--- loncom/interface/lonfeedback.pm 2001/02/05 17:38:17 1.2 +++ loncom/interface/lonfeedback.pm 2002/03/02 03:50:27 1.24 @@ -1,6 +1,30 @@ # The LearningOnline Network # Feedback # +# $Id: lonfeedback.pm,v 1.24 2002/03/02 03:50:27 harris41 Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# 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/ +# # (Internal Server Error Handler # # (Login Screen @@ -9,141 +33,459 @@ # # 3/1/1 Gerd Kortemeyer) # -# 3/1,2/3,2/5 Gerd Kortemeyer +# 3/1,2/3,2/5,2/6,2/8 Gerd Kortemeyer +# 2/9 Guy Albertelli +# 2/10 Gerd Kortemeyer +# 2/13 Guy Albertelli +# 7/25 Gerd Kortemeyer +# 7/26 Guy Albertelli +# 7/26,8/10,10/1,11/5,11/6,12/27,12/29 Gerd Kortemeyer +# YEAR=2002 +# 1/1,1/16 Gerd Kortemeyer # + package Apache::lonfeedback; use strict; use Apache::Constants qw(:common); +use Apache::lonmsg(); +use Apache::loncommon(); -sub handler { - my $r = shift; - $r->content_type('text/html'); - $r->send_http_header; - return OK if $r->header_only; - - my $feedurl=$ENV{'form.postdata'}; - $feedurl=~s/^http\:\/\///; - $feedurl=~s/^$ENV{'SERVER_NAME'}//; - $feedurl=~s/^$ENV{'HTTP_HOST'}//; - - if (($feedurl=~/^\/res/) || ($ENV{'request.course.id'})) { -# --------------------------------------------------- Print login screen header - unless ($ENV{'form.sendit'}) { - my $options=''; - if ($feedurl=~/^\/res/) { - $options= - '

Feedback to resource author'; - } - if ($ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}) { - $options.= - '
Question about resource content'; - } - if ($ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}) { - $options.= - '
'. - 'Question/Comment/Feedback about course content'; - } - if ($ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}) { - $options.= - '
'. - 'Question/Comment/Feedback about course policy'; - } - $r->print(<print(< The LearningOnline Network with CAPA + + - +

Feedback

$feedurl

-
+ -Please check at least one of the following: +Please check at least one of the following feedback types: $options
My question/comment/feedback:

-

- + +

ENDDOCUMENT -} else { - my $symb=&Apache::lonnet::symbread($feedurl); - my $prevattempts=''; - if ($symb) { - my $answer=&Apache::lonnet::reply( - "restore:".$ENV{'user.domain'}.':'.$ENV{'user.name'}.':'. - $ENV{'request.course.id'}.':'. - &Apache::lonnet::escape($symb), - $ENV{'user.home'}); - my %returnhash=(); - map { - my ($name,$value)=split(/\=/,$_); - $returnhash{&Apache::lonnet::unescape($name)}= - &Apache::lonnet::unescape($value); - } split(/\&/,$answer); - my %lasthash=(); - my $version; - for ($version=1;$version<=$returnhash{'version'};$version++) { - map { - $lasthash{$_}=$returnhash{$version.':'.$_}; - } split(/\:/,$returnhash{$version.':keys'}); - } - $prevattempts=''; - map { - $prevattempts.=''; - } keys %lasthash; - for ($version=1;$version<=$returnhash{'version'};$version++) { - $prevattempts.=''; - map { - $prevattempts.=''; - } keys %lasthash; - } - $prevattempts.=''; - map { - $prevattempts.=''; - } keys %lasthash; - $prevattempts.='
History'.$_.'
Attempt '.$version.''.$returnhash{$version.':'.$_}.'
Current'.$lasthash{$_}.'
'; - } - my $usersaw=&Apache::lonnet::ssi($feedurl); - $usersaw=~s/\]*\>//gi; - $usersaw=~s/\<\/body\>//gi; - $usersaw=~s/\//gi; - $usersaw=~s/\<\/html\>//gi; - $usersaw=~s/\//gi; - $usersaw=~s/\<\/head\>//gi; - $usersaw=~s/action\s*\=/would_be_action\=/gi; -# - - print (<Feedback sent +} + +sub fail_redirect { + my ($r,$feedurl) = @_; + $r->print (<Feedback not sent + + -Feedback sent ... -$prevattempts -
-$usersaw + +Sorry, no recipients ... + + +ENDFAILREDIR +} + +sub redirect_back { + my ($r,$feedurl,$typestyle,$sendsomething,$status) = @_; + $r->print (< +Feedback sent + + + + + + +$typestyle +Sent $sendsomething message(s). +$status ENDREDIR } -} else { - print (<print (<Feedback not sent - + +ENDNOREDIR + + if ($feedurl!~/^\/adm\/feedback/) { + $r->print(''); + } + + $r->print (< -Sorry, no feedback possible on this resource ... + +Sorry, no feedback possible on this resource ... -ENDNOREDIR +ENDNOREDIRTWO +} + +sub screen_header { + my ($feedurl) = @_; + my $options=''; + if (($feedurl=~/^\/res/) && ($feedurl!~/^\/res\/adm/)) { + $options= + '

Feedback to resource author'; + } + if ($ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}) { + $options.= + '
Question about resource content'; + } + if ($ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}) { + $options.= + '
'. + 'Question/Comment/Feedback about course content'; + } + if ($ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}) { + $options.= + '
'. + 'Question/Comment/Feedback about course policy'; + } + + if ($ENV{'request.course.id'}) { + if (&Apache::lonnet::allowed('pch', + $ENV{'request.course.id'}. + ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) { + $options.='
'. + 'Contribution to course discussion of resource'; + $options.='
'. + 'Anonymous contribution to course discussion of resource'. + ' (name only visible to course faculty)'; + } + } + return $options; +} + +sub resource_output { + my ($feedurl) = @_; + my $usersaw=&Apache::lonnet::ssi($feedurl); + $usersaw=~s/\]*\>//gi; + $usersaw=~s/\<\/body\>//gi; + $usersaw=~s/\//gi; + $usersaw=~s/\<\/html\>//gi; + $usersaw=~s/\//gi; + $usersaw=~s/\<\/head\>//gi; + $usersaw=~s/action\s*\=/would_be_action\=/gi; + return $usersaw; +} + +sub clear_out_html { + my $message=$ENV{'form.comment'}; + $message=~s/\/\>\;/g; + return $message; +} + +sub assemble_email { + my ($feedurl,$message,$prevattempts,$usersaw)=@_; + my $email=<<"ENDEMAIL"; +Refers to $feedurl + +$message +ENDEMAIL + my $citations=<<"ENDCITE"; +

Previous attempts of student (if applicable)

+$prevattempts +

+

Original screen output (if applicable)

+$usersaw +ENDCITE + return ($email,$citations); } - return OK; + +sub decide_receiver { + my ($feedurl) = @_; + my $typestyle=''; + my %to=(); + if ($ENV{'form.author'}) { + $typestyle.='Submitting as Author Feedback
'; + $feedurl=~/^\/res\/(\w+)\/(\w+)\//; + $to{$2.':'.$1}=1; + } + if ($ENV{'form.question'}) { + $typestyle.='Submitting as Question
'; + foreach (split(/\,/, + $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}) + ) { + $to{$_}=1; + } + } + if ($ENV{'form.course'}) { + $typestyle.='Submitting as Comment
'; + foreach (split(/\,/, + $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}) + ) { + $to{$_}=1; + } + } + if ($ENV{'form.policy'}) { + $typestyle.='Submitting as Policy Feedback
'; + foreach (split(/\,/, + $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}) + ) { + $to{$_}=1; + } + } + return ($typestyle,%to); +} + +sub send_msg { + my ($feedurl,$email,$citations,%to)=@_; + my $status=''; + my $sendsomething=0; + foreach (keys %to) { + if ($_) { + my $declutter=&Apache::lonnet::declutter($feedurl); + unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_), + 'Feedback ['.$declutter.']',$email,$citations) eq 'ok') { + $status.='
Error sending message to '.$_.'
'; + } else { + $sendsomething++; + } + } + } + + my %record=&Apache::lonnet::restore('_feedback'); + my ($temp)=keys %record; + unless ($temp=~/^error\:/) { + my %newrecord=(); + $newrecord{'resource'}=$feedurl; + $newrecord{'subnumber'}=$record{'subnumber'}+1; + unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { + $status.='
Not registered
'; + } + } + + return ($status,$sendsomething); +} + +sub adddiscuss { + my ($symb,$email,$anon)=@_; + my $status=''; + if (&Apache::lonnet::allowed('pch',$ENV{'request.course.id'}. + ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) { + + my %contrib=('message' => $email, + 'sendername' => $ENV{'user.name'}, + 'senderdomain' => $ENV{'user.domain'}); + if ($anon) { + $contrib{'anonymous'}='true'; + } + if (($symb) && ($email)) { + $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. + &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + my %storenewentry=($symb => time); + $status.='
Updating discussion time: '. + &Apache::lonnet::put('discussiontimes',\%storenewentry, + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + } + my %record=&Apache::lonnet::restore('_discussion'); + my ($temp)=keys %record; + unless ($temp=~/^error\:/) { + my %newrecord=(); + $newrecord{'resource'}=$symb; + $newrecord{'subnumber'}=$record{'subnumber'}+1; + $status.='
Registering: '. + &Apache::lonnet::cstore(\%newrecord,'_discussion'); + } + } else { + $status.='Failed.'; + } + return $status.'
'; +} + +sub handler { + my $r = shift; + if ($r->header_only) { + $r->content_type('text/html'); + $r->send_http_header; + return OK; + } + +# --------------------------- Get query string for limited number of parameters + + foreach (split(/&/,$ENV{'QUERY_STRING'})) { + my ($name, $value) = split(/=/,$_); + $value =~ tr/+/ /; + $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; + if (($name eq 'hide') || ($name eq 'unhide')) { + unless ($ENV{'form.'.$name}) { + $ENV{'form.'.$name}=$value; + } + } + } + + if (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) { +# ----------------------------------------------------------------- Hide/unhide + $r->content_type('text/html'); + $r->send_http_header; + + my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'}; + + my ($symb,$idx)=split(/\:\:\:/,$entry); + my ($map,$ind,$url)=split(/\_\_\_/,$symb); + + my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + + + my $currenthidden=$contrib{'hidden'}; + + if ($ENV{'form.hide'}) { + $currenthidden.='.'.$idx.'.'; + } else { + $currenthidden=~s/\.$idx\.//g; + } + my %newhash=('hidden' => $currenthidden); + + &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + + &redirect_back($r,'/res/'.$url,'Changed discussion status

','0'); + + + } else { +# ------------------------------------------------------------- Normal feedback + my $feedurl=$ENV{'form.postdata'}; + $feedurl=~s/^http\:\/\///; + $feedurl=~s/^$ENV{'SERVER_NAME'}//; + $feedurl=~s/^$ENV{'HTTP_HOST'}//; + + my $symb=&Apache::lonnet::symbread($feedurl); + my $goahead=1; + if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) { + unless ($symb) { $goahead=0; } + } + + if ($goahead) { +# Go ahead with feedback, no ambiguous reference + $r->content_type('text/html'); + $r->send_http_header; + + if ( + ( + ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) + ) + || + ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:)) + ) { +# --------------------------------------------------- Print login screen header + unless ($ENV{'form.sendit'}) { + my $options=&screen_header($feedurl); + if ($options) { + &mail_screen($r,$feedurl,$options); + } else { + &fail_redirect($r,$feedurl); + } + } else { + +# Get previous user input + my $prevattempts=&Apache::loncommon::get_previous_attempt( + $symb,$ENV{'user.name'},$ENV{'user.domain'}, + $ENV{'request.course.id'}); + +# Get output from resource + my $usersaw=&resource_output($feedurl); + +# Filter HTML out of message (could be nasty) + my $message=&clear_out_html; + +# Assemble email + my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts, + $usersaw); + +# Who gets this? + my ($typestyle,%to) = &decide_receiver($feedurl); + +# Actually send mail + my ($status,$numsent)=&send_msg($feedurl,$email,$citations,%to); + +# Discussion? Store that. + + if ($ENV{'form.discuss'}) { + $typestyle.=&adddiscuss($symb,$message); + } + + if ($ENV{'form.anondiscuss'}) { + $typestyle.=&adddiscuss($symb,$message,1); + } + + +# Receipt screen and redirect back to where came from + &redirect_back($r,$feedurl,$typestyle,$numsent,$status); + + } + } else { +# Unable to give feedback + &no_redirect_back($r,$feedurl); + } + } else { +# Ambiguous Problem Resource + $r->internal_redirect('/adm/ambiguous'); + } +} + return OK; } 1; @@ -151,3 +493,4 @@ __END__ +