File:  [LON-CAPA] / loncom / interface / lonwishlistdisplay.pm
Revision 1.7: download - view: text, annotated - select for diffs
Fri Dec 24 00:48:30 2021 UTC (2 years, 4 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_12_X, version_2_11_X, version_2_11_4_uiuc, version_2_11_4_msu, version_2_11_4, HEAD
- Bug 6955 IP-based blocking.
  - Course search, Stored links, and Resource Annotations added to functions
    which can be blocked by client IP. (User with evb priv in course exempt).

    1: # The LearningOnline Network with CAPA
    2: # Routines to display the wishlist (handler)
    3: #
    4: # $Id: lonwishlistdisplay.pm,v 1.7 2021/12/24 00:48:30 raeburn Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::lonwishlistdisplay;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use Apache::lonnet;
   34: use Apache::loncommon();
   35: use Apache::lonhtmlcommon;
   36: use Apache::lonlocal;
   37: use Apache::lonwishlist;
   38: use LONCAPA;
   39: use Tree;
   40: 
   41: 
   42: # Global variables
   43: my $root;
   44: my @childrenRt;
   45: my %TreeHash;
   46: 
   47:  
   48: # ----------------------------------------------------- Main Handler, package lonwishlistdisplay
   49: sub handler {
   50:     my ($r) = @_;
   51: 
   52:     if ($r->header_only) {
   53:         &Apache::loncommon::content_type($r,'text/html');
   54:         $r->send_http_header;
   55:         return OK;
   56:     }
   57: 
   58:     if ($env{'user.adv'}) {
   59:         &Apache::loncommon::content_type($r,'text/html');
   60:         $r->send_http_header;
   61:     } else {
   62:         $env{'user.error.msg'}=
   63:             "/adm/wishlist:bre:0:0:No rights to access Stored Links";
   64:         return HTTP_NOT_ACCEPTABLE;
   65:     }
   66: 
   67:     my $clientip = &Apache::lonnet::get_requestor_ip($r);
   68:     my ($blocked,$blocktext) =
   69:         &Apache::loncommon::blocking_status('wishlist',$clientip);
   70:     if ($blocked) {
   71:         &Apache::lonhtmlcommon::clear_breadcrumbs();
   72:         &Apache::lonhtmlcommon::add_breadcrumb(
   73:                { href => '/adm/wishlist',
   74:                  text => 'Stored Links'});
   75:         my $startPage = &Apache::loncommon::start_page('Stored Links');
   76:         my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Stored Links','Wishlist');
   77:         my $endpage = &Apache::loncommon::end_page();
   78:         $r->print($startPage.$breadcrumbs.$blocktext);
   79:         return OK;
   80:     }
   81: 
   82:     if (&Apache::lonwishlist::getWishlist() ne 'error') {
   83:         # get wishlist entries from user-data db-file and build a tree out of these entries
   84:         %TreeHash = &Apache::lonwishlist::getWishlist();
   85: 
   86:         $root = &Apache::Tree::HashToTree(\%TreeHash);
   87:         @childrenRt = $root->children();
   88: 
   89:         # create a new entry
   90:         if ($env{'form.title'}) {
   91:            $root = &Apache::lonwishlist::newEntry($root, $env{'form.title'}, $env{'form.path'}, $env{'form.note'});
   92:         }
   93: 
   94:         # get unprocessed_cgi (i.e. marked entries, mode ...)
   95:         &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['action','mark','markedToMove','mode','newtitle','note','rat','setTitle','setPath']);
   96: 
   97:         # change the order of entries within a level, that means sorting the entries
   98:         my $changeOrder = 0;
   99:         if (defined($env{'form.sel'})) {
  100:             my @sel = &Apache::loncommon::get_env_multiple('form.sel');
  101:             my $indexNode;
  102:             my $at;
  103:             for (my $s=0; $s<($#sel+1); $s++) {
  104:                 if ($sel[$s] ne '') {
  105:                     $indexNode = $s;
  106:                     $at = $sel[$s]-1;
  107:                 }
  108:             }
  109:             if ($at ne '') {
  110:                 $changeOrder = 1;
  111:                 $root = &Apache::lonwishlist::sortEntries($root, $indexNode,$at);
  112:             }
  113:         }
  114: 
  115:         # get all marked (checkboxes) entries
  116:         my @marked = ();
  117:         if (defined($env{'form.mark'})) {
  118:             @marked = &Apache::loncommon::get_env_multiple('form.mark');
  119:         }
  120: 
  121:         # move entries from one folder to another
  122:         if (defined($env{'form.markedToMove'})) {
  123:            my $markedToMove = $env{'form.markedToMove'};
  124:            my @ToMove = split(/\,/,$markedToMove);
  125:            my $moveTo = $env{'form.mark'};
  126:            if (defined($moveTo)) { 
  127:                $root = &Apache::lonwishlist::moveEntries($root, \@ToMove,$moveTo);
  128:            }
  129:            $changeOrder = 1;
  130:         }
  131: 
  132:         # delete entries
  133:         if ($env{'form.action'} eq 'delete') {
  134:             $root = &Apache::lonwishlist::deleteEntries($root, \@marked);
  135:         }
  136: 
  137:         # get all titles and notes and save them
  138:         # only save, if user wants to save changes
  139:         # do not save, when current action is 'delete' or 'sort' or 'move'
  140:         my @newTitles = ();
  141:         my @newPaths = ();
  142:         my @newNotes = ();
  143:         if ((defined $env{'form.newtitle'} || defined $env{'form.newpath'} || defined $env{'form.newnote'})
  144:             && ($env{'form.action'} ne 'noSave') && ($env{'form.action'} ne 'delete') && !$changeOrder) {
  145:             @newTitles = &Apache::loncommon::get_env_multiple('form.newtitle');
  146:             @newPaths = &Apache::loncommon::get_env_multiple('form.newpath');
  147:             @newNotes = &Apache::loncommon::get_env_multiple('form.newnote');
  148:             my $node = 0;
  149:             foreach my $t (@newTitles) {
  150:                $root = &Apache::lonwishlist::setNewTitle($root, $node, $t);
  151:                $node++;
  152:             }
  153:             $node = 0;
  154:             my $path = 0;
  155:             for (my $i = 0; $i < ($#newTitles+1); $i++ ) {
  156:                if (&Apache::lonwishlist::setNewPath($root, $node, $newPaths[$path])) {
  157:                      $path++;
  158:                }
  159:                $node++;
  160:             }
  161:             $node = 0;
  162:             foreach my $n (@newNotes) {
  163:                $root =  &Apache::lonwishlist::setNewNote($root, $node, $n);
  164:                $node++;
  165:             }
  166:         }
  167: 
  168:         # Create HTML-markup
  169:         my $page;
  170:         if ($env{'form.mode'} eq 'edit') {
  171:             $page = &Apache::lonwishlist::makePage($root, "edit");
  172:         } elsif ($env{'form.mode'} eq 'move') {
  173:             $page = &Apache::lonwishlist::makePage($root, "move", \@marked);
  174:         } elsif ($env{'form.mode'} eq 'import') {
  175:             $page = &Apache::lonwishlist::makePageImport($root, $env{'form.rat'});
  176:         } elsif ($env{'form.mode'} eq 'newLink') {
  177:             $page = &Apache::lonwishlist::makePopUpNewLink($env{'form.setTitle'},$env{'form.setPath'});
  178:         } elsif ($env{'form.mode'} eq 'newFolder') {
  179:             $page = &Apache::lonwishlist::makePopUpNewFolder();
  180:         } elsif ($env{'form.mode'} eq 'set') {
  181:             $page = &Apache::lonwishlist::makePageSet();
  182:         } else {
  183:             $page = &Apache::lonwishlist::makePage($root, "view");
  184:         }
  185:         @marked = ();
  186:         $r->print($page);
  187:     } else {
  188:         # An error occurred, print an error-page
  189:         my $errorPage = &Apache::lonwishlist::makeErrorPage();
  190:         $r->print($errorPage);
  191:     }
  192:     return OK;
  193: }
  194: 
  195: 1;
  196: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>