1: # The LearningOnline Network
2: # RSS Feeder
3: #
4: # $Id: lonrss.pm,v 1.62 2022/01/20 00:06:16 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::lonrss;
30:
31: use strict;
32: use LONCAPA;
33: use Apache::Constants qw(:common);
34: use Apache::loncommon;
35: use Apache::lonnet;
36: use Apache::lontexconvert;
37: use Apache::lonlocal;
38: use Apache::lonhtmlcommon;
39: use Apache::inputtags();
40:
41: sub filterfeedname {
42: my $filename=shift;
43: $filename=~s/(\_rss\.html|\.rss)$//;
44: $filename=~s/\W//g;
45: $filename=~s/\_rssfeed$//;
46: $filename=~s/^nohist\_//;
47: return $filename;
48: }
49:
50: sub feedname {
51: return 'nohist_'.&filterfeedname(shift).'_rssfeed';
52: }
53:
54: sub displayfeedname {
55: my ($rawname,$uname,$udom)=@_;
56: my $filterfilename=&filterfeedname($rawname);
57: # do we have a stored name?
58: my %stored=&Apache::lonnet::get('nohist_all_rss_feeds',[$filterfilename,'feed_display_option_'.$filterfilename],$udom,$uname);
59: if ($stored{$filterfilename}) { return ($stored{$filterfilename},$stored{'feed_display_option_'.$filterfilename}); }
60: # no, construct a name
61: my $name=$filterfilename;
62: if ($name=~/^CourseBlog/) {
63: $name=&mt('Course Blog');
64: if ($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Community') {
65: $name = &mt('Community Blog');
66: }
67: if ($env{'course.'.$env{'request.course.id'}.'.description'}) {
68: $name.=' '.$env{'course.'.$env{'request.course.id'}.'.description'};
69: }
70: } else {
71: $name=~s/\_/ /g;
72: }
73: return ($name,$stored{'feed_display_option_'.$filterfilename});
74: }
75:
76: sub namefeed {
77: my ($rawname,$uname,$udom,$newname)=@_;
78: return &Apache::lonnet::put('nohist_all_rss_feeds',
79: { &filterfeedname($rawname) => $newname },
80: $udom,$uname);
81: }
82:
83: sub changefeeddisplay {
84: my ($rawname,$uname,$udom,$newstatus)=@_;
85: return &Apache::lonnet::put('nohist_all_rss_feeds',
86: { 'feed_display_option_'.&filterfeedname($rawname) => $newstatus },
87: $udom,$uname);
88: }
89:
90: sub advertisefeeds {
91: my ($uname,$udom,$edit,$count,$hidden)=@_;
92: my $feeds='';
93: my %feednames=&Apache::lonnet::dump('nohist_all_rss_feeds',$udom,$uname);
94: my $mode='public';
95: if ($edit) {
96: $mode='adm';
97: }
98: my $server = &Apache::lonnet::absolute_url();
99: foreach my $feed (sort(keys(%feednames))) {
100: next if ($feed =~/^\s*$/ ||
101: $feed =~ /^error:/ ||
102: $feed =~ /^feed_display_option_/);
103: if ($feednames{'feed_display_option_'.$feed} eq 'hidden') {
104: if (ref($hidden)) {
105: $$hidden ++;
106: }
107: if (ref($count)) {
108: unless ($edit) {
109: next;
110: }
111: }
112: } else {
113: if (ref($count)) {
114: $$count ++;
115: }
116: }
117: my $feedurl= $server.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
118: my $htmlurl= $server.'/'.$mode.'/'.$udom.'/'.$uname.'/'.$feed.'_rss.html';
119: if ($feednames{'feed_display_option_'.$feed} eq 'hidden') {
120: if ($edit) {
121: $feeds.='<li><i>'.$feednames{$feed}.'</i><br />'.&mt('Hidden').': <a href="'.$htmlurl.'"><tt>'.$htmlurl.'</tt></a></li>';
122: }
123: } else {
124: $feeds.='<li><b>'.$feednames{$feed}.
125: '</b><br />'.($edit?&mt('Edit'):'HTML').': <a href="'.$htmlurl.'"><tt>'.$feednames{$feed}.' HTML</tt></a>'.
126: '<br />'.&mt('Public RSS/podcast (subscribe to)').': <a href="'.$feedurl.'"><tt>'.$feednames{$feed}.' RSS/Podcast</tt></a></li>';
127: }
128: }
129: if ($feeds) {
130: return '<h4>'.&mt('Available RSS Feeds and Blogs').'</h4><ul>'.$feeds.'</ul>';
131: } elsif (!$edit) {
132: return '<h4>'.&mt('No available RSS Feeds and Blogs').'</h4>';
133: }
134: }
135:
136: sub rss_link {
137: my ($uname,$udom)=@_;
138: my $result;
139: my $server = &Apache::lonnet::absolute_url();
140: my %feednames=&Apache::lonnet::dump('nohist_all_rss_feeds',$udom,$uname);
141: foreach my $feed (sort(keys(%feednames))) {
142: next if ($feed =~/^\s*$/ ||
143: $feed =~ /^error:/ ||
144: $feed =~/^feed_display_option_/ );
145: my $url= $server.'/public/'.$udom.'/'.$uname.'/'.$feed.'.rss';
146: my $title = $feed;
147: $title =~ s/_/ /g;
148: $result.=qq|
149: <link rel="alternate" type="application/rss+xml" title="$title" href="$url" />
150: |;
151: }
152: return $result;
153: }
154:
155: {
156: my $feedcounter;
157: sub get_new_feed_id {
158: $feedcounter++;
159: return time().'00000'.$$.'00000'.$feedcounter;
160: }
161: }
162:
163: sub addentry {
164: my $id=&get_new_feed_id();
165: return &editentry($id,@_);
166: }
167:
168: sub editentry {
169: my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;
170: if ($status eq 'deleted') {
171: return &changestatus($id,$uname,$udom,$filename,$status);
172: }
173: my $feedname=&feedname($filename);
174: &Apache::lonnet::put('nohist_all_rss_feeds',
175: { &filterfeedname($filename) =>
176: (&displayfeedname($filename,$uname,$udom))[0] },
177: $udom,$uname);
178: return &Apache::lonnet::put($feedname,{
179: $id.'_title' => $title,
180: $id.'_description' => $description,
181: $id.'_link' => $url,
182: $id.'_enclosureurl' => $encurl,
183: $id.'_enclosuretype' => $enctype,
184: $id.'_status' => $status},$udom,$uname);
185: }
186:
187: sub changestatus {
188: my ($id,$uname,$udom,$filename,$status)=@_;
189: my $feedname=&feedname($filename);
190: if ($status eq 'deleted') {
191: return &Apache::lonnet::del($feedname,[$id.'_title',
192: $id.'_description',
193: $id.'_link',
194: $id.'_enclosureurl',
195: $id.'_enclosuretype',
196: $id.'_status'],$udom,$uname);
197: } else {
198: return &Apache::lonnet::put($feedname,{$id.'_status' => $status},$udom,$uname);
199: }
200: }
201:
202: sub changed_js {
203: return <<ENDSCRIPT;
204: <script type="text/javascript">
205: function changed(tform,id) {
206: tform.elements[id+"_modified"].checked=true;
207: }
208: </script>
209: ENDSCRIPT
210: }
211:
212: sub determine_enclosure_types {
213: my ($url)=@_;
214: my ($ending)=($url=~/\.(\w+)$/);
215: return &Apache::loncommon::filemimetype($ending);
216: }
217:
218: sub course_blog_link {
219: my ($id,$title,$description,$url,$encurl,$enctype)=@_;
220: if ($env{'request.course.id'}) {
221: return &add_blog_entry_link($id,
222: $env{'course.'.$env{'request.course.id'}.'.num'},
223: $env{'course.'.$env{'request.course.id'}.'.domain'},
224: 'Course_Announcements',
225: $title,$description,$url,'public',$encurl,$enctype,
226: &mt('Add to Course Announcements'));
227: } else {
228: return '';
229: }
230: }
231:
232: sub add_blog_entry_link {
233: my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype,$linktext)=@_;
234: return "<a href='/adm/$udom/$uname/".&filterfeedname($filename).'_rss.html?queryid='.
235: &escape($id).
236: '&title='.&escape($title).
237: '&description='.&escape($description).
238: '&url='.&escape($url).
239: '&status='.&escape($status).
240: '&encurl='.&escape($encurl).
241: '&enctype='.&escape($enctype).
242: "'>".$linktext.'</a>';
243:
244: }
245:
246: sub blocking_blogdisplay {
247: my ($uname,$udom,$html,$filterfeedname,$clientip) = @_;
248: my $user = &Apache::loncommon::plainname($uname,$udom);
249: if ($html) {
250: $user = &Apache::loncommon::aboutmewrapper($user,$uname,$udom);
251: } else {
252: $user = $user.' ('.$uname.':'.$udom.')';
253: }
254: my %setters;
255: my ($blocked,$output,$blockcause);
256: my ($startblock,$endblock,$triggerblock,$by_ip,$blockdom) =
257: &Apache::loncommon::blockcheck(\%setters,'blogs',$clientip);
258: if ($startblock && $endblock) {
259: $blockcause = 'user';
260: } elsif ($by_ip) {
261: $blockcause = 'ip';
262: } else {
263: if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
264: ($startblock,$endblock) =
265: &Apache::loncommon::blockcheck(\%setters,'blogs',$clientip,
266: $uname,$udom);
267: $blockcause = 'blogowner';
268: }
269: }
270: if (($startblock && $endblock) || ($by_ip)) {
271: $blocked = 1;
272: if ($startblock && $endblock) {
273: my $showstart = &Apache::lonlocal::locallocaltime($startblock);
274: my $showend = &Apache::lonlocal::locallocaltime($endblock);
275: $output = &mt('Blogs belonging to [_1] are unavailable from [_2] to [_3].',$user,$showstart,$showend);
276: } else {
277: $output = &mt('Blogs are unavailable from your current IP address: [_1].',$clientip);
278: }
279: if ($html) {$output.='<br />';}
280: if ($blockcause eq 'user') {
281: $output .= &mt('This is because you are a student in one or more courses in which communication is being blocked.');
282: if ($html) {
283: #$output .= '<br />'.
284: #&Apache::loncommon::build_block_table($startblock,
285: # $endblock,\%setters);
286: my ($blocked, $blocktext) = Apache::loncommon::blocking_status('blogs',$clientip);
287: $output .= '<br /><br />'.$blocktext;
288: }
289: } elsif ($blockcause eq 'ip') {
290: my $showdom = &Apache::lonnet::domain($blockdom);
291: if ($showdom eq '') {
292: $showdom = $blockdom;
293: }
294: $output .= &mt('This restriction was set by an administrator in the [_1] LON-CAPA domain.',$showdom);
295: } else {
296: $output .= &mt('This is because the blog owner is a student in one or more courses in which communication is being blocked.');
297: }
298: if (!$html) {
299: my $id = &get_new_feed_id();
300: $output = '<title/><item><title/><description>'.$output."</description><link/><guid isPermaLink='false'>".$id.$filterfeedname.'_'.$udom.'_'.$uname.'</guid></item>';
301: }
302: }
303: return ($blocked,$output);
304: }
305:
306: sub handler {
307: my ($r) = @_;
308:
309: my $edit=0;
310: my $html=0;
311: my (undef,$mode,$udom,$uname,$filename)=split(/\//,$r->uri);
312: if (($mode eq 'adm') && ($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
313: $edit=1;
314: $html=1;
315: }
316: if (($mode eq 'adm') && (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))
317: && ($uname eq $env{'course.'.$env{'request.course.id'}.'.num'} &&
318: $udom eq $env{'course.'.$env{'request.course.id'}.'.domain'})) {
319: $edit=1;
320: $html=1;
321: }
322: if ($filename=~/\.html$/) {
323: $html=1;
324: }
325: if ($html) {
326: &Apache::loncommon::content_type($r,'text/html');
327: } else {
328: # Workaround Mozilla/Firefox
329: # &Apache::loncommon::content_type($r,'application/rss+xml');
330: &Apache::loncommon::content_type($r,'text/xml');
331: }
332: $r->send_http_header;
333: return OK if $r->header_only;
334:
335: my $filterfeedname=&filterfeedname($filename);
336: my $feedname=&feedname($filename);
337: my ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
338: my ($blocked,$blocktext,$disabled,$disabletext);
339: if (!&Apache::lonnet::is_course($udom,$uname)) {
340: my $clientip = &Apache::lonnet::get_requestor_ip($r);
341: ($blocked,$blocktext) = &blocking_blogdisplay($uname,$udom,$html,$filterfeedname,$clientip);
342: if (&Apache::lonnet::usertools_access($uname,$udom,'blog')) {
343: $disabled = 0;
344: } else {
345: $disabled = 1;
346: if ($html) {
347: $disabletext = '<h2>'.&mt('No user blog available') .'</h2>'.
348: &mt('This is a result of one of the following:').'<ul>'.
349: '<li>'.&mt('The administrator of this domain has disabled blog functionality for this specific user.').'</li>'.
350: '<li>'.&mt('The domain has been configured to disable, by default, blog functionality for all users in the domain.').'</li>'.
351: '</ul>';
352: } else {
353: $disabletext = &mt('No user blog available');
354: }
355: }
356: }
357: if ($html) {
358: # my $title = $displayfeedname?$displayfeedname:"Available RSS Feeds and Blogs";
359: my $title = "My Space";
360: my $rss_link = &Apache::lonrss::rss_link($uname,$udom);
361: my $head_extra = $rss_link.'<script type="text/javascript" '
362: .'src="/res/adm/includes/file_upload.js"></script>';
363: my $brcrumb = [{href=>$rss_link,text=>"Available RSS Feeds and Blogs"}];
364: $r->print(&Apache::loncommon::start_page($title,$head_extra,
365: {'bread_crumbs' => $brcrumb,
366: 'domain' => $udom,
367: 'force_register' => $env{'form.register'}}).
368: &changed_js());
369: } else { # render RSS
370: my $server = &Apache::lonnet::absolute_url();
371: $r->print("<rss version='2.0' xmlns:dc='http://purl.org/dc/elements/1.1'>\n<channel>".
372: "\n".'<link>'.$server.'/public/'.$udom.'/'.$uname.'/'.
373: $filterfeedname.'_rss.html</link>'.
374: "\n<description>".
375: &mt('An RSS Feed provided by the LON-CAPA Learning Content Management System').
376: '</description>');
377: }
378: # This will be the entry id for new additions to the blog
379: my $newid = &get_new_feed_id();
380: # Is this user for real?
381: my $homeserver=&Apache::lonnet::homeserver($uname,$udom);
382: if ($html && !$blocked && !$disabled) {
383: # Any new feeds or renaming of feeds?
384: if ($edit) {
385: # Hide a feed?
386: if ($env{'form.hidethisblog'}) {
387: &changefeeddisplay($feedname,$uname,$udom,'hidden');
388: ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
389: }
390: # Advertise a feed?
391: if ($env{'form.advertisethisblog'}) {
392: &changefeeddisplay($feedname,$uname,$udom,'public');
393: ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
394: }
395: # New feed?
396: if ($env{'form.namenewblog'}=~/\w/) {
397: &namefeed($env{'form.namenewblog'},$uname,$udom,$env{'form.namenewblog'});
398: }
399: # Old feed that is being renamed?
400: if (($displayfeedname) && ($env{'form.newblogname'}=~/\w/)) {
401: if ($env{'form.newblogname'} ne $displayfeedname) {
402: &namefeed($feedname,$uname,$udom,$env{'form.newblogname'});
403: ($displayfeedname,$displayoption)=&displayfeedname($filename,$uname,$udom);
404: }
405: }
406: }
407: $r->print(&advertisefeeds($uname,$udom,$edit));
408: }
409: if ($homeserver eq 'no_host') {
410: $r->print(($html?'<h3>':'<title>').&mt('No feed available').($html?'</h3>':'</title>'));
411: } elsif ($blocked) {
412: $r->print($blocktext);
413: $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
414: } elsif ($disabled) {
415: $r->print($disabletext);
416: $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
417: } else { # is indeed a user
418: # Course or user?
419: my $name='';
420: if (&Apache::lonnet::is_course($udom,$uname)) {
421: my %cenv=&Apache::lonnet::dump('environment',$udom,$uname);
422: $name=$cenv{'description'};
423: } else {
424: $name=&Apache::loncommon::nickname($uname,$udom);
425: }
426: # Add a new feed
427: if (($html) && ($edit)) {
428: $r->print('<h4>' . &mt('New RSS Feed or Blog'). '</h4>');
429: $r->print('<form method="post" name="makenewfeed" action="">');
430: $r->print(&mt('Name').": <input type='text' size='40' name='namenewblog' />");
431: $r->print('<input type="submit" value="'.&mt('New Feed').'" />');
432: $r->print('</form>');
433: }
434: if ($displayfeedname) { # this is an existing feed
435: # Anything to store?
436: if ($edit) {
437: # check if this was called with a query string
438: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['queryid']);
439: if ($env{'form.queryid'}) {
440: # yes, collect the remainder
441: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
442: ['title',
443: 'description',
444: 'url',
445: 'status',
446: 'enclosureurl',
447: 'enclosuretype']);
448:
449: # my ($id,$uname,$udom,$filename,$title,$description,$url,$status,$encurl,$enctype)=@_;
450:
451:
452: &editentry($env{'form.queryid'},
453: $uname,$udom,$filename,
454: $env{'form.title'},
455: $env{'form.description'},
456: $env{'form.url'},
457: $env{'form.status'},
458: $env{'form.encurl'},
459: $env{'form.enctype'}
460: );
461: }
462:
463: # store away the fields modified in the online form
464: my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
465: foreach my $entry (sort(keys(%newsfeed)),$env{'form.newid'}.'_status') {
466: if ($entry=~/^(\d+)\_status$/) {
467: my $id=$1;
468: if ($env{'form.'.$id.'_modified'}) {
469: &editentry($id,$uname,$udom,$feedname,
470: $env{'form.'.$id.'_title'},
471: $env{'form.'.$id.'_description'},
472: $env{'form.'.$id.'_link'},
473: $env{'form.'.$id.'_status'},
474: $env{'form.'.$id.'_enclosureurl'},
475: $env{'form.'.$id.'_enclosuretype'},
476: );
477: }
478: }
479: }
480:
481: # see if we have any uploaded or portfolio files
482: my @uploadeditems=();
483:
484: if ($env{'form.HWFILE0_0'}) {
485: # We have an uploaded file - store it away.
486: $uploadeditems[0]=&Apache::lonnet::userfileupload('HWFILE0_0',undef,'portfolio/podcasts');
487: }
488: if ($env{'form.HWPORT0_0'}) {
489: # Selected portfolio files
490: foreach my $filename (split(/\,/,$env{'form.HWPORT0_0'})) {
491: if ($filename) {
492: # construct full path and remember
493: push(@uploadeditems,'/uploaded/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/portfolio'.$filename);
494: }
495: }
496: }
497: # the zeroth item should be stored together with the last displayed (newid) field
498: if ($uploadeditems[0]) {
499: my $id=$env{'form.newid'};
500: &editentry($id,$uname,$udom,$feedname,
501: $env{'form.'.$id.'_title'},
502: $env{'form.'.$id.'_description'},
503: $env{'form.'.$id.'_link'},
504: $env{'form.'.$id.'_status'},
505: $uploadeditems[0],
506: &Apache::loncommon::filemimetype(($uploadeditems[0]=~/\.(\w+)$/)[0]),
507: );
508: &Apache::lonnet::make_public_indefinitely($uploadeditems[0]);
509: }
510: # if there are more files, they need new entries, since each can only have one enclosure
511: for (my $i=1; $i<=$#uploadeditems; $i++) {
512: my $id = &get_new_feed_id().$i;
513: &editentry($id,$uname,$udom,$feedname,
514: 'New Entry',
515: '',
516: '',
517: 'public',
518: $uploadeditems[$i],
519: &Apache::loncommon::filemimetype(($uploadeditems[$i]=~/\.(\w+)$/)[0]),
520: );
521: &Apache::lonnet::make_public_indefinitely($uploadeditems[$i]);
522: }
523: } #done storing
524:
525: # Render private items?
526: my $viewpubliconly=1;
527: $r->print("\n".
528: ($html?'<hr /><h3>':'<title>').
529: &mt('LON-CAPA Feed "[_1]" for [_2]',$displayfeedname,$name).
530: ($displayoption eq 'hidden'?' ('.&mt('Hidden').')':'').
531: ($html?'</h3>'.($edit?'<form method="post" name="lonhomework" enctype="multipart/form-data" action=""><br />'.
532: &mt('Name of this Feed').
533: ': <input type="text" size="50" name="newblogname" value="'.
534: $displayfeedname.'" />':'').'<ul>':'</title>'));
535: if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
536: $viewpubliconly=0;
537: }
538: # Get feed items
539: my %newsfeed=&Apache::lonnet::dump($feedname,$udom,$uname);
540: foreach my $entry (sort {$b cmp $a} (keys(%newsfeed)),$newid.'_status') {
541: if ($entry=~/^(\d+)\_status$/) { # is an entry
542: my $id=$1;
543: if ($edit) {
544: my %lt=&Apache::lonlocal::texthash('public' => 'public',
545: 'private' => 'private',
546: 'hidden' => 'hidden',
547: 'delete' => 'delete',
548: 'store' => 'Select',
549: 'title' => 'Title',
550: 'link' => 'Link',
551: 'description' => 'Description',
552: 'enc' => 'Podcasted enclosure');
553: my $uploadlink;
554: if ($entry==$newid) {
555: # Generate upload link only for last (new) entry
556: # Calculate the quota space available in the user's portfolio
557: my $disk_quota = &Apache::loncommon::get_user_quota($env{'user.name'},
558: $env{'user.domain'}); # expressed in MB
559: my $portfolio_root = '/userfiles/portfolio';
560: my $getpropath = 1;
561: my $current_disk_usage = &Apache::lonnet::diskusage(
562: $env{'user.domain'}, $env{'user.name'},
563: $portfolio_root, $getpropath); # Expressed in kB
564: # Convert to MB for use in file_selector()
565: my $free_space = $disk_quota - ($current_disk_usage / 1024.);
566: # Format this number since it will be displayed onscreen
567: $free_space = sprintf("%.1f", $free_space);
568: $uploadlink=&Apache::inputtags::file_selector(0,0,'*','both','',$free_space);
569: } else {
570: # Otherwise, display
571: $uploadlink='<tt>'.$newsfeed{$id.'_enclosureurl'}.'</tt>'.
572: "<input type='hidden' name='$id\_enclosureurl' value='$newsfeed{$id.'_enclosureurl'}' />".
573: "<input type='hidden' name='$id\_enclosuretype' value='$newsfeed{$id.'_enclosuretype'}' />";
574: }
575: my %status=();
576: unless ($newsfeed{$id.'_status'}) { $newsfeed{$id.'_status'}='public'; }
577: $status{$newsfeed{$id.'_status'}}='checked="checked"';
578: $r->print(<<ENDEDIT);
579: <li>
580: <label><input name='$id\_modified' type='checkbox' value="modified" /> $lt{'store'}</label>
581:
582: <label><input name='$id\_status' type="radio" value="public" $status{'public'} onclick="changed(this.form,'$id');" /> $lt{'public'}</label>
583:
584: <label><input name='$id\_status' type="radio" value="private" $status{'private'} onclick="changed(this.form,'$id');" /> $lt{'private'}</label>
585:
586: <label><input name='$id\_status' type="radio" value="hidden" $status{'hidden'} onclick="changed(this.form,'$id');" /> $lt{'hidden'}</label>
587:
588: <label><input name='$id\_status' type="radio" value="deleted" onclick="changed(this.form,'$id');" /> $lt{'delete'}</label>
589: <br />
590: $lt{'title'}:
591: <input name='$id\_title' type='text' size='60' value='$newsfeed{$id.'_title'}' onchange="changed(this.form,'$id');" /><br />
592: $lt{'description'}:<br />
593: <textarea name='$id\_description' rows="6" cols="80" onchange="changed(this.form,'$id');">$newsfeed{$id.'_description'}</textarea><br />
594: $lt{'link'}:
595: <input name='$id\_link' type='text' size='60' value='$newsfeed{$id.'_link'}' onchange="changed(this.form,'$id');" /><br />
596: $lt{'enc'} -
597: $uploadlink
598: <hr /></li>
599: ENDEDIT
600: } else { # not in edit mode, just displaying
601: if (($newsfeed{$id.'_status'} ne 'public') && ($viewpubliconly)) { next; }
602: if ($newsfeed{$id.'_status'} eq 'hidden') { next; }
603: my $link = $newsfeed{$id.'_link'};
604: if ($link =~ m|^/| ) {
605: $link = "http://".$ENV{'HTTP_HOST'}.$link;
606: }
607: $r->print("\n".($html?"\n<li><b>":"<item>\n<title>").$newsfeed{$id.'_title'}.
608: ($html?"</b><br />\n":"</title>\n<description>").
609: $newsfeed{$id.'_description'}.
610: ($html?"<br />":"</description>\n").
611: ($link?($html?"\n<a href='":"<link>").
612: $link.
613: ($html?("'>".&mt('Read more')."</a><br />\n"):"</link>\n"):''));
614: my $enclosure=$newsfeed{$id.'_enclosureurl'};
615: # Enclosure? Get stats
616: if ($enclosure) {
617: my @stat=&Apache::lonnet::stat_file($enclosure);
618: if ($stat[7]) {
619: # Has non-zero length (and exists)
620: my $enclosuretype=$newsfeed{$id.'_enclosuretype'};
621: if ($enclosure =~ m|^/| ) {
622: $enclosure = "http://".$ENV{'HTTP_HOST'}.$enclosure;
623: }
624: $r->print(($html?"<a href='":"\n<enclosure url='").
625: $enclosure."' length='".$stat[7].
626: "' type='".$enclosuretype.($html?"'>".&mt('Enclosure')."</a>":"' />"));
627: }
628: }
629: if ($html) { # is HTML
630: $r->print("\n<hr /></li>\n");
631: } else { # is RSS
632: $r->print("\n<guid isPermaLink='false'>".$id.$filterfeedname.'_'.$udom.'_'.$uname."</guid></item>\n");
633: }
634: } # end of "in edit mode"
635: } # end of rendering a real entry
636: } # end of loop through all keys
637: if ($html) {
638: $r->print('</ul>');
639: if ($edit) {
640: $r->print('<input type="hidden" name="newid" value="'.$newid.'"/><input type="submit" value="'.&mt('Save Selected').'" />'.
641: ($displayoption eq 'hidden'?'<input type="submit" name="advertisethisblog" value="'.&mt('Advertise this Feed').'" />':
642: '<input type="submit" name="hidethisblog" value="'.&mt('Hide this Feed').'" />'));
643: }
644: $r->print('</form>');
645: }
646: } # was a real display feedname
647: $r->print(($html?&Apache::loncommon::end_page():'</channel></rss>'."\n"));
648: } # a real user
649: return OK;
650: } # end handler
651: 1;
652: __END__
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