--- loncom/interface/lonfeedback.pm 2001/01/03 16:20:59 1.1 +++ loncom/interface/lonfeedback.pm 2001/02/10 14:10:13 1.8 @@ -9,33 +9,366 @@ # # 3/1/1 Gerd Kortemeyer) # -# 3/1 Gerd Kortemeyer -# +# 3/1,2/3,2/5,2/6,2/8 Gerd Kortemeyer +# 2/9 Guy Albertelli +# 2/10 Gerd Kortemeyer + package Apache::lonfeedback; use strict; use Apache::Constants qw(:common); +use Apache::lonmsg(); -sub handler { - my $r = shift; - $r->content_type('text/html'); - $r->send_http_header; - return OK if $r->header_only; - -# --------------------------------------------------- Print login screen header - $r->print(<print(< The LearningOnline Network with CAPA + + - + +

Feedback

- +

$feedurl

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

+

+ + +

ENDDOCUMENT - return OK; +} + +sub fail_redirect { + my ($r,$feedurl) = @_; + $r->print (<Feedback not sent + + + + + + +Sorry, no recipients ... + + +ENDFAILREDIR +} + +sub redirect_back { + my ($r,$feedurl,$typestyle,$sendsomething,$status) = @_; + $r->print (< +Feedback sent + + + + + + +$typestyle +Sent $sendsomething message(s). +$status + + +ENDREDIR +} + +sub no_redirect_back { + my ($r,$feedurl) = @_; + $r->print (<Feedback not sent + +ENDNOREDIR + + if ($feedurl!~/^\/adm\/feedback/) { + $r->print(''); + } + + $r->print (< + + + +Sorry, no feedback possible on this resource ... + + +ENDNOREDIRTWO +} + +sub screen_header { + my ($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'; + } + return $options; +} + +sub get_previous_attempt { + my ($symb)=@_; + 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); + if ($returnhash{'version'}) { + 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'.$lasthash{$_}.'
'; + } else { + $prevattempts='Nothing submitted - no attempts.'; + } + } else { + $prevattempts='No data.'; + } +} + +sub resource_output { + my ($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,$citations); +} + +sub decide_receiver { + my ($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
'; + map { + $to{$_}=1; + } split(/\,/, + $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}); + } + if ($ENV{'form.course'}) { + $typestyle.='Submitting as Comment
'; + map { + $to{$_}=1; + } split(/\,/, + $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}); + } + if ($ENV{'form.policy'}) { + $typestyle.='Submitting as Policy Feedback
'; + map { + $to{$_}=1; + } split(/\,/, + $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}); + } + return ($typestyle,%to); +} + +sub send_msg { + my ($feedurl,$email,$citations,%to)=@_; + my $status=''; + my $sendsomething=0; + map { + if ($_) { + unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_), + 'Feedback '.$feedurl,$email,$citations) eq 'ok') { + $status.='
Error sending message to '.$_.'
'; + } else { + #$status.='
Message sent to '.$_.'
'; + $sendsomething++; + } + } + } keys %to; + return ($status,$sendsomething); +} + +sub handler { + my $r = shift; + if ($r->header_only) { + $r->content_type('text/html'); + $r->send_http_header; + return OK; + } + + 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 $prevattempts=&get_previous_attempt($symb); + +# 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); + +# 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; __END__ + + +