[LON-CAPA-cvs] cvs: loncom(version_2_11_X) /interface loncreateuser.pm

raeburn raeburn at source.lon-capa.org
Sun Jan 22 11:00:18 EST 2017


raeburn		Sun Jan 22 16:00:18 2017 EDT

  Modified files:              (Branch: version_2_11_X)
    /loncom/interface	loncreateuser.pm 
  Log:
  - For 2.11
    - Backport 1.428, 1.429
  
  
-------------- next part --------------
Index: loncom/interface/loncreateuser.pm
diff -u loncom/interface/loncreateuser.pm:1.406.2.9 loncom/interface/loncreateuser.pm:1.406.2.10
--- loncom/interface/loncreateuser.pm:1.406.2.9	Sat Jan 21 23:30:18 2017
+++ loncom/interface/loncreateuser.pm	Sun Jan 22 16:00:17 2017
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Create a user
 #
-# $Id: loncreateuser.pm,v 1.406.2.9 2017/01/21 23:30:18 raeburn Exp $
+# $Id: loncreateuser.pm,v 1.406.2.10 2017/01/22 16:00:17 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5030,6 +5030,21 @@
             $r->print(&header(undef,{'no_nav_bar' => 1}).
                      '<span class="LC_error">'.&mt('You do not have permission to view change logs').'</span>');
         }
+    } elsif ($env{'form.action'} eq 'helpdesk') {
+        if (($permission->{'owner'}) || ($permission->{'co-owner'})) {
+            if ($env{'form.state'} eq 'process') {
+                if ($permission->{'owner'}) {
+                    &update_helpdeskaccess($r,$permission,$brcrum);
+                } else {
+                    &print_helpdeskaccess_display($r,$permission,$brcrum);
+                }
+            } else {
+                &print_helpdeskaccess_display($r,$permission,$brcrum);
+            }
+        } else {
+            $r->print(&header(undef,{'no_nav_bar' => 1}).
+                      '<span class="LC_error">'.&mt('You do not have permission to view helpdesk access').'</span>');
+        }
     } else {
         $bread_crumbs_component = 'User Management';
         $args = { bread_crumbs           => $brcrum,
@@ -5355,6 +5370,14 @@
         
         push(@{ $menu[2]->{items} }, #Category: Administration
             {
+             linktext => 'Helpdesk Access',
+             icon => 'helpdesk-access.png',
+             #help => 'Course_Helpdesk_Access',
+             url => '/adm/createuser?action=helpdesk',
+             permission => ($permission->{'owner'} || $permission->{'co-owner'}),
+             linktitle => 'Helpdesk access options',
+            },
+            {
              linktext => 'Custom Roles',
              icon => 'emblem-photos.png',
              #help => 'Course_Editing_Custom_Roles',
@@ -7146,6 +7169,972 @@
     return %lt;
 }
 
+sub print_helpdeskaccess_display {
+    my ($r,$permission,$brcrum) = @_;
+    my $formname = 'helpdeskaccess';
+    my $helpitem = 'Course_Helpdesk_Access';
+    push (@{$brcrum},
+             {href => '/adm/createuser?action=helpdesk',
+              text => 'Helpdesk Access',
+              help => $helpitem});
+    my $bread_crumbs_component = 'Helpdesk Staff Access';
+    my $args = { bread_crumbs           => $brcrum,
+                 bread_crumbs_component => $bread_crumbs_component};
+
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $confname = $cdom.'-domainconfig';
+    my $crstype = &Apache::loncommon::course_type();
+
+    my @accesstypes = ('all','none');
+    my ($numstatustypes, at jsarray);
+    my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($cdom);
+    if (ref($types) eq 'ARRAY') {
+        if (@{$types} > 0) {
+            $numstatustypes = scalar(@{$types});
+            push(@accesstypes,'status');
+            @jsarray = ('bystatus');
+        }
+    }
+    my %customroles = &get_domain_customroles($cdom,$confname);
+    my %domhelpdesk = &Apache::lonnet::get_active_domroles($cdom,['dh']);
+    if (keys(%domhelpdesk)) {
+       push(@accesstypes,('inc','exc'));
+       push(@jsarray,('notinc','notexc'));
+    }
+    push(@jsarray,'privs');
+    my $hiddenstr = join("','", at jsarray);
+    my $rolestr = join("','",sort(keys(%customroles)));
+
+    my $jscript;
+    my (%settings,%overridden);
+    if (keys(%customroles)) {
+        &get_adhocrole_settings($env{'request.course.id'},\@accesstypes,
+                                $types,\%customroles,\%settings,\%overridden);
+        my %jsfull=();
+        my %jslevels= (
+                     course => {},
+                     domain => {},
+                     system => {},
+                    );
+        my %jslevelscurrent=(
+                           course => {},
+                           domain => {},
+                           system => {},
+                          );
+        my (%privs,%jsprivs);
+        &Apache::lonuserutils::custom_role_privs(\%privs,\%jsfull,\%jslevels,\%jslevelscurrent);
+        foreach my $priv (keys(%jsfull)) {
+            if ($jslevels{'course'}{$priv}) {
+                $jsprivs{$priv} = 1;
+            }
+        }
+        my (%elements,%stored);
+        foreach my $role (keys(%customroles)) {
+            $elements{$role.'_access'} = 'radio';
+            $elements{$role.'_incrs'} = 'radio';
+            if ($numstatustypes) {
+                $elements{$role.'_status'} = 'checkbox';
+            }
+            if (keys(%domhelpdesk) > 0) {
+                $elements{$role.'_staff_inc'} = 'checkbox';
+                $elements{$role.'_staff_exc'} = 'checkbox';
+            }
+            $elements{$role.'_override'} = 'checkbox';
+            if (ref($settings{$role}) eq 'HASH') {
+                if ($settings{$role}{'access'} ne '') {
+                    my $curraccess = $settings{$role}{'access'};
+                    $stored{$role.'_access'} = $curraccess;
+                    $stored{$role.'_incrs'} = 1;
+                    if ($curraccess eq 'status') {
+                        if (ref($settings{$role}{'status'}) eq 'ARRAY') {
+                            $stored{$role.'_status'} = $settings{$role}{'status'};
+                        }
+                    } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
+                        if (ref($settings{$role}{$curraccess}) eq 'ARRAY') {
+                            $stored{$role.'_staff_'.$curraccess} = $settings{$role}{$curraccess};
+                        }
+                    }
+                } else {
+                    $stored{$role.'_incrs'} = 0;
+                }
+                $stored{$role.'_override'} = [];
+                if ($env{'course.'.$env{'request.course.id'}.'.internal.adhocpriv.'.$role}) {
+                    if (ref($settings{$role}{'off'}) eq 'ARRAY') {
+                        foreach my $priv (@{$settings{$role}{'off'}}) {
+                            push(@{$stored{$role.'_override'}},$priv);
+                        }
+                    }
+                    if (ref($settings{$role}{'on'}) eq 'ARRAY') {
+                        foreach my $priv (@{$settings{$role}{'on'}}) {
+                            unless (grep(/^$priv$/,@{$stored{$role.'_override'}})) {
+                                push(@{$stored{$role.'_override'}},$priv);
+                            }
+                        }
+                    }
+                }
+            } else {
+                $stored{$role.'_incrs'} = 0;
+            }
+        }
+        $jscript = &Apache::lonhtmlcommon::set_form_elements(\%elements,\%stored);
+    }
+
+    my $js = <<"ENDJS";
+<script type="text/javascript">
+// <![CDATA[
+$jscript;
+
+function switchRoleTab(caller,role) {
+    if (document.getElementById(role+'_maindiv')) {
+        if (caller.id != 'LC_current_minitab') {
+            if (document.getElementById('LC_current_minitab')) {
+                document.getElementById('LC_current_minitab').id=null;
+            }
+            var roledivs = Array('$rolestr');
+            if (roledivs.length > 0) {
+                for (var i=0; i<roledivs.length; i++) {
+                    if (document.getElementById(roledivs[i]+'_maindiv')) {
+                        document.getElementById(roledivs[i]+'_maindiv').style.display='none';
+                    }
+                }
+            }
+            caller.id = 'LC_current_minitab';
+            document.getElementById(role+'_maindiv').style.display='block';
+        }
+    }
+    return false;
+}
+
+function helpdeskAccess(role) {
+    var curraccess = null;
+    if (document.$formname.elements[role+'_access'].length) {
+        for (var i=0; i<document.$formname.elements[role+'_access'].length; i++) {
+            if (document.$formname.elements[role+'_access'][i].checked) {
+                curraccess = document.$formname.elements[role+'_access'][i].value;
+            }
+        }
+    }
+    var shown = Array();
+    var hidden = Array();
+    if (curraccess == 'none') {
+        hidden = Array ('$hiddenstr');
+    } else {
+        if (curraccess == 'status') {
+            shown = Array ('bystatus','privs');
+            hidden = Array ('notinc','notexc');
+        } else {
+            if (curraccess == 'exc') {
+                shown = Array ('notexc','privs');
+                hidden = Array ('notinc','bystatus');
+            }
+            if (curraccess == 'inc') {
+                shown = Array ('notinc','privs');
+                hidden = Array ('notexc','bystatus');
+            }
+            if (curraccess == 'all') {
+                shown = Array ('privs');
+                hidden = Array ('notinc','notexc','bystatus');
+            }
+        }
+    }
+    if (hidden.length > 0) {
+        for (var i=0; i<hidden.length; i++) {
+            if (document.getElementById(role+'_'+hidden[i])) {
+                document.getElementById(role+'_'+hidden[i]).style.display = 'none';
+            }
+        }
+    }
+    if (shown.length > 0) {
+        for (var i=0; i<shown.length; i++) {
+            if (document.getElementById(role+'_'+shown[i])) {
+                if (shown[i] == 'privs') {
+                    document.getElementById(role+'_'+shown[i]).style.display = 'block';
+                } else {
+                    document.getElementById(role+'_'+shown[i]).style.display = 'inline';
+                }
+            }
+        }
+    }
+    return;
+}
+
+function toggleAccess(role) {
+    if ((document.getElementById(role+'_setincrs')) &&
+        (document.getElementById(role+'_setindom'))) {
+        for (var i=0; i<document.$formname.elements[role+'_incrs'].length; i++) {
+            if (document.$formname.elements[role+'_incrs'][i].checked) {
+                if (document.$formname.elements[role+'_incrs'][i].value == 1) {
+                    document.getElementById(role+'_setindom').style.display = 'none';
+                    document.getElementById(role+'_setincrs').style.display = 'block';
+                } else {
+                    document.getElementById(role+'_setincrs').style.display = 'none';
+                    document.getElementById(role+'_setindom').style.display = 'block';
+                }
+                break;
+            }
+        }
+    }
+    return;
+}
+
+// ]]>
+</script>
+ENDJS
+
+    $args->{add_entries} = {onload => "javascript:setFormElements(document.$formname)"};
+
+    # print page header
+    $r->print(&header($js,$args));
+    # print form header
+    $r->print('<form action="/adm/createuser" method="post" name="'.$formname.'">');
+
+    if (keys(%customroles)) {
+        my %lt = &Apache::lonlocal::texthash(
+                    'aco'    => 'As course owner you may override the defaults set in the domain for role usage and/or privileges.',
+                    'rou'    => 'Role usage',
+                    'whi'    => 'Which helpdesk personnel may use this role?',
+                    'udd'    => 'Use domain default',
+                    'all'    => 'All',
+                    'none'   => 'None',
+                    'status' => 'Determined based on institutional status',
+                    'inc'    => 'Include all, but exclude specific personnel',
+                    'exc'    => 'Exclude all, but include specific personnel',
+                    'hel'    => 'Helpdesk',
+                    'rpr'    => 'Role privileges',
+                 );
+        $lt{'tfh'} = &mt("Custom [_1]ad hoc[_2] course roles available for use by the domain's helpdesk are as follows",'<i>','</i>');
+        my %domconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$cdom);
+        my (%domcurrent,%ordered,%description,%domusage,$disabled);
+        if (ref($domconfig{'helpsettings'}) eq 'HASH') {
+            if (ref($domconfig{'helpsettings'}{'adhoc'}) eq 'HASH') {
+                %domcurrent = %{$domconfig{'helpsettings'}{'adhoc'}};
+            }
+        }
+        my $count = 0;
+        foreach my $role (sort(keys(%customroles))) {
+            my ($order,$desc,$access_in_dom);
+            if (ref($domcurrent{$role}) eq 'HASH') {
+                $order = $domcurrent{$role}{'order'};
+                $desc = $domcurrent{$role}{'desc'};
+                $access_in_dom = $domcurrent{$role}{'access'};
+            }
+            if ($order eq '') {
+                $order = $count;
+            }
+            $ordered{$order} = $role;
+            if ($desc ne '') {
+                $description{$role} = $desc;
+            } else {
+                $description{$role}= $role;
+            }
+            $count++;
+        }
+        %domusage = &domain_adhoc_access(\%customroles,\%domcurrent,\@accesstypes,$usertypes,$othertitle);
+        my @roles_by_num = ();
+        foreach my $item (sort {$a <=> $b } (keys(%ordered))) {
+            push(@roles_by_num,$ordered{$item});
+        }
+        $r->print('<p>'.$lt{'tfh'}.': <i>'.join('</i>, <i>',map { $description{$_}; } @roles_by_num).'</i>.');
+        if ($permission->{'owner'}) {
+            $r->print('<br />'.$lt{'aco'}.'</p><p>');
+            $r->print('<input type="hidden" name="state" value="process" />'.
+                      '<input type="submit" value="'.&mt('Save changes').'" />');
+        } else {
+            if ($env{'course.'.$env{'request.course.id'}.'.internal.courseowner'}) {
+                my ($ownername,$ownerdom) = split(/:/,$env{'course.'.$env{'request.course.id'}.'.internal.courseowner'});
+                $r->print('<br />'.&mt('The course owner -- [_1] -- can override the default access and/or privileges for these ad hoc roles.',
+                                    &Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($ownername,$ownerdom),$ownername,$ownerdom)));
+            }
+            $disabled = ' disabled="disabled"';
+        }
+        $r->print('</p>');
+
+        $r->print('<div id="LC_minitab_header"><ul>');
+        my $count = 0;
+        my %visibility;
+        foreach my $role (@roles_by_num) {
+            my $id;
+            if ($count == 0) {
+                $id=' id="LC_current_minitab"';
+                $visibility{$role} = ' style="display:block"';
+            } else {
+                $visibility{$role} = ' style="display:none"';
+            }
+            $count ++;
+            $r->print('<li'.$id.'><a href="#" onclick="javascript:switchRoleTab(this.parentNode,'."'$role'".');">'.$description{$role}.'</a></li>');
+        }
+        $r->print('</ul></div>');
+
+        foreach my $role (@roles_by_num) {
+            my %usecheck = (
+                             all => ' checked="checked"',
+                           );
+            my %displaydiv = (
+                                status => 'none',
+                                inc    => 'none',
+                                exc    => 'none',
+                                priv   => 'block',
+                             );
+            my (%selected,$overridden,$incrscheck,$indomcheck,$indomvis,$incrsvis);
+            if (ref($settings{$role}) eq 'HASH') {
+                if ($settings{$role}{'access'} ne '') {
+                    $indomvis = ' style="display:none"';
+                    $incrsvis = ' style="display:block"';
+                    $incrscheck = ' checked="checked"';
+                    if ($settings{$role}{'access'} ne 'all') {
+                        $usecheck{$settings{$role}{'access'}} = $usecheck{'all'};
+                        delete($usecheck{'all'});
+                        if ($settings{$role}{'access'} eq 'status') {
+                            my $access = 'status';
+                            $displaydiv{$access} = 'inline';
+                            if (ref($settings{$role}{$access}) eq 'ARRAY') {
+                                $selected{$access} = $settings{$role}{$access};
+                            }
+                        } elsif ($settings{$role}{'access'} =~ /^(inc|exc)$/) {
+                            my $access = $1;
+                            $displaydiv{$access} = 'inline';
+                            if (ref($settings{$role}{$access}) eq 'ARRAY') {
+                                $selected{$access} = $settings{$role}{$access};
+                            }
+                        } elsif ($settings{$role}{'access'} eq 'none') {
+                            $displaydiv{'priv'} = 'none';
+                        }
+                    }
+                } else {
+                    $indomcheck = ' checked="checked"';
+                    $indomvis = ' style="display:block"';
+                    $incrsvis = ' style="display:none"';
+                }
+            } else {
+                $indomcheck = ' checked="checked"';
+                $indomvis = ' style="display:block"';
+                $incrsvis = ' style="display:none"';
+            }
+            $r->print('<div class="LC_left_float" id="'.$role.'_maindiv"'.$visibility{$role}.'>'.
+                      '<fieldset><legend>'.$lt{'rou'}.'</legend>'.
+                      '<p>'.$lt{'whi'}.' <span class="LC_nobreak">'.
+                      '<label><input type="radio" name="'.$role.'_incrs" value="1"'.$incrscheck.' onclick="toggleAccess('."'$role'".');"'.$disabled.'>'.
+                      &mt('Set here in [_1]',lc($crstype)).'</label>'.
+                      '<span>'.(' 'x2).
+                      '<label><input type="radio" name="'.$role.'_incrs" value="0"'.$indomcheck.' onclick="toggleAccess('."'$role'".');"'.$disabled.'>'.
+                      $lt{'udd'}.'</label><span></p>'.
+                      '<div id="'.$role.'_setindom"'.$indomvis.'>'.
+                      '<span class="LC_cusr_emph">'.$domusage{$role}.'</span></div>'.
+                      '<div id="'.$role.'_setincrs"'.$incrsvis.'>');
+            foreach my $access (@accesstypes) {
+                $r->print('<p><label><input type="radio" name="'.$role.'_access" value="'.$access.'" '.$usecheck{$access}.
+                          ' onclick="helpdeskAccess('."'$role'".');"'.$disabled.' />'.$lt{$access}.'</label>');
+                if ($access eq 'status') {
+                    $r->print('<div id="'.$role.'_bystatus" style="display:'.$displaydiv{$access}.'">'.
+                              &Apache::lonuserutils::adhoc_status_types($cdom,undef,$role,$selected{$access},
+                                                                        $othertitle,$usertypes,$types,$disabled).
+                              '</div>');
+                } elsif (($access eq 'inc') && (keys(%domhelpdesk) > 0)) {
+                    $r->print('<div id="'.$role.'_notinc" style="display:'.$displaydiv{$access}.'">'.
+                              &Apache::lonuserutils::adhoc_staff($access,undef,$role,$selected{$access},
+                                                                 \%domhelpdesk,$disabled).
+                              '</div>');
+                } elsif (($access eq 'exc') && (keys(%domhelpdesk) > 0)) {
+                    $r->print('<div id="'.$role.'_notexc" style="display:'.$displaydiv{$access}.'">'.
+                              &Apache::lonuserutils::adhoc_staff($access,undef,$role,$selected{$access},
+                                                                 \%domhelpdesk,$disabled).
+                              '</div>');
+                }
+                $r->print('</p>');
+            }
+            $r->print('</div></fieldset>');
+            my %full=();
+            my %levels= (
+                         course => {},
+                         domain => {},
+                         system => {},
+                        );
+            my %levelscurrent=(
+                               course => {},
+                               domain => {},
+                               system => {},
+                              );
+            &Apache::lonuserutils::custom_role_privs($customroles{$role},\%full,\%levels,\%levelscurrent);
+            $r->print('<fieldset id="'.$role.'_privs" style="display:'.$displaydiv{'priv'}.'">'.
+                      '<legend>'.$lt{'rpr'}.'</legend>'.
+                      &role_priv_table($role,$permission,$crstype,\%full,\%levels,\%levelscurrent,$overridden{$role}).
+                      '</fieldset></div><div style="padding:0;clear:both;margin:0;border:0"></div>');
+        }
+        if ($permission->{'owner'}) {
+            $r->print('<p><input type="submit" value="'.&mt('Save changes').'" /></p>');
+        }
+    } else {
+        $r->print(&mt('Helpdesk roles have not yet been created in this domain.'));
+    }
+    # Form Footer
+    $r->print('<input type="hidden" name="action" value="helpdesk" />'
+             .'</form>');
+    return;
+}
+
+sub domain_adhoc_access {
+    my ($roles,$domcurrent,$accesstypes,$usertypes,$othertitle) = @_;
+    my %domusage;
+    return unless ((ref($roles) eq 'HASH') && (ref($domcurrent) eq 'HASH') && (ref($accesstypes) eq 'ARRAY'));
+    foreach my $role (keys(%{$roles})) {
+        if (ref($domcurrent->{$role}) eq 'HASH') {
+            my $access = $domcurrent->{$role}{'access'};
+            if (($access eq '') || (!grep(/^\Q$access\E$/,@{$accesstypes}))) {
+                $access = 'all';
+                $domusage{$role} = &mt('Any user in domain with active [_1] role',&Apache::lonnet::plaintext('dh'));
+            } elsif ($access eq 'status') {
+                if (ref($domcurrent->{$role}{$access}) eq 'ARRAY') {
+                    my @shown;
+                    foreach my $type (@{$domcurrent->{$role}{$access}}) {
+                        unless ($type eq 'default') {
+                            if ($usertypes->{$type}) {
+                                push(@shown,$usertypes->{$type});
+                            }
+                        }
+                    }
+                    if (grep(/^default$/,@{$domcurrent->{$role}{$access}})) {
+                        push(@shown,$othertitle);
+                    }
+                    if (@shown) {
+                        my $shownstatus = join(' '.&mt('or').' ', at shown);
+                        $domusage{$role} = &mt('Any user in domain with active [_1] role, and institutional status: [_2]',
+                                               &Apache::lonnet::plaintext('dh'),$shownstatus);
+                    } else {
+                        $domusage{$role} = &mt('No one in the domain');
+                    }
+                }
+            } elsif ($access eq 'inc') {
+                my @dominc = ();
+                if (ref($domcurrent->{$role}{'inc'}) eq 'ARRAY') {
+                    foreach my $user (@{$domcurrent->{$role}{'inc'}}) {
+                        my ($uname,$udom) = split(/:/,$user);
+                        push(@dominc,&Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$udom),$uname,$udom));
+                    }
+                    my $showninc = join(', ', at dominc);
+                    if ($showninc ne '') {
+                        $domusage{$role} = &mt('Include any user in domain with active [_1] role, except: [_2]',
+                                               &Apache::lonnet::plaintext('dh'),$showninc);
+                    } else {
+                        $domusage{$role} = &mt('Any user in domain with active [_1] role',&Apache::lonnet::plaintext('dh'));
+                    }
+                }
+            } elsif ($access eq 'exc') {
+                my @domexc = ();
+                if (ref($domcurrent->{$role}{'exc'}) eq 'ARRAY') {
+                    foreach my $user (@{$domcurrent->{$role}{'exc'}}) {
+                        my ($uname,$udom) = split(/:/,$user);
+                        push(@domexc,&Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$udom),$uname,$udom));
+                    }
+                }
+                my $shownexc = join(', ', at domexc);
+                if ($shownexc ne '') {
+                    $domusage{$role} = &mt('Only the following in the domain with active [_1] role: [_2]',
+                                           &Apache::lonnet::plaintext('dh'),$shownexc);
+                } else {
+                    $domusage{$role} = &mt('No one in the domain');
+                }
+            } elsif ($access eq 'none') {
+                $domusage{$role} = &mt('No one in the domain');
+            } elsif ($access eq 'all') {
+                $domusage{$role} = &mt('Any user in domain with active [_1] role',&Apache::lonnet::plaintext('dh'));
+            }
+        } else {
+            $domusage{$role} = &mt('Any user in domain with active [_1] role',&Apache::lonnet::plaintext('dh'));
+        }
+    }
+    return %domusage;
+}
+
+sub get_domain_customroles {
+    my ($cdom,$confname) = @_;
+    my %existing=&Apache::lonnet::dump('roles',$cdom,$confname,'rolesdef_');
+    my %customroles;
+    foreach my $key (keys(%existing)) {
+        if ($key=~/^rolesdef\_(\w+)$/) {
+            my $rolename = $1;
+            my %privs;
+            ($privs{'system'},$privs{'domain'},$privs{'course'}) = split(/\_/,$existing{$key});
+            $customroles{$rolename} = \%privs;
+        }
+    }
+    return %customroles;
+}
+
+sub role_priv_table {
+    my ($role,$permission,$crstype,$full,$levels,$levelscurrent,$overridden) = @_;
+    return unless ((ref($full) eq 'HASH') && (ref($levels) eq 'HASH') &&
+                   (ref($levelscurrent) eq 'HASH'));
+    my %lt=&Apache::lonlocal::texthash (
+                    'crl'  => 'Course Level Privilege',
+                    'def'  => 'Domain Defaults',
+                    'ove'  => 'Override in Course',
+                    'ine'  => 'In effect',
+                    'dis'  => 'Disabled',
+                    'ena'  => 'Enabled',
+                   );
+    if ($crstype eq 'Community') {
+        $lt{'ove'} = 'Override in Community',
+    }
+    my @status = ('Disabled','Enabled');
+    my (%on,%off);
+    if (ref($overridden) eq 'HASH') {
+        if (ref($overridden->{'on'}) eq 'ARRAY') {
+            map { $on{$_} = 1; } (@{$overridden->{'on'}});
+        }
+        if (ref($overridden->{'off'}) eq 'ARRAY') {
+            map { $off{$_} = 1; } (@{$overridden->{'off'}});
+        }
+    }
+    my $output=&Apache::loncommon::start_data_table().
+               &Apache::loncommon::start_data_table_header_row().
+               '<th>'.$lt{'crl'}.'</th><th>'.$lt{'def'}.'</th><th>'.$lt{'ove'}.
+               '</th><th>'.$lt{'ine'}.'</th>'.
+               &Apache::loncommon::end_data_table_header_row();
+    foreach my $priv (sort(keys(%{$full}))) {
+        next unless ($levels->{'course'}{$priv});
+        my $privtext = &Apache::lonnet::plaintext($priv,$crstype);
+        my ($default,$ineffect);
+        if ($levelscurrent->{'course'}{$priv}) {
+            $default = '<img src="/adm/lonIcons/navmap.correct.gif" alt="'.$lt{'ena'}.'" />';
+            $ineffect = $default;
+        }
+        my ($customstatus,$checked);
+        $output .= &Apache::loncommon::start_data_table_row().
+                   '<td>'.$privtext.'</td>'.
+                   '<td>'.$default.'</td><td>';
+        if (($levelscurrent->{'course'}{$priv}) && ($off{$priv})) {
+            if ($permission->{'owner'}) {
+                $checked = ' checked="checked"';
+            }
+            $customstatus = '<img src="/adm/lonIcons/navmap.wrong.gif" alt="'.$lt{'dis'}.'" />';
+            $ineffect = $customstatus;
+        } elsif ((!$levelscurrent->{'course'}{$priv}) && ($on{$priv})) {
+            if ($permission->{'owner'}) {
+                $checked = ' checked="checked"';
+            }
+            $customstatus = '<img src="/adm/lonIcons/navmap.correct.gif" alt="'.$lt{'ena'}.'" />';
+            $ineffect = $customstatus;
+        }
+        if ($permission->{'owner'}) {
+            $output .= '<input type="checkbox" name="'.$role.'_override" value="'.$priv.'"'.$checked.' />';
+        } else {
+            $output .= $customstatus;
+        }
+        $output .= '</td><td>'.$ineffect.'</td>'.
+                   &Apache::loncommon::end_data_table_row();
+    }
+    $output .= &Apache::loncommon::end_data_table();
+    return $output;
+}
+
+sub get_adhocrole_settings {
+    my ($cid,$accesstypes,$types,$customroles,$settings,$overridden) = @_;
+    return unless ((ref($accesstypes) eq 'ARRAY') && (ref($customroles) eq 'HASH') &&
+                   (ref($settings) eq 'HASH') && (ref($overridden) eq 'HASH'));
+    foreach my $role (split(/,/,$env{'course.'.$cid.'.internal.adhocaccess'})) {
+        my ($curraccess,$rest) = split(/=/,$env{'course.'.$cid.'.internal.adhoc.'.$role});
+        if (($curraccess ne '') && (grep(/^\Q$curraccess\E$/,@{$accesstypes}))) {
+            $settings->{$role}{'access'} = $curraccess;
+            if (($curraccess eq 'status') && (ref($types) eq 'ARRAY')) {
+                my @status = split(/,/,$rest);
+                my @currstatus;
+                foreach my $type (@status) {
+                    if ($type eq 'default') {
+                        push(@currstatus,$type);
+                    } elsif (grep(/^\Q$type\E$/,@{$types})) {
+                        push(@currstatus,$type);
+                    }
+                }
+                if (@currstatus) {
+                    $settings->{$role}{$curraccess} = \@currstatus;
+                } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
+                    my @personnel = split(/,/,$rest);
+                    $settings->{$role}{$curraccess} = \@personnel;
+                }
+            }
+        }
+    }
+    foreach my $role (keys(%{$customroles})) {
+        if ($env{'course.'.$cid.'.internal.adhocpriv.'.$role}) {
+            my %currentprivs;
+            if (ref($customroles->{$role}) eq 'HASH') {
+                if (exists($customroles->{$role}{'course'})) {
+                    my %full=();
+                    my %levels= (
+                                  course => {},
+                                  domain => {},
+                                  system => {},
+                                );
+                    my %levelscurrent=(
+                                        course => {},
+                                        domain => {},
+                                        system => {},
+                                      );
+                    &Apache::lonuserutils::custom_role_privs($customroles->{$role},\%full,\%levels,\%levelscurrent);
+                    %currentprivs = %{$levelscurrent{'course'}};
+                }
+            }
+            foreach my $item (split(/,/,$env{'course.'.$cid.'.internal.adhocpriv.'.$role})) {
+                next if ($item eq '');
+                my ($rule,$rest) = split(/=/,$item);
+                next unless (($rule eq 'off') || ($rule eq 'on'));
+                foreach my $priv (split(/:/,$rest)) {
+                    if ($priv ne '') {
+                        if ($rule eq 'off') {
+                            push(@{$overridden->{$role}{'off'}},$priv);
+                            if ($currentprivs{$priv}) {
+                                push(@{$settings->{$role}{'off'}},$priv);
+                            }
+                        } else {
+                            push(@{$overridden->{$role}{'on'}},$priv);
+                            unless ($currentprivs{$priv}) {
+                                push(@{$settings->{$role}{'on'}},$priv);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    return;
+}
+
+sub update_helpdeskaccess {
+    my ($r,$permission,$brcrum) = @_;
+    my $helpitem = 'Course_Helpdesk_Access';
+    push (@{$brcrum},
+             {href => '/adm/createuser?action=helpdesk',
+              text => 'Helpdesk Access',
+              help => $helpitem},
+             {href => '/adm/createuser?action=helpdesk',
+              text => 'Result',
+              help => $helpitem}
+         );
+    my $bread_crumbs_component = 'Helpdesk Staff Access';
+    my $args = { bread_crumbs           => $brcrum,
+                 bread_crumbs_component => $bread_crumbs_component};
+
+    # print page header
+    $r->print(&header('',$args));
+    unless ((ref($permission) eq 'HASH') && ($permission->{'owner'})) {
+        $r->print('<p class="LC_error">'.&mt('You do not have permission to change helpdesk access.').'</p>');
+        return;
+    }
+    my @accesstypes = ('all','none','status','inc','exc');
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $confname = $cdom.'-domainconfig';
+    my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($cdom);
+    my $crstype = &Apache::loncommon::course_type();
+    my %customroles = &get_domain_customroles($cdom,$confname);
+    my (%settings,%overridden);
+    &get_adhocrole_settings($env{'request.course.id'},\@accesstypes,
+                            $types,\%customroles,\%settings,\%overridden);
+    my %domhelpdesk = &Apache::lonnet::get_active_domroles($cdom,['dh']);
+    my (%changed,%storehash, at todelete);
+
+    if (keys(%customroles)) {
+        my (%newsettings, at incrs);
+        foreach my $role (keys(%customroles)) {
+            $newsettings{$role} = {
+                                    access => '',
+                                    status => '',
+                                    exc    => '',
+                                    inc    => '',
+                                    on     => '',
+                                    off    => '',
+                                  };
+            my %current;
+            if (ref($settings{$role}) eq 'HASH') {
+                %current = %{$settings{$role}};
+            }
+            if (ref($overridden{$role}) eq 'HASH') {
+                $current{'overridden'} = $overridden{$role};
+            }
+            if ($env{'form.'.$role.'_incrs'}) {
+                my $access = $env{'form.'.$role.'_access'};
+                if (grep(/^\Q$access\E$/, at accesstypes)) {
+                    push(@incrs,$role);
+                    unless ($current{'access'} eq $access) {
+                        $changed{$role}{'access'} = 1;
+                        $storehash{'internal.adhoc.'.$role} = $access;
+                    }
+                    if ($access eq 'status') {
+                        my @statuses = &Apache::loncommon::get_env_multiple('form.'.$role.'_status');
+                        my @stored;
+                        my @shownstatus;
+                        if (ref($types) eq 'ARRAY') {
+                            foreach my $type (sort(@statuses)) {
+                                if ($type eq 'default') {
+                                    push(@stored,$type);
+                                } elsif (grep(/^\Q$type\E$/,@{$types})) {
+                                    push(@stored,$type);
+                                    push(@shownstatus,$usertypes->{$type});
+                                }
+                            }
+                            if (grep(/^default$/, at statuses)) {
+                                push(@shownstatus,$othertitle);
+                            }
+                            $storehash{'internal.adhoc.'.$role} .= '='.join(',', at stored);
+                        }
+                        $newsettings{$role}{'status'} = join(' '.&mt('or').' ', at shownstatus);
+                        if (ref($current{'status'}) eq 'ARRAY') {
+                            my @diffs = &Apache::loncommon::compare_arrays(\@stored,$current{'status'});
+                            if (@diffs) {
+                                $changed{$role}{'status'} = 1;
+                            }
+                        } elsif (@stored) {
+                            $changed{$role}{'status'} = 1;
+                        }
+                    } elsif (($access eq 'inc') || ($access eq 'exc')) {
+                        my @personnel = &Apache::loncommon::get_env_multiple('form.'.$role.'_staff_'.$access);
+                        my @newspecstaff;
+                        my @stored;
+                        my @currstaff;
+                        foreach my $person (sort(@personnel)) {
+                            if ($domhelpdesk{$person}) {
+                                push(@stored,$person);
+                            }
+                        }
+                        if (ref($current{$access}) eq 'ARRAY') {
+                            my @diffs = &Apache::loncommon::compare_arrays(\@stored,$current{$access});
+                            if (@diffs) {
+                                $changed{$role}{$access} = 1;
+                            }
+                        } elsif (@stored) {
+                            $changed{$role}{$access} = 1;
+                        }
+                        $storehash{'internal.adhoc.'.$role} .= '='.join(',', at stored);
+                        foreach my $person (@stored) {
+                            my ($uname,$udom) = split(/:/,$person);
+                            push(@newspecstaff,&Apache::loncommon::aboutmewrapper(&Apache::loncommon::plainname($uname,$udom,'lastname'),$uname,$udom));
+                        }
+                        $newsettings{$role}{$access} = join(', ',sort(@newspecstaff));
+                    }
+                    $newsettings{$role}{'access'} = $access;
+                }
+            } else {
+                if (($current{'access'} ne '') && (grep(/^\Q$current{'access'}\E$/, at accesstypes))) {
+                    $changed{$role}{'access'} = 1;
+                    $newsettings{$role} = {};
+                    push(@todelete,'internal.adhoc.'.$role);
+                }
+            }
+            if (($env{'form.'.$role.'_incrs'}) && ($env{'form.'.$role.'_access'} eq 'none')) {
+                if (ref($current{'overridden'}) eq 'HASH') {
+                    push(@todelete,'internal.adhocpriv.'.$role);
+                }
+            } else {
+                my %full=();
+                my %levels= (
+                             course => {},
+                             domain => {},
+                             system => {},
+                            );
+                my %levelscurrent=(
+                                   course => {},
+                                   domain => {},
+                                   system => {},
+                                  );
+                &Apache::lonuserutils::custom_role_privs($customroles{$role},\%full,\%levels,\%levelscurrent);
+                my (@updatedon, at updatedoff, at override);
+                @override = &Apache::loncommon::get_env_multiple('form.'.$role.'_override');
+                if (@override) {
+                    foreach my $priv (sort(keys(%full))) {
+                        next unless ($levels{'course'}{$priv});
+                        if (grep(/^\Q$priv\E$/, at override)) {
+                            if ($levelscurrent{'course'}{$priv}) {
+                                push(@updatedoff,$priv);
+                            } else {
+                                push(@updatedon,$priv);
+                            }
+                        }
+                    }
+                }
+                if (@updatedon) {
+                    $newsettings{$role}{'on'} = join('</li><li>', map { &Apache::lonnet::plaintext($_,$crstype) } (@updatedon));
+                }
+                if (@updatedoff) {
+                    $newsettings{$role}{'off'} = join('</li><li>', map { &Apache::lonnet::plaintext($_,$crstype) } (@updatedoff));
+                }
+                if (ref($current{'overridden'}) eq 'HASH') {
+                    if (ref($current{'overridden'}{'on'}) eq 'ARRAY') {
+                        if (@updatedon) {
+                            my @diffs = &Apache::loncommon::compare_arrays(\@updatedon,$current{'overridden'}{'on'});
+                            if (@diffs) {
+                                $changed{$role}{'on'} = 1;
+                            }
+                        } else {
+                            $changed{$role}{'on'} = 1;
+                        }
+                    } elsif (@updatedon) {
+                        $changed{$role}{'on'} = 1;
+                    }
+                    if (ref($current{'overridden'}{'off'}) eq 'ARRAY') {
+                        if (@updatedoff) {
+                            my @diffs = &Apache::loncommon::compare_arrays(\@updatedoff,$current{'overridden'}{'off'});
+                            if (@diffs) {
+                                $changed{$role}{'off'} = 1;
+                            }
+                        } else {
+                            $changed{$role}{'off'} = 1;
+                        }
+                    } elsif (@updatedoff) {
+                        $changed{$role}{'off'} = 1;
+                    }
+                } else {
+                    if (@updatedon) {
+                        $changed{$role}{'on'} = 1;
+                    }
+                    if (@updatedoff) {
+                        $changed{$role}{'off'} = 1;
+                    }
+                }
+                if (ref($changed{$role}) eq 'HASH') {
+                    if (($changed{$role}{'on'} || $changed{$role}{'off'})) {
+                        my $newpriv;
+                        if (@updatedon) {
+                            $newpriv = 'on='.join(':', at updatedon);
+                        }
+                        if (@updatedoff) {
+                            $newpriv .= ($newpriv ? ',' : '' ).'off='.join(':', at updatedoff);
+                        }
+                        if ($newpriv eq '') {
+                            push(@todelete,'internal.adhocpriv.'.$role);
+                        } else {
+                            $storehash{'internal.adhocpriv.'.$role} = $newpriv;
+                        }
+                    }
+                }
+            }
+        }
+        if (@incrs) {
+            $storehash{'internal.adhocaccess'} = join(',', at incrs);
+        } elsif (@todelete) {
+            push(@todelete,'internal.adhocaccess');
+        }
+        if (keys(%changed)) {
+            my ($putres,$delres);
+            if (keys(%storehash)) {
+                $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum);
+                my %newenvhash;
+                foreach my $key (keys(%storehash)) {
+                    $newenvhash{'course.'.$env{'request.course.id'}.'.'.$key} = $storehash{$key};
+                }
+                &Apache::lonnet::appenv(\%newenvhash);
+            }
+            if (@todelete) {
+                $delres = &Apache::lonnet::del('environment',\@todelete,$cdom,$cnum);
+                foreach my $key (@todelete) {
+                    &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key);
+                }
+            }
+            if (($putres eq 'ok') || ($delres eq 'ok')) {
+                my %domconfig = &Apache::lonnet::get_dom('configuration',['helpsettings'],$cdom);
+                my (%domcurrent,%ordered,%description,%domusage);
+                if (ref($domconfig{'helpsettings'}) eq 'HASH') {
+                    if (ref($domconfig{'helpsettings'}{'adhoc'}) eq 'HASH') {
+                        %domcurrent = %{$domconfig{'helpsettings'}{'adhoc'}};
+                    }
+                }
+                my $count = 0;
+                foreach my $role (sort(keys(%customroles))) {
+                    my ($order,$desc);
+                    if (ref($domcurrent{$role}) eq 'HASH') {
+                        $order = $domcurrent{$role}{'order'};
+                        $desc = $domcurrent{$role}{'desc'};
+                    }
+                    if ($order eq '') {
+                        $order = $count;
+                    }
+                    $ordered{$order} = $role;
+                    if ($desc ne '') {
+                        $description{$role} = $desc;
+                    } else {
+                        $description{$role}= $role;
+                    }
+                    $count++;
+                }
+                my @roles_by_num = ();
+                foreach my $item (sort {$a <=> $b } (keys(%ordered))) {
+                    push(@roles_by_num,$ordered{$item});
+                }
+                %domusage = &domain_adhoc_access(\%changed,\%domcurrent,\@accesstypes,$usertypes,$othertitle);
+                $r->print(&mt('Helpdesk access settings have been changed as follows').'<br />');
+                $r->print('<ul>');
+                foreach my $role (@roles_by_num) {
+                    next unless (ref($changed{$role}) eq 'HASH');
+                    $r->print('<li>'.&mt('Ad hoc role').': <b>'.$description{$role}.'</b>'.
+                              '<ul>');
+                    if ($changed{$role}{'access'} || $changed{$role}{'status'} || $changed{$role}{'inc'} || $changed{$role}{'exc'}) {
+                        $r->print('<li>');
+                        if ($env{'form.'.$role.'_incrs'}) {
+                            if ($newsettings{$role}{'access'} eq 'all') {
+                                $r->print(&mt('All helpdesk staff can access '.lc($crstype).' with this role.'));
+                            } elsif ($newsettings{$role}{'access'} eq 'none') {
+                                $r->print(&mt('No helpdesk staff can access '.lc($crstype).' with this role.'));
+                            } elsif ($newsettings{$role}{'access'} eq 'status') {
+                                if ($newsettings{$role}{'status'}) {
+                                    my ($access,$rest) = split(/=/,$storehash{'internal.adhoc.'.$role});
+                                    if (split(/,/,$rest) > 1) {
+                                        $r->print(&mt('Helpdesk staff can use this role if their institutional type is one of: [_1].',
+                                                      $newsettings{$role}{'status'}));
+                                    } else {
+                                        $r->print(&mt('Helpdesk staff can use this role if their institutional type is: [_1].',
+                                                      $newsettings{$role}{'status'}));
+                                    }
+                                } else {
+                                    $r->print(&mt('No helpdesk staff can access '.lc($crstype).' with this role.'));
+                                }
+                            } elsif ($newsettings{$role}{'access'} eq 'exc') {
+                                if ($newsettings{$role}{'exc'}) {
+                                    $r->print(&mt('Helpdesk staff who can use this role are as follows:').' '.$newsettings{$role}{'exc'}.'.');
+                                } else {
+                                    $r->print(&mt('No helpdesk staff can access '.lc($crstype).' with this role.'));
+                                }
+                            } elsif ($newsettings{$role}{'access'} eq 'inc') {
+                                if ($newsettings{$role}{'inc'}) {
+                                    $r->print(&mt('All helpdesk staff may use this role except the following:').' '.$newsettings{$role}{'inc'}.'.');
+                                } else {
+                                    $r->print(&mt('All helpdesk staff may use this role.'));
+                                }
+                            }
+                        } else {
+                            $r->print(&mt('Default access set in the domain now applies.').'<br />'.
+                                      '<span class="LC_cusr_emph">'.$domusage{$role}.'</span>');
+                        }
+                        $r->print('</li>');
+                    }
+                    unless ($newsettings{$role}{'access'} eq 'none') {
+                        if ($changed{$role}{'off'}) {
+                            if ($newsettings{$role}{'off'}) {
+                                $r->print('<li>'.&mt('Privileges which are available by default for this ad hoc role, but are disabled for this specific '.lc($crstype).':').
+                                          '<ul><li>'.$newsettings{$role}{'off'}.'</li></ul></li>');
+                            } else {
+                                $r->print('<li>'.&mt('All privileges available by default for this ad hoc role are enabled.').'</li>');
+                            }
+                        }
+                        if ($changed{$role}{'on'}) {
+                            if ($newsettings{$role}{'on'}) {
+                                $r->print('<li>'.&mt('Privileges which are not available by default for this ad hoc role, but are enabled for this specific '.lc($crstype).':').
+                                          '<ul><li>'.$newsettings{$role}{'on'}.'</li></ul></li>');
+                            } else {
+                                $r->print('<li>'.&mt('None of the privileges unavailable by default for this ad hoc role are enabled.').'</li>');
+                            }
+                        }
+                    }
+                    $r->print('</ul></li>');
+                }
+                $r->print('</ul>');
+            }
+        } else {
+            $r->print(&mt('No changes made to helpdesk access settings.'));
+        }
+    }
+    return;
+}
+
 #-------------------------------------------------- functions for &phase_two
 sub user_search_result {
     my ($context,$srch) = @_;


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