public function Display()
{
if (is_array($this->comments)) {
$ret = '<div id="commentcollection">';
foreach ($this->comments as $value) {
$ret .= $value->Display() . "\n";
}
$ret .= '</div>';
return $ret;
} elseif (!isset($this->comments)) {
$ret = 'No Comments Posted Yet.';
try {
//try to show a new comment form at end of list of comments:
$ret = $ret . BusinessLogic_Comment_Comment::GetInstance()->NewComment($blogID, $postID);
} catch (Exception $e) {
//don't show new comment form if user lacks permission
}
return $ret;
} else {
throw new Exception("Contents of ViewCommentCollectionView must either be an array or unset.");
}
}
public function HandleRequest()
{
//Checks $_GET['Action'] to see if the action belongs to the Post class. If so, the appropriate function is called. Otherwise, Comment.HandleRequest() is called.
$request = $_GET['Action'];
$blogID = $_GET['blogID'];
switch ($request) {
case 'ViewPost':
if (isset($_GET['postID'])) {
return $this->ViewPostsByID($blogID, $_GET['postID']);
} elseif (isset($_GET['date'])) {
return $this->ViewPostsByDay($blogID, $_GET['year'], $_GET['month'], $_GET['date']);
} elseif (isset($_GET['month'])) {
return $this->ViewPostsByMonth($blogID, $_GET['year'], $_GET['month']);
} elseif (isset($_GET['age'])) {
$age = $_GET['age'];
if ($age > 100) {
$age = 100;
}
return $this->ViewPostsByDaysOld($blogID, $age);
} elseif (isset($_GET['count'])) {
$count = $_GET['count'];
if ($count > 100) {
$count = 100;
}
return $this->ViewPostsByRecentCount($blogID, $count);
} else {
//FALLBACK: default return count 10
return $this->ViewPostsByRecentCount($blogID, 10);
}
break;
case 'NewPost':
return $this->NewPost($blogID, '', '', true, '');
break;
case 'ProcessNewPost':
$authorID = BusinessLogic_User_User::GetInstance()->GetUserID();
$public = $_POST['public'] == 'on';
$errmsg = '';
$title = substr($_POST['title'], 0, 30);
if (strlen($title) < 1) {
$errmsg .= 'Post title cannot be empty. ';
}
if (strlen($_POST['content']) < 1) {
$errmsg .= 'Post content cannot be empty. ';
}
if (strlen($errmsg) > 0) {
return $this->NewPost($blogID, $title, $_POST['content'], $public, $errmsg);
}
$view = new Presentation_View_ViewPostView($blogID, 0, $authorID, $title, $public, 0, $_POST['content']);
$this->ProcessNewPost($view);
//forward user to viewing the blog that the post was just made in:
$path = $_SERVER['DIRECTORY_ROOT'] . 'index.php?Action=ViewBlog&blogID=' . $blogID;
header("Location: {$path}");
exit;
case 'EditPost':
$postID = $_GET['postID'];
//2 = dont modify post's current public status
return $this->EditPost($blogID, $postID, '', '', 2, '');
break;
case 'ProcessEditPost':
$authorID = BusinessLogic_User_User::GetInstance()->GetUserID();
$public = $_POST['public'] == 'on';
$errmsg = '';
if (strlen($_POST['title']) < 1) {
$errmsg .= 'Post title cannot be empty. ';
}
if (strlen($_POST['content']) < 1) {
$errmsg .= 'Post content cannot be empty. ';
}
if (strlen($_POST['postID'] < 1)) {
throw new Exception("PostID must be set.");
}
$title = substr($_POST['title'], 0, 30);
if (strlen($errmsg) > 0) {
return $this->EditPost($blogID, $_POST['postID'], $title, $_POST['content'], $public, $errmsg);
}
$view = new Presentation_View_ViewPostView($blogID, $_POST['postID'], $authorID, $title, $public, 0, $_POST['content']);
$updateTimestamp = $_POST['timestamp'] == 'now';
$this->ProcessEditPost($view, $updateTimestamp);
//forward user to viewing newly edited post:
$path = $_SERVER['DIRECTORY_ROOT'] . 'index.php?Action=ViewPost&blogID=' . $blogID . '&postID=' . $_POST['postID'];
header("Location: {$path}");
exit;
case 'DeletePost':
$postID = $_GET['postID'];
return $this->DeletePost($blogID, $postID);
break;
case 'ProcessDeletePost':
$postID = $_POST['postID'];
if (strlen($postID < 1)) {
throw new Exception("PostID must be set.");
}
$this->ProcessDeletePost($blogID, $postID);
//forward user to viewing posts in blog:
$path = $_SERVER['DIRECTORY_ROOT'] . 'index.php?Action=ViewBlog&blogID=' . $blogID;
header("Location: {$path}");
exit;
default:
return BusinessLogic_Comment_Comment::GetInstance()->HandleRequest();
}
}
