--- loncom/interface/lonannounce.pm 2002/07/24 20:25:23 1.1 +++ loncom/interface/lonannounce.pm 2006/07/03 15:30:52 1.59 @@ -1,39 +1,630 @@ # The LearningOnline Network -# Printout +# Announce # -# (Internal Server Error Handler +# $Id: lonannounce.pm,v 1.59 2006/07/03 15:30:52 www Exp $ # -# (Login Screen -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, -# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) +# Copyright Michigan State University Board of Trustees # -# 3/1/1 Gerd Kortemeyer) +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). # -# 3/1 Gerd Kortemeyer +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ # -package Apache::lonprintout; + +package Apache::lonannounce; use strict; use Apache::Constants qw(:common); +use Apache::loncommon; +use Apache::lonhtmlcommon(); +use Apache::lonlocal; +use Apache::lonnavmaps(); +use Apache::lonrss(); +use Apache::lonnet; +use HTML::Entities(); + +my %todayhash; +my %showedcheck; + +sub editfield { + my ($r,$start,$end,$text)=@_; + # Deal with date forms + my $startdateform = &Apache::lonhtmlcommon::date_setter('anno', + 'startdate', + $start); + my $enddateform = &Apache::lonhtmlcommon::date_setter('anno', + 'enddate', + $end); + my $help=&Apache::loncommon::help_open_menu('Calendar Add Announcement','Calendar_Add_Announcement',274,'Communication Tools'); + my %lt=&Apache::lonlocal::texthash('post' => 'Post Announcement', + 'start' => 'Starting date', + 'end' => 'Ending date', + 'incrss' => 'Include in course RSS newsfeed'); + + $r->print(< + + +
$lt{'start'}:$startdateform
$lt{'end'}:$enddateform
+ +
+ +
+ENDFORM +} + +sub readcalendar { + my $courseid=shift; + my $coursenum=$env{'course.'.$courseid.'.num'}; + my $coursedom=$env{'course.'.$courseid.'.domain'}; + my %thiscal=&Apache::lonnet::dump('calendar',$coursedom,$coursenum); + my %returnhash=(); + foreach my $item (keys(%thiscal)) { + unless (($item=~/^error\:/) || ($thiscal{$item}=~/^error\:/)) { + $returnhash{$courseid.'@'.$item}=$thiscal{$item}; + } + } + my $can_see_hidden = $env{'request.role.adv'}; + my $navmap;# = Apache::lonnavmaps::navmap->new(); + my %resourcedata= + &Apache::lonnet::dump('resourcedata',$coursedom,$coursenum); + foreach my $thiskey (sort keys %resourcedata) { + if ($resourcedata{$thiskey.'.type'}=~/^date/) { + my ($course,$middle,$part,$name)= + ($thiskey=~/^(\w+)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/); + my %data = ( 'section' => &mt('All Students')); + if ($middle=~/^\[(.*)\]\./) { + my $sec=$1; + # if we have a section don't show ones that aren't ours + if ($env{'request.course.sec'} && + $env{'request.course.sec'} ne $sec) { next; } + # if a student without a section don't show any section ones + if (!$env{'request.role.adv'} && + !$env{'request.course.sec'}) { next; } + $data{'section'}=&mt('Group/Section').': '.$1; + $middle=~s/^\[(.*)\]\.//; + } + $middle=~s/\.$//; + $data{'realm'}=&mt('All Resources'); + if ($middle eq '___(all)') { + if (!$can_see_hidden && !$navmap) { + next; + } + } elsif ($middle=~/^(.+)\_\_\_\(all\)$/) { + my $map_url=$1; + if (!$can_see_hidden && !$navmap) { + next; + } + if (!$can_see_hidden) { + my $res = $navmap->getResourceByUrl($map_url); + if ($res && $res->randomout()) { next; } + } + $data{'realm'}=&mt('Folder/Map'); + $data{'url'} = $map_url; + } elsif ($middle) { + if (!$can_see_hidden && !$navmap) { + next; + } + if (!$can_see_hidden) { + my $res = $navmap->getBySymb($middle); + if ($res && $res->randomout()) { next; } + } + $data{'realm'} = &mt('Resource'); + $data{'symb'} = $middle; + } + $data{'datetype'} = $name; + if ($name eq 'duedate') { + $data{'datetype'} = &mt('Due'); +# see if accidentally answerdate is before duedate + my $answerkey=$thiskey; + $answerkey=~s/duedate$/answerdate/; + if ($resourcedata{$thiskey}>$resourcedata{$answerkey}) { + $data{'datetype'} = &mt('Due and Answer Available'); + } + } + if ($name eq 'opendate' + || $name eq 'contentopen' ) { + $data{'datetype'}=&mt('Opening'); + } + if ($name eq 'contentclose') { + $data{'datetype'}=&mt('Closing'); + } + if ($name eq 'answerdate') { +# see if accidentally answerdate is before duedate + my $duekey=$thiskey; + $duekey=~s/answerdate$/duedate/; + if ($resourcedata{$duekey}>$resourcedata{$thiskey}) { +# forget it + next; + } + $data{'datetype'}=&mt('Answer Available'); + } + $returnhash{$courseid.'@'.$resourcedata{$thiskey}.'_'. + $resourcedata{$thiskey}}=\%data; + } + } + return %returnhash; +} + +sub emptycell { + return ' '; +} + +sub normalcell { + my ($day,$month,$year,$items_ref)=@_; + my $output; + my @items=&order($items_ref); + foreach my $item (@items) { + if ($item) { + my ($courseid,$start,$end,$msg)=@$item; + my $internalflag= (ref($msg)) ? 1 : 0; + $msg = &display_msg($msg); + my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}. + '\n'.&Apache::lonlocal::locallocaltime($start); + if ($start!=$end) { + $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end); + } + $fullmsg.=':\n'.$msg; + $fullmsg=~s/[\n\r]/\\n/gs; + $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\''); + $fullmsg=~s/&/\\&/g; + my $short_msg = substr($msg,0,20).((length($msg) > 20)?'...':''); + if (defined($output)) { $output.='
'; } + if ($courseid eq $env{'request.course.id'}) { + if ((&Apache::lonnet::allowed('srm',$env{'request.course.id'})) + && (!$showedcheck{$start.'_'.$end}) + && ($env{'form.pickdate'} ne 'yes') + && (!$internalflag)) { + $output.=''; + $showedcheck{$start.'_'.$end}=1; + } + } + $output.=''. + $short_msg.''; + } + } + return ''.&picklink($day,$day,$month,$year).'
'.$output.''; +} + +sub plaincell { + my ($items_ref)=@_; + my $output; + my @items=&order($items_ref); + foreach my $item (@items) { + if (ref($item)) { + my ($courseid,$start,$end,$msg)=@$item; + my $fullmsg=&mt('Calendar Announcement for ').$env{'course.'.$courseid.'.description'}. + '\n'.&Apache::lonlocal::locallocaltime($start); + if ($start!=$end) { + $fullmsg.=' - '.&Apache::lonlocal::locallocaltime($end); + } + $msg = &display_msg($msg); + $fullmsg.=':\n'.$msg; + $fullmsg=~s/[\n\r]/\\n/gs; + $fullmsg=&HTML::Entities::encode($fullmsg,'<>&"\''); + $fullmsg=~s/&/\\&/g; + my $short_msg = substr($msg,0,80).((length($msg) > 80)?'...':''); + if (defined($output)) { $output.='
'; } + $output.=''. + $short_msg.''; + } + } + return $output; +} + +sub listcell { + my ($items_ref)=@_; + my $output=''; + my @items=&order($items_ref); + foreach my $item (@items) { + if (ref($item)) { + my ($courseid,$start,$end,$msg)=@$item; + my $fullmsg=&Apache::lonlocal::locallocaltime($start); + if ($start!=$end) { + $fullmsg.=&mt(' to '). + &Apache::lonlocal::locallocaltime($end); + } + $fullmsg.=':
'.&display_msg($msg).''; + $output.='
  • '.$fullmsg.'
    • '; + } + } + return $output; +} + +sub order { + my ($items)=@_; + return sort { + my ($astart,$aend)=$a->[1,2]; + my ($bstart,$bend)=$b->[1,2]; + if ($astart != $bstart) { + return $astart <=> $bstart; + } + return $aend <=> $bend; + } @$items; +} + +sub nextday { + my %th=@_; + $th{'day'}++; + return (&Apache::loncommon::maketime(%th),$th{'month'}); +} + +sub display_msg { + my ($msg) = @_; + + # if it's not a ref, it's an instructor provided message + return $msg if (!ref($msg)); + + my $output = $msg->{'datetype'}. ': '.$msg->{'realm'}; + if (exists($msg->{'url'})) { + my $displayurl=&Apache::lonnet::gettitle($msg->{'url'}); + if ($msg->{'url'}!~/\Q$displayurl\E$/) { + $output .= ' - '.$displayurl; + } + } + if (exists($msg->{'symb'})) { + my $displaysymb=&Apache::lonnet::gettitle($msg->{'symb'}); + if ($msg->{'symb'}!~/\Q$displaysymb\E$/) { + $output .= ' - '.$displaysymb; + } + } + $output .= ' ('.$msg->{'section'}.') '; + return $output; +} + +sub showday { + my ($tk,$mode,%allcal)=@_; + my %th=&Apache::loncommon::timehash($tk); + my ($nextday,$nextmonth)=&nextday(%th); + my @outp; + if ($mode) { + my $oneday=24*3600; + $tk-=$oneday; + $nextday+=$oneday; + } + foreach my $item (keys(%allcal)) { + my ($course,$startdate,$enddate)=($item=~/^(\w+)\@(\d+)\_(\d+)$/); + if (($startdate<$nextday) && ($enddate>=$tk)) { + push(@outp,[$course,$startdate,$enddate,$allcal{$item}]); + } + } + unless ($mode) { + return ($nextday,$nextmonth,&normalcell( + $th{'day'},$th{'month'},$th{'year'},\@outp)); + } elsif (@outp) { + if ($mode==1) { + return '
    '.&plaincell(\@outp); + } else { + return ''; + } + } else { + return ''; + } +} + +sub picklink { + my ($text,$day,$month,$year)=@_; + if ($env{'form.pickdate'} eq 'yes') { + return ''. + $text.''; + } else { + return $text; + } +} + +sub dialscript { + return (< +function dialin(day,month,year) { + opener.document.$env{'form.formname'}.$env{'form.element'}\_year.value=year; + var slct=opener.document.$env{'form.formname'}.$env{'form.element'}\_month; + var i; + for (i=0;i +ENDDIA +} +# ----------------------------------------------------- Summarize all calendars +sub get_all_calendars { + my %allcal=(); + foreach my $course (sort(&Apache::loncommon::findallcourses())) { + %allcal=(%allcal,&readcalendar($course)); + } + return %allcal; +} + +sub output_ics_file { + my ($r)=@_; +# RFC 2445 wants CRLF + my $crlf="\015\012"; +# Header + $r->print("BEGIN:VCALENDAR$crlf"); + $r->print("VERSION:2.0$crlf"); + $r->print("PRODID:-//LONCAPA//LONCAPA Calendar Output//EN$crlf"); + my %allcal=&get_all_calendars(); + foreach my $event (keys(%allcal)) { + my ($courseid,$startdate,$enddate)=($event=~/^(\w+)\@(\d+)\_(\d+)$/); + my $uid=$event; + $uid=~s/[\W\_]/-/gs; + $uid.='@loncapa'; + my $summary=&display_msg($allcal{$event}); + $summary=~s/\s+/ /gs; + $summary=$env{'course.'.$courseid.'.description'}.': '.$summary; + $r->print("BEGIN:VEVENT$crlf"); + $r->print("DTSTART:".&Apache::loncommon::utc_string($startdate).$crlf); + $r->print("DTEND:".&Apache::loncommon::utc_string($enddate).$crlf); + $r->print("SUMMARY:$summary$crlf"); + $r->print("UID:$uid$crlf"); + $r->print("END:VEVENT$crlf"); + } +# Footer + $r->print("END:VCALENDAR$crlf"); +} sub handler { my $r = shift; - $r->content_type('text/html'); + if ($r->uri=~/\.(ics|ical)$/) { + &Apache::loncommon::content_type($r,'text/calendar'); + &output_ics_file($r); + return OK; + } + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; -# --------------------------------------------------- Print login screen header - $r->print(< - -The LearningOnline Network with CAPA - - -

    Printout

    - - - +# ---------------------------------------------------------- Get time right now + my $today=time; + %todayhash=&Apache::loncommon::timehash($today); +# ----------------------------------------------------------------- Check marks + undef(%showedcheck); +# ---------------------------------------------------------- Get month and year + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['month','year','pickdate','formname','element']); +# --------------------------------------------------- Decide what month to show + my $year=$todayhash{'year'}; + if ($env{'form.year'}) { $year=$env{'form.year'}; } + my $month=$todayhash{'month'}; + if ($env{'form.month'}) { $month=$env{'form.month'}; } + +# ---------------------------------------------- See if we are in pickdate mode + my $pickdatemode=($env{'form.pickdate'} eq 'yes'); + my $pickinfo='&pickdate=yes&formname='.$env{'form.formname'}. + '&element='.$env{'form.element'}; +# --------------------------------------------- Find out first day of the month + + my %firstday=&Apache::loncommon::timehash( + &Apache::loncommon::maketime( 'day' => 1, 'month'=> $month, + 'year' => $year, 'hours' => 0, + 'minutes' => 0, 'seconds' => 0, + 'dlsav' => -1 )); + my $weekday=$firstday{'weekday'}; +# ------------------------------------------------------------ Print the screen + my $js = < + + function trysubmit() { + document.anno.action.value="new"; + document.anno.submit(); + } + + function removesub() { + document.anno.action.value="del"; + document.anno.submit(); + } + ENDDOCUMENT + + if ($pickdatemode) { +# no big header in pickdate mode + $r->print(&Apache::loncommon::start_page("Pick a Date",$js, + {'only_body' => 1,}). + &dialscript(). + ''); + } else { + $r->print(&Apache::loncommon::start_page("Announcements and Calendar", + $js)); + } +# does this user have privileges to post, etc? + my $allowed=0; + if ($env{'request.course.id'}) { + $allowed=&Apache::lonnet::allowed('srm',$env{'request.course.id'}); + } +# does this user have privileges to post to servers? + my $serverpost=0; + if ($env{'request.role.domain'}) { + $serverpost=&Apache::lonnet::allowed('psa', + $env{'request.role.domain'}); + } else { + $serverpost=&Apache::lonnet::allowed('psa','/'); + } +# -------------------------------- BUT: do no fancy stuff when in pickdate mode + if ($pickdatemode) { + $serverpost=0; + $allowed=0; + } +# ------------------------------------------------------------ Process commands + if ($serverpost) { + if ($env{'form.serveraction'}) { + foreach my $key (keys(%env)) { + if ($key=~/^form\.postto\_(\w+)/) { + $r->print( + '
    Posting '.$1.': '.&Apache::lonnet::postannounce + ($1,$env{'form.serverannnounce'})); + } + } + } + $r->print(< +

    Post Server Announcements

    +Post announcements to the system login and roles screen
    +(leave blank to delete announcement)
    +
    +Check machines:
    +SERVERANNOUNCE +# list servers + foreach my $host (sort(keys(%Apache::lonnet::hostname))) { + if (&Apache::lonnet::allowed('psa',$Apache::lonnet::hostdom{$host})) { + $r->print ('
    '. + $host.' '.$Apache::lonnet::hostname{$host}.' '. + 'current'); + } + } + $r->print( + '
    '); + } + if ($allowed) { + my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'}; + my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'}; +# ----------------------------------------------------- Store new submitted one + if ($env{'form.action'} eq 'new') { + my $startdate = + &Apache::lonhtmlcommon::get_date_from_form('startdate'); + my $enddate = + &Apache::lonhtmlcommon::get_date_from_form('enddate'); + unless ($startdate=~/^\d+$/) { $startdate=time; } + unless ($enddate=~/^\d+$/) { $enddate=$startdate+1; } + if ($startdate>$enddate) { + my $buffer=$startdate; + $startdate=$enddate; + $enddate=$buffer; + } + &Apache::lonnet::put('calendar',{ + $startdate.'_'.$enddate => + $env{'form.msg'} },$coursedom,$coursenum); + if ($env{'form.rsspost'}) { + &Apache::lonrss::addentry($coursenum,$coursedom,'Course_Announcements', + &mt('Event from [_1] to [_2]', + &Apache::lonlocal::locallocaltime($startdate), + &Apache::lonlocal::locallocaltime($enddate)), + $env{'form.msg'},'/adm/announcements','public'); + } + } +# ---------------------------------------------------------------- Remove items + if ($env{'form.action'} eq 'del') { + my @delwhich=(); + foreach my $key (keys(%env)) { + if ($key=~/^form\.remove\_(.+)$/) { + push(@delwhich,$1); + } + } + &Apache::lonnet::del('calendar',\@delwhich,$coursedom,$coursenum); + } +# -------------------------------------------------------- Form to post new one + my %tomorrowhash=%todayhash; + $tomorrowhash{'day'}++; + my $tomorrow=&Apache::loncommon::maketime(%tomorrowhash); + + &editfield($r,$today,$tomorrow,''); + } +# ----------------------------------------------------- Summarize all calendars + my %allcal=&get_all_calendars(); +# ------------------------------- Initialize table and forward backward buttons + my ($pm,$py,$fm,$fy)=($month-1,$year,$month+1,$year); + if ($pm<1) { ($pm,$py)=(12,$year-1); } + if ($fm>12){ ($fm,$fy)=(1,$year+1); } + + $r->print('

    '.('',&mt('January'),&mt('February'),&mt('March'), + &mt('April'),&mt('May'), + &mt('June'),&mt('July'),&mt('August'), + &mt('September'),&mt('October'), + &mt('November'),&mt('December'))[$month].' '. + $year.'

    '); +# Reached the end of times, give up + if (($year<1970) || ($year>2037)) { + $r->print('

    No calendar available for this date.

    '. + 'Current Month'. + &Apache::loncommon::end_page()); + return OK; + } + + my $class = "LC_calendar"; + if ($env{'form.pickdate'} eq 'yes') { + $class .= " LC_calendar_pickdate"; + } + $r->print( + ''.&mt('Previous Month').' '. + ''.&mt('Next Month').''. + '   '.&mt('Current Month').'

    '. + ' + + + + + + +'); + + my $tk=&Apache::loncommon::maketime(%firstday); + my $outp; + my $nm; + +# ---------------------------------------------------------------- Actual table + $r->print(''); + for (my $i=0;$i<$weekday;$i++) { $r->print(&emptycell); } + for (my $i=$weekday;$i<=6;$i++) { + ($tk,$nm,$outp)=&showday($tk,0,%allcal); + $r->print($outp); + } + $r->print(''); + + for (my $k=0;$k<=4;$k++) { + $r->print(''); + for (my $i=0;$i<=6;$i++) { + ($tk,$nm,$outp)=&showday($tk,0,%allcal); + if ($month!=$nm) { $outp=&emptycell; } + $r->print($outp); + } + $r->print(''); + } +# ------------------------------------------------------------------- End table + $r->print('
    '.&mt('Sun').''.&mt('Mon').''.&mt('Tue').''.&mt('Wed').''.&mt('Thu').''.&mt('Fri').''.&mt('Sat').'
    '); +# ----------------------------------------------------------------- Check marks + undef(%showedcheck); +# --------------------------------------------------------------- Remove button + if ($allowed) { $r->print(''. + &Apache::loncommon::help_open_topic('Calendar_Remove_Announcement').''); } + $r->print('

    '. + ''.&mt('Previous Month').' '. + ''.&mt('Next Month').''. + '   '.&mt('Current Month').'

    '. + ($pickdatemode?'    ':'').&Apache::loncommon::end_page()); + $r->print(''.&mt('Download your Calendar as iCalendar File').''); return OK; }