entry, since we never encountered the separator
+ $components{&takeleft($i)}=$field;
+ }
+ return %components;
+}
+
+######################################################
+######################################################
+
+=pod
+
+=item * &upfile_select_html()
+
+Return HTML code to select a file from the users machine and specify
+the file type.
+
+=cut
+
+######################################################
+######################################################
+sub upfile_select_html {
+ my %Types = (
+ csv => &mt('CSV (comma separated values, spreadsheet)'),
+ semisv => &mt('Semicolon separated values'),
+ space => &mt('Space separated'),
+ tab => &mt('Tabulator separated'),
+# xml => &mt('HTML/XML'),
+ );
+ my $Str = ''.
+ '
'.&mt('Type').': \n";
+ return $Str;
+}
+
+sub get_samples {
+ my ($records,$toget) = @_;
+ my @samples=({});
+ my $got=0;
+ foreach my $rec (@$records) {
+ my %temp = &record_sep($rec);
+ if (! grep(/\S/, values(%temp))) { next; }
+ if (%temp) {
+ $samples[$got]=\%temp;
+ $got++;
+ if ($got == $toget) { last; }
+ }
+ }
+ return \@samples;
+}
+
+######################################################
+######################################################
+
+=pod
+
+=item * &csv_print_samples($r,$records)
+
+Prints a table of sample values from each column uploaded $r is an
+Apache Request ref, $records is an arrayref from
+&Apache::loncommon::upfile_record_sep
+
+=cut
+
+######################################################
+######################################################
+sub csv_print_samples {
+ my ($r,$records) = @_;
+ my $samples = &get_samples($records,5);
+
+ $r->print(&mt('Samples').'
'.&start_data_table().
+ &start_data_table_header_row());
+ foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
+ $r->print(''.&mt('Column [_1]',($sample+1)).' | '); }
+ $r->print(&end_data_table_header_row());
+ foreach my $hash (@$samples) {
+ $r->print(&start_data_table_row());
+ foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
+ $r->print('');
+ if (defined($$hash{$sample})) { $r->print($$hash{$sample}); }
+ $r->print(' | ');
+ }
+ $r->print(&end_data_table_row());
+ }
+ $r->print(&end_data_table().'
'."\n");
+}
+
+######################################################
+######################################################
+
+=pod
+
+=item * &csv_print_select_table($r,$records,$d)
+
+Prints a table to create associations between values and table columns.
+
+$r is an Apache Request ref,
+$records is an arrayref from &Apache::loncommon::upfile_record_sep,
+$d is an array of 2 element arrays (internal name, displayed name,defaultcol)
+
+=cut
+
+######################################################
+######################################################
+sub csv_print_select_table {
+ my ($r,$records,$d) = @_;
+ my $i=0;
+ my $samples = &get_samples($records,1);
+ $r->print(&mt('Associate columns with student attributes.')."\n".
+ &start_data_table().&start_data_table_header_row().
+ ''.&mt('Attribute').' | '.
+ ''.&mt('Column').' | '.
+ &end_data_table_header_row()."\n");
+ foreach my $array_ref (@$d) {
+ my ($value,$display,$defaultcol)=@{ $array_ref };
+ $r->print(&start_data_table_row().''.$display.' | ');
+
+ $r->print(' | '.&end_data_table_row()."\n");
+ $i++;
+ }
+ $r->print(&end_data_table());
+ $i--;
+ return $i;
}
+
+######################################################
+######################################################
+
+=pod
+
+=item * &csv_samples_select_table($r,$records,$d)
+
+Prints a table of sample values from the upload and can make associate samples to internal names.
+
+$r is an Apache Request ref,
+$records is an arrayref from &Apache::loncommon::upfile_record_sep,
+$d is an array of 2 element arrays (internal name, displayed name)
+
+=cut
+
+######################################################
+######################################################
+sub csv_samples_select_table {
+ my ($r,$records,$d) = @_;
+ my $i=0;
+ #
+ my $max_samples = 5;
+ my $samples = &get_samples($records,$max_samples);
+ $r->print(&start_data_table().
+ &start_data_table_header_row().''.
+ &mt('Field').' | '.&mt('Samples').' | '.
+ &end_data_table_header_row());
+
+ foreach my $key (sort(keys(%{ $samples->[0] }))) {
+ $r->print(&start_data_table_row().' | ');
+ foreach my $line (0..($max_samples-1)) {
+ if (defined($samples->[$line]{$key})) {
+ $r->print($samples->[$line]{$key}."
\n");
+ }
+ }
+ $r->print(' | '.&end_data_table_row());
+ $i++;
+ }
+ $r->print(&end_data_table());
+ $i--;
+ return($i);
+}
+
+######################################################
+######################################################
+
+=pod
+
+=item * &clean_excel_name($name)
+
+Returns a replacement for $name which does not contain any illegal characters.
+
+=cut
+
+######################################################
+######################################################
+sub clean_excel_name {
+ my ($name) = @_;
+ $name =~ s/[:\*\?\/\\]//g;
+ if (length($name) > 31) {
+ $name = substr($name,0,31);
+ }
+ return $name;
+}
+
+=pod
+
+=item * &check_if_partid_hidden($id,$symb,$udom,$uname)
+
+Returns either 1 or undef
+
+1 if the part is to be hidden, undef if it is to be shown
+
+Arguments are:
+
+$id the id of the part to be checked
+$symb, optional the symb of the resource to check
+$udom, optional the domain of the user to check for
+$uname, optional the username of the user to check for
+
+=cut
+
+sub check_if_partid_hidden {
+ my ($id,$symb,$udom,$uname) = @_;
+ my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
+ $symb,$udom,$uname);
+ my $truth=1;
+ #if the string starts with !, then the list is the list to show not hide
+ if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
+ my @hiddenlist=split(/,/,$hiddenparts);
+ foreach my $checkid (@hiddenlist) {
+ if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
+ }
+ return !$truth;
+}
+
+
+############################################################
+############################################################
+
+=pod
+
+=back
+
+=head1 cgi-bin script and graphing routines
+
+=over 4
+
+=item * &get_cgi_id()
+
+Inputs: none
+
+Returns an id which can be used to pass environment variables
+to various cgi-bin scripts. These environment variables will
+be removed from the users environment after a given time by
+the routine &Apache::lonnet::transfer_profile_to_env.
+
+=cut
+
+############################################################
+############################################################
+my $uniq=0;
+sub get_cgi_id {
+ $uniq=($uniq+1)%100000;
+ return (time.'_'.$$.'_'.$uniq);
+}
+
+############################################################
+############################################################
+
+=pod
+
+=item * &DrawBarGraph()
+
+Facilitates the plotting of data in a (stacked) bar graph.
+Puts plot definition data into the users environment in order for
+graph.png to plot it. Returns an ![]()
tag for the plot.
+The bars on the plot are labeled '1','2',...,'n'.
+
+Inputs:
+
+=over 4
+
+=item $Title: string, the title of the plot
+
+=item $xlabel: string, text describing the X-axis of the plot
+
+=item $ylabel: string, text describing the Y-axis of the plot
+
+=item $Max: scalar, the maximum Y value to use in the plot
+If $Max is < any data point, the graph will not be rendered.
+
+=item $colors: array ref holding the colors to be used for the data sets when
+they are plotted. If undefined, default values will be used.
+
+=item $labels: array ref holding the labels to use on the x-axis for the bars.
+
+=item @Values: An array of array references. Each array reference holds data
+to be plotted in a stacked bar chart.
+
+=item If the final element of @Values is a hash reference the key/value
+pairs will be added to the graph definition.
+
+=back
+
+Returns:
+
+An ![]()
tag which references graph.png and the appropriate identifying
+information for the plot.
+
+=cut
+
+############################################################
+############################################################
+sub DrawBarGraph {
+ my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
+ #
+ if (! defined($colors)) {
+ $colors = ['#33ff00',
+ '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
+ '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
+ ];
+ }
+ my $extra_settings = {};
+ if (ref($Values[-1]) eq 'HASH') {
+ $extra_settings = pop(@Values);
+ }
+ #
+ my $identifier = &get_cgi_id();
+ my $id = 'cgi.'.$identifier;
+ if (! @Values || ref($Values[0]) ne 'ARRAY') {
+ return '';
+ }
+ #
+ my @Labels;
+ if (defined($labels)) {
+ @Labels = @$labels;
+ } else {
+ for (my $i=0;$i<@{$Values[0]};$i++) {
+ push (@Labels,$i+1);
+ }
+ }
+ #
+ my $NumBars = scalar(@{$Values[0]});
+ if ($NumBars < scalar(@Labels)) { $NumBars = scalar(@Labels); }
+ my %ValuesHash;
+ my $NumSets=1;
+ foreach my $array (@Values) {
+ next if (! ref($array));
+ $ValuesHash{$id.'.data.'.$NumSets++} =
+ join(',',@$array);
+ }
+ #
+ my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
+ if ($NumBars < 3) {
+ $width = 120+$NumBars*32;
+ $xskip = 1;
+ $bar_width = 30;
+ } elsif ($NumBars < 5) {
+ $width = 120+$NumBars*20;
+ $xskip = 1;
+ $bar_width = 20;
+ } elsif ($NumBars < 10) {
+ $width = 120+$NumBars*15;
+ $xskip = 1;
+ $bar_width = 15;
+ } elsif ($NumBars <= 25) {
+ $width = 120+$NumBars*11;
+ $xskip = 5;
+ $bar_width = 8;
+ } elsif ($NumBars <= 50) {
+ $width = 120+$NumBars*8;
+ $xskip = 5;
+ $bar_width = 4;
+ } else {
+ $width = 120+$NumBars*8;
+ $xskip = 5;
+ $bar_width = 4;
+ }
+ #
+ $Max = 1 if ($Max < 1);
+ if ( int($Max) < $Max ) {
+ $Max++;
+ $Max = int($Max);
+ }
+ $Title = '' if (! defined($Title));
+ $xlabel = '' if (! defined($xlabel));
+ $ylabel = '' if (! defined($ylabel));
+ $ValuesHash{$id.'.title'} = &escape($Title);
+ $ValuesHash{$id.'.xlabel'} = &escape($xlabel);
+ $ValuesHash{$id.'.ylabel'} = &escape($ylabel);
+ $ValuesHash{$id.'.y_max_value'} = $Max;
+ $ValuesHash{$id.'.NumBars'} = $NumBars;
+ $ValuesHash{$id.'.NumSets'} = $NumSets;
+ $ValuesHash{$id.'.PlotType'} = 'bar';
+ $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
+ $ValuesHash{$id.'.height'} = $height;
+ $ValuesHash{$id.'.width'} = $width;
+ $ValuesHash{$id.'.xskip'} = $xskip;
+ $ValuesHash{$id.'.bar_width'} = $bar_width;
+ $ValuesHash{$id.'.labels'} = join(',',@Labels);
+ #
+ # Deal with other parameters
+ while (my ($key,$value) = each(%$extra_settings)) {
+ $ValuesHash{$id.'.'.$key} = $value;
+ }
+ #
+ &Apache::lonnet::appenv(\%ValuesHash);
+ return '
';
+}
+
+############################################################
+############################################################
+
+=pod
+
+=item * &DrawXYGraph()
+
+Facilitates the plotting of data in an XY graph.
+Puts plot definition data into the users environment in order for
+graph.png to plot it. Returns an ![]()
tag for the plot.
+
+Inputs:
+
+=over 4
+
+=item $Title: string, the title of the plot
+
+=item $xlabel: string, text describing the X-axis of the plot
+
+=item $ylabel: string, text describing the Y-axis of the plot
+
+=item $Max: scalar, the maximum Y value to use in the plot
+If $Max is < any data point, the graph will not be rendered.
+
+=item $colors: Array ref containing the hex color codes for the data to be
+plotted in. If undefined, default values will be used.
+
+=item $Xlabels: Array ref containing the labels to be used for the X-axis.
+
+=item $Ydata: Array ref containing Array refs.
+Each of the contained arrays will be plotted as a separate curve.
+
+=item %Values: hash indicating or overriding any default values which are
+passed to graph.png.
+Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
+
+=back
+
+Returns:
+
+An ![]()
tag which references graph.png and the appropriate identifying
+information for the plot.
+
+=cut
+
+############################################################
+############################################################
+sub DrawXYGraph {
+ my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
+ #
+ # Create the identifier for the graph
+ my $identifier = &get_cgi_id();
+ my $id = 'cgi.'.$identifier;
+ #
+ $Title = '' if (! defined($Title));
+ $xlabel = '' if (! defined($xlabel));
+ $ylabel = '' if (! defined($ylabel));
+ my %ValuesHash =
+ (
+ $id.'.title' => &escape($Title),
+ $id.'.xlabel' => &escape($xlabel),
+ $id.'.ylabel' => &escape($ylabel),
+ $id.'.y_max_value'=> $Max,
+ $id.'.labels' => join(',',@$Xlabels),
+ $id.'.PlotType' => 'XY',
+ );
+ #
+ if (defined($colors) && ref($colors) eq 'ARRAY') {
+ $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
+ }
+ #
+ if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
+ return '';
+ }
+ my $NumSets=1;
+ foreach my $array (@{$Ydata}){
+ next if (! ref($array));
+ $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
+ }
+ $ValuesHash{$id.'.NumSets'} = $NumSets-1;
+ #
+ # Deal with other parameters
+ while (my ($key,$value) = each(%Values)) {
+ $ValuesHash{$id.'.'.$key} = $value;
+ }
+ #
+ &Apache::lonnet::appenv(\%ValuesHash);
+ return '';
+}
+
+############################################################
+############################################################
+
+=pod
+
+=item * &DrawXYYGraph()
+
+Facilitates the plotting of data in an XY graph with two Y axes.
+Puts plot definition data into the users environment in order for
+graph.png to plot it. Returns an ![]()
tag for the plot.
+
+Inputs:
+
+=over 4
+
+=item $Title: string, the title of the plot
+
+=item $xlabel: string, text describing the X-axis of the plot
+
+=item $ylabel: string, text describing the Y-axis of the plot
+
+=item $colors: Array ref containing the hex color codes for the data to be
+plotted in. If undefined, default values will be used.
+
+=item $Xlabels: Array ref containing the labels to be used for the X-axis.
+
+=item $Ydata1: The first data set
+
+=item $Min1: The minimum value of the left Y-axis
+
+=item $Max1: The maximum value of the left Y-axis
+
+=item $Ydata2: The second data set
+
+=item $Min2: The minimum value of the right Y-axis
+
+=item $Max2: The maximum value of the left Y-axis
+
+=item %Values: hash indicating or overriding any default values which are
+passed to graph.png.
+Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
+
+=back
+
+Returns:
+
+An ![]()
tag which references graph.png and the appropriate identifying
+information for the plot.
+
+=cut
+
+############################################################
+############################################################
+sub DrawXYYGraph {
+ my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
+ $Ydata2,$Min2,$Max2,%Values)=@_;
+ #
+ # Create the identifier for the graph
+ my $identifier = &get_cgi_id();
+ my $id = 'cgi.'.$identifier;
+ #
+ $Title = '' if (! defined($Title));
+ $xlabel = '' if (! defined($xlabel));
+ $ylabel = '' if (! defined($ylabel));
+ my %ValuesHash =
+ (
+ $id.'.title' => &escape($Title),
+ $id.'.xlabel' => &escape($xlabel),
+ $id.'.ylabel' => &escape($ylabel),
+ $id.'.labels' => join(',',@$Xlabels),
+ $id.'.PlotType' => 'XY',
+ $id.'.NumSets' => 2,
+ $id.'.two_axes' => 1,
+ $id.'.y1_max_value' => $Max1,
+ $id.'.y1_min_value' => $Min1,
+ $id.'.y2_max_value' => $Max2,
+ $id.'.y2_min_value' => $Min2,
+ );
+ #
+ if (defined($colors) && ref($colors) eq 'ARRAY') {
+ $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
+ }
+ #
+ if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
+ ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
+ return '';
+ }
+ my $NumSets=1;
+ foreach my $array ($Ydata1,$Ydata2){
+ next if (! ref($array));
+ $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
+ }
+ #
+ # Deal with other parameters
+ while (my ($key,$value) = each(%Values)) {
+ $ValuesHash{$id.'.'.$key} = $value;
+ }
+ #
+ &Apache::lonnet::appenv(\%ValuesHash);
+ return '';
+}
+
+############################################################
+############################################################
+
+=pod
+
+=back
+
+=head1 Statistics helper routines?
+
+Bad place for them but what the hell.
+
+=over 4
+
+=item * &chartlink()
+
+Returns a link to the chart for a specific student.
+
+Inputs:
+
+=over 4
+
+=item $linktext: The text of the link
+
+=item $sname: The students username
+
+=item $sdomain: The students domain
+
+=back
+
+=back
+
+=cut
+
+############################################################
+############################################################
+sub chartlink {
+ my ($linktext, $sname, $sdomain) = @_;
+ my $link = ''.$linktext.'';
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=head1 Course Environment Routines
+
+=over 4
+
+=item * &restore_course_settings()
+
+=item * &store_course_settings()
+
+Restores/Store indicated form parameters from the course environment.
+Will not overwrite existing values of the form parameters.
+
+Inputs:
+a scalar describing the data (e.g. 'chart', 'problem_analysis')
+
+a hash ref describing the data to be stored. For example:
+
+%Save_Parameters = ('Status' => 'scalar',
+ 'chartoutputmode' => 'scalar',
+ 'chartoutputdata' => 'scalar',
+ 'Section' => 'array',
+ 'Group' => 'array',
+ 'StudentData' => 'array',
+ 'Maps' => 'array');
+
+Returns: both routines return nothing
+
+=back
+
+=cut
+
+#######################################################
+#######################################################
+sub store_course_settings {
+ return &store_settings($env{'request.course.id'},@_);
+}
+
+sub store_settings {
+ # save to the environment
+ # appenv the same items, just to be safe
+ my $udom = $env{'user.domain'};
+ my $uname = $env{'user.name'};
+ my ($context,$prefix,$Settings) = @_;
+ my %SaveHash;
+ my %AppHash;
+ while (my ($setting,$type) = each(%$Settings)) {
+ my $basename = join('.','internal',$context,$prefix,$setting);
+ my $envname = 'environment.'.$basename;
+ if (exists($env{'form.'.$setting})) {
+ # Save this value away
+ if ($type eq 'scalar' &&
+ (! exists($env{$envname}) ||
+ $env{$envname} ne $env{'form.'.$setting})) {
+ $SaveHash{$basename} = $env{'form.'.$setting};
+ $AppHash{$envname} = $env{'form.'.$setting};
+ } elsif ($type eq 'array') {
+ my $stored_form;
+ if (ref($env{'form.'.$setting})) {
+ $stored_form = join(',',
+ map {
+ &escape($_);
+ } sort(@{$env{'form.'.$setting}}));
+ } else {
+ $stored_form =
+ &escape($env{'form.'.$setting});
+ }
+ # Determine if the array contents are the same.
+ if ($stored_form ne $env{$envname}) {
+ $SaveHash{$basename} = $stored_form;
+ $AppHash{$envname} = $stored_form;
+ }
+ }
+ }
+ }
+ my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
+ $udom,$uname);
+ if ($put_result !~ /^(ok|delayed)/) {
+ &Apache::lonnet::logthis('unable to save form parameters, '.
+ 'got error:'.$put_result);
+ }
+ # Make sure these settings stick around in this session, too
+ &Apache::lonnet::appenv(\%AppHash);
+ return;
+}
+
+sub restore_course_settings {
+ return &restore_settings($env{'request.course.id'},@_);
+}
+
+sub restore_settings {
+ my ($context,$prefix,$Settings) = @_;
+ while (my ($setting,$type) = each(%$Settings)) {
+ next if (exists($env{'form.'.$setting}));
+ my $envname = 'environment.internal.'.$context.'.'.$prefix.
+ '.'.$setting;
+ if (exists($env{$envname})) {
+ if ($type eq 'scalar') {
+ $env{'form.'.$setting} = $env{$envname};
+ } elsif ($type eq 'array') {
+ $env{'form.'.$setting} = [
+ map {
+ &unescape($_);
+ } split(',',$env{$envname})
+ ];
+ }
+ }
+ }
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=head1 Domain E-mail Routines
+
+=over 4
+
+=item * &build_recipient_list()
+
+Build recipient lists for five types of e-mail:
+(a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors
+(d) Help requests, (e) Course requests needing approval, generated by
+lonerrorhandler.pm, CHECKRPMS, loncron, lonsupportreq.pm and
+loncoursequeueadmin.pm respectively.
+
+Inputs:
+defmail (scalar - email address of default recipient),
+mailing type (scalar - errormail, packagesmail, or helpdeskmail),
+defdom (domain for which to retrieve configuration settings),
+origmail (scalar - email address of recipient from loncapa.conf,
+i.e., predates configuration by DC via domainprefs.pm
+
+Returns: comma separated list of addresses to which to send e-mail.
+
+=back
+
+=cut
+
+############################################################
+############################################################
+sub build_recipient_list {
+ my ($defmail,$mailing,$defdom,$origmail) = @_;
+ my @recipients;
+ my $otheremails;
+ my %domconfig =
+ &Apache::lonnet::get_dom('configuration',['contacts'],$defdom);
+ if (ref($domconfig{'contacts'}) eq 'HASH') {
+ if (exists($domconfig{'contacts'}{$mailing})) {
+ if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') {
+ my @contacts = ('adminemail','supportemail');
+ foreach my $item (@contacts) {
+ if ($domconfig{'contacts'}{$mailing}{$item}) {
+ my $addr = $domconfig{'contacts'}{$item};
+ if (!grep(/^\Q$addr\E$/,@recipients)) {
+ push(@recipients,$addr);
+ }
+ }
+ $otheremails = $domconfig{'contacts'}{$mailing}{'others'};
+ }
+ }
+ } elsif ($origmail ne '') {
+ push(@recipients,$origmail);
+ }
+ } elsif ($origmail ne '') {
+ push(@recipients,$origmail);
+ }
+ if (defined($defmail)) {
+ if ($defmail ne '') {
+ push(@recipients,$defmail);
+ }
+ }
+ if ($otheremails) {
+ my @others;
+ if ($otheremails =~ /,/) {
+ @others = split(/,/,$otheremails);
+ } else {
+ push(@others,$otheremails);
+ }
+ foreach my $addr (@others) {
+ if (!grep(/^\Q$addr\E$/,@recipients)) {
+ push(@recipients,$addr);
+ }
+ }
+ }
+ my $recipientlist = join(',',@recipients);
+ return $recipientlist;
+}
+
+############################################################
+############################################################
+
+=pod
+
+=head1 Course Catalog Routines
+
+=over 4
+
+=item * &gather_categories()
+
+Converts category definitions - keys of categories hash stored in
+coursecategories in configuration.db on the primary library server in a
+domain - to an array. Also generates javascript and idx hash used to
+generate Domain Coordinator interface for editing Course Categories.
+
+Inputs:
+
+categories (reference to hash of category definitions).
+
+cats (reference to array of arrays/hashes which encapsulates hierarchy of
+ categories and subcategories).
+
+idx (reference to hash of counters used in Domain Coordinator interface for
+ editing Course Categories).
+
+jsarray (reference to array of categories used to create Javascript arrays for
+ Domain Coordinator interface for editing Course Categories).
+
+Returns: nothing
+
+Side effects: populates cats, idx and jsarray.
+
+=cut
+
+sub gather_categories {
+ my ($categories,$cats,$idx,$jsarray) = @_;
+ my %counters;
+ my $num = 0;
+ foreach my $item (keys(%{$categories})) {
+ my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
+ if ($container eq '' && $depth == 0) {
+ $cats->[$depth][$categories->{$item}] = $cat;
+ } else {
+ $cats->[$depth]{$container}[$categories->{$item}] = $cat;
+ }
+ my ($escitem,$tail) = split(/:/,$item,2);
+ if ($counters{$tail} eq '') {
+ $counters{$tail} = $num;
+ $num ++;
+ }
+ if (ref($idx) eq 'HASH') {
+ $idx->{$item} = $counters{$tail};
+ }
+ if (ref($jsarray) eq 'ARRAY') {
+ push(@{$jsarray->[$counters{$tail}]},$item);
+ }
+ }
+ return;
+}
+
+=pod
+
+=item * &extract_categories()
+
+Used to generate breadcrumb trails for course categories.
+
+Inputs:
+
+categories (reference to hash of category definitions).
+
+cats (reference to array of arrays/hashes which encapsulates hierarchy of
+ categories and subcategories).
+
+trails (reference to array of breacrumb trails for each category).
+
+allitems (reference to hash - key is category key
+ (format: escaped(name):escaped(parent category):depth in hierarchy).
+
+idx (reference to hash of counters used in Domain Coordinator interface for
+ editing Course Categories).
+
+jsarray (reference to array of categories used to create Javascript arrays for
+ Domain Coordinator interface for editing Course Categories).
+
+subcats (reference to hash of arrays containing all subcategories within each
+ category, -recursive)
+
+Returns: nothing
+
+Side effects: populates trails and allitems hash references.
+
+=cut
+
+sub extract_categories {
+ my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
+ if (ref($categories) eq 'HASH') {
+ &gather_categories($categories,$cats,$idx,$jsarray);
+ if (ref($cats->[0]) eq 'ARRAY') {
+ for (my $i=0; $i<@{$cats->[0]}; $i++) {
+ my $name = $cats->[0][$i];
+ my $item = &escape($name).'::0';
+ my $trailstr;
+ if ($name eq 'instcode') {
+ $trailstr = &mt('Official courses (with institutional codes)');
+ } elsif ($name eq 'communities') {
+ $trailstr = &mt('Communities');
+ } else {
+ $trailstr = $name;
+ }
+ if ($allitems->{$item} eq '') {
+ push(@{$trails},$trailstr);
+ $allitems->{$item} = scalar(@{$trails})-1;
+ }
+ my @parents = ($name);
+ if (ref($cats->[1]{$name}) eq 'ARRAY') {
+ for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
+ my $category = $cats->[1]{$name}[$j];
+ if (ref($subcats) eq 'HASH') {
+ push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
+ }
+ &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
+ }
+ } else {
+ if (ref($subcats) eq 'HASH') {
+ $subcats->{$item} = [];
+ }
+ }
+ }
+ }
+ }
+ return;
+}
+
+=pod
+
+=item *&recurse_categories()
+
+Recursively used to generate breadcrumb trails for course categories.
+
+Inputs:
+
+cats (reference to array of arrays/hashes which encapsulates hierarchy of
+ categories and subcategories).
+
+depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
+
+category (current course category, for which breadcrumb trail is being generated).
+
+trails (reference to array of breadcrumb trails for each category).
+
+allitems (reference to hash - key is category key
+ (format: escaped(name):escaped(parent category):depth in hierarchy).
+
+parents (array containing containers directories for current category,
+ back to top level).
+
+Returns: nothing
+
+Side effects: populates trails and allitems hash references
+
+=cut
+
+sub recurse_categories {
+ my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
+ my $shallower = $depth - 1;
+ if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
+ for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
+ my $name = $cats->[$depth]{$category}[$k];
+ my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
+ my $trailstr = join(' -> ',(@{$parents},$category));
+ if ($allitems->{$item} eq '') {
+ push(@{$trails},$trailstr);
+ $allitems->{$item} = scalar(@{$trails})-1;
+ }
+ my $deeper = $depth+1;
+ push(@{$parents},$category);
+ if (ref($subcats) eq 'HASH') {
+ my $subcat = &escape($name).':'.$category.':'.$depth;
+ for (my $j=@{$parents}; $j>=0; $j--) {
+ my $higher;
+ if ($j > 0) {
+ $higher = &escape($parents->[$j]).':'.
+ &escape($parents->[$j-1]).':'.$j;
+ } else {
+ $higher = &escape($parents->[$j]).'::'.$j;
+ }
+ push(@{$subcats->{$higher}},$subcat);
+ }
+ }
+ &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
+ $subcats);
+ pop(@{$parents});
+ }
+ } else {
+ my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
+ my $trailstr = join(' -> ',(@{$parents},$category));
+ if ($allitems->{$item} eq '') {
+ push(@{$trails},$trailstr);
+ $allitems->{$item} = scalar(@{$trails})-1;
+ }
+ }
+ return;
+}
+
+=pod
+
+=item *&assign_categories_table()
+
+Create a datatable for display of hierarchical categories in a domain,
+with checkboxes to allow a course to be categorized.
+
+Inputs:
+
+cathash - reference to hash of categories defined for the domain (from
+ configuration.db)
+
+currcat - scalar with an & separated list of categories assigned to a course.
+
+type - scalar contains course type (Course or Community).
+
+Returns: $output (markup to be displayed)
+
+=cut
+
+sub assign_categories_table {
+ my ($cathash,$currcat,$type) = @_;
+ my $output;
+ if (ref($cathash) eq 'HASH') {
+ my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
+ &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
+ $maxdepth = scalar(@cats);
+ if (@cats > 0) {
+ my $itemcount = 0;
+ if (ref($cats[0]) eq 'ARRAY') {
+ my @currcategories;
+ if ($currcat ne '') {
+ @currcategories = split('&',$currcat);
+ }
+ my $table;
+ for (my $i=0; $i<@{$cats[0]}; $i++) {
+ my $parent = $cats[0][$i];
+ next if ($parent eq 'instcode');
+ if ($type eq 'Community') {
+ next unless ($parent eq 'communities');
+ } else {
+ next if ($parent eq 'communities');
+ }
+ my $css_class = $itemcount%2?' class="LC_odd_row"':'';
+ my $item = &escape($parent).'::0';
+ my $checked = '';
+ if (@currcategories > 0) {
+ if (grep(/^\Q$item\E$/,@currcategories)) {
+ $checked = ' checked="checked"';
+ }
+ }
+ my $parent_title = $parent;
+ if ($parent eq 'communities') {
+ $parent_title = &mt('Communities');
+ }
+ $table .= '| '.
+ ''.$parent_title.''.
+ ' | ';
+ my $depth = 1;
+ push(@path,$parent);
+ $table .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
+ pop(@path);
+ $table .= '
|
';
+ $itemcount ++;
+ }
+ if ($itemcount) {
+ $output = &Apache::loncommon::start_data_table().
+ $table.
+ &Apache::loncommon::end_data_table();
+ }
+ }
+ }
+ }
+ return $output;
+}
+
+=pod
+
+=item *&assign_category_rows()
+
+Create a datatable row for display of nested categories in a domain,
+with checkboxes to allow a course to be categorized,called recursively.
+
+Inputs:
+
+itemcount - track row number for alternating colors
+
+cats - reference to array of arrays/hashes which encapsulates hierarchy of
+ categories and subcategories.
+
+depth - current depth in hierarchy of categories and sub-categories - 0 indexed.
+
+parent - parent of current category item
+
+path - Array containing all categories back up through the hierarchy from the
+ current category to the top level.
+
+currcategories - reference to array of current categories assigned to the course
+
+Returns: $output (markup to be displayed).
+
+=cut
+
+sub assign_category_rows {
+ my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
+ my ($text,$name,$item,$chgstr);
+ if (ref($cats) eq 'ARRAY') {
+ my $maxdepth = scalar(@{$cats});
+ if (ref($cats->[$depth]) eq 'HASH') {
+ if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
+ my $numchildren = @{$cats->[$depth]{$parent}};
+ my $css_class = $itemcount%2?' class="LC_odd_row"':'';
+ $text .= ' | ';
+ }
+ }
+ }
+ return $text;
+}
+
+############################################################
+############################################################
+
+
+sub commit_customrole {
+ my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
+ my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
+ ($start?', '.&mt('starting').' '.localtime($start):'').
+ ($end?', ending '.localtime($end):'').': '.
+ &Apache::lonnet::assigncustomrole(
+ $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
+ '
';
+ return $output;
+}
+
+sub commit_standardrole {
+ my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+ my ($output,$logmsg,$linefeed);
+ if ($context eq 'auto') {
+ $linefeed = "\n";
+ } else {
+ $linefeed = "
\n";
+ }
+ if ($three eq 'st') {
+ my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
+ $one,$two,$sec,$context);
+ if (($result =~ /^error/) || ($result eq 'not_in_class') ||
+ ($result eq 'unknown_course') || ($result eq 'refused')) {
+ $output = $logmsg.' '.&mt('Error: ').$result."\n";
+ } else {
+ $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url.
+ ($start?', '.&mt('starting').' '.localtime($start):'').
+ ($end?', '.&mt('ending').' '.localtime($end):'').': ';
+ if ($context eq 'auto') {
+ $output .= $result.$linefeed.&mt('Add to classlist').': ok';
+ } else {
+ $output .= ''.$result.''.$linefeed.
+ &mt('Add to classlist').': ok';
+ }
+ $output .= $linefeed;
+ }
+ } else {
+ $output = &mt('Assigning').' '.$three.' in '.$url.
+ ($start?', '.&mt('starting').' '.localtime($start):'').
+ ($end?', '.&mt('ending').' '.localtime($end):'').': ';
+ my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
+ if ($context eq 'auto') {
+ $output .= $result.$linefeed;
+ } else {
+ $output .= ''.$result.''.$linefeed;
+ }
+ }
+ return $output;
+}
+
+sub commit_studentrole {
+ my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+ my ($result,$linefeed,$oldsecurl,$newsecurl);
+ if ($context eq 'auto') {
+ $linefeed = "\n";
+ } else {
+ $linefeed = '
'."\n";
+ }
+ if (defined($one) && defined($two)) {
+ my $cid=$one.'_'.$two;
+ my $oldsec=&Apache::lonnet::getsection($udom,$uname,$cid);
+ my $secchange = 0;
+ my $expire_role_result;
+ my $modify_section_result;
+ if ($oldsec ne '-1') {
+ if ($oldsec ne $sec) {
+ $secchange = 1;
+ my $now = time;
+ my $uurl='/'.$cid;
+ $uurl=~s/\_/\//g;
+ if ($oldsec) {
+ $uurl.='/'.$oldsec;
+ }
+ $oldsecurl = $uurl;
+ $expire_role_result =
+ &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
+ if ($env{'request.course.sec'} ne '') {
+ if ($expire_role_result eq 'refused') {
+ my @roles = ('st');
+ my @statuses = ('previous');
+ my @roledoms = ($one);
+ my $withsec = 1;
+ my %roleshash =
+ &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
+ \@statuses,\@roles,\@roledoms,$withsec);
+ if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) {
+ my ($oldstart,$oldend) =
+ split(':',$roleshash{$two.':'.$one.':st:'.$oldsec});
+ if ($oldend > 0 && $oldend <= $now) {
+ $expire_role_result = 'ok';
+ }
+ }
+ }
+ }
+ $result = $expire_role_result;
+ }
+ }
+ if (($expire_role_result eq 'ok') || ($secchange == 0)) {
+ $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
+ if ($modify_section_result =~ /^ok/) {
+ if ($secchange == 1) {
+ if ($sec eq '') {
+ $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed;
+ } else {
+ $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed;
+ }
+ } elsif ($oldsec eq '-1') {
+ if ($sec eq '') {
+ $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed;
+ } else {
+ $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
+ }
+ } else {
+ if ($sec eq '') {
+ $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed;
+ } else {
+ $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed;
+ }
+ }
+ } else {
+ if ($secchange) {
+ $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
+ } else {
+ $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
+ }
+ }
+ $result = $modify_section_result;
+ } elsif ($secchange == 1) {
+ if ($oldsec eq '') {
+ $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed;
+ } else {
+ $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed;
+ }
+ if ($expire_role_result eq 'refused') {
+ my $newsecurl = '/'.$cid;
+ $newsecurl =~ s/\_/\//g;
+ if ($sec ne '') {
+ $newsecurl.='/'.$sec;
+ }
+ if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) {
+ if ($sec eq '') {
+ $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed;
+ } else {
+ $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed;
+ }
+ }
+ }
+ }
+ } else {
+ $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed;
+ $result = "error: incomplete course id\n";
+ }
+ return $result;
+}
+
+############################################################
+############################################################
+
+sub check_clone {
+ my ($args,$linefeed) = @_;
+ my $cloneid='/'.$args->{'clonedomain'}.'/'.$args->{'clonecourse'};
+ my ($clonecrsudom,$clonecrsunum)= &LONCAPA::split_courseid($cloneid);
+ my $clonehome=&Apache::lonnet::homeserver($clonecrsunum,$clonecrsudom);
+ my $clonemsg;
+ my $can_clone = 0;
+ my $lctype = lc($args->{'crstype'});
+ if ($lctype ne 'community') {
+ $lctype = 'course';
+ }
+ if ($clonehome eq 'no_host') {
+ if ($args->{'crstype'} eq 'Community') {
+ $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a non-existent community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+ } else {
+ $clonemsg = &mt('No new course created.').$linefeed.&mt('A new course could not be cloned from the specified original - [_1] - because it is a non-existent course.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+ }
+ } else {
+ my %clonedesc = &Apache::lonnet::coursedescription($cloneid,{'one_time' => 1});
+ if ($args->{'crstype'} eq 'Community') {
+ if ($clonedesc{'type'} ne 'Community') {
+ $clonemsg = &mt('No new community created.').$linefeed.&mt('A new community could not be cloned from the specified original - [_1] - because it is a course not a community.',$args->{'clonecourse'}.':'.$args->{'clonedomain'});
+ return ($can_clone, $clonemsg, $cloneid, $clonehome);
+ }
+ }
+ if (($env{'request.role.domain'} eq $args->{'clonedomain'}) &&
+ (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'}))) {
+ $can_clone = 1;
+ } else {
+ my %clonehash = &Apache::lonnet::get('environment',['cloners'],
+ $args->{'clonedomain'},$args->{'clonecourse'});
+ my @cloners = split(/,/,$clonehash{'cloners'});
+ if (grep(/^\*$/,@cloners)) {
+ $can_clone = 1;
+ } elsif (grep(/^\*\:\Q$args->{'ccdomain'}\E$/,@cloners)) {
+ $can_clone = 1;
+ } else {
+ my $ccrole = 'cc';
+ if ($args->{'crstype'} eq 'Community') {
+ $ccrole = 'co';
+ }
+ my %roleshash =
+ &Apache::lonnet::get_my_roles($args->{'ccuname'},
+ $args->{'ccdomain'},
+ 'userroles',['active'],[$ccrole],
+ [$args->{'clonedomain'}]);
+ if (($roleshash{$args->{'clonecourse'}.':'.$args->{'clonedomain'}.':'.$ccrole}) || (grep(/^\Q$args->{'ccuname'}\E:\Q$args->{'ccdomain'}\E$/,@cloners))) {
+ $can_clone = 1;
+ } elsif (&Apache::lonnet::is_course_owner($args->{'clonedomain'},$args->{'clonecourse'},$args->{'ccuname'},$args->{'ccdomain'})) {
+ $can_clone = 1;
+ } else {
+ if ($args->{'crstype'} eq 'Community') {
+ $clonemsg = &mt('No new community created.').$linefeed.&mt('The new community could not be cloned from the existing community because the new community owner ([_1]) does not have cloning rights in the existing community ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+ } else {
+ $clonemsg = &mt('No new course created.').$linefeed.&mt('The new course could not be cloned from the existing course because the new course owner ([_1]) does not have cloning rights in the existing course ([_2]).',$args->{'ccuname'}.':'.$args->{'ccdomain'},$clonedesc{'description'});
+ }
+ }
+ }
+ }
+ }
+ return ($can_clone, $clonemsg, $cloneid, $clonehome);
+}
+
+sub construct_course {
+ my ($args,$logmsg,$courseid,$crsudom,$crsunum,$udom,$uname,$context,$cnum,$category) = @_;
+ my $outcome;
+ my $linefeed = '
'."\n";
+ if ($context eq 'auto') {
+ $linefeed = "\n";
+ }
+
+#
+# Are we cloning?
+#
+ my ($can_clone, $clonemsg, $cloneid, $clonehome);
+ if (($args->{'clonecourse'}) && ($args->{'clonedomain'})) {
+ ($can_clone, $clonemsg, $cloneid, $clonehome) = &check_clone($args,$linefeed);
+ if ($context ne 'auto') {
+ if ($clonemsg ne '') {
+ $clonemsg = ''.$clonemsg.'';
+ }
+ }
+ $outcome .= $clonemsg.$linefeed;
+
+ if (!$can_clone) {
+ return (0,$outcome);
+ }
+ }
+
+#
+# Open course
+#
+ my $crstype = lc($args->{'crstype'});
+ my %cenv=();
+ $$courseid=&Apache::lonnet::createcourse($args->{'course_domain'},
+ $args->{'cdescr'},
+ $args->{'curl'},
+ $args->{'course_home'},
+ $args->{'nonstandard'},
+ $args->{'crscode'},
+ $args->{'ccuname'}.':'.
+ $args->{'ccdomain'},
+ $args->{'crstype'},
+ $cnum,$context,$category);
+
+ # Note: The testing routines depend on this being output; see
+ # Utils::Course. This needs to at least be output as a comment
+ # if anyone ever decides to not show this, and Utils::Course::new
+ # will need to be suitably modified.
+ $outcome .= &mt('New LON-CAPA [_1] ID: [_2]',$crstype,$$courseid).$linefeed;
+ if ($$courseid =~ /^error:/) {
+ return (0,$outcome);
+ }
+
+#
+# Check if created correctly
+#
+ ($$crsudom,$$crsunum)= &LONCAPA::split_courseid($$courseid);
+ my $crsuhome=&Apache::lonnet::homeserver($$crsunum,$$crsudom);
+ if ($crsuhome eq 'no_host') {
+ $outcome .= &mt('Course creation failed, unrecognized course home server.').$linefeed;
+ return (0,$outcome);
+ }
+ $outcome .= &mt('Created on').': '.$crsuhome.$linefeed;
+
+#
+# Do the cloning
+#
+ if ($can_clone && $cloneid) {
+ $clonemsg = &mt('Cloning [_1] from [_2]',$crstype,$clonehome);
+ if ($context ne 'auto') {
+ $clonemsg = ''.$clonemsg.'';
+ }
+ $outcome .= $clonemsg.$linefeed;
+ my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
+# Copy all files
+ &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
+# Restore URL
+ $cenv{'url'}=$oldcenv{'url'};
+# Restore title
+ $cenv{'description'}=$oldcenv{'description'};
+# Restore creation date, creator and creation context.
+ $cenv{'internal.created'}=$oldcenv{'internal.created'};
+ $cenv{'internal.creator'}=$oldcenv{'internal.creator'};
+ $cenv{'internal.creationcontext'}=$oldcenv{'internal.creationcontext'};
+# Mark as cloned
+ $cenv{'clonedfrom'}=$cloneid;
+# Need to clone grading mode
+ my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum);
+ $cenv{'grading'}=$newenv{'grading'};
+# Do not clone these environment entries
+ &Apache::lonnet::del('environment',
+ ['default_enrollment_start_date',
+ 'default_enrollment_end_date',
+ 'question.email',
+ 'policy.email',
+ 'comment.email',
+ 'pch.users.denied',
+ 'plc.users.denied',
+ 'hidefromcat',
+ 'categories'],
+ $$crsudom,$$crsunum);
+ }
+
+#
+# Set environment (will override cloned, if existing)
+#
+ my @sections = ();
+ my @xlists = ();
+ if ($args->{'crstype'}) {
+ $cenv{'type'}=$args->{'crstype'};
+ }
+ if ($args->{'crsid'}) {
+ $cenv{'courseid'}=$args->{'crsid'};
+ }
+ if ($args->{'crscode'}) {
+ $cenv{'internal.coursecode'}=$args->{'crscode'};
+ }
+ if ($args->{'crsquota'} ne '') {
+ $cenv{'internal.coursequota'}=$args->{'crsquota'};
+ } else {
+ $cenv{'internal.coursequota'}=$args->{'crsquota'} = 20;
+ }
+ if ($args->{'ccuname'}) {
+ $cenv{'internal.courseowner'} = $args->{'ccuname'}.
+ ':'.$args->{'ccdomain'};
+ } else {
+ $cenv{'internal.courseowner'} = $args->{'curruser'};
+ }
+ my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
+ if ($args->{'crssections'}) {
+ $cenv{'internal.sectionnums'} = '';
+ if ($args->{'crssections'} =~ m/,/) {
+ @sections = split/,/,$args->{'crssections'};
+ } else {
+ $sections[0] = $args->{'crssections'};
+ }
+ if (@sections > 0) {
+ foreach my $item (@sections) {
+ my ($sec,$gp) = split/:/,$item;
+ my $class = $args->{'crscode'}.$sec;
+ my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$class,$cenv{'internal.courseowner'});
+ $cenv{'internal.sectionnums'} .= $item.',';
+ unless ($addcheck eq 'ok') {
+ push @badclasses, $class;
+ }
+ }
+ $cenv{'internal.sectionnums'} =~ s/,$//;
+ }
+ }
+# do not hide course coordinator from staff listing,
+# even if privileged
+ $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
+# add crosslistings
+ if ($args->{'crsxlist'}) {
+ $cenv{'internal.crosslistings'}='';
+ if ($args->{'crsxlist'} =~ m/,/) {
+ @xlists = split/,/,$args->{'crsxlist'};
+ } else {
+ $xlists[0] = $args->{'crsxlist'};
+ }
+ if (@xlists > 0) {
+ foreach my $item (@xlists) {
+ my ($xl,$gp) = split/:/,$item;
+ my $addcheck = &Apache::lonnet::auto_new_course($$crsunum,$$crsudom,$xl,$cenv{'internal.courseowner'});
+ $cenv{'internal.crosslistings'} .= $item.',';
+ unless ($addcheck eq 'ok') {
+ push @badclasses, $xl;
+ }
+ }
+ $cenv{'internal.crosslistings'} =~ s/,$//;
+ }
+ }
+ if ($args->{'autoadds'}) {
+ $cenv{'internal.autoadds'}=$args->{'autoadds'};
+ }
+ if ($args->{'autodrops'}) {
+ $cenv{'internal.autodrops'}=$args->{'autodrops'};
+ }
+# check for notification of enrollment changes
+ my @notified = ();
+ if ($args->{'notify_owner'}) {
+ if ($args->{'ccuname'} ne '') {
+ push(@notified,$args->{'ccuname'}.':'.$args->{'ccdomain'});
+ }
+ }
+ if ($args->{'notify_dc'}) {
+ if ($uname ne '') {
+ push(@notified,$uname.':'.$udom);
+ }
+ }
+ if (@notified > 0) {
+ my $notifylist;
+ if (@notified > 1) {
+ $notifylist = join(',',@notified);
+ } else {
+ $notifylist = $notified[0];
+ }
+ $cenv{'internal.notifylist'} = $notifylist;
+ }
+ if (@badclasses > 0) {
+ my %lt=&Apache::lonlocal::texthash(
+ 'tclb' => 'The courses listed below were included as sections or crosslistings affiliated with your new LON-CAPA course. However, if automated course roster updates are enabled for this class, these particular sections/crosslistings will not contribute towards enrollment, because the user identified as the course owner for this LON-CAPA course',
+ 'dnhr' => 'does not have rights to access enrollment in these classes',
+ 'adby' => 'as determined by the policies of your institution on access to official classlists'
+ );
+ my $badclass_msg = $cenv{'internal.courseowner'}.') - '.$lt{'dnhr'}.
+ ' ('.$lt{'adby'}.')';
+ if ($context eq 'auto') {
+ $outcome .= $badclass_msg.$linefeed;
+ $outcome .= ''.$badclass_msg.$linefeed.'
'."\n";
+ foreach my $item (@badclasses) {
+ if ($context eq 'auto') {
+ $outcome .= " - $item\n";
+ } else {
+ $outcome .= "- $item
\n";
+ }
+ }
+ if ($context eq 'auto') {
+ $outcome .= $linefeed;
+ } else {
+ $outcome .= "