X-Git-Url: https://git.p6c8.net/selfforum.git/blobdiff_plain/cd70ccb79697cf5a16df1dda1063e0c0a36e17cb..5eee41e4c8f4a9f494d4457c088803a260efcac3:/selfforum-cgi/shared/Posting/Handle.pm

diff --git a/selfforum-cgi/shared/Posting/Handle.pm b/selfforum-cgi/shared/Posting/Handle.pm
index 11ec9aa..700a101 100644
--- a/selfforum-cgi/shared/Posting/Handle.pm
+++ b/selfforum-cgi/shared/Posting/Handle.pm
@@ -4,10 +4,15 @@ package Posting::Handle;
 #                                                                              #
 # File:        shared/Posting/Handle.pm                                        #
 #                                                                              #
-# Authors:     Frank Schoenmann <fs@tower.de>, 2001-02-27                      #
+# Authors:     Frank Schoenmann <fs@tower.de>, 2001-03-13                      #
 #                                                                              #
 # Description: Allow modifications of postings                                 #
 #                                                                              #
+# Todo:        * Lock files before modification                                #
+#              * Change body in change_posting_body()                          #
+#              * Recursively set invisibility flag in main forum xml by        #
+#                hide_posting() and recover_posting()                          #
+#                                                                              #
 ################################################################################
 
 use strict;
@@ -15,52 +20,172 @@ use strict;
 use vars qw(@EXPORT);
 use base qw(Exporter);
 
-@EXPORT = qw(hide_posting recover_posting);
+@EXPORT = qw(hide_posting recover_posting modify_posting add_user_vote level_vote);
 
-use Posting::_lib qw(get_message_node);
+use Lock qw(:READ);
+use Posting::_lib qw(get_message_node save_file get_all_threads
+                     create_forum_xml_string);
 
 use XML::DOM;
 
+### add_user_vote () ###########################################################
+#
+# Increase number of user votes (only in thread file)
+#
+# Params: $forum  Path and filename of forum
+#         $tpath  Path to thread files
+#         \%info  Hash reference: 'thread', 'posting', 'percent'
+# Return: Status code (Bool)
+#
+# Todo:
+#  * Lock files before modification
+#
+sub add_user_vote()
+{
+    my ($forum, $tpath, $info) = @_;
+    my ($tid, $mid, $percent) = ($info->{'thread'},
+                                 $info->{'posting'},
+                                 $info->{'percent'});
+
+    # Thread
+    my $tfile = $tpath . '/t' . $tid . '.xml';
+
+    my $parser = new XML::DOM::Parser;
+    my $xml = $parser->parsefile($tfile);
+
+    my $mnode = get_message_node($xml, $tid, $mid);
+    my $votes = $mnode->getAttribute('votingUser') + 1;
+    $mnode->setAttribute('votingUser', $votes);
+
+    return save_file($tfile, \$xml->toString);
+}
+
+### level_vote () ##############################################################
+#
+# Set 1st or 2nd level voting (only in thread file)
+#
+# Params: $forum  Path and filename of forum
+#         $tpath  Path to thread files
+#         \%info  Hash reference: 'thread', 'posting', 'level', 'value'
+# Return: Status code (Bool)
+#
+# Todo:
+#  * Lock files before modification
+#
+sub level_vote
+{
+    my ($forum, $tpath, $info´) = @_;
+    my ($tid, $mid, $level, $value) = ($info->{'thread'},
+                                       $info->{'posting'},
+                                       $info->{'level'},
+                                       $info->{'value'});
+
+    # Thread
+    my $tfile = $tpath . '/t' . $tid . '.xml';
+
+    my $parser = new XML::DOM::Parser;
+    my $xml = $parser->parsefile($tfile);
+
+    my $mnode = get_message_node($xml, $tid, $mid);
+
+    if ($value == undef)
+    {
+        removeAttribute($level);
+    }
+    else
+    {
+        $mnode->setAttribute($level, $value);
+    }
+
+    return save_file($tfile, \$xml->toString);
+}
+
 ### hide_posting () ############################################################
 #
 # Hide a posting: set 'invisible' flag
 #
-# Params: $forum     Path and filename of forum
-#         $tpath     Path to thread files
-#         \%hashref  Reference: 'thread', 'posting', 'indexFile'
+# Params: $forum  Path and filename of forum
+#         $tpath  Path to thread files
+#         \%info  Hash reference: 'thread', 'posting', 'indexFile'
 # Return: -none-
 #
+# Todo:
+#  * set flags recursively in forum xml
+#  * lock files before modification
+#
 sub hide_posting($$$)
 {
     my ($forum, $tpath, $info) = @_;
-    my ($tid, $mid, $indexFile) = ('t' . $info->{'thread'},
-                                   'm' . $info->{'posting'},
+    my ($tid, $mid, $indexFile) = ($info->{'thread'},
+                                   $info->{'posting'},
                                    $info->{'indexFile'});
 
-    my $tfile = $tpath . '/' . $tid . '.xml';
-    change_posting_visibility($tfile, $tid, $mid, 1);
-    change_posting_visibility($forum, $tid, $mid, 1);
+    # Thread
+    my $tfile = $tpath . '/t' . $tid . '.xml';
+    change_posting_visibility($tfile, 't'.$tid, 'm'.$mid, 1);
+
+    # Forum
+    my ($f, $lthread, $lmsg, $dtd, $zlev) = get_all_threads($forum, 0, 0);  # filter deleted, descending
+
+    for (@{$f->{$tid}})
+    {
+        if ($_->{'mid'} == $mid)
+        {
+            $_->{'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
-#         \%hashref  Reference: 'thread', 'posting', 'indexFile'
+# 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
+#  * lock files before modification
+#
 sub recover_posting($$$)
 {
     my ($forum, $tpath, $info) = @_;
-    my ($tid, $mid, $indexFile) = ('t' . $info->{'thread'},
-                                   'm' . $info->{'posting'},
+    my ($tid, $mid, $indexFile) = ($info->{'thread'},
+                                   $info->{'posting'},
                                    $info->{'indexFile'});
 
-    my $tfile = $tpath . '/' . $tid . '.xml';
-    change_posting_visibility($tfile, $tid, $mid, 0);
-    change_posting_visibility($forum, $tid, $mid, 0);
+    # Thread
+    my $tfile = $tpath . '/t' . $tid . '.xml';
+    change_posting_visibility($tfile, 't'.$tid, 'm'.$mid, 0);
+
+    # Forum
+    my ($f, $lthread, $lmsg, $dtd, $zlev) = get_all_threads($forum, 1, 0);  # do not filter deleted, descending
+
+    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 () ###############################################
@@ -71,9 +196,9 @@ sub recover_posting($$$)
 #         $tid        Thread ID
 #         $mid        Message ID
 #         $invisible  1 - invisible, 0 - visible
-# Return: -none-
+# Return: Status code
 #
-sub change_posting_visibility($$$)
+sub change_posting_visibility($$$$)
 {
     my ($fname, $tid, $mid, $invisible) = @_;
 
@@ -90,9 +215,119 @@ sub change_posting_visibility($$$)
         $_->setAttribute('invisible', $invisible);
     }
 
-    $xml->printToFile($fname.'.temp');
-    rename $fname.'.temp', $fname;
+    return save_file($fname, \$xml->toString);
+}
+
+### 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($$$)
+{
+    my ($forum, $tpath, $info) = @_;
+    my ($tid, $mid, $indexFile, $data) = ($info->{'thread'},
+                                          $info->{'posting'},
+                                          $info->{'indexFile'},
+                                          $info->{'data'});
+    my ($subject, $category, $body) = ($data->{'subject'}, $data->{'category'}, $data->{'body'});
+
+    my %msgdata;
+
+    # These values may be changed by change_posting_value()
+    $subject && $msgdata{'Subject'} = $subject;
+    $category && $msgdata{'Category'} = $category;
+
+    # Thread
+    my $tfile = $tpath . '/t' . $tid . '.xml';
+    change_posting_value($tfile, 't'.$tid, 'm'.$mid, \$msgdata);
+    $body && change_posting_body($tfile, 't'.$tid, 'm'.$mid, $body);
+
+    # Forum (does not contain msg bodies)
+    if ($subject or $category)
+    {
+        my ($f, $lthread, $lmsg, $dtd, $zlev) = get_all_threads($forum, 1, 0);
+
+        for (@{$f->{$tid}})
+        {
+            if ($_->{'mid'} == $mid)
+            {
+                $subject && $_->{'subject'} = $subject;
+                $category && $_->{'cat'} = $category;
+            }
+        }
+
+        my %cfxs = (
+            'dtd'         => $dtd,
+            'lastMessage' => $lmsg,
+            'lastThread'  => $lthread
+        );
+        my $xmlstring = create_forum_xml_string($f, \%cfxs);
+        save_file($forum, $$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($$$$)
+{
+    my ($fname, $tid, $mid, $values) = @_;
+
+    my $parser = new XML::DOM::Parser;
+    my $xml = $parser->parsefile($fname);
+
+    my $mnode = get_message_node($xml, $tid, $mid);
+
+    for (keys %$values)
+    {
+        # Find first direct child node with name $_
+        my $nodes = $mnode->getElementsByTagName($_, 0);
+        my $node = $nodes->item(0);
+        $node->setValue($values->{$_});
+    }
+
+    return save_file($fname, \$xml->toString);
+}
+
+### change_posting_body () #####################################################
+#
+# Change body of a posting
+#
+# Params: $fname  Filename
+#         $tid    Thread ID (unused, for compatibility purposes)
+#         $mid    Message ID
+#         $body   New body
+# Return: Status code
+#
+# Todo:
+#  * Change body
+#
+sub change_posting_body($$$$)
+{
+    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;