webgui/lib/WebGUI/Forum/Thread.pm
2004-09-14 02:22:38 +00:00

540 lines
14 KiB
Perl

package WebGUI::Forum::Thread;
=head1 LEGAL
-------------------------------------------------------------------
WebGUI is Copyright 2001-2004 Plain Black Corporation.
-------------------------------------------------------------------
Please read the legal notices (docs/legal.txt) and the license
(docs/license.txt) that came with this distribution before using
this software.
-------------------------------------------------------------------
http://www.plainblack.com info@plainblack.com
-------------------------------------------------------------------
=cut
use strict;
use WebGUI::DateTime;
use WebGUI::Forum;
use WebGUI::Forum::Post;
use WebGUI::Session;
use WebGUI::SQL;
use WebGUI::Utility;
=head1 NAME
Package WebGUI::Forum::Thread
=head1 DESCRIPTION
Data management class for forum threads.
=head1 SYNOPSIS
use WebGUI::Forum;
$thread = WebGUI::Forum::Thread->create(\%params);
$thread = WebGUI::Forum::Thread->new($threadId);
$scalar = $thread->get($param);
$obj = $thread->getForum;
$obj = $thread->getNextThread;
$obj = $thread->getPost($postId);
$obj = $thread->getPreviousThread;
$boolean = $thread->isLocked;
$boolean = $thread->isSticky;
$boolean = $thread->isSubscribed;
$thread->decrementReplies;
$thread->incrementReplies($postDate, $postId);
$thread->incrementViews;
$thread->lock;
$thread->recalculateRating;
$thread->set(\%data);
$thread->setLastPost($postDate,$postId);
$thread->setStatusApproved;
$thread->setStatusArchived;
$thread->setStatusDeleted;
$thread->setStatusDenied;
$thread->setStatusPending;
$thread->stick;
$thread->subscribe;
$thread->unlock;
$thread->unstick;
$thread->unsubscribe;
=head1 METHODS
These methods are available from this class:
=cut
#-------------------------------------------------------------------
=head2 create ( data, postData )
Creates a new thread, including the root post in that thread.
=head3 data
The properties of this thread. See the forumThread table for details.
=head3 postData
The properties of the root post in this thread. See the forumPost table and the WebGUI::Forum::Post->create method for details.
=cut
sub create {
my ($self, $data, $postData) = @_;
$data->{forumThreadId} = "new";
$postData->{forumThreadId} = WebGUI::SQL->setRow("forumThread","forumThreadId", $data);
$self = WebGUI::Forum::Thread->new($postData->{forumThreadId});
$postData->{parentId} = 0;
my $post = WebGUI::Forum::Post->create($postData);
$self->set({
rootPostId=>$post->get("forumPostId"),
lastPostId=>$post->get("forumPostId"),
lastPostDate=>$post->get("dateOfPost")
});
$self->{_post}{$post->get("forumPostId")} = $post;
$self->getForum->incrementThreads($post->get("dateOfPost"),$post->get("forumPostId"));
return $self;
}
#-------------------------------------------------------------------
=head2 decrementReplies ( )
Decrements the replies counter for this thread.
=cut
sub decrementReplies {
my ($self) = @_;
WebGUI::SQL->write("update forumThread set replies=replies-1 where forumThreadId=".quote($self->get("forumThreadId")));
$self->getForum->decrementReplies;
}
#-------------------------------------------------------------------
=head2 get ( [ param ] )
Returns a hash reference containing all the properties of this thread.
=head3 param
The name of a specific property. If specified only the value of that property will be return as a scalar.
=cut
sub get {
my ($self, $key) = @_;
if ($key eq "") {
return $self->{_properties};
}
return $self->{_properties}->{$key};
}
#-------------------------------------------------------------------
=head2 getForum ( )
Returns a forum object for the forum that is related to this thread.
=cut
sub getForum {
my ($self) = @_;
unless (exists $self->{_forum}) {
$self->{_forum} = WebGUI::Forum->new($self->get("forumId"));
}
return $self->{_forum};
}
#-------------------------------------------------------------------
=head2 getNextThread ( )
Returns a thread object for the next (newer) thread in the same forum.
=cut
sub getNextThread {
my ($self) = @_;
unless (exists $self->{_next}) {
my ($nextId) = WebGUI::SQL->quickArray("select lastPostId from forumThread where forumId=".quote($self->get("forumId"))."
and lastPostDate>".quote($self->get("lastPostDate")." order by lastPostDate asc"),WebGUI::SQL->getSlave);
$self->{_next} = WebGUI::Forum::Thread->new($nextId);
}
return $self->{_next};
}
#-------------------------------------------------------------------
=head2 getPost ( postId )
Returns a post object.
=head3 postId
The unique id of the post object you wish to retrieve.
=cut
sub getPost {
my ($self, $postId) = @_;
unless (exists $self->{_post}{$postId}) {
$self->{_post}{$postId} = WebGUI::Forum::Post->new($postId);
}
return $self->{_post}{$postId};
}
#-------------------------------------------------------------------
=head2 getPreviousThread ( )
Returns a thread object for the previous (older) thread in the same forum.
=cut
sub getPreviousThread {
my ($self) = @_;
unless (exists $self->{_previous}) {
my ($nextId) = WebGUI::SQL->quickArray("select lastPostId from forumThread where forumId=".quote($self->get("forumId"))."
and lastPostDate<".quote($self->get("lastPostDate")." order by lastPostDate desc"),WebGUI::SQL->getSlave);
$self->{_previous} = WebGUI::Forum::Thread->new($nextId);
}
return $self->{_previous};
}
#-------------------------------------------------------------------
=head2 isLocked ( )
Returns a boolean indicating whether this thread is locked from new posts and other edits.
=cut
sub isLocked {
my ($self) = @_;
return $self->get("isLocked");
}
#-------------------------------------------------------------------
=head2 incrementReplies ( lastPostDate, lastPostId )
Increments the replies counter for this thread.
=head3 lastPostDate
The date of the reply that caused the replies counter to be incremented.
=head3 lastPostId
The id of the reply that caused the replies counter to be incremented.
=cut
sub incrementReplies {
my ($self, $dateOfReply, $replyId) = @_;
WebGUI::SQL->write("update forumThread set replies=replies+1, lastPostId=".quote($replyId).", lastPostDate=$dateOfReply
where forumThreadId=".quote($self->get("forumThreadId")));
$self->getForum->incrementReplies($dateOfReply,$replyId);
}
#-------------------------------------------------------------------
=head2 incrementViews ( )
Increments the views counter for this thread.
=cut
sub incrementViews {
my ($self) = @_;
WebGUI::SQL->write("update forumThread set views=views+1 where forumThreadId=".quote($self->get("forumThreadId")));
$self->getForum->incrementViews;
}
#-------------------------------------------------------------------
=head2 isSticky ( )
Returns a boolean indicating whether this thread should be "stuck" a the top of the forum and not be sorted with the rest of the threads.
=cut
sub isSticky {
my ($self) = @_;
return $self->get("isSticky");
}
#-------------------------------------------------------------------
=head2 isSubscribed ( [ userId ] )
Returns a boolean indicating whether the user is subscribed to this thread.
=head3 userId
The unique id of the user to check. Defaults to the current user.
=cut
sub isSubscribed {
my ($self, $userId) = @_;
$userId = $session{user}{userId} unless ($userId);
my ($isSubscribed) = WebGUI::SQL->quickArray("select count(*) from forumThreadSubscription where forumThreadId=".quote($self->get("forumThreadId"))
." and userId=".quote($userId));
return $isSubscribed;
}
#-------------------------------------------------------------------
=head2 lock ( )
Sets this thread to be locked from edits.
=cut
sub lock {
my ($self) = @_;
$self->set({isLocked=>1});
}
#-------------------------------------------------------------------
=head2 new ( threadId )
Constructor.
=head3 threadId
The unique id of the thread object you wish to retrieve.
=cut
sub new {
my ($class, $forumThreadId) = @_;
my $properties = WebGUI::SQL->getRow("forumThread","forumThreadId",$forumThreadId);
if (defined $properties) {
bless {_properties=>$properties}, $class;
} else {
return undef;
}
}
#-------------------------------------------------------------------
=head2 recalculateRating ( )
Recalculates the average rating of this thread based upon all of the posts in the thread.
=cut
sub recalculateRating {
my ($self) = @_;
my ($count) = WebGUI::SQL->quickArray("select count(*) from forumPost where forumThreadId=".quote($self->get("forumThreadId"))." and rating>0");
$count = $count || 1;
my ($sum) = WebGUI::SQL->quickArray("select sum(rating) from forumPost where forumThreadId=".quote($self->get("forumThreadId"))." and rating>0");
my $average = round($sum/$count);
$self->set({rating=>$average});
$self->getForum->recalculateRating;
}
#-------------------------------------------------------------------
=head2 set ( data )
Sets properties for this thread both to the object and to the database.
=head3 data
A hash reference containing the properties to set. See the forumThread table for details.
=cut
sub set {
my ($self, $data) = @_;
$data->{forumThreadId} = $self->get("forumThreadId") unless ($data->{forumThreadId});
WebGUI::SQL->setRow("forumThread","forumThreadId",$data);
foreach my $key (keys %{$data}) {
$self->{_properties}{$key} = $data->{$key};
}
}
#-------------------------------------------------------------------
=head2 setLastPost ( lastPostDate, lastPostId )
Sets the pertinent details for the last post. Can also be done directly using the set method.
=head3 lastPostDate
The epoch date of the post.
=head3 lastPostId
The unique id of the post.
=cut
sub setLastPost {
my ($self, $postDate, $postId) = @_;
$self->set({
lastPostId=>$postId,
lastPostDate=>$postDate
});
$self->getForum->setLastPost($postDate, $postId);
}
#-------------------------------------------------------------------
=head2 setStatusApproved ( )
Sets the status of this thread to approved.
=cut
sub setStatusApproved {
my ($self) = @_;
$self->set({status=>'approved'});
}
#-------------------------------------------------------------------
=head2 setStatusArchived ( )
Sets the status of this thread to archived.
=cut
sub setStatusArchived {
my ($self) = @_;
$self->set({status=>'archived'});
}
#-------------------------------------------------------------------
=head2 setStatusDeleted ( )
Sets the status of this thread to deleted.
=cut
sub setStatusDeleted {
my ($self) = @_;
$self->set({status=>'deleted'});
$self->getForum->decrementThreads;
}
#-------------------------------------------------------------------
=head2 setStatusDenied ( )
Sets the status of this thread to denied.
=cut
sub setStatusDenied {
my ($self) = @_;
$self->set({status=>'denied'});
}
#-------------------------------------------------------------------
=head2 setStatusPending ( )
Sets the status of this thread to pending.
=cut
sub setStatusPending {
my ($self) = @_;
$self->set({status=>'pending'});
}
#-------------------------------------------------------------------
=head2 stick ( )
Makes this thread sticky.
=cut
sub stick {
my ($self) = @_;
$self->set({isSticky=>1});
}
#-------------------------------------------------------------------
=head2 subscribe ( [ userId ] )
Subscribes the user to this thread.
=head3 userId
The unique id of the user. Defaults to the current user.
=cut
sub subscribe {
my ($self, $userId) = @_;
$userId = $session{user}{userId} unless ($userId);
unless ($self->isSubscribed($userId)) {
WebGUI::SQL->write("insert into forumThreadSubscription (forumThreadId, userId) values (".quote($self->get("forumThreadId")).",".quote($userId).")");
}
}
#-------------------------------------------------------------------
=head2 unlock ( )
Negates the lock method.
=cut
sub unlock {
my ($self) = @_;
$self->set({isLocked=>0});
}
#-------------------------------------------------------------------
=head2 unstick ( )
Negates the stick method.
=cut
sub unstick {
my ($self) = @_;
$self->set({isSticky=>0});
}
#-------------------------------------------------------------------
=head2 unsubscribe ( [ userId ] )
Negates the subscribe method.
=head3 userId
The unique id of the user to unsubscribe. Defaults to the current user.
=cut
sub unsubscribe {
my ($self, $userId) = @_;
$userId = $session{user}{userId} unless ($userId);
if ($self->isSubscribed($userId)) {
WebGUI::SQL->write("delete from forumThreadSubscription where forumThreadId=".quote($self->get("forumThreadId"))." and userId=".quote($userId));
}
}
1;