public function NewBlog()
{
//Returns true if the user has no blogs. Returns false otherwise.
$userID = BusinessLogic_User_User::GetInstance()->GetUserID();
$query = 'select Count(*) from [0] where UserID=[1] AND Auth="Owner"';
$arguments = array('User_Auth', $userID);
$DataAccess = DataAccess_DataAccessFactory::GetInstance();
$result = $DataAccess->Select($query, $arguments);
$numOfBlogs = $result[0]["Count(*)"];
return $numOfBlogs == 0;
}
public function CanDeleteUser($blogID, $userID)
{
$permission = $this->GetPermissionForBlog($blogID);
if ($permission == 'Owner' or $permission == 'Editor') {
$DataAccess = DataAccess_DataAccessFactory::GetInstance();
//get rank of user in blog
$query = 'select Auth from [0] where UserID="[1]" and BlogID="[2]"';
$arguments = array('User_Auth', $userID, $blogID);
$result = $DataAccess->Select($query, $arguments);
if (count($result) > 0) {
$userAuth = $result[0]['Auth'];
switch ($userAuth) {
case 'Editor':
if ($permission == 'Owner') {
return true;
} else {
return false;
}
break;
case 'Author':
if ($permission == 'Owner' or $permission == 'Editor') {
return true;
} else {
return false;
}
break;
default:
return false;
break;
}
} else {
throw new Exception('User is not part of blog.');
}
} else {
throw new Exception('Access Denied.');
}
}
public function GetCommentCounts($postIDs)
{
//Given an array of postIDs to look at, returns an array of comment counts in the same array indices.
if (count($postIDs) < 1) {
return array();
}
$DataAccess = DataAccess_DataAccessFactory::GetInstance();
$arguments = array();
$insertme = '0';
//just to stick into OR statement
foreach ($postIDs as $key => $value) {
$insertme = $insertme . ' or PostID="[' . $key . ']"';
array_push($arguments, $value);
}
$query = 'select count(CommentID),PostID from Comments where ' . $insertme . ' group by PostID';
$response = $DataAccess->Select($query, $arguments);
$returnme = array();
//extract contents of response:
foreach ($postIDs as $key => $postID) {
foreach ($response as $responsekey => $responsedata) {
if ($responsedata['PostID'] == $postID) {
$returnme[$key] = $responsedata['count(CommentID)'];
unset($response[$responsekey]);
break;
}
}
}
//fill in 0's for slots that aren't currently filled:
foreach ($postIDs as $key => $value) {
if (!isset($returnme[$key])) {
$returnme[$key] = 0;
}
}
return $returnme;
}
public function ProcessSearch($blog_title)
{
$query = 'select BlogID, Title, About from Blogs where Title like "%[0]%" or About like "%[0]%"';
$arguments = array($blog_title);
$DataAccess = DataAccess_DataAccessFactory::GetInstance();
$result = $DataAccess->Select($query, $arguments);
//there is no matching record in the DB
if (count($result) < 1) {
return new Presentation_View_ViewSearchBlogCollectionView(0, $blog_title);
} else {
foreach ($result as $key => $value) {
$blogsID[$key] = new Presentation_View_ViewSearchBlogView($value['BlogID'], $value['Title'], $value['About']);
}
return new Presentation_View_ViewSearchBlogCollectionView($blogsID, $blog_title);
}
}
public function GetPostAuthorID($postID)
{
//Returns the authorid of a given post.
//Used by PostSecurity to determine if an Author can mess with a post.
$query = 'select UserID from Posts where PostID="[0]" order by Timestamp desc';
$arguments = array($postID);
$DataAccess = DataAccess_DataAccessFactory::GetInstance();
$response = $DataAccess->Select($query, $arguments);
return $response[0]['UserID'];
}
