".
- "$text ".
+ "$text ';
+ }
+
+ sub end_data_table {
+ undef($row_count);
+ return '
';
+ }
+
+ sub start_data_table_row {
+ $row_count++;
+ return ' ';
+ }
+
+ sub end_data_table_row {
+ return ' ';
+ }
+}
+
###############################################
=pod
+=over 4
+
=item get_users_function
Used by &bodytag to determine the current users primary role.
@@ -2918,6 +3630,60 @@ sub get_users_function {
=pod
+=item check_user_status
+
+Determines current status of supplied role for a
+specific user. Roles can be active, previous or future.
+
+Inputs:
+user's domain, user's username, course's domain,
+course's number, optional section/group.
+
+Outputs:
+role status: active, previous or future.
+
+=cut
+
+sub check_user_status {
+ my ($udom,$uname,$cdom,$crs,$role,$secgrp) = @_;
+ my %userinfo = &Apache::lonnet::dump('roles',$udom,$uname);
+ my @uroles = keys %userinfo;
+ my $srchstr;
+ my $active_chk = 'none';
+ if (@uroles > 0) {
+ if (($role eq 'cc') || ($secgrp eq '') || (!defined($secgrp))) {
+ $srchstr = '/'.$cdom.'/'.$crs.'_'.$role;
+ } else {
+ $srchstr = '/'.$cdom.'/'.$crs.'/'.$secgrp.'_'.$role; }
+ if (grep/^$srchstr$/,@uroles) {
+ my $role_end = 0;
+ my $role_start = 0;
+ $active_chk = 'active';
+ if ($userinfo{$srchstr} =~ m/^($role)_(\d+)/) {
+ $role_end = $2;
+ if ($userinfo{$srchstr} =~ m/^($role)_($role_end)_(\d+)$/) {
+ $role_start = $3;
+ }
+ }
+ if ($role_start > 0) {
+ if (time < $role_start) {
+ $active_chk = 'future';
+ }
+ }
+ if ($role_end > 0) {
+ if (time > $role_end) {
+ $active_chk = 'previous';
+ }
+ }
+ }
+ }
+ return $active_chk;
+}
+
+###############################################
+
+=pod
+
=item get_sections
Determines all the sections for a course including
@@ -2936,11 +3702,10 @@ Returns number of sections.
sub get_sections {
my ($cdom,$cnum,$sectioncount,$possible_roles) = @_;
if (!($cdom && $cnum)) { return 0; }
- my $cid = $cdom.'_'.$cnum;
my $numsections = 0;
if (!defined($possible_roles) || (grep/^st$/,@$possible_roles)) {
- my ($classlist) = &Apache::loncoursedata::get_classlist($cid,$cdom,$cnum);
+ my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
my $sec_index = &Apache::loncoursedata::CL_SECTION();
my $status_index = &Apache::loncoursedata::CL_STATUS();
while (my ($student,$data) = each %$classlist) {
@@ -2970,75 +3735,284 @@ sub get_sections {
return $numsections;
}
+###############################################
+
+=pod
+
+=item coursegroups
-sub get_posted_cgi {
- my $r=shift;
+Retrieve information about groups in a course,
- my $buffer;
- if ($r->header_in('Content-length')) {
- $r->read($buffer,$r->header_in('Content-length'),0);
- }
- unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) {
- my @pairs=split(/&/,$buffer);
- my $pair;
- foreach $pair (@pairs) {
- my ($name,$value) = split(/=/,$pair);
- $value =~ tr/+/ /;
- $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
- $name =~ tr/+/ /;
- $name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
- &add_to_env("form.$name",$value);
- }
- } else {
- my $contentsep=$1;
- my @lines = split (/\n/,$buffer);
- my $name='';
- my $value='';
- my $fname='';
- my $fmime='';
- my $i;
- for ($i=0;$i<=$#lines;$i++) {
- if ($lines[$i]=~/^$contentsep/) {
- if ($name) {
- chomp($value);
- if ($fname) {
- $env{"form.$name.filename"}=$fname;
- $env{"form.$name.mimetype"}=$fmime;
- } else {
- $value=~s/\s+$//s;
- }
- &add_to_env("form.$name",$value);
+Input:
+1. Reference to hash to populate with group information.
+2. Optional course domain
+3. Optional course number
+4. Optional group name
+
+Course domain and number will be taken from user's
+environment if not supplied. Optional group name will'
+be passed to lonnet::get_coursegroups() as a regexp to
+use in the call to the dump function.
+
+Output
+Returns number of groups in the course (subject to the
+optional group name filter).
+
+Side effects:
+Populates the referenced curr_groups hash, with key,
+value pairs. Keys are group names, corresponding values
+are scalars containing group information in XML. This
+can be sent to &get_group_settings() to be parsed.
+
+=cut
+
+###############################################
+
+sub coursegroups {
+ my ($curr_groups,$cdom,$cnum,$group) = @_;
+ my $numgroups;
+ if (!defined($cdom) || !defined($cnum)) {
+ my $cid = $env{'request.course.id'};
+ $cdom = $env{'course.'.$cid.'.domain'};
+ $cnum = $env{'course.'.$cid.'.num'};
+ }
+ %{$curr_groups} = &Apache::lonnet::get_coursegroups($cdom,$cnum,$group);
+ my ($tmp) = keys(%{$curr_groups});
+ if ($tmp=~/^error:/) {
+ unless ($tmp eq 'error: 2 tie(GDBM) Failed while attempting dump') {
+ &logthis('Error retrieving groups: '.$tmp.' in '.$cnum.':'.
+ $cdom);
+ }
+ $numgroups = 0;
+ } else {
+ $numgroups = keys(%{$curr_groups});
+ }
+ return $numgroups;
+}
+
+###############################################
+
+=pod
+
+=item get_group_settings
+
+Uses TokeParser to extract group information from the
+XML used to describe course groups.
+
+Input:
+Scalar containing XML - as retrieved from &coursegroups().
+
+Output:
+Hash containing group information as key=values for (a), and
+hash of hashes for (b)
+
+Keys (in two categories):
+(a) groupname, creator, creation, modified, startdate,enddate.
+Corresponding values are name of the group, creator of the group
+(username:domain), UNIX time for date group was created, and
+settings were last modified, and default start and end access
+times for group members.
+
+(b) functions returned in hash of hashes.
+Outer hash key is functions.
+Inner hash keys are chat,discussion,email,files,homepage,roster.
+Corresponding values are either on or off, depending on
+whether this type of functionality is available for the group.
+
+=cut
+
+###############################################
+
+sub get_group_settings {
+ my ($groupinfo)=@_;
+ my $parser=HTML::TokeParser->new(\$groupinfo);
+ my $token;
+ my $tool = '';
+ my $role = '';
+ my %content=();
+ while ($token=$parser->get_token) {
+ if ($token->[0] eq 'S') {
+ my $entry=$token->[1];
+ if ($entry eq 'functions' || $entry eq 'autosec') {
+ %{$content{$entry}} = ();
+ $tool = $entry;
+ } elsif ($entry eq 'role') {
+ if ($tool eq 'autosec') {
+ $role = $token->[2]{id};
+ }
+ } else {
+ my $value=$parser->get_text('/'.$entry);
+ if ($entry eq 'name') {
+ if ($tool eq 'functions') {
+ my $function = $token->[2]{id};
+ $content{$tool}{$function} = $value;
+ }
+ } elsif ($entry eq 'groupname') {
+ $content{$entry}=&Apache::lonnet::unescape($value);
+ } elsif (($entry eq 'roles') || ($entry eq 'types') ||
+ ($entry eq 'sectionpick') || ($entry eq 'defpriv')) {
+ push(@{$content{$entry}},$value);
+ } elsif ($entry eq 'section') {
+ if ($tool eq 'autosec' && $role ne '') {
+ push(@{$content{$tool}{$role}},$value);
+ }
+ } else {
+ $content{$entry}=$value;
+ }
+ }
+ } elsif ($token->[0] eq 'E') {
+ if ($token->[1] eq 'functions' || $token->[1] eq 'autosec') {
+ $tool = '';
+ } elsif ($token->[1] eq 'role') {
+ $role = '';
+ }
+
+ }
+ }
+ return %content;
+}
+
+sub check_group_access {
+ my ($group) = @_;
+ my $access = 1;
+ my $now = time;
+ my ($start,$end) = split(/\./,$env{'user.role.gr/'.$env{'request.course,id'}.'/'.$group});
+ if (($end!=0) && ($end<$now)) { $access = 0; }
+ if (($start!=0) && ($start>$now)) { $access=0; }
+ return $access;
+}
+
+###############################################
+
+=pod
+
+=item get_course_users
+
+Retrieves usernames:domains for users in the specified course
+with specific role(s), and access status.
+
+Incoming parameters:
+1. course domain
+2. course number
+3. access status: users must have - either active,
+previous, future, or all.
+4. reference to array of permissible roles
+5. reference to array of section restrictions (optional)
+6. reference to results object (hash of hashes).
+7. reference to optional userdata hash
+Keys of top level hash are roles.
+Keys of inner hashes are username:domain, with
+values set to access type.
+Optional userdata hash returns an array with arguments in the
+same order as loncoursedata::get_classlist() for student data.
+
+Entries for end, start, section and status are blank because
+of the possibility of multiple values for non-student roles.
+
+=cut
+
+###############################################
+
+sub get_course_users {
+ my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
+ my %idx = ();
+
+ $idx{udom} = &Apache::loncoursedata::CL_SDOM();
+ $idx{uname} = &Apache::loncoursedata::CL_SNAME();
+ $idx{end} = &Apache::loncoursedata::CL_END();
+ $idx{start} = &Apache::loncoursedata::CL_START();
+ $idx{id} = &Apache::loncoursedata::CL_ID();
+ $idx{section} = &Apache::loncoursedata::CL_SECTION();
+ $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
+ $idx{status} = &Apache::loncoursedata::CL_STATUS();
+
+ if (grep(/^st$/,@{$roles})) {
+ my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist($cdom,$cnum);
+ my $now = time;
+ foreach my $student (keys(%{$classlist})) {
+ my $match = 0;
+ if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
+ unless(grep(/^\Q$$classlist{$student}[$idx{section}]\E$/,
+ @{$sections})) {
+ next;
}
- if ($i<$#lines) {
- $i++;
- $lines[$i]=~
- /Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i;
- $name=$1;
- $value='';
- if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) {
- $fname=$1;
- if
- ($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) {
- $fmime=$1;
- $i++;
- } else {
- $fmime='';
- }
- } else {
- $fname='';
- $fmime='';
+ }
+ if (defined($$types{'active'})) {
+ if ($$classlist{$student}[$idx{status}] eq 'Active') {
+ push(@{$$users{st}{$student}},'active');
+ $match = 1;
+ }
+ }
+ if (defined($$types{'previous'})) {
+ if ($$classlist{$student}[$idx{end}] <= $now) {
+ push(@{$$users{st}{$student}},'previous');
+ $match = 1;
+ }
+ }
+ if (defined($$types{'future'})) {
+ if (($$classlist{$student}[$idx{start}] > $now) && ($$classlist{$student}[$idx{end}] > $now) || ($$classlist{$student}[$idx{end}] == 0) || ($$classlist{$student}[$idx{end}] eq '')) {
+ push(@{$$users{st}{$student}},'future');
+ $match = 1;
+ }
+ }
+ if ($match && defined($userdata)) {
+ $$userdata{$student} = $$classlist{$student};
+ }
+ }
+ }
+ if ((@{$roles} > 0) && (@{$roles} ne "st")) {
+ my @coursepersonnel = &Apache::lonnet::getkeys('nohist_userroles',$cdom,$cnum);
+ foreach my $person (@coursepersonnel) {
+ my $match = 0;
+ my ($role,$user) = ($person =~ /^([^:]*):([^:]+:[^:]+)/);
+ $user =~ s/:$//;
+ if (($role) && (grep(/^\Q$role\E$/,@{$roles}))) {
+ my ($uname,$udom,$usec) = split(/:/,$user);
+ if ($usec ne '' && (ref($sections) eq 'ARRAY') &&
+ @{$sections} > 0) {
+ unless(grep(/^\Q$usec\E$/,@{$sections})) {
+ next;
}
- $i++;
- }
- } else {
- $value.=$lines[$i]."\n";
- }
- }
+ }
+ if ($uname ne '' && $udom ne '') {
+ my $status = &check_user_status($udom,$uname,$cdom,$cnum,$role);
+ foreach my $type (keys(%{$types})) {
+ if ($status eq $type) {
+ @{$$users{$role}{$user}} = $type;
+ $match = 1;
+ }
+ }
+ if ($match && defined($userdata) &&
+ !exists($$userdata{$uname.':'.$udom})) {
+ &get_user_info($udom,$uname,\%idx,$userdata);
+ }
+ }
+ }
+ }
+ if (grep(/^ow$/,@{$roles})) {
+ if ((defined($cdom)) && (defined($cnum))) {
+ my %csettings = &Apache::lonnet::get('environment',['internal.courseowner'],$cdom,$cnum);
+ if ( defined($csettings{'internal.courseowner'}) ) {
+ my $owner = $csettings{'internal.courseowner'};
+ @{$$users{'ow'}{$owner.':'.$cdom}} = 'any';
+ if (defined($userdata) &&
+ !exists($$userdata{$owner.':'.$cdom})) {
+ &get_user_info($cdom,$owner,\%idx,$userdata);
+ }
+ }
+ }
+ }
}
- $env{'request.method'}=$ENV{'REQUEST_METHOD'};
- $r->method_number(M_GET);
- $r->method('GET');
- $r->headers_in->unset('Content-length');
+ return;
+}
+
+sub get_user_info {
+ my ($udom,$uname,$idx,$userdata) = @_;
+ $$userdata{$uname.':'.$udom}[$$idx{fullname}] =
+ &plainname($uname,$udom,'lastname');
+ $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
+ $$userdata{$uname.':'.$udom}[$$idx{udom}] = $udom;
+ return;
}
=pod
@@ -3065,7 +4039,6 @@ sub get_unprocessed_cgi {
if (!defined($possible_names) || (grep {$_ eq $name} @$possible_names)) {
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
- &Apache::lonxml::debug("Seting :$name: to :$value:");
unless (defined($env{'form.'.$name})) { &add_to_env('form.'.$name,$value) };
}
}
@@ -3108,6 +4081,10 @@ sub no_cache {
sub content_type {
my ($r,$type,$charset) = @_;
+ if ($r) {
+ # Note that printout.pl calls this with undef for $r.
+ &no_cache($r);
+ }
if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
unless ($charset) {
$charset=&Apache::lonlocal::current_encoding;
@@ -3342,6 +4319,22 @@ sub upfile_select_html {
return $Str;
}
+sub get_samples {
+ my ($records,$toget) = @_;
+ my @samples=({});
+ my $got=0;
+ foreach my $rec (@$records) {
+ my %temp = &record_sep($rec);
+ if (! grep(/\S/, values(%temp))) { next; }
+ if (%temp) {
+ $samples[$got]=\%temp;
+ $got++;
+ if ($got == $toget) { last; }
+ }
+ }
+ return \@samples;
+}
+
######################################################
######################################################
@@ -3359,18 +4352,15 @@ Apache Request ref, $records is an array
######################################################
sub csv_print_samples {
my ($r,$records) = @_;
- my (%sone,%stwo,%sthree);
- %sone=&record_sep($$records[0]);
- if (defined($$records[1])) {%stwo=&record_sep($$records[1]);}
- if (defined($$records[2])) {%sthree=&record_sep($$records[2]);}
- #
+ my $samples = &get_samples($records,3);
+
$r->print(&mt('Samples').'');
- foreach (sort({$a <=> $b} keys(%sone))) {
+ foreach (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
$r->print(''.&mt('Column [_1]',($_+1)).' '); }
$r->print(' ');
- foreach my $hash (\%sone,\%stwo,\%sthree) {
+ foreach my $hash (@$samples) {
$r->print('');
- foreach (sort({$a <=> $b} keys(%sone))) {
+ foreach (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
$r->print('');
if (defined($$hash{$_})) { $r->print($$hash{$_}); }
$r->print(' ');
@@ -3399,8 +4389,8 @@ $d is an array of 2 element arrays (inte
######################################################
sub csv_print_select_table {
my ($r,$records,$d) = @_;
- my $i=0;my %sone;
- %sone=&record_sep($$records[0]);
+ my $i=0;
+ my $samples = &get_samples($records,1);
$r->print(&mt('Associate columns with student attributes.')."\n".
''.
''.&mt('Attribute').' '.
@@ -3412,7 +4402,7 @@ sub csv_print_select_table {
$r->print('');
$r->print('Column '.($_+1).' ');
@@ -3443,28 +4433,27 @@ $d is an array of 2 element arrays (inte
######################################################
sub csv_samples_select_table {
my ($r,$records,$d) = @_;
- my %sone; my %stwo; my %sthree;
my $i=0;
#
+ my $samples = &get_samples($records,3);
$r->print(''.
&mt('Field').' '.&mt('Samples').' ');
- foreach (@$d) {
- my ($value,$display,$defaultcol)=@{ $_ };
+ foreach my $option (@$d) {
+ my ($value,$display,$defaultcol)=@{ $option };
$r->print(''.
$display.' ');
}
$r->print(' ');
- if (defined($sone{$_})) { $r->print($sone{$_}."