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Diff for /loncom/interface/lonfeedback.pm between versions 1.1 and 1.13

version 1.1, 2001/01/03 16:20:59 version 1.13, 2001/07/26 23:26:56
Line 9 Line 9
 #  #
 # 3/1/1 Gerd Kortemeyer)  # 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
   # 2/13 Guy Albertelli
   # 7/25 Gerd Kortemeyer
   # 7/26 Guy Albertelli
   # 7/26 Gerd Kortemeyer
   
   
 package Apache::lonfeedback;  package Apache::lonfeedback;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   use Apache::lonmsg();
   use Apache::loncommon();
   
 sub handler {  sub mail_screen {
     my $r = shift;    my ($r,$feedurl,$options) = @_;
     $r->content_type('text/html');    $r->print(<<ENDDOCUMENT);
     $r->send_http_header;  
     return OK if $r->header_only;  
   
 # --------------------------------------------------- Print login screen header  
     $r->print(<<ENDDOCUMENT);  
 <html>  <html>
 <head>  <head>
 <title>The LearningOnline Network with CAPA</title>  <title>The LearningOnline Network with CAPA</title>
   <meta http-equiv="pragma" content="no-cache"></meta>
   <script>
       function gosubmit() {
           var rec=0;
           if (typeof(document.mailform.elements.author)!="undefined") {
             if (document.mailform.elements.author.checked) {
                rec=1;
             } 
           }
           if (typeof(document.mailform.elements.question)!="undefined") {
             if (document.mailform.elements.question.checked) {
                rec=1;
             } 
           }
           if (typeof(document.mailform.elements.course)!="undefined") {
             if (document.mailform.elements.course.checked) {
                rec=1;
             } 
           }
           if (typeof(document.mailform.elements.policy)!="undefined") {
             if (document.mailform.elements.policy.checked) {
                rec=1;
             } 
           }
           if (typeof(document.mailform.elements.discuss)!="undefined") {
             if (document.mailform.elements.discuss.checked) {
                rec=1;
             } 
           }
   
           if (rec) {
       document.mailform.submit();
           } else {
               alert('Please check a feedback type.');
    }
       }
   </script>
 </head>  </head>
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF" onLoad="window.focus();">
   <img align=right src=/adm/lonIcons/lonlogos.gif>
 <h1>Feedback</h1>  <h1>Feedback</h1>
 <img src="/adm/lonKaputt/lonconstruct.gif">  <h2><tt>$feedurl</tt></h2>
   <form action="/adm/feedback" method=post name=mailform>
   <input type=hidden name=postdata value="$feedurl">
   Please check at least one of the following feedback types:
   $options<hr>
   My question/comment/feedback:<p>
   <textarea name=comment cols=60 rows=10>
   </textarea><p>
   <input type=hidden name=sendit value=1>
   <input type=button value="Send Feedback" onClick='gosubmit();'></input>
   </form>
 </body>  </body>
 </html>  </html>
 ENDDOCUMENT  ENDDOCUMENT
     return OK;  }
   
   sub fail_redirect {
     my ($r,$feedurl) = @_;
     $r->print (<<ENDFAILREDIR);
   <head><title>Feedback not sent</title>
   <meta http-equiv="pragma" content="no-cache"></meta>
   <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl">
   </head>
   <html>
   <body bgcolor="#FFFFFF">
   <img align=right src=/adm/lonIcons/lonlogos.gif>
   <b>Sorry, no recipients  ...</b>
   </body>
   </html>
   ENDFAILREDIR
   }
   
   sub redirect_back {
     my ($r,$feedurl,$typestyle,$sendsomething,$status) = @_;
     $r->print (<<ENDREDIR);
   <head>
   <title>Feedback sent</title>
   <meta http-equiv="pragma" content="no-cache"></meta>
   <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl">
   </head>
   <html>
   <body bgcolor="#FFFFFF">
   <img align=right src=/adm/lonIcons/lonlogos.gif>
   $typestyle
   <b>Sent $sendsomething message(s).</b>
   <font color=red>$status</font>
   </body>
   </html>
   ENDREDIR
   }
   
   sub no_redirect_back {
     my ($r,$feedurl) = @_;
     $r->print (<<ENDNOREDIR);
   <head><title>Feedback not sent</title>
   <meta http-equiv="pragma" content="no-cache"></meta>
   ENDNOREDIR
   
     if ($feedurl!~/^\/adm\/feedback/) { 
       $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
     }
     
     $r->print (<<ENDNOREDIRTWO);
   </head>
   <html>
   <body bgcolor="#FFFFFF">
   <img align=right src=/adm/lonIcons/lonlogos.gif>
   <b>Sorry, no feedback possible on this resource  ...</b>
   </body>
   </html>
   ENDNOREDIRTWO
   }
   
   sub screen_header {
     my ($feedurl) = @_;
     my $options='';
     if (($feedurl=~/^\/res/) && ($feedurl!~/^\/res\/adm/)) {
       $options= 
         '<p><input type=checkbox name=author> Feedback to resource author';
     }
     if ($ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}) {
       $options.=
       '<br><input type=checkbox name=question> Question about resource content';
     }
     if ($ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}) {
       $options.=
         '<br><input type=checkbox name=course> '.
    'Question/Comment/Feedback about course content';
     }
     if ($ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}) {
       $options.=
         '<br><input type=checkbox name=policy> '.
    'Question/Comment/Feedback about course policy';
     }
     if ($ENV{'request.course.id'}) {
       $options.='<br><input type=checkbox name=discuss> '.
    '<b>Contribution to course discussion of resource</b>';
     }
     return $options;
   }
   
   sub resource_output {
     my ($feedurl) = @_;
     my $usersaw=&Apache::lonnet::ssi($feedurl);
     $usersaw=~s/\<body[^\>]*\>//gi;
     $usersaw=~s/\<\/body\>//gi;
     $usersaw=~s/\<html\>//gi;
     $usersaw=~s/\<\/html\>//gi;
     $usersaw=~s/\<head\>//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/\</\&lt\;/g;
     $message=~s/\>/\&gt\;/g;
     return $message;
   }
   
   sub assemble_email {
     my ($feedurl,$message,$prevattempts,$usersaw)=@_;
     my $email=<<"ENDEMAIL";
   Refers to <a href="$feedurl">$feedurl</a>
   
   $message
   ENDEMAIL
       my $citations=<<"ENDCITE";
   <h2>Previous attempts of student (if applicable)</h2>
   $prevattempts
   <p><hr>
   <h2>Original screen output (if applicable)</h2>
   $usersaw
   ENDCITE
     return ($email,$citations);
   }
   
   sub decide_receiver {
     my ($feedurl) = @_;
     my $typestyle='';
     my %to=();
     if ($ENV{'form.author'}) {
       $typestyle.='Submitting as Author Feedback<br>';
       $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
       $to{$2.':'.$1}=1;
     }
     if ($ENV{'form.question'}) {
       $typestyle.='Submitting as Question<br>';
       map {
         $to{$_}=1;
       } split(/\,/,
       $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'});
     }
     if ($ENV{'form.course'}) {
       $typestyle.='Submitting as Comment<br>';
       map {
         $to{$_}=1;
       } split(/\,/,
       $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'});
     }
     if ($ENV{'form.policy'}) {
       $typestyle.='Submitting as Policy Feedback<br>';
       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') {
    $status.='<br>Error sending message to '.$_.'<br>';
         } else {
    #$status.='<br>Message sent to '.$_.'<br>';
    $sendsomething++;
         }
       }
     } keys %to;       
     return ($status,$sendsomething);
   }
   
   sub adddiscuss {
       my ($symb,$email)=@_;
       my $status='';
       my %contrib=('message'      => $email,
                    'sendername'   => $ENV{'user.name'},
                    'senderdomain' => $ENV{'user.domain'});
       if (($symb) && ($email)) {
          $status='Adding to class discussion: '.
           &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
                        $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                        $ENV{'course.'.$ENV{'request.course.id'}.'.num'}).
           '<br>';
       }
       return $status;   
   }
   
   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=&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);
         }
   
   # 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;  1;
 __END__  __END__
   
   
   
Removed from v.1.1  
changed lines
  Added in v.1.13

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