1: #!/usr/bin/perl
2: $|=1;
3: # Display quotas for uploaded course content, current disk usage and
4: # percent usage for courses and communities for requested domain.
5: # Requester should either be an active domain coordinator in
6: # requested domain, or current server should belong to requested
7: # domain.
8: #
9: # $Id: quotacheck.pl,v 1.7 2014/08/23 18:54:45 raeburn Exp $
10: #
11: # Copyright Michigan State University Board of Trustees
12: #
13: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
14: #
15: # LON-CAPA is free software; you can redistribute it and/or modify
16: # it under the terms of the GNU General Public License as published by
17: # the Free Software Foundation; either version 2 of the License, or
18: # (at your option) any later version.
19: #
20: # LON-CAPA is distributed in the hope that it will be useful,
21: # but WITHOUT ANY WARRANTY; without even the implied warranty of
22: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23: # GNU General Public License for more details.
24: #
25: # You should have received a copy of the GNU General Public License
26: # along with LON-CAPA; if not, write to the Free Software
27: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28: #
29: # /home/httpd/html/adm/gpl.txt
30: #
31: # http://www.lon-capa.org/
32: #
33:
34: use strict;
35:
36: use lib '/home/httpd/lib/perl/';
37: use Apache::lonnet();
38: use Apache::loncommon();
39: use Apache::lonlocal();
40: use LONCAPA::Configuration();
41: use LONCAPA::loncgi();
42: use LONCAPA::lonauthcgi();
43: use File::Find;
44: use CGI qw(:standard);
45: use LONCAPA;
46:
47: my $perlvar=&LONCAPA::Configuration::read_conf('loncapa.conf');
48: my $lonhost;
49: if (ref($perlvar) eq 'HASH') {
50: $lonhost = $perlvar->{'lonHostID'};
51: }
52: undef($perlvar);
53:
54: my $script = "/cgi-bin/quotacheck.pl";
55:
56: print &LONCAPA::loncgi::cgi_header('text/html',1);
57: &main($lonhost);
58:
59: sub main {
60: my ($lonhost) = @_;
61: if ($lonhost eq '') {
62: &Apache::lonlocal::get_language_handle();
63: &Apache::lonhtmlcommon::add_breadcrumb
64: ({href=>$script,
65: text=>"Content disk usage"});
66: print(&Apache::loncommon::start_page('Course/Community disk usage and quotas').
67: &Apache::lonhtmlcommon::breadcrumbs('Course/Community status').
68: '<p class="LC_error">'.
69: &Apache::lonlocal::mt("Error: could not determine server's LON-CAPA hostID.").
70: '</p>'
71: &Apache::loncommon::end_page());
72: return;
73: }
74: if (&LONCAPA::lonauthcgi::check_ipbased_access('diskusage')) {
75: &LONCAPA::loncgi::check_cookie_and_load_env();
76: } else {
77: if (!&LONCAPA::loncgi::check_cookie_and_load_env()) {
78: &Apache::lonlocal::get_language_handle();
79: print(&LONCAPA::loncgi::missing_cookie_msg());
80: return;
81: }
82: if (!&LONCAPA::lonauthcgi::can_view('diskusage')) {
83: &Apache::lonlocal::get_language_handle();
84: print(&LONCAPA::lonauthcgi::unauthorized_msg('diskusage'));
85: return;
86: }
87: }
88: my (%gets,%posted,$reqdom,$crstype,%params);
89:
90: #
91: # Get domain -- if this is for an authenticated user (i.e., not IP-based access)
92: # Set domain in the order (a) value of fixeddom form element, if submitted
93: # (b) value of domain item in query string
94: # (c) default login domain for current server
95: #
96: if (($Apache::lonnet::env{'user.name'}) && ($Apache::lonnet::env{'user.domain'})) {
97: my $q = CGI->new;
98: %params = $q->Vars;
99: $crstype = 'Course';
100: if ($params{'type'} eq 'Community') {
101: $crstype = $params{'type'};
102: }
103: if ($params{'fixeddom'}) { $reqdom = $params{'fixeddom'} }
104: unless ($params{'sortby'}) { $params{'sortby'} = 'cdesc'; }
105: }
106: if (($reqdom eq '') && ($ENV{'QUERY_STRING'})) {
107: &LONCAPA::loncgi::cgi_getitems($ENV{'QUERY_STRING'},\%gets);
108: if (ref($gets{'domain'}) eq 'ARRAY') {
109: $gets{'domain'}->[0] =~ s/^\s+|\s+$//g;
110: if ($gets{'domain'}->[0] =~ /^$LONCAPA::match_domain$/) {
111: my $domdesc = &Apache::lonnet::domain($gets{'domain'}->[0]);
112: unless ($domdesc eq '') {
113: $reqdom = $gets{'domain'}->[0];
114: }
115: }
116: }
117: }
118: if ($reqdom eq '') {
119: $reqdom = &Apache::lonnet::default_login_domain();
120: }
121:
122: &Apache::lonlocal::get_language_handle();
123: &Apache::lonhtmlcommon::add_breadcrumb
124: ({href=>$script."?domain=$reqdom",
125: text=>"Content disk usage"});
126: if ( ($params{'gosearch'}) || ($params{'sortby'}) ) {
127: &Apache::lonhtmlcommon::add_breadcrumb
128: ({href=>$script."?domain=$reqdom",
129: text=>"Result"});
130: }
131: my $domdesc = &Apache::lonnet::domain($reqdom,'description');
132: my $starthash = {
133: add_entries => {'onload' => "javascript:courseSet(document.filterpicker.official, 'load');"},
134: };
135: print(&Apache::loncommon::start_page('Course/Community disk usage and quotas', undef, $starthash).
136: &Apache::lonhtmlcommon::breadcrumbs('Course/Community status').
137: '<h2>'.&Apache::lonlocal::mt('Quotas for uploaded course content').'</h2>'.
138: '<h3>'.$domdesc.'</h3>');
139: my $changejs = <<"ENDSCRIPT";
140: <script>
141: function changeSort(sortby) {
142: document.filterpicker.sortby.value = sortby;
143: if (('$params{'sortby'}' == sortby) && ('$params{'sortorder'}' != 'rev')) {
144: document.filterpicker.sortorder.value = 'rev';
145: }
146: document.filterpicker.submit();
147: }
148: </script>
149: ENDSCRIPT
150:
151: print($changejs);
152:
153: #
154: # If this is for an authenticated user (i.e., not IP-based access)
155: # create display to choose filters to restrict courses/communities displayed
156: # (e.g., recent activity, recently created, institutional code, course owner etc.)
157: #
158:
159: if (($Apache::lonnet::env{'user.name'}) && ($Apache::lonnet::env{'user.domain'})) {
160: my ($numtitles,@codetitles);
161: print(&Apache::loncommon::js_changer());
162: my ($filterlist,$filter) = &get_filters($reqdom,\%params);
163: $Apache::lonnet::env{'form.official'} = $params{'official'};
164: if ($params{'official'}) {
165: my @standardnames = &Apache::loncommon::get_standard_codeitems();
166: pop(@standardnames);
167: foreach my $item (@standardnames) {
168: if ($params{'official'} eq 'on') {
169: $Apache::lonnet::env{'form.'.$item} = $params{$item};
170: } else {
171: $Apache::lonnet::env{'form.'.$item} = 0;
172: }
173: }
174: $Apache::lonnet::env{'form.state'} = $params{'state'};
175: }
176: print(&Apache::loncommon::build_filters($filterlist,$crstype,undef,undef,$filter,
177: $script,\$numtitles,
178: 'quotacheck',undef,undef,undef,
179: \@codetitles,$reqdom,'quotacheck',$reqdom));
180: if ( ($params{'gosearch'}) || ($params{'sortby'}) ) {
181: if ($params{'official'} eq 'on') {
182: $Apache::lonnet::env{'form.state'} = $params{'state'};
183: }
184: # Sort by course title (cdesc) as default, not reversed
185: my $sortby = $params{'sortby'};
186: unless ($sortby =~ m{^(quota|current_disk_usage|percent|quotatype|instcode)$}) {
187: $sortby = 'cdesc';
188: }
189: my $sortorder;
190: if ($params{'sortorder'} eq 'rev') { $sortorder = 'rev'; }
191:
192: my %courses = &Apache::loncommon::search_courses($reqdom,$crstype,$filter,$numtitles,
193: undef,undef,undef,\@codetitles);
194: my @showcourses = keys(%courses);
195: &print_usage($lonhost,$reqdom,\@showcourses,$sortby,$sortorder);
196: }
197:
198: print(&Apache::loncommon::end_page());
199: return;
200: }
201: &print_usage($lonhost,$reqdom);
202: print(&Apache::loncommon::end_page());
203: return;
204: }
205:
206: sub print_usage {
207: my ($lonhost,$dom,$courses,$sortby,$sortorder) = @_;
208: my @domains = &Apache::lonnet::current_machine_domains();
209: my @ids=&Apache::lonnet::current_machine_ids();
210: my $domain = &Apache::lonnet::host_domain($lonhost);
211:
212: #
213: # If user's current role is domain coordinator, domain of courses/communities
214: # to be shown needs to be domain being coordinated.
215: #
216: if ($Apache::lonnet::env{'request.role'} =~ m{^dc\./}) {
217: $domain = $Apache::lonnet::env{'request.role.domain'};
218: unless ($dom eq $domain) {
219: my $otherdomdesc = &Apache::lonnet::domain($domain,'description');
220: print('<p class="LC_error">'.
221: &Apache::lonlocal::mt('Requested domain does not match domain being coordinated.').
222: '</p>'."\n".
223: '<p class="LC_info">'.
224: &Apache::lonlocal::mt('Show quotas for the domain being coordinated: [_1]',
225: '<a href="'.$script.'?domain='.$domain.'">'.
226: $otherdomdesc.'</a>').
227: '</p>');
228: return;
229: }
230: } else {
231: unless (grep(/^\Q$dom\E/,@domains)) {
232: print('<p class="LC_error">'.
233: &Apache::lonlocal::mt('Requested domain is not hosted on this server.').
234: '</p>');
235: return;
236: }
237: }
238: my %domdefs = &Apache::lonnet::get_domain_defaults($dom);
239: my @showcourses;
240: if (ref($courses) eq 'ARRAY') {
241: @showcourses = @{$courses};
242: } else {
243: my %courseshash = &Apache::lonnet::courseiddump($dom,'.',1,'.','.','.',undef,undef,'.');
244: if (keys(%courseshash)) {
245: @showcourses = keys(%courseshash);
246: }
247: }
248:
249: if (@showcourses) {
250: # Order in which columns are displayed from left to right
251: my @order = ('quotatype','cdesc','instcode','quota',
252: 'current_disk_usage','percent');
253:
254: # Up and down arrows to indicate sort order
255: my @arrows = (' ▲',' ▼','');
256:
257: # Default sort order and column title
258: my %columns = (
259: quotatype => {
260: order => 'ascending',
261: text => &Apache::lonlocal::mt('Course Type'),
262: },
263: cdesc => {
264: order => 'ascending',
265: text => &Apache::lonlocal::mt('Course Title'),
266: },
267: instcode => {
268: order => 'ascending',
269: text => &Apache::lonlocal::mt('Institutional Code'),
270: },
271: quota => {
272: order => 'descending',
273: text => &Apache::lonlocal::mt('Quota (MB)'),
274: },
275: current_disk_usage => {
276: order => 'descending',
277: text => &Apache::lonlocal::mt('Usage (MB)'),
278: },
279: percent => {
280: order => 'descending',
281: text => &Apache::lonlocal::mt('Percent usage'),
282: },
283: );
284:
285: # Print column headers
286: my $output = '';
287: foreach my $key (@order) {
288: my $idx;
289: # Append an up or down arrow to sorted column
290: if ($sortby eq $key) {
291: $idx = ($columns{$key}{order} eq 'ascending') ? 0:1;
292: if ($sortorder eq 'rev') { $idx ++; }
293: $idx = $idx%2;
294: } else { $idx = 2; } # No arrow if column not sorted
295: $output .= '<th><a href="javascript:changeSort('
296: ."'$key'".');">'.$columns{$key}{text}
297: .$arrows[$idx].'</a></th>';
298: }
299: print(&Apache::loncommon::start_data_table()
300: .&Apache::loncommon::start_data_table_header_row().$output
301: .&Apache::loncommon::end_data_table_header_row());
302:
303: my $usagehash = {}; # Sortable hash of courses
304: foreach my $cid (@showcourses) {
305: my %courseinfo=&Apache::lonnet::coursedescription($cid,{'one_time' => '1'});
306: my $cdesc = $courseinfo{'description'};
307: my $cnum = $courseinfo{'num'};
308: my $chome = $courseinfo{'home'};
309: my $crstype = $courseinfo{'type'};
310: if ($crstype eq '') {
311: if ($cnum =~ /^$LONCAPA::match_community$/) {
312: $crstype = 'Community';
313: } else {
314: $crstype = 'Course';
315: }
316: }
317: my $instcode = $courseinfo{'internal.coursecode'};
318: my $quota = $courseinfo{'internal.uploadquota'};
319: $quota =~ s/[^\d\.]+//g;
320: my $quotatype = 'unofficial';
321: if ($crstype eq 'Community') {
322: $quotatype = 'community';
323: } elsif ($courseinfo{'internal.coursecode'}) {
324: $quotatype = 'official';
325: } elsif ($courseinfo{'internal.textbook'}) {
326: $quotatype = 'textbook';
327: }
328: if ($quota eq '') {
329: $quota = $domdefs{$quotatype.'quota'};
330: }
331: $quota =~ s/[^\d\.]+//g;
332: if ($quota eq '') {
333: $quota = 500;
334: }
335: my $current_disk_usage = 0;
336: if (grep(/^\Q$chome\E$/,@ids)) {
337: my $dir = &propath($dom,$cnum).'/userfiles/';
338: foreach my $subdir ('docs','supplemental') {
339: my $ududir = "$dir/$subdir";
340: my $total_size=0;
341: my $code=sub {
342: if (-d $_) { return;}
343: $total_size+=(stat($_))[7];
344: };
345: chdir($ududir);
346: find($code,$ududir);
347: $total_size=int($total_size/(1024*1024));
348: $current_disk_usage += $total_size;
349: }
350: } else {
351: foreach my $subdir ('docs','supplemental') {
352: $current_disk_usage += &Apache::lonnet::diskusage($dom,$cnum,"userfiles/$subdir",1);
353: }
354: }
355: my $percent;
356: if (($quota == 0) || ($quota =~ /[^\d\.]/)) {
357: $percent = 100.0;
358: } else {
359: $percent = 100*($current_disk_usage/$quota);
360: }
361: $current_disk_usage = sprintf("%.0f",$current_disk_usage);
362: $quota = sprintf("%.0f",$quota);
363: $percent = sprintf("%.0f",$percent);
364:
365: # Enter sortable data into hash
366: $usagehash->{ $cid } = {
367: "quotatype" => $quotatype,
368: "cdesc" => $cdesc,
369: "instcode" => $instcode,
370: "quota" => $quota,
371: "current_disk_usage" => $current_disk_usage,
372: "percent" => $percent,
373: };
374: }
375:
376: # Sort courses by $sortby. "cdesc" is the default.
377: my @sorted_courses;
378: if ($sortby =~ m{^(quota|current_disk_usage|percent)$}) {
379: # Numerical fields
380: if ($sortorder eq "rev") {
381: @sorted_courses = sort {
382: $usagehash->{$a}->{$sortby} <=> $usagehash->{$b}->{$sortby}
383: or
384: uc($usagehash->{$a}->{"cdesc"}) cmp uc($usagehash->{$b}->{"cdesc"})
385: } (keys(%{$usagehash}));
386: } else {
387: @sorted_courses = sort {
388: $usagehash->{$b}->{$sortby} <=> $usagehash->{$a}->{$sortby}
389: or
390: uc($usagehash->{$a}->{"cdesc"}) cmp uc($usagehash->{$b}->{"cdesc"})
391: } (keys(%{$usagehash}));
392: }
393: } elsif ($sortby =~ m{^(cdesc|quotatype|instcode)$}) {
394: # String fields
395: if ($sortorder eq "rev") {
396: @sorted_courses = sort {
397: uc($usagehash->{$b}->{$sortby}) cmp uc($usagehash->{$a}->{$sortby})
398: or
399: uc($usagehash->{$a}->{"cdesc"}) cmp uc($usagehash->{$b}->{"cdesc"})
400: } (keys(%{$usagehash}));
401: } else {
402: @sorted_courses = sort {
403: uc($usagehash->{$a}->{$sortby}) cmp uc($usagehash->{$b}->{$sortby})
404: or
405: uc($usagehash->{$a}->{"cdesc"}) cmp uc($usagehash->{$b}->{"cdesc"})
406: } (keys(%{$usagehash}));
407: }
408: }
409:
410: # Print data for each course.
411: foreach my $course (@sorted_courses) {
412: print(&Apache::loncommon::start_data_table_row().
413: '<td>'.$usagehash->{$course}->{"quotatype"}.'</td>'.
414: '<td>'.$usagehash->{$course}->{"cdesc"}.'</td>'.
415: '<td>'.$usagehash->{$course}->{"instcode"}.'</td>'.
416: '<td>'.$usagehash->{$course}->{"quota"}.'</td>'.
417: '<td>'.$usagehash->{$course}->{"current_disk_usage"}.'</td>'.
418: '<td>'.$usagehash->{$course}->{"percent"}.'</td>'.
419: &Apache::loncommon::end_data_table_row()
420: );
421: }
422: print(&Apache::loncommon::end_data_table().'<br /><br />');
423: } else {
424: print(&Apache::lonlocal::mt('No courses match search criteria.'));
425: }
426: return;
427: }
428:
429: sub get_filters {
430: my ($dom,$params) = @_;
431: my @filterlist = ('descriptfilter','instcodefilter','ownerfilter',
432: 'ownerdomfilter','coursefilter','sincefilter');
433: # created filter
434: my $loncaparev = &Apache::lonnet::get_server_loncaparev($dom);
435: if ($loncaparev ne 'unknown_cmd') {
436: push(@filterlist,'createdfilter');
437: }
438: my %filter;
439: foreach my $item (@filterlist) {
440: $filter{$item} = '';
441: }
442: if (ref($params) eq 'HASH') {
443: foreach my $item (@filterlist) {
444: $filter{$item} = $params->{$item};
445: }
446: }
447: return (\@filterlist,\%filter);
448: }
449:
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