--- loncom/publisher/loncfile.pm	2001/06/23 18:51:32	1.2
+++ loncom/publisher/loncfile.pm	2002/01/21 17:13:49	1.8
@@ -1,6 +1,31 @@
 # The LearningOnline Network with CAPA
 # Handler to rename files, etc, in construction space
 #
+# $Id: loncfile.pm,v 1.8 2002/01/21 17:13:49 albertel 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/
+#
+#
 # (Handler to retrieve an old version of a file
 #
 # (Publication Handler
@@ -13,7 +38,7 @@
 # 03/23 Guy Albertelli
 # 03/24,03/29 Gerd Kortemeyer)
 #
-# 03/31,04/03,05/02,05/09,06/23 Gerd Kortemeyer)
+# 03/31,04/03,05/02,05/09,06/23,06/24 Gerd Kortemeyer)
 #
 # 06/23 Gerd Kortemeyer
 
@@ -25,116 +50,165 @@ use File::Copy;
 use Apache::Constants qw(:common :http :methods);
 use Apache::loncacc;
 
+sub exists {
+    my ($uname,$udom,$dir,$newfile)=@_;
+    my $published='/home/httpd/html/res/'.$udom.'/'.$uname.'/'.$dir.'/'.
+	$ENV{'form.newfilename'};
+    my $construct='/home/'.$uname.'/public_html/'.$dir.'/'.
+	$ENV{'form.newfilename'};
+    my $result;
+    if (-e $published) {
+	$result.='<p><font color=red>Warning: target file exists, and has been published!</font></p>';
+    } elsif ( -e $construct ) {
+	$result.='<p><font color=red>Warning: target file exists!</font></p>';
+    }
+    return $result;
+}
+
+sub checksuffix {
+    my ($old,$new) = @_;
+    my $result;
+    my $oldsuffix;
+    my $newsuffix;
+    if ($new=~m:(.*/*)([^/]+)\.(\w+)$:) { $newsuffix=$3; }
+    if ($old=~m:(.*)/+([^/]+)\.(\w+)$:) { $oldsuffix=$3; }
+    if ($oldsuffix ne $newsuffix) {
+	$result.='<p><font color=red>Warning: change of MIME type!</font></p>';
+    }
+    return $result;
+}
+
 sub phaseone {
     my ($r,$fn,$uname,$udom)=@_;
-    my $docroot=$r->dir_config('lonDocRoot');
 
-    my $urldir='/res/'.$udom.'/'.$uname.$fn;
-    $urldir=~s/\/[^\/]+$/\//;
+    $fn=~m:(.*)/([^/]+)\.(\w+)$:;
+    my $dir=$1;
+    my $main=$2;
+    my $suffix=$3;
 
-    my $resfn=$docroot.'/res/'.$udom.'/'.$uname.$fn;
-    my $resdir=$resfn;
-    $resdir=~s/\/[^\/]+$/\//;
+    my $conspace='/home/'.$uname.'/public_html'.$fn;
 
-    $fn=~/\/([^\/]+)\.(\w+)$/;
-    my $main=$1;
-    my $suffix=$2;
-
-    if (-e $resfn) {  
-    $r->print('<form action=/adm/retrieve method=post>'.
+    $r->print('<form action=/adm/cfile method=post>'.
 	      '<input type=hidden name=filename value="/~'.$uname.$fn.'">'.
               '<input type=hidden name=phase value=two>'.
-              '<table border=2><tr><th>Select</th><th>Version</th>'.
-              '<th>Became this version on ...</th>'.
-              '<th>Metadata</th></tr>');
-    my $filename;
-    opendir(DIR,$resdir);
-    while ($filename=readdir(DIR)) {
-        if ($filename=~/^$main\.(\d+)\.$suffix$/) {
-	   my $version=$1;
-           my ($rdev,$rino,$rmode,$rnlink,
-                $ruid,$rgid,$rrdev,$rsize,
-                $ratime,$rmtime,$rctime,
-                $rblksize,$rblocks)=stat($resdir.'/'.$filename);
-           $r->print('<tr><td><input type=radio name=version value="'.
-                     $version.'"></td><th>'.$version.'</th><td>'.
-                     localtime($rmtime).'</td><td>'.
-                     '<a href="'.$urldir.$filename.'.meta" target=cat>'.
-                     'Metadata Version '.$version.'</a>');
-           if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') {
-               $r->print(
-                    '&nbsp;&nbsp;<a target=cat href="/adm/diff?filename=/~'.
-                        $uname.$fn.
-                        '&versionone=priv&versiontwo='.$version.
-                        '">Diffs with Version '.$version.'</a>');
-           }
-           $r->print('</a></td></tr>');
+              '<input type=hidden name=action value='.$ENV{'form.action'}.'>');
+
+    if ($ENV{'form.action'} eq 'rename') {
+	if (-e $conspace) {
+	    if ($ENV{'form.newfilename'}) {
+		$r->print(&checksuffix($fn,$ENV{'form.newfilename'}));
+		$r->print(&exists($uname,$udom,$dir,$ENV{'form.newfilename'}));
+	       $r->print('<input type=hidden name=newfilename value="'.
+                         $ENV{'form.newfilename'}.
+                         '"><p>Rename <tt>'.$fn.'</tt> to <tt>'.
+                         $dir.'/'.$ENV{'form.newfilename'}.'</tt>?</p>');
+	    } else {
+	       $r->print('<p>No new filename specified.</p></form>');
+               return;
+	    }
+        } else {
+	    $r->print('<p>No such file.</p></form>');
+            return;
+        }
+    } elsif ($ENV{'form.action'} eq 'delete') { 
+	if (-e $conspace) {
+            $r->print('<p>Delete <tt>'.$fn.'</tt>?</p>');
+        } else {
+	    $r->print('<p>No such file.</p></form>');
+            return;
+        }
+    } elsif ($ENV{'form.action'} eq 'copy') { 
+	if (-e $conspace) {
+	    if ($ENV{'form.newfilename'}) {
+		$r->print(&checksuffix($fn,$ENV{'form.newfilename'}));
+		$r->print(&exists($uname,$udom,$dir,$ENV{'form.newfilename'}));
+	       $r->print('<input type=hidden name=newfilename value="'.
+                         $ENV{'form.newfilename'}.
+                         '"><p>Copy <tt>'.$fn.'</tt> to <tt>'.
+                         $dir.'/'.$ENV{'form.newfilename'}.'</tt>?</p>');
+	    } else {
+	       $r->print('<p>No new filename specified.</p></form>');
+               return;
+	    }
+        } else {
+	    $r->print('<p>No such file.</p></form>');
+            return;
+        }
+    } elsif ($ENV{'form.action'} eq 'newdir') {
+        my $newdir='/home/'.$uname.'/public_html/'.
+                   $fn.$ENV{'form.newfilename'};
+	if (-e $newdir) {
+            $r->print('<p>Directory exists.</p></form>');
+            return;
         }
+	$r->print('<input type=hidden name=newfilename value="'.
+                  $ENV{'form.newfilename'}.
+                  '"><p>Make new directory <tt>'.
+                  $fn.$ENV{'form.newfilename'}.'</tt>?</p>');
+       
     }
-    closedir(DIR);
-    my ($rdev,$rino,$rmode,$rnlink,
-        $ruid,$rgid,$rrdev,$rsize,
-        $ratime,$rmtime,$rctime,
-        $rblksize,$rblocks)=stat($resfn);
-    $r->print('<tr><td><input type=radio name=version value="new"></td>'.
-              '<th>Current</th><td>'.localtime($rmtime).
-           '</td><td><a href="'.$urldir.$main.'.'.$suffix.'.meta" target=cat>'.
-              'Metadata current version</a>');           
-           if (&Apache::lonnet::fileembstyle($suffix) eq 'ssi') {
-               $r->print(
-                    '&nbsp;&nbsp;<a target=cat href="/adm/diff?filename=/~'.
-                        $uname.$fn.
-                        '&versionone=priv'.
-                        '">Diffs with current Version</a>');
-           }
-           $r->print('</td></tr></table><p>'.
-           '<font size=+1 color=red>Retrieval of an old version will '.
-           'overwrite the file currently in construction space</font><p>'.
-           '<input type=submit value="Retrieve version"></form>');
-} else {
-    $r->print('<h3>No previous versions published.</h3>');
-}
+    $r->print('<p><input type=submit value=Continue></p></form>');
+    $r->print('<form action="/priv/'.$uname.$fn.
+	      '" method="GET"><p><input type=submit value=Cancel></p></form>');
+
 }
 
 sub phasetwo {
     my ($r,$fn,$uname,$udom)=@_;
-    if ($ENV{'form.version'}) {
-        my $version=$ENV{'form.version'};
-	if ($version eq 'new') {
-	    $r->print('<h3>Retrieving current (most recent) version</h3>');
-        } else {
-            $r->print('<h3>Retrieving old version '.$version.'</h3>');
-        }
-        my $logfile;
-        my $ctarget='/home/'.$uname.'/public_html'.$fn;
-        my $vfn=$fn;
-        if ($version ne 'new') {
-	    $vfn=~s/\.(\w+)$/\.$version\.$1/;
-        }
-        my $csource=$r->dir_config('lonDocRoot').'/res/'.$udom.'/'.$uname.$vfn;
-        unless ($logfile=Apache::File->new('>>'.$ctarget.'.log')) {
-	  $r->print(
-         '<font color=red>No write permission to user directory, FAIL</font>');
-        }
-        print $logfile 
-"\n\n================= Retrieve ".localtime()." ================\n".
-"Version: $version\nSource: $csource\nTarget: $ctarget\n";
-        $r->print('<p>Copying file: ');
-        if (copy($csource,$ctarget)) {
-	    $r->print('ok<p>');
-            print $logfile "Copied sucessfully.\n\n";
-        } else {
-            my $error=$!;
-	    $r->print('fail, '.$error.'<p>');
-            print $logfile "Copy failed: $error\n\n";
-        }
-        $r->print('<font size=+2><a href="/priv/'.$uname.$fn.
-                  '">Back to '.$fn.'</a></font>'); 
-    } else {
-       $r->print(
-   '<font size=+1 color=red>Please pick a version to retrieve</font><p>');
-       &phaseone($r,$fn,$uname,$udom);
+
+    $fn=~/(.*)\/([^\/]+)\.(\w+)$/;
+    my $dir=$1;
+    my $main=$2;
+    my $suffix=$3;
+
+    my $conspace='/home/'.$uname.'/public_html'.$fn;
+
+    if ($ENV{'form.action'} eq 'rename') {
+	if (-e $conspace) {
+	    if ($ENV{'form.newfilename'}) {
+               unless (rename('/home/'.$uname.'/public_html'.$fn,
+          '/home/'.$uname.'/public_html'.$dir.'/'.$ENV{'form.newfilename'})) {
+	    $r->print('<font color=red>Error: '.$!.'</font>');
+               }
+            }
+        } else {
+	    $r->print('<p>No such file.</form>');
+            return;
+        }
+    } elsif ($ENV{'form.action'} eq 'delete') { 
+	if (-e $conspace) {
+            unless (unlink('/home/'.$uname.'/public_html'.$fn)) {
+	       $r->print('<font color=red>Error: '.$!.'</font>');
+            }
+        } else {
+	    $r->print('<p>No such file.</form>');
+            return;
+        }
+    } elsif ($ENV{'form.action'} eq 'copy') { 
+	if (-e $conspace) {
+	    if ($ENV{'form.newfilename'}) {
+               unless (copy('/home/'.$uname.'/public_html'.$fn,
+           '/home/'.$uname.'/public_html'.$dir.'/'.$ENV{'form.newfilename'})) {
+	          $r->print('<font color=red>Error: '.$!.'</font>');
+               }
+	    } else {
+	       $r->print('<p>No new filename specified.</form>');
+               return;
+	    }
+        } else {
+	    $r->print('<p>No such file.</form>');
+            return;
+        }
+    } elsif ($ENV{'form.action'} eq 'newdir') {
+        my $newdir='/home/'.$uname.'/public_html/'.
+                   $fn.$ENV{'form.newfilename'};
+        unless (mkdir($newdir,0770)) {
+	    $r->print('<font color=red>Error: '.$!.'</font>');
+        }
+        $r->print('<h3><a href="/priv/'.$uname.$fn.'/">Done</a></h3>');
+        return;
     }
+    $r->print('<h3><a href="/priv/'.$uname.$dir.'/">Done</a></h3>');
 }
 
 sub handler {
@@ -166,7 +240,7 @@ sub handler {
     &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
   unless (($uname) && ($udom)) {
      $r->log_reason($uname.' at '.$udom.
-         ' trying to publish file '.$ENV{'form.filename'}.
+         ' trying to manipulate file '.$ENV{'form.filename'}.
          ' ('.$fn.') - not authorized', 
          $r->filename); 
      return HTTP_NOT_ACCEPTABLE;
@@ -203,9 +277,9 @@ sub handler {
      return OK;  
   }
   if ($ENV{'form.phase'} eq 'two') {
-#      &phasetwo($r,$fn,$uname,$udom);
+      &phasetwo($r,$fn,$uname,$udom);
   } else {
-#      &phaseone($r,$fn,$uname,$udom);
+      &phaseone($r,$fn,$uname,$udom);
   }
 
   $r->print('</body></html>');