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

487 lines
13 KiB
Perl

package WebGUI::Forum::Post;
=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::Thread;
use WebGUI::Session;
use WebGUI::SQL;
use WebGUI::Utility;
=head1 NAME
Package WebGUI::Forum::Post
=head1 DESCRIPTION
Data management class for forum posts.
=head1 SYNOPSIS
use WebGUI::Forum::Post;
$post = WebGUI::Forum::Post->create(\%params);
$post = WebGUI::Forum::Post->new($postId);
$boolean = $post->canEdit;
$boolean = $post->canView;
$scalar = $post->get("forumPostId");
$arrayRef = $post->getReplies;
$obj = $post->getThread;
$boolean = $post->hasRated;
$boolean = $post->isMarkedRead;
$boolean = $post->isReply;
$post->incrementViews;
$post->markRead;
$post->rate($rating);
$post->recalculateRating;
$post->set(\%data);
$post->setStatusApproved;
$post->setStatusArchived;
$post->setStatusDeleted;
$post->setStatusDenied;
$post->setStatusPending;
$post->unmarkRead;
=head1 METHODS
These methods are available from this class:
=cut
#-------------------------------------------------------------------
=head2 canEdit ( [ userId ] )
Returns a boolean indicating whether the user can edit the current post.
=head3 userId
The unique identifier to check privileges against. Defaults to the current user.
=cut
sub canEdit {
my ($self, $userId) = @_;
$userId = $session{user}{userId} unless ($userId);
return ($self->getThread->getForum->isModerator || ($self->get("userId") eq $userId && $userId != 1
&& $self->getThread->getForum->get("editTimeout") > (WebGUI::DateTime::time() - $self->get("dateOfPost"))));
}
#-------------------------------------------------------------------
=head2 canView ( [ userId ] )
Returns a boolean indicating whether the user can view the current post.
=head3 userId
The unique identifier to check privileges against. Defaults to the current user.
=cut
sub canView {
my ($self, $userId) = @_;
$userId = $session{user}{userId} unless ($userId);
if ($self->get("status") eq "approved" || $self->get("status") eq "archived") {
return 1;
} elsif ($self->get("status") eq "deleted") {
return 0;
} elsif ($self->get("status") eq "denied" && $userId eq $self->get("userId")) {
return 1;
} elsif ($self->getThread->getForum->isModerator) {
return 1;
} else {
return 0;
}
}
#-------------------------------------------------------------------
=head2 create ( [ data ] )
Creates a new post.
=head3 data
A hash reference containing the data to use to create the post. See the forumPost table for details.
=cut
sub create {
my ($self, $data) = @_;
$data->{dateOfPost} = WebGUI::DateTime::time();
$data->{forumPostId} = "new";
my $forumPostId = WebGUI::SQL->setRow("forumPost","forumPostId", $data);
$self = WebGUI::Forum::Post->new($forumPostId);
return $self;
}
#-------------------------------------------------------------------
=head2 get ( [ param ] )
Returns a hash reference containing all of the parameters of this post.
=head3 param
The name of a parameter to get. If specified then the method will return only the value for this parameter as a scalar.
=cut
sub get {
my ($self, $key) = @_;
if ($key eq "") {
return $self->{_properties};
}
return $self->{_properties}->{$key};
}
#-------------------------------------------------------------------
=head2 getReplies ( )
Returns an array reference containing a list of post objects that are direct decendants to this post.
=cut
sub getReplies {
my ($self) = @_;
my @replies = ();
my $query = "select forumPostId from forumPost where parentId=".quote($self->get("forumPostId"))." and ";
if ($self->getThread->getForum->isModerator) {
$query .= "(status='approved' or status='pending' or status='denied'";
} else {
$query .= "(status='approved'";
}
$query .= " or userId=".quote($session{user}{userId}).") order by dateOfPost";
my $sth = WebGUI::SQL->read($query,WebGUI::SQL->getSlave);
while (my @data = $sth->array) {
push(@replies,WebGUI::Forum::Post->new($data[0]));
}
$sth->finish;
return \@replies;
}
#-------------------------------------------------------------------
=head2 getThread ( )
Returns the thread object that is related to this post.
=cut
sub getThread {
my ($self) = @_;
unless (exists $self->{_thread}) {
$self->{_thread} = WebGUI::Forum::Thread->new($self->get("forumThreadId"));
}
return $self->{_thread};
}
#-------------------------------------------------------------------
=head2 hasRated ( [ userId, ipAddress ] )
Returns a boolean indicating whether this user has already rated this post.
=head3 userId
A unique identifier for a user to check. Defaults to the current user.
=head3 ipAddress
If the user ID equals 1 (visitor) then an IP address is used to distinguish the user. Defaults to the current user's ip address.
=cut
sub hasRated {
my ($self, $userId, $ipAddress) = @_;
$userId = $session{user}{userId} unless ($userId);
return 1 if ($userId != 1 && $userId eq $self->get("userId")); # is poster
$ipAddress = $session{env}{REMOTE_ADDR} unless ($ipAddress);
my ($flag) = WebGUI::SQL->quickArray("select count(*) from forumPostRating where forumPostId="
.quote($self->get("forumPostId"))." and ((userId=".quote($userId)." and userId<>1) or (userId=1 and
ipAddress=".quote($ipAddress)."))");
return $flag;
}
#-------------------------------------------------------------------
=head2 incrementViews ( )
Increments the views counter for this post.
=cut
sub incrementViews {
my ($self) = @_;
WebGUI::SQL->write("update forumPost set views=views+1 where forumPostId=".quote($self->get("forumPostId")));
$self->getThread->incrementViews;
}
#-------------------------------------------------------------------
=head2 isMarkedRead ( [ userId ] )
Returns a boolean indicating whether this post is marked read for the user.
=head3 userId
A unique id for a user that you want to check. Defaults to the current user.
=cut
sub isMarkedRead {
my ($self, $userId) = @_;
$userId = $session{user}{userId} unless ($userId);
my ($isRead) = WebGUI::SQL->quickArray("select count(*) from forumRead where userId=".quote($userId)." and forumPostId=".quote($self->get("forumPostId")));
return $isRead;
}
#-------------------------------------------------------------------
=head2 isReply ( )
Returns a boolean indicating whether this post is a reply or the root post in a thread.
=cut
sub isReply {
my ($self) = @_;
if ($self->get("parentId") ne "0") {
return 1;
} else {
return 0;
}
}
#-------------------------------------------------------------------
=head2 markRead ( [ userId ] )
Marks this post read for this user.
=head3 userId
A unique identifier for a user. Defaults to the current user.
=cut
sub markRead {
my ($self, $userId) = @_;
$userId = $session{user}{userId} unless ($userId);
unless ($self->isMarkedRead($userId)) {
WebGUI::SQL->write("insert into forumRead (userId, forumPostId, forumThreadId, lastRead) values (".quote($userId).",
".quote($self->get("forumPostId")).", ".quote($self->get("forumThreadId")).", ".WebGUI::DateTime::time().")");
}
$self->incrementViews;
}
#-------------------------------------------------------------------
=head2 new ( postId )
Constructor.
=head3 postId
The unique identifier for the post object you wish to retrieve.
=cut
sub new {
my ($class, $forumPostId) = @_;
my $properties = WebGUI::SQL->getRow("forumPost","forumPostId",$forumPostId);
if (defined $properties) {
bless {_properties=>$properties}, $class;
} else {
return undef;
}
}
#-------------------------------------------------------------------
=head2 rate ( rating [ , userId, ipAddress ] )
Stores a rating against this post.
=head3 rating
An integer between 1 and 5 (5 being best) to rate this post with.
=head3 userId
The unique id for the user rating this post. Defaults to the current user.
=head3 ipAddress
The ip address of the user doing the rating. Defaults to the current user's IP.
=cut
sub rate {
my ($self, $rating, $userId, $ipAddress) = @_;
$userId = $session{user}{userId} unless ($userId);
$ipAddress = $session{env}{REMOTE_ADDR} unless ($ipAddress);
WebGUI::SQL->write("insert into forumPostRating (forumPostId,userId,ipAddress,dateOfRating,rating) values ("
.quote($self->get("forumPostId")).", ".quote($userId).", ".quote($ipAddress).", ".WebGUI::DateTime::time().", $rating)");
$self->recalculateRating;
}
#-------------------------------------------------------------------
=head2 recalculateRating ( )
Recalculates the average rating of the post from all the ratings and stores the result to the database.
=cut
sub recalculateRating {
my ($self) = @_;
my ($count) = WebGUI::SQL->quickArray("select count(*) from forumPostRating where forumPostId=".quote($self->get("forumPostId")));
$count = $count || 1;
my ($sum) = WebGUI::SQL->quickArray("select sum(rating) from forumPostRating where forumPostId=".quote($self->get("forumPostId")));
my $average = round($sum/$count);
$self->set({rating=>$average});
$self->getThread->recalculateRating;
}
#-------------------------------------------------------------------
=head2 set ( data )
Sets properties to the database and the object.
=head3 data
A hash reference containing the properties to set. See the forumPost table for details.
=cut
sub set {
my ($self, $data) = @_;
$data->{forumPostId} = $self->get("forumPostId") unless ($data->{forumPostId});
WebGUI::SQL->setRow("forumPost","forumPostId",$data);
foreach my $key (keys %{$data}) {
$self->{_properties}{$key} = $data->{$key};
}
}
#-------------------------------------------------------------------
=head2 setStatusApproved ( )
Sets the status of this post to approved.
=cut
sub setStatusApproved {
my ($self) = @_;
$self->set({status=>'approved'});
$self->getThread->setStatusApproved if ($self->getThread->get("rootPostId") eq $self->get("forumPostId"));
if ($self->isReply) {
$self->getThread->incrementReplies($self->get("dateOfPost"),$self->get("forumPostId"));
}
}
#-------------------------------------------------------------------
=head2 setStatusArchived ( )
Sets the status of this post to archived.
=cut
sub setStatusArchived {
my ($self) = @_;
$self->set({status=>'archived'});
$self->getThread->setStatusArchived if ($self->getThread->get("rootPostId") eq $self->get("forumPostId"));
if ($self->isReply) {
$self->getThread->incrementReplies($self->get("dateOfPost"),$self->get("forumPostId"));
}
}
#-------------------------------------------------------------------
=head2 setStatusDeleted ( )
Sets the status of this post to deleted.
=cut
sub setStatusDeleted {
my ($self) = @_;
$self->set({status=>'deleted'});
$self->getThread->decrementReplies;
$self->getThread->setStatusDeleted if ($self->getThread->get("rootPostId") eq $self->get("forumPostId"));
my ($id, $date) = WebGUI::SQL->quickArray("select forumPostId,dateOfPost from forumPost where forumThreadId="
.quote($self->get("forumThreadId"))." and status='approved'");
$self->getThread->setLastPost($date,$id);
}
#-------------------------------------------------------------------
=head2 setStatusDenied ( )
Sets the status of this post to denied.
=cut
sub setStatusDenied {
my ($self) = @_;
$self->set({status=>'denied'});
$self->getThread->setStatusDenied if ($self->getThread->get("rootPostId") eq $self->get("forumPostId"));
}
#-------------------------------------------------------------------
=head2 setStatusPending ( )
Sets the status of this post to pending.
=cut
sub setStatusPending {
my ($self) = @_;
$self->set({status=>'pending'});
$self->getThread->setStatusPending if ($self->getThread->get("rootPostId") eq $self->get("forumPostId"));
}
#-------------------------------------------------------------------
=head2 unmarkRead ( [ userId ] )
Negates the markRead method.
=head3 userId
The unique id of the user marking unread. Defaults to the current user.
=cut
sub unmarkRead {
my ($self, $userId) = @_;
$userId = $session{user}{userId} unless ($userId);
WebGUI::SQL->write("delete from forumRead where userId=".quote($userId)." and forumPostId=".quote($self->get("forumPostId")));
}
1;