Annotation of loncom/publisher/lonpubdir.pm, revision 1.150

1.1       www         1: # The LearningOnline Network with CAPA
1.145     raeburn     2: # Authoring Space Directory Lister
1.16      albertel    3: #
1.150   ! musolffc    4: # $Id: lonpubdir.pm,v 1.149 2014/01/21 18:23:35 musolffc Exp $
1.16      albertel    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/
1.1       www        27: #
1.17      harris41   28: ###
1.1       www        29: 
                     30: package Apache::lonpubdir;
                     31: 
                     32: use strict;
                     33: use Apache::File;
                     34: use File::Copy;
                     35: use Apache::Constants qw(:common :http :methods);
1.17      harris41   36: use Apache::loncommon();
1.48      www        37: use Apache::lonhtmlcommon();
1.91      www        38: use Apache::londiff();
1.39      www        39: use Apache::lonlocal;
1.50      www        40: use Apache::lonmsg;
1.64      raeburn    41: use Apache::lonmenu;
                     42: use Apache::lonnet;
1.98      albertel   43: use LONCAPA;
1.1       www        44: 
                     45: sub handler {
                     46: 
                     47:   my $r=shift;
                     48: 
1.149     musolffc   49:   # Validate access to the construction space and get username:domain.
1.6       www        50: 
                     51:   my $uname;
                     52:   my $udom;
                     53: 
1.144     raeburn    54:   ($uname,$udom)=&Apache::lonnet::constructaccess($r->uri); 
1.9       www        55:   unless (($uname) && ($udom)) {
1.6       www        56:      return HTTP_NOT_ACCEPTABLE;
                     57:   }
1.23      foxr       58: 
1.127     www        59: # ----------------------------------------------------------- Start page output
1.23      foxr       60: 
1.127     www        61:   my $fn=$r->filename;
1.128     www        62:   $fn=~s/\/$//;
1.1       www        63: 
1.127     www        64:   my $thisdisfn=$fn;
                     65:   my $docroot=$r->dir_config('lonDocRoot');     # Apache  londocument root.
                     66:   $thisdisfn=~s/^\Q$docroot\E\/priv//;
1.1       www        67: 
1.127     www        68:   my $resdir=$docroot.'/res'.$thisdisfn; # Resource directory
                     69:   my $targetdir='/res'.$thisdisfn; # Publication target directory.
                     70:   my $linkdir='/priv'.$thisdisfn;      # Full URL name of constr space.
1.1       www        71: 
1.50      www        72:   my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
1.1       www        73: 
1.26      www        74:   &startpage($r, $uname, $udom, $thisdisfn);   # Put out the start of page.
1.126     droeschl   75:   &dircontrols($r,$uname,$udom,$thisdisfn);    # Put out actions for directory, 
1.64      raeburn    76:                                                # browse/upload + new file page.
                     77:   &resourceactions($r,$uname,$udom,$thisdisfn); #Put out form used for printing/deletion etc.
                     78: 
                     79:   my $numdir = 0;
                     80:   my $numres = 0;
1.6       www        81:   
1.150   ! musolffc   82:   # Retrieving value for sortby from QUERY_STRING
        !            83:   &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['sortby']);
        !            84: 
        !            85:   # Default sort by 'Name'
        !            86:   if (! exists($env{'form.sortby'})) {
        !            87:     $env{'form.sortby'} = 'filename';
        !            88:   }
        !            89: 
1.50      www        90:   # Start off the directory table.
1.115     bisitz     91:   $r->print(&Apache::loncommon::start_data_table()
                     92:            .&Apache::loncommon::start_data_table_header_row()
                     93:            .'<th>'.&mt('Type').'</th>'
                     94:            .'<th>'.&mt('Actions').'</th>'
1.150   ! musolffc   95:            .'<th><a href="'.$linkdir.'/?sortby=filename">Name<span class="LC_fontsize_small"> &#9660;</span></a></th>'
1.115     bisitz     96:            .'<th>'.&mt('Title').'</th>'
                     97:            .'<th colspan="2">'.&mt('Status').'</th>'
1.150   ! musolffc   98:            .'<th><a href="'.$linkdir.'/?sortby=cmtime">Last Modified<span class="LC_fontsize_small"> &#9660;</span></a></th>'
1.115     bisitz     99:            .&Apache::loncommon::end_data_table_header_row()
                    100:   );
1.1       www       101: 
1.2       www       102:   my $filename;
1.23      foxr      103:   my $dirptr=16384;		# Mask indicating a directory in stat.cmode.
1.1       www       104: 
1.2       www       105:   opendir(DIR,$fn);
1.150   ! musolffc  106:   my $filehash = {};
        !           107:   my $sortby = $env{'form.sortby'};
1.44      albertel  108:   my @files=sort {uc($a) cmp uc($b)} (readdir(DIR));
1.11      albertel  109:   foreach my $filename (@files) {
1.148     raeburn   110:      next if ($filename eq '.DS_Store');
1.150   ! musolffc  111:      my ($cmode,$cmtime)=(stat($fn.'/'.$filename))[2,9];
        !           112:      # If you want to sort by "last modified", we need to make this hash.
        !           113:      if ($sortby eq 'cmtime') {
        !           114:        $filehash->{ $filename } = {"cmtime" => $cmtime,};
        !           115:      }
        !           116:      # Otherwise sort by name.  Don't bother with filehash.  Continue printing contents.
        !           117:      else {
        !           118:          my $extension='';
        !           119:          if ($filename=~/\.(\w+)$/) { $extension=$1; }
        !           120:          if ($cmode&$dirptr) {
        !           121:              &putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime,$targetdir,\%bombs,\$numdir);
        !           122:          } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
        !           123:              &putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir, 
        !           124:                          $targetdir, $linkdir, $cmtime,\%bombs,\$numres);
        !           125:          } else {
        !           126:             # "hidden" extension and not a directory, so hide it away.
        !           127:          }
1.2       www       128:      }
1.150   ! musolffc  129:   };
        !           130: 
        !           131:   # Sorting files by "last modified" if that's what you selected   
        !           132:   if ($sortby eq 'cmtime') {
        !           133:       my @sorted_files = sort {
        !           134:         $filehash->{$b}->{$sortby} <=> $filehash->{$a}->{$sortby}
        !           135:         } (keys(%{$filehash}));
        !           136:       foreach my $filename (@sorted_files) {
        !           137:          my ($cmode,$cmtime)=(stat($fn.'/'.$filename))[2,9];
        !           138:          my $extension='';
        !           139:          if ($filename=~/\.(\w+)$/) { $extension=$1; }
        !           140:          if ($cmode&$dirptr) {
        !           141:              &putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime,$targetdir,\%bombs,\$numdir);
        !           142:          } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
        !           143:              &putresource($r, $udom, $uname, $filename, $thisdisfn, $resdir, 
        !           144:                          $targetdir, $linkdir, $cmtime,\%bombs,\$numres);
        !           145:          } else {
        !           146:             # "hidden" extension and not a directory, so hide it away.
        !           147:          };
        !           148:       };
        !           149:   };
        !           150:   
1.2       www       151:   closedir(DIR);
                    152: 
1.115     bisitz    153:   $r->print(&Apache::loncommon::end_data_table()
                    154:            .&Apache::loncommon::end_page()
                    155:   );
1.1       www       156:   return OK;  
                    157: }
1.127     www       158: 
1.23      foxr      159: #
                    160: #   Output the header of the page.  This includes:
                    161: #   - The HTML header 
                    162: #   - The H1/H3  stuff which includes the directory.
                    163: #
                    164: #     startpage($r, $uame, $udom, $thisdisfn);
                    165: #      $r     - The apache request object.
                    166: #      $uname - User name.
                    167: #      $udom  - Domain name the user is logged in under.
                    168: #      $thisdisfn - Displayable version of the filename.
1.26      www       169: 
1.23      foxr      170: sub startpage {
                    171:     my ($r, $uname, $udom, $thisdisfn) = @_;
1.39      www       172:     &Apache::loncommon::content_type($r,'text/html');
1.23      foxr      173:     $r->send_http_header;
1.64      raeburn   174: 
1.132     www       175:     my $formaction='/priv'.$thisdisfn.'/';
1.89      albertel  176:     $formaction=~s|/+|/|g;
1.66      raeburn   177:     &Apache::lonhtmlcommon::store_recent('construct',$formaction,$formaction);
1.121     bisitz    178: 
1.125     droeschl  179:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                    180:     &Apache::lonhtmlcommon::add_breadcrumb({
1.145     raeburn   181:         'text'  => 'Authoring Space',
1.137     raeburn   182:         'href'  => &Apache::loncommon::authorspace($formaction),
1.125     droeschl  183:     });
                    184:     # breadcrumbs (and tools) will be created 
                    185:     # in start_page->bodytag->innerregister
                    186: 
1.132     www       187:     $env{'request.noversionuri'}=$formaction;
1.145     raeburn   188:     $r->print(&Apache::loncommon::start_page('Authoring Space',undef));
1.90      albertel  189: 
1.147     raeburn   190:     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
                    191:     my $current_disk_usage = &Apache::lonnet::diskusage($udom,$uname,"$londocroot/priv/$udom/$uname");
                    192:     my $disk_quota = &Apache::loncommon::get_user_quota($uname,$udom,'author'); #expressed in Mb
                    193:     $disk_quota = 1000 * $disk_quota; # convert from Mb to kb
                    194: 
1.121     bisitz    195:     $r->print(&Apache::loncommon::head_subbox(
1.147     raeburn   196:                      '<div style="float:right;padding-top:0;margin-top;0">'
                    197:                     .&Apache::lonhtmlcommon::display_usage($current_disk_usage,$disk_quota)
                    198:                     .'</div>'
                    199:                     .&Apache::loncommon::CSTR_pageheader()));
1.121     bisitz    200: 
1.101     albertel  201:     my $esc_thisdisfn = &Apache::loncommon::escape_single($thisdisfn);
1.145     raeburn   202:     my $doctitle = 'LON-CAPA '.&mt('Authoring Space');
1.109     bisitz    203:     my $newname = &mt('New Name');
1.29      www       204:     my $pubdirscript=(<<ENDPUBDIRSCRIPT);
1.77      albertel  205: <script type="text/javascript">
1.107     bisitz    206: top.document.title = '$esc_thisdisfn/ - $doctitle';
1.37      www       207: // Store directory location for menu bar to find
                    208: 
1.132     www       209: parent.lastknownpriv='/priv$esc_thisdisfn/';
1.37      www       210: 
                    211: // Confirmation dialogues
                    212: 
1.64      raeburn   213:     function currdiract(theform) {
                    214:         if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'publish') {
1.79      www       215:             document.publishdir.filename.value = theform.filename.value;
                    216: 	    document.publishdir.submit();
1.64      raeburn   217:         }
1.113     schafran  218:         if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'editmeta') {
1.66      raeburn   219:             top.location=theform.filename.value+'default.meta'
1.64      raeburn   220:         }
                    221:         if (theform.dirtask.options[theform.dirtask.selectedIndex].value == 'printdir' ) {
                    222:             document.printdir.postdata.value=theform.filename.value
                    223:             document.printdir.submit();
                    224:         }
1.88      raeburn   225:         if (theform.dirtask.options[theform.dirtask.selectedIndex].value == "delete") {
                    226:               var delform = document.delresource
                    227:               delform.filename.value = theform.filename.value
                    228:               delform.submit()
                    229:         }
1.64      raeburn   230:     }
                    231:   
                    232:     function checkUpload(theform) {
                    233:         if (theform.file == '') {
                    234:             alert("Please use 'Browse..' to choose a file first, before uploading")
                    235:             return 
                    236:         }
                    237:         theform.submit()  
                    238:     }
                    239: 
                    240:     function SetPubDir(theform,printForm) {
                    241:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "open") {
1.75      albertel  242:             top.location = theform.openname.value
1.64      raeburn   243:             return
                    244:         }
                    245:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "publish") {
1.79      www       246:             theform.submit();
1.64      raeburn   247:         }
1.113     schafran  248:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "editmeta") {
1.66      raeburn   249:             top.location=theform.filename.value+'default.meta'
1.64      raeburn   250:         }
1.68      raeburn   251:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "printdir") {
1.64      raeburn   252:             theform.action = '/adm/printout'
                    253:             theform.postdata.value = theform.filename.value
                    254:             theform.submit()
                    255:         }
1.88      raeburn   256:         if (theform.diraction.options[theform.diraction.selectedIndex].value == "delete") {
                    257:               var delform = document.delresource
                    258:               delform.filename.value = theform.filename.value
                    259:               delform.submit()
                    260:         }
1.64      raeburn   261:         return
                    262:     }
                    263:     function SetResChoice(theform) {
                    264:       var activity = theform.reschoice.options[theform.reschoice.selectedIndex].value
                    265:       if ((activity == 'rename') || (activity == 'copy') || (activity == 'move')) {
                    266:           changename(theform,activity)
                    267:       }
                    268:       if (activity == 'publish') {
                    269:           var pubform = document.pubresource
                    270:           pubform.filename.value = theform.filename.value
                    271:           pubform.submit()
                    272:       }
                    273:       if (activity == 'delete') {
                    274:           var delform = document.delresource
                    275:           delform.filename.value = theform.filename.value
1.71      raeburn   276:           delform.submit()
1.64      raeburn   277:       }
                    278:       if (activity == 'obsolete') {
1.68      raeburn   279:           var pubform = document.pubresource
                    280:           pubform.filename.value = theform.filename.value
1.80      www       281:           pubform.makeobsolete.value=1;
1.68      raeburn   282:           pubform.submit()
1.64      raeburn   283:       }
                    284:       if (activity == 'print') {
1.68      raeburn   285:           document.printresource.postdata.value = theform.filename.value
1.64      raeburn   286:           document.printresource.submit()
                    287:       }
                    288:       if (activity == 'retrieve') {
1.68      raeburn   289:           document.retrieveres.filename.value = theform.filename.value
                    290:           document.retrieveres.submit()
1.64      raeburn   291:       }
1.82      www       292:       if (activity == 'cleanup') {
                    293:           document.cleanup.filename.value = theform.filename.value
                    294:           document.cleanup.submit()
                    295:       }
1.64      raeburn   296:       return
                    297:     }
                    298:     function changename(theform,activity) {
1.96      banghart  299:         var oldname=theform.dispfilename.value;
1.109     bisitz    300:         var newname=prompt('$newname',oldname);
1.97      banghart  301:         if (newname == "" || !newname || newname == oldname)  {
1.64      raeburn   302:             return
                    303:         }
                    304:         document.moveresource.newfilename.value = newname
                    305:         document.moveresource.filename.value = theform.filename.value
                    306:         document.moveresource.action.value = activity
                    307:         document.moveresource.submit();
                    308:     }
1.29      www       309: </script>
                    310: ENDPUBDIRSCRIPT
1.64      raeburn   311:     $r->print($pubdirscript);
                    312: }
                    313: 
                    314: sub dircontrols {
                    315:     my ($r,$uname,$udom,$thisdisfn) = @_;
1.84      www       316:     my %lt=&Apache::lonlocal::texthash(
                    317:                                        cnpd => 'Cannot publish directory',
                    318:                                        cnrd => 'Cannot retrieve directory',
                    319:                                        mcdi => 'Must create new subdirectory inside a directory',
                    320:                                        pubr => 'Publish this Resource',
                    321:                                        pubd => 'Publish this Directory',
1.88      raeburn   322:                                        dedr => 'Delete Directory',
1.84      www       323:                                        rtrv => 'Retrieve Old Version',
                    324:                                        list => 'List Directory',
                    325:                                        uplo => 'Upload file',  
                    326:                                        dele => 'Delete',
1.113     schafran  327:                                        edit => 'Edit Metadata', 
1.84      www       328:                                        sela => 'Select Action',
                    329:                                        nfil => 'New file',
                    330:                                        nhtm => 'New HTML file',
                    331:                                        nprb => 'New problem',
                    332:                                        npag => 'New assembled page',
                    333:                                        nseq => 'New assembled sequence',
                    334:                                        ncrf => 'New custom rights file',
                    335:                                        nsty => 'New style file',
                    336:                                        nlib => 'New library file',
1.103     albertel  337:                                        nbt  => 'New bridgetask file',
1.84      www       338:                                        nsub => 'New subdirectory',
                    339:                                        renm => 'Rename current file to',
                    340:                                        move => 'Move current file to',
                    341:                                        copy => 'Copy current file to',
                    342:                                        type => 'Type Name Here',
1.105     albertel  343:                                        go   => 'Go',
1.84      www       344:                                        prnt => 'Print contents of directory',
                    345:                                        crea => 'Create a new directory or LON-CAPA document',
                    346: 				       acti => 'Actions for current directory',
1.105     albertel  347: 				       updc => 'Upload a new document',
                    348: 				       pick => 'Please select an action to perform using the new filename',
1.84      www       349:                                       );
1.106     bisitz    350:     my $mytype = $lt{'type'}; # avoid conflict with " and ' in javascript
1.64      raeburn   351:     $r->print(<<END);
1.117     harmsja   352: <div class="LC_columnSection">
1.116     bisitz    353:   <div>
                    354:     <form name="curractions" method="post" action="">
                    355:       <fieldset>
                    356:         <legend>$lt{'acti'}</legend>
                    357:         <select name="dirtask" onchange="currdiract(this.form)">
1.84      www       358:             <option>$lt{'sela'}</option>
                    359:             <option value="publish">$lt{'pubd'}</option>
1.113     schafran  360:             <option value="editmeta">$lt{'edit'}</option>
1.84      www       361:             <option value="printdir">$lt{'prnt'}</option>
1.88      raeburn   362:             <option value="delete">$lt{'dedr'}</option>
1.116     bisitz    363:         </select>
1.132     www       364:         <input type="hidden" name="filename" value="/priv$thisdisfn/" />
1.116     bisitz    365:       </fieldset>
                    366:     </form>
                    367:     <form name="publishdir" method="post" action="/adm/publish" target="_parent">
                    368:       <input type="hidden" name="pubrec" value="" />
                    369:       <input type="hidden" name="filename" value="" />
                    370:     </form>
                    371:     <form name="printdir" method="post" action="/adm/printout" target="_parent">
                    372:       <input type="hidden" name="postdata" value="" />
                    373:     </form>
                    374:   </div>
                    375: 
                    376:   <div>
                    377:     <form name="upublisher" enctype="multipart/form-data" method="post" action="/adm/upload" target="_parent">
                    378:       <fieldset>
                    379:         <legend>$lt{'updc'}</legend>
1.132     www       380:         <input type="hidden" name="filename" value="/priv$thisdisfn/" />
1.116     bisitz    381:         <input type="file" name="upfile" size="20" />
                    382:         <input type="button" value="$lt{'uplo'}"  onclick="checkUpload(this.form)" />
                    383:       </fieldset>
                    384:     </form>
                    385:   </div>
                    386: 
                    387:   <div>
                    388:     <form name="fileaction" method="post" action="/adm/cfile" target="_parent">
                    389:       <fieldset>
                    390:               <legend>$lt{'crea'}</legend>
                    391: 	      <span class="LC_nobreak">
1.132     www       392: 		<input type="hidden" name="filename" value="/priv$thisdisfn/" />
1.105     albertel  393:                   <script type="text/javascript">
                    394:                     function validate_go() {
                    395:                         var selected = document.fileaction.action.selectedIndex;
                    396:                         if (selected == 0) {
                    397:                             alert('$lt{'pick'}');
                    398:                         } else {
                    399:                             document.fileaction.submit();
                    400:                         }
                    401:                     }
                    402:                   </script>
                    403: 		  <select name="action">
                    404: 		    <option value="none">$lt{'sela'}</option>
                    405: 		    <option value="newfile">$lt{'nfil'}:</option>
                    406: 		    <option value="newhtmlfile">$lt{'nhtm'}:</option>
                    407: 		    <option value="newproblemfile">$lt{'nprb'}:</option>
                    408:                     <option value="newpagefile">$lt{'npag'}:</option>
                    409:                     <option value="newsequencefile">$lt{'nseq'}:</option>
                    410:                     <option value="newrightsfile">$lt{'ncrf'}:</option>
                    411:                     <option value="newstyfile">$lt{'nsty'}:</option>
                    412:                     <option value="newtaskfile">$lt{'nbt'}:</option>
                    413:                     <option value="newlibraryfile">$lt{'nlib'}:</option>
                    414: 	            <option value="newdir">$lt{'nsub'}:</option>
1.106     bisitz    415: 		  </select>&nbsp;<input type="text" name="newfilename" value="$lt{'type'}" onfocus="if (this.value == '$mytype') this.value=''" />&nbsp;<input type="button" value="Go" onclick="validate_go();" />
1.92      albertel  416: 		 </span>
1.116     bisitz    417:       </fieldset>
                    418:     </form>
                    419:   </div>
                    420: </div>
1.64      raeburn   421: END
                    422: }
                    423: 
                    424: sub resourceactions {
                    425:     my ($r,$uname,$udom,$thisdisfn) = @_;
                    426:     $r->print(<<END);
                    427:        <form name="moveresource" action="/adm/cfile" target="_parent" method="post">
                    428:          <input type="hidden" name="filename" value="" />
                    429:          <input type="hidden" name="newfilename" value="" />
                    430:          <input type="hidden" name="action" value="" />
                    431:        </form>
                    432:        <form name="delresource" action="/adm/cfile" target="_parent" method="post">
                    433:          <input type="hidden" name="filename" value="" />
                    434:          <input type="hidden" name="action" value="delete" />
                    435:        </form>
                    436:        <form name="pubresource" action="/adm/publish" target="_parent" method="post">
                    437:          <input type="hidden" name="filename" value="" />
1.80      www       438:          <input type="hidden" name="makeobsolete" value="0" />
1.64      raeburn   439:        </form>
                    440:        <form name="printresource" action="/adm/printout" target="_parent" method="post">
                    441:            <input type="hidden" name="postdata" value="" />
                    442:        </form>
                    443:        <form name="retrieveres" action="/adm/retrieve" target="_parent" method="post">
                    444:            <input type="hidden" name="filename" value="" />
                    445:        </form>
1.82      www       446:        <form name="cleanup" action="/adm/cleanup" target="_parent" method="post">
                    447:            <input type="hidden" name="filename" value="" />
                    448:        </form>
1.64      raeburn   449: END
1.23      foxr      450: }
                    451: 
                    452: #
                    453: #   Get the title string or "[untitled]" if the file has no title metadata:
                    454: #   Without the latter substitution, it's impossible to examine metadata for
                    455: #   untitled resources.  Resources may be legitimately untitled, to prevent
                    456: #   searches from locating them.
                    457: #
                    458: #   $str = getTitleString($fullname);
                    459: #       $fullname - Fully qualified filename to check.
                    460: #
                    461: sub getTitleString {
                    462:     my $fullname = shift;
                    463:     my $title    = &Apache::lonnet::metadata($fullname, 'title');
                    464: 
                    465:     unless ($title) {
1.40      www       466: 	$title = "[".&mt('untitled')."]";
1.23      foxr      467:     }
                    468:     return $title;
                    469: }
                    470: 
1.55      www       471: sub getCopyRightString {
                    472:     my $fullname = shift;
                    473:     return &Apache::lonnet::metadata($fullname, 'copyright');
                    474: }
1.61      www       475: 
                    476: sub getSourceRightString {
                    477:     my $fullname = shift;
                    478:     return &Apache::lonnet::metadata($fullname, 'sourceavail');
                    479: }
1.23      foxr      480: #
1.21      foxr      481: #  Put out a directory table row:
1.134     raeburn   482: #    putdirectory(r, base, here, dirname, modtime, targetdir, bombs, numdir)
                    483: #      r         - Apache request object.
                    484: #      reqfile   - File in request.
                    485: #      here      - Where we are in directory tree.
                    486: #      dirname   - Name of directory special file.
                    487: #      modtime   - Encoded modification time.
                    488: #      targetdir - Publication target directory.
                    489: #      bombs     - Reference to hash of URLs with runtime error messages.
                    490: #      numdir    - Reference to scalar used to track number of sub-directories
                    491: #                  in directory (used in form name for each "actions" dropdown).
                    492: #
1.21      foxr      493: sub putdirectory {
1.134     raeburn   494:     my ($r, $reqfile, $here, $dirname, $modtime, $targetdir, $bombs, $numdir) = @_;
1.129     www       495: 
                    496: # construct the display filename: the directory name unless ..:
1.133     www       497:    
                    498:     my $actionitem;
                    499:  
1.21      foxr      500:     my $disfilename = $dirname;
1.130     www       501: # Don't display directory itself, and there is no way up from root directory
1.133     www       502:     unless ((($dirname eq '..') && ($reqfile=~/^\/[^\/]+\/[^\/]+$/)) || ($dirname eq '.')) {
1.143     bisitz    503:         my $kaputt=0;
1.134     raeburn   504:         if (ref($bombs) eq 'HASH') {
1.143     bisitz    505:             foreach my $key (keys(%{$bombs})) {
                    506:                 my $currentdir = &Apache::lonnet::declutter("$targetdir/$disfilename");
                    507:                 if (($key) =~ m{^\Q$currentdir\E/}) { $kaputt=1; last; }
                    508:             }
1.134     raeburn   509:         }
1.129     www       510: #
                    511: # Get the metadata from that directory's default.meta to display titles
                    512: #
1.52      www       513: 	%Apache::lonpublisher::metadatafields=();
                    514: 	%Apache::lonpublisher::metadatakeys=();
1.129     www       515: 	&Apache::lonpublisher::metaeval(
                    516:                  &Apache::lonnet::getfile($r->dir_config('lonDocRoot').$here.'/'.$dirname.'/default.meta')
                    517:                                        );
1.133     www       518:         if ($dirname eq '..') {
1.109     bisitz    519:             $actionitem = &mt('Go to ...');
1.133     www       520:             $disfilename = '<i>'.&mt('Parent Directory').'</i>';
1.64      raeburn   521:         } else {
                    522:             $actionitem = 
                    523:                     '<form name="dirselect_'.$$numdir.
                    524:                     '" action="/adm/publish" target="_parent">'.
1.85      albertel  525:                     '<select name="diraction" onchange="SetPubDir(this.form,document)">'.
1.64      raeburn   526:                       '<option selected="selected">'.&mt('Select action').'</option>'.
                    527:                       '<option value="open">'.&mt('Open').'</option>'.
                    528:                       '<option value="publish">'.&mt('Publish').'</option>'.
1.113     schafran  529:                       '<option value="editmeta">'.&mt('Edit Metadata').'</option>'.
1.77      albertel  530:                       '<option value="printdir">'.&mt('Print directory').'</option>'.
1.88      raeburn   531:                       '<option value="delete">'.&mt('Delete directory').'</option>'.
1.64      raeburn   532:                     '</select>'.
1.129     www       533:                      '<input type="hidden" name="filename" value="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" />'.
1.75      albertel  534:                      '<input type="hidden" name="openname" value="'.$here.'/'.$dirname.'/" />'.
1.64      raeburn   535:                      '<input type="hidden" name="postdata" value="" />'.
                    536:                    '</form>';
                    537:             $$numdir ++;
                    538:         }
1.92      albertel  539: 	$r->print('<tr class="LC_browser_folder">'.
1.53      www       540: 		  '<td><img src="'.
1.123     bisitz    541: 		  $Apache::lonnet::perlvar{'lonIconsURL'}.'/navmap.folder.closed.gif" alt="folder" /></td>'.
1.64      raeburn   542: 		  '<td>'.$actionitem.'</td>'.
1.92      albertel  543: 		  '<td><span class="LC_filename"><a href="'.&HTML::Entities::encode($here.'/'.$dirname,'<>&"').'/" target="_parent">'.
                    544: 		  $disfilename.'</a></span></td>'.
1.134     raeburn   545: 		        '<td colspan="3">'.($kaputt?&Apache::lonhtmlcommon::authorbombs($targetdir.'/'.$disfilename.'/'):'').$Apache::lonpublisher::metadatafields{'title'});
1.92      albertel  546: 	if ($Apache::lonpublisher::metadatafields{'subject'} ne '') {
                    547: 	    $r->print(' <i>'.
                    548: 		      $Apache::lonpublisher::metadatafields{'subject'}.
                    549: 		      '</i> ');
                    550: 	}
                    551: 	$r->print($Apache::lonpublisher::metadatafields{'keywords'}.'</td>'.
1.42      www       552: 		  '<td>'.&Apache::lonlocal::locallocaltime($modtime).'</td>'.
1.25      www       553: 		  "</tr>\n");
1.64      raeburn   554:     }
1.21      foxr      555:     return OK;
                    556: }
1.22      foxr      557: #
                    558: #   Put a table row for a file resource.
                    559: #
                    560: sub putresource {
1.64      raeburn   561:     my ($r, $udom, $uname, $filename, $thisdisfn, 
1.22      foxr      562: 	$resdir, $targetdir, $linkdir,
1.64      raeburn   563: 	$cmtime,$bombs,$numres) = @_;
1.81      www       564:     &Apache::lonnet::devalidate_cache_new('meta',$targetdir.'/'.$filename);
1.64      raeburn   565:     my $pubstatus = 'unpublished';
1.47      sakharuk  566:     my $status=&mt('Unpublished');
1.92      albertel  567:     my $css_class='LC_browser_file';
1.143     bisitz    568:     my $title='';
1.60      albertel  569:     my $publish_button=&mt('Publish');
1.141     www       570:     my $cstr_dir = $r->dir_config('lonDocRoot').'/priv'.$thisdisfn;
1.131     www       571:     my $linkfilename=&HTML::Entities::encode('/priv'.$thisdisfn.'/'.$filename,'<>&"');
1.129     www       572: 
1.22      foxr      573:     if (-e $resdir.'/'.$filename) {
1.91      www       574:         my $same=0;
1.22      foxr      575: 	my ($rdev,$rino,$rmode,$rnlink,
                    576: 	    $ruid,$rgid,$rrdev,$rsize,
                    577: 	    $ratime,$rmtime,$rctime,
                    578: 	    $rblksize,$rblocks)=stat($resdir.'/'.$filename);
1.91      www       579:         if ($rmtime>=$cmtime) {
                    580:            $same=1;
                    581:         } else {
                    582:            if (&Apache::londiff::are_different_files($resdir.'/'.$filename,
1.95      albertel  583: 						     $cstr_dir.'/'.$filename)) {
1.91      www       584:               $same=0;
                    585:            } else {
                    586:               $same=1;
                    587:            }
                    588:         }
1.95      albertel  589: 	my $meta_cmtime = (stat($cstr_dir.'/'.$filename.'.meta'))[9];
                    590: 	my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
                    591: 	my $meta_same = 1;
                    592: 	if ($meta_rmtime < $meta_cmtime
                    593: 	    && &Apache::londiff::are_different_files($resdir.'/'.$filename.'.meta',
                    594: 						     $cstr_dir.'/'.$filename.'.meta')) {
                    595: 	    $meta_same = 0;
                    596: 	}
1.64      raeburn   597: 	$publish_button=&mt('Re-publish');
1.124     bisitz    598: 
                    599:         my $rights_status =
                    600:             &mt(&getCopyRightString($targetdir.'/'.$filename)).', ';
                    601: 
                    602:         my %lt_SourceRight = &Apache::lonlocal::texthash(
                    603:                'open'   => 'Source: open',
                    604:                'closed' => 'Source: closed',
                    605:         );
                    606:         $rights_status .=
                    607:             $lt_SourceRight{&getSourceRightString($targetdir.'/'.$filename)};
                    608: 
1.134     raeburn   609: 	$title = '<a href="'.$targetdir.'/'.$filename.
1.95      albertel  610: 	    '.meta" target="cat">'.
                    611: 	    &getTitleString($targetdir.'/'.$filename).'</a>';
1.91      www       612: 	if ($same) {
1.40      www       613: 	    if (&Apache::lonnet::metadata($targetdir.'/'.$filename,'obsolete')) {
1.64      raeburn   614:                 $pubstatus = 'obsolete';
1.41      www       615: 		$status=&mt('Obsolete');
1.95      albertel  616:             } else {
                    617: 		if (!$meta_same) {
                    618: 		    $pubstatus = 'metamodified';
                    619: 		} else {
                    620: 		    $pubstatus = 'published';
                    621: 		}
                    622: 		$status=&mt('Published').
                    623: 		    '<br />'. $rights_status;
                    624: 	    }
1.22      foxr      625: 	} else {
1.64      raeburn   626:             $pubstatus = 'modified';
1.95      albertel  627: 	    $status=&mt('Modified').
                    628: 		'<br />'. $rights_status;
1.22      foxr      629: 	    if (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
1.139     www       630: 		$status.='<br />'.
                    631:                          &Apache::loncommon::modal_link(
                    632:                              '/adm/diff?filename='.$linkfilename.'&amp;versiontwo=priv',
                    633:                              &mt('Diffs'),600,500);
1.22      foxr      634: 	    }
1.95      albertel  635: 	} 
                    636: 	if (!$meta_same) {
                    637: 	    $title = &mt('Metadata Modified').'<br />'.$title.
1.140     www       638: 		'<br />'.
                    639:                 &Apache::loncommon::modal_link(
1.141     www       640:                     '/adm/diff?filename='.$linkfilename.'.meta'.'&amp;versiontwo=priv',
1.140     www       641:                     &mt('Metadata Diffs'),600,500);
                    642: 	    $title.="\n".'<br />'.
                    643:                 &Apache::loncommon::modal_link(
                    644:                     '/adm/retrieve?filename='.$linkfilename.'.meta&amp;inhibitmenu=yes&amp;add_modal=yes',
                    645:                     &mt('Retrieve Metadata'),600,500);
1.95      albertel  646: 	}
1.140     www       647: 	$status.="\n".'<br />'.
                    648:              &Apache::loncommon::modal_link(
                    649:                  '/adm/retrieve?filename='.$linkfilename.'&amp;inhibitmenu=yes&amp;add_modal=yes',&mt('Retrieve'),600,500);
1.22      foxr      650:     }
1.143     bisitz    651:     # Allow editing metadata of published and unpublished resources
                    652:     $title .= "\n".'<br />' if ($title);
                    653:     $title .= '<a href="'.$linkfilename.'.meta">'.
                    654:               ($$bombs{&Apache::lonnet::declutter($targetdir.'/'.$filename)}?
                    655:                   '<img src="/adm/lonMisc/bomb.gif" border="0" alt="'.&mt('bomb').'" />':
                    656:                   &mt('Edit Metadata')).
                    657:               '</a>';
                    658: 
1.33      www       659:     my $editlink='';
1.38      taceyjo1  660:     my $editlink2='';
1.36      www       661:     if ($filename=~/\.(xml|html|htm|xhtml|xhtm|sty)$/) {
1.146     raeburn   662: 	$editlink=' <br />(<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&amp;problemmode=edit">'.&mt('Edit').'</a>)';
1.34      www       663:     }
1.136     www       664:     if ($filename=~/$LONCAPA::assess_re/) {
1.146     raeburn   665: 	$editlink=' (<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&amp;problemmode=editxml">'.&mt('EditXML').'</a>)';
                    666: 	$editlink2=' <br />(<a href="'.$linkdir.'/'.$filename.'?editmode=Edit&amp;problemmode=edit">'.&mt('Edit').'</a>)';
1.43      taceyjo1  667:     }
1.82      www       668:     if ($filename=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm|sty)$/) {
1.129     www       669: 	$editlink.=' (<a href="/adm/cleanup?filename='.$linkfilename.'" target="_parent">'.&mt('Clean Up').')</a>';
1.82      www       670:     }
1.43      taceyjo1  671:     if ($filename=~/\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
1.129     www       672: 	$editlink=' (<a target="_parent" href="/adm/cfile?decompress='.$linkfilename.'">'.&mt('Decompress').'</a>)';
1.33      www       673:     }
1.64      raeburn   674:     my $pub_select = '';
                    675:     &create_pubselect($r,\$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres);
1.115     bisitz    676:     $r->print(&Apache::loncommon::start_data_table_row().
1.53      www       677: 	      '<td>'.($filename=~/[\#\~]$/?'&nbsp;':
1.86      albertel  678: 		      '<img src="'.&Apache::loncommon::icon($filename).'" alt="" />').'</td>'.
1.64      raeburn   679:               '<td>'.$pub_select.'</td>'.
1.104     albertel  680: 	      '<td><span class="LC_filename">'.
1.64      raeburn   681: 	      '<a href="'.$linkdir.'/'.$filename.'" target="_parent">'.
1.92      albertel  682:                $filename.'</a></span>'.$editlink2.$editlink.
1.22      foxr      683: 	      '</td>'.
                    684: 	      '<td>'.$title.'</td>'.
1.115     bisitz    685:               '<td class="LC_browser_file_'.$pubstatus.'">&nbsp;&nbsp;</td>'. # Display publication status
                    686:               '<td>'.$status.'</td>'.
1.42      www       687: 	      '<td>'.&Apache::lonlocal::locallocaltime($cmtime).'</td>'.
1.115     bisitz    688: 	      &Apache::loncommon::end_data_table_row()
                    689:     );
1.22      foxr      690:     return OK;
1.23      foxr      691: }
1.64      raeburn   692: 
                    693: sub create_pubselect {
                    694:     my ($r,$pub_select,$udom,$uname,$thisdisfn,$filename,$resdir,$pubstatus,$publish_button,$numres) = @_;
                    695:     $$pub_select = '
                    696: <form name="resselect_'.$$numres.'" action="">
1.85      albertel  697: <select name="reschoice"  onchange="SetResChoice(this.form)">
1.77      albertel  698: <option>'.&mt('Select action').'</option>'.
                    699: '<option value="copy">'.&mt('Copy').'</option>';
1.68      raeburn   700:     if ($pubstatus eq 'obsolete' || $pubstatus eq 'unpublished') {
                    701:         $$pub_select .= 
1.77      albertel  702: '<option value="rename">'.&mt('Rename').'</option>'.
                    703: '<option value="move">'.&mt('Move').'</option>'.
                    704: '<option value="delete">'.&mt('Delete').'</option>';
1.64      raeburn   705:     } else {
                    706:         $$pub_select .= '
1.77      albertel  707: <option value="obsolete">'.&mt('Mark obsolete').'</option>';
1.64      raeburn   708:     }
                    709: # check for versions
                    710:     my $versions = &check_for_versions($r,'/'.$filename,$udom,$uname);
                    711:     if ($versions > 0) {
                    712:         $$pub_select .='
1.77      albertel  713: <option value="retrieve">'.&mt('Retrieve old version').'</option>';
1.64      raeburn   714:     }
                    715:     $$pub_select .= '
1.77      albertel  716: <option value="publish">'.$publish_button.'</option>'.
1.82      www       717: '<option value="cleanup">'.&mt('Clean up').'</option>'.
1.77      albertel  718: '<option value="print">'.&mt('Print').'</option>'.
1.68      raeburn   719: '</select>
1.131     www       720: <input type="hidden" name="filename" value="/priv'.
                    721:  &HTML::Entities::encode($thisdisfn.'/'.$filename,'<>&"').'" />
1.96      banghart  722:  <input type="hidden" name="dispfilename" value="'.
1.99      albertel  723:  &HTML::Entities::encode($filename).'" /></form>';
1.64      raeburn   724:     $$numres ++;
                    725: }
                    726: 
                    727: sub check_for_versions {
                    728:     my ($r,$fn,$udom,$uname) = @_;
                    729:     my $versions = 0;
                    730:     my $docroot=$r->dir_config('lonDocRoot');
                    731:     my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
                    732:     my $resdir=$resfn;
                    733:     $resdir=~s/\/[^\/]+$/\//;
                    734:     $fn=~/\/([^\/]+)\.(\w+)$/;
                    735:     my $main=$1;
                    736:     my $suffix=$2;
                    737:     opendir(DIR,$resdir);
                    738:     while (my $filename=readdir(DIR)) {
                    739:         if ($filename=~/^\Q$main\E\.(\d+)\.\Q$suffix\E$/) {
                    740:             $versions ++;        
                    741:         }
                    742:     }
                    743:     return $versions;
                    744: }
                    745: 
1.4       www       746: 1;
                    747: __END__
1.17      harris41  748: 
                    749: 
1.114     jms       750: =head1 NAME
                    751: 
1.145     raeburn   752: Apache::lonpubdir - Authoring space directory lister
1.114     jms       753: 
                    754: =head1 SYNOPSIS
                    755: 
                    756: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
                    757: 
1.134     raeburn   758:  <LocationMatch "^/+priv.*/$">
1.114     jms       759:  PerlAccessHandler       Apache::loncacc
                    760:  SetHandler perl-script
                    761:  PerlHandler Apache::lonpubdir
                    762:  ErrorDocument     403 /adm/login
                    763:  ErrorDocument     404 /adm/notfound.html
                    764:  ErrorDocument     406 /adm/unauthorized.html
                    765:  ErrorDocument	  500 /adm/errorhandler
                    766:  </LocationMatch>
                    767: 
                    768:  <Location /adm/pubdir>
                    769:  PerlAccessHandler       Apache::lonacc
                    770:  SetHandler perl-script
                    771:  PerlHandler Apache::lonpubdir
                    772:  ErrorDocument     403 /adm/login
                    773:  ErrorDocument     404 /adm/notfound.html
                    774:  ErrorDocument     406 /adm/unauthorized.html
                    775:  ErrorDocument	  500 /adm/errorhandler
                    776:  </Location>
                    777: 
                    778: =head1 INTRODUCTION
                    779: 
                    780: This module publishes a directory of files.
                    781: 
                    782: This is part of the LearningOnline Network with CAPA project
                    783: described at http://www.lon-capa.org.
                    784: 
                    785: =head1 HANDLER SUBROUTINE
                    786: 
                    787: This routine is called by Apache and mod_perl.
                    788: 
                    789: =over 4
                    790: 
                    791: =item *
                    792: 
                    793: read in information
                    794: 
                    795: =item *
                    796: 
                    797: start page output
                    798: 
                    799: =item *
                    800: 
                    801: run through list of files and attempt to publish unhidden files
                    802: 
                    803: =back
                    804: 
                    805: =head1 SUBROUTINES:
                    806: 
                    807: =over
                    808: 
                    809: =item startpage($r, $uame, $udom, $thisdisfn)
                    810: 
                    811: Output the header of the page.  This includes:
                    812:  - The HTML header 
                    813:  - The H1/H3  stuff which includes the directory.
                    814:  
                    815:     startpage($r, $uame, $udom, $thisdisfn);
                    816:         $r     - The apache request object.
                    817:         $uname - User name.
                    818:         $udom  - Domain name the user is logged in under.
                    819:         $thisdisfn - Displayable version of the filename.
                    820: 
                    821: =item getTitleString($fullname)
                    822: 
                    823:     Get the title string or "[untitled]" if the file has no title metadata:
                    824:     Without the latter substitution, it's impossible to examine metadata for
                    825:     untitled resources.  Resources may be legitimately untitled, to prevent
                    826:     searches from locating them.
                    827:     
                    828:     $str = getTitleString($fullname);
                    829:         $fullname - Fully qualified filename to check.
                    830: 
1.134     raeburn   831: =item putdirectory($r, $base, $here, $dirname, $modtime, $targetdir, $bombs,
                    832:                    $numdir)
1.114     jms       833: 
                    834:     Put out a directory table row:
                    835:     
1.134     raeburn   836:         $r        - Apache request object.
                    837:         $reqfile  - File in request.
                    838:         $here     - Where we are in directory tree.
                    839:         $dirname  - Name of directory special file.
                    840:         $modtime  - Encoded modification time.
                    841:         targetdir - Publication target directory.
                    842:         bombs     - Reference to hash of URLs with runtime error messages.
                    843:         numdir    - Reference to scalar used to track number of sub-directories
                    844:                     in directory (used in form name for each "actions" dropdown).
1.114     jms       845: 
                    846: =back
                    847: 
                    848: =cut
                    849: 

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