modified 'get_all_threads', returns now additionally the dtd resource,

[selfforum.git] / selfforum-cgi / shared / Posting / Handle.pm

diff --git a/selfforum-cgi/shared/Posting/Handle.pm b/selfforum-cgi/shared/Posting/Handle.pm
index 67d5c0beecb81d40c2d007b55e14e5150902156d..6873178c129d35d70b1fb5b1a89ee4437c77ead1 100644 (file)
--- a/selfforum-cgi/shared/Posting/Handle.pm
+++ b/selfforum-cgi/shared/Posting/Handle.pm
@@ -1,11 +1,10 @@
-package Handle;
-#package Posting::Handle;
+package Posting::Handle;

 
 ################################################################################
 #                                                                              #
 # File:        shared/Posting/Handle.pm                                        #
 #                                                                              #
 
 ################################################################################
 #                                                                              #
 # File:        shared/Posting/Handle.pm                                        #
 #                                                                              #

-# Authors:     Frank Schoenmann <fs@tower.de>, 2001-02-27                      #
+# Authors:     Frank Schoenmann <fs@tower.de>, 2001-03-08                      #

 #                                                                              #
 # Description: Allow modifications of postings                                 #
 #                                                                              #
 #                                                                              #
 # Description: Allow modifications of postings                                 #
 #                                                                              #


@@ -16,9 +15,10 @@ use strict;
 use vars qw(@EXPORT);
 use base qw(Exporter);
 
 use vars qw(@EXPORT);
 use base qw(Exporter);
 

-@EXPORT = qw(hide_posting);
+@EXPORT = qw(hide_posting recover_posting modify_posting);

 
 

-#use Posting::_lib;
+use Posting::_lib qw(get_message_node save_file get_all_threads
+                     create_forum_xml_string);

 
 use XML::DOM;
 
 
 use XML::DOM;
 


@@ -26,68 +26,229 @@ use XML::DOM;
 #
 # Hide a posting: set 'invisible' flag
 #
 #
 # Hide a posting: set 'invisible' flag
 #

-# Params: $forum     Path and filename of forum
-#         $tpath     Path to thread files
-#         \%hashref  Reference: 'thread', 'posting', 'indexFile'
-# Return: Boolean
+# Params: $forum  Path and filename of forum
+#         $tpath  Path to thread files
+#         \%info  Hash reference: 'thread', 'posting', 'indexFile'
+# Return: -none-
+#
+# Todo:
+#  * set flags recursive in forum xml

 #
 sub hide_posting($$$)
 {
 #
 sub hide_posting($$$)
 {

-    my ($forum, $tpath, $info) = shift;
-    my ($tid, $pid, $indexFile) = ('t' . $info->{'thread'},
-                                   'm' . $info->{'posting'},
+    my ($forum, $tpath, $info) = @_;
+    my ($tid, $mid, $indexFile) = ($info->{'thread'},
+                                   $info->{'posting'},

                                    $info->{'indexFile'});
 
                                    $info->{'indexFile'});
 

-    {
-        # Change flag in thread xml file
-        my $tfile = $tpath . '/' . $tid;
+    # Thread
+    my $tfile = $tpath . '/t' . $tid . '.xml';
+    change_posting_visibility($tfile, 't'.$tid, 'm'.$mid, 1);

 
 

-        my $parser = new XML::DOM::Parser;
-        my $xml = $parser->parsefile($tfile);
+    # Forum
+    #change_posting_visibility($forum, 't'.$tid, 'm'.$mid, 1);    # OBSOLETE

 
 

-        my $msgs = $xml->getElementsByTagName('Message');
+    my ($f, $lthread, $lmsg, $dtd, $zlev) = get_all_threads($forum, 1, 0);

 
 

-        for (my $i = 0; $i < $msgs->getLength; $i++)
+    for (@{$f->{$tid}})
+    {
+        if ($_->{'mid'} == $mid)

         {
         {

-            my $msg = $msgs->item($i);
-
-            if ($msg->getAttribute('id')->getValue == $pid)
-            {
-                $msg->setAttribute('invisible', '1');
-                last;
-            }
+            $_->{'deleted'} = 1;

         }
         }

+    }
+
+    my %cfxs = (
+        'dtd'         => $dtd,
+        'lastMessage' => $lmsg,
+        'lastThread'  => $lthread
+    );
+    my $xmlstring = create_forum_xml_string($f, \%cfxs);
+    save_file($forum, $$xmlstring);
+}
+
+### recover_posting() ##########################################################
+#
+# Recover a posting: delete 'invisible' flag
+#
+# Params: $forum  Path and filename of forum
+#         $tpath  Path to thread files
+#         \%info  Hash reference: 'thread', 'posting', 'indexFile'
+# Return: -none-
+#
+# Todo:
+#  * set flags recursive in forum xml
+#
+sub recover_posting($$$)
+{
+    my ($forum, $tpath, $info) = @_;
+    my ($tid, $mid, $indexFile) = ($info->{'thread'},
+                                   $info->{'posting'},
+                                   $info->{'indexFile'});
+
+    # Thread
+    my $tfile = $tpath . '/t' . $tid . '.xml';
+    change_posting_visibility($tfile, 't'.$tid, 'm'.$mid, 0);
+
+    # Forum
+    #change_posting_visibility($forum, 't'.$tid, 'm'.$mid, 0);    # OBSOLETE

 
 

-        # Save thread xml file
-        $xml->printToFile($tfile . '.temp');
-        rename $tfile . '.temp', $tfile;
+    my ($f, $lthread, $lmsg, $dtd, $zlev) = get_all_threads($forum, 1, 0);
+
+    for (@{$f->{$tid}})
+    {
+        if ($_->{'mid'} == $mid)
+        {
+            $_->{'deleted'} = 0;
+        }

     }
 
     }
 

+    my %cfxs = (
+        'dtd'         => $dtd,
+        'lastMessage' => $lmsg,
+        'lastThread'  => $lthread
+    );
+    my $xmlstring = create_forum_xml_string($f, \%cfxs);
+    save_file($forum, $$xmlstring);
+}
+
+### change_posting_visibility () ###############################################
+#
+# Set a postings visibility flag to $invisible
+#
+# Params: $fname      Filename
+#         $tid        Thread ID
+#         $mid        Message ID
+#         $invisible  1 - invisible, 0 - visible
+# Return: Status code
+#
+sub change_posting_visibility($$$$)
+{
+    my ($fname, $tid, $mid, $invisible) = @_;
+
+    my $parser = new XML::DOM::Parser;
+    my $xml = $parser->parsefile($fname);
+
+    # Set flag in given msg
+    my $mnode = get_message_node($xml, $tid, $mid);
+    $mnode->setAttribute('invisible', $invisible);
+
+    # Set flag in sub nodes
+    for ($mnode->getElementsByTagName('Message'))

     {
     {

-        # Change flag in forum xml file
-        my $parser = new XML::DOM::Parser;
-        my $xml = $parser->parseFile($forum);
+        $_->setAttribute('invisible', $invisible);
+    }

 
 

-        my $msgs = $xml->getElementsByTagName('Message');
+    return save_file($fname, \$xml->toString);
+}

 
 

-        for (my $i = 0; $i < $msgs->getLength; $i++)
-        {
-            my $msg = $msgs->item($i);
+### modify_posting () ##########################################################
+#
+# Modify a posting (only subject and category until now!)
+#
+# Params: $forum  Path and filename of forum
+#         $tpath  Path to thread files
+#         \%info  Reference: 'thread', 'posting', 'indexFile', 'data'
+#                 (data = \%hashref: 'subject', 'category', 'body')
+# Return: -none-
+#
+sub modify_posting($$$)
+{
+    my ($forum, $tpath, $info) = @_;
+    my ($tid, $mid, $indexFile, $data) = ($info->{'thread'},
+                                          $info->{'posting'},
+                                          $info->{'indexFile'},
+                                          $info->{'data'});
+    my ($subject, $category, $body) = ($data->{'subject'}, $data->{'category'}, $data->{'body'});
+
+    my %msgdata;
+
+    # These values may be changed by change_posting_value()
+    $subject && $msgdata{'Subject'} = $subject;
+    $category && $msgdata{'Category'} = $category;
+
+    # Thread
+    my $tfile = $tpath . '/t' . $tid . '.xml';
+    change_posting_value($tfile, 't'.$tid, 'm'.$mid, \$msgdata);
+    $body && change_posting_body($tfile, 't'.$tid, 'm'.$mid, $body);
+
+    # Forum (does not contain msg bodies)
+    #change_posting_value($forum, 't'.$tid, 'm'.$mid, \$msgdata);

 
 

-            if ($msg->getAttribute('id')->getValue == $pid)
-            {
-                $msg->setAttribute('invisible', '1');
-                last;
-            }
+    my ($f, $lthread, $lmsg, $dtd, $zlev) = get_all_threads($forum, 1, 0);
+
+    for (@{$f->{$tid}})
+    {
+        if ($_->{'mid'} == $mid)
+        {
+            $subject && $_->{'subject'} = $subject;
+            $category && $_->{'cat'} = $category;

         }
         }

+    }

 
 

-        # Save forum xml file
-        $xml->printToFile($forum . '.temp');
-        rename $forum . '.temp', $forum;
+    my %cfxs = (
+        'dtd'         => $dtd,
+        'lastMessage' => $lmsg,
+        'lastThread'  => $lthread
+    );
+    my $xmlstring = create_forum_xml_string($f, \%cfxs);
+    save_file($forum, $$xmlstring);
+}
+
+### change_posting_value () ####################################################
+#
+# Change specific values of a posting
+#
+# Params: $fname    Filename
+#         $tid      Thread ID
+#         $mid      Message ID
+#         \%values  New values
+# Return: Status code
+#
+sub change_posting_value($$$$)
+{
+    my ($fname, $tid, $mid, $values) = @_;
+
+    my $parser = new XML::DOM::Parser;
+    my $xml = $parser->parsefile($fname);
+
+    my $mnode = get_message_node($xml, $tid, $mid);
+
+    for (keys %$values)
+    {
+        # Find first direct child node with name $_
+        my $nodes = $mnode->getElementsByTagName($_, 0);
+        my $node = $nodes->item(0);
+        $node->setValue($values->{$_});

     }
     }

+
+    return save_file($fname, \$xml->toString);

 }
 
 }
 

+### change_posting_body () #####################################################
+#
+# Change body of a posting
+#
+# Params: $fname  Filename
+#         $tid    Thread ID (unused, for compatibility purposes)
+#         $mid    Message ID
+#         $body   New body
+# Return: Status code
+#
+sub change_posting_body($$$$)
+{
+    my ($fname, $tid, $mid, $body) = @_;
+
+    my $parser = new XML::DOM::Parser;
+    my $xml = $parser->parsefile($fname);

 
 

+    my $mbnody = get_message_body($xml, $mid);
+
+    # todo: change body
+
+    return save_file($fname, \$xml->toString);
+}

 
 
 
 

+# Let it be true

 1;
 1;