/**
* Determine new tags for an article and now unused tags for an Article. Insert new ArticleTag and TaggedArticle entities and delete any unused tags by deleting the associated TaggedArticle entities
*
* @access public
* @param Article $article
*/
public function updateTags(Article $article)
{
$articleDAO = ArticleDAO::getInstance();
$taggedDAO = TaggedArticleDAO::getInstance();
// Obtain current tags for an article
$this->resetQueryStrings();
$this->query_reset_lock = true;
$this->query_joins = " INNER JOIN {$taggedDAO->getTableName()} ON {$this->tableName}.id = {$taggedDAO->getTableName()}.tagId INNER JOIN {$articleDAO->getTableName()} ON {$taggedDAO->getTableName()}.articleId = {$articleDAO->getTableName()}.id ";
$this->query_where = "WHERE {$articleDAO->getTableName()}.id = ?";
$this->query_params = array($article->getId());
$current_tags_array = $this->all();
$this->query_reset_lock = false;
// Remove unused tags
$updated_tags = ArticleTag::tagsFromString($article->getTags());
$tags_to_remove = array();
foreach ($current_tags_array as $tag) {
if (!in_array($tag->getName(), $updated_tags)) {
$tags_to_remove[] = $tag->getId();
}
}
//print_r ($tags_to_remove);
if (!empty($tags_to_remove)) {
$status = $taggedDAO->deleteByTagged($tags_to_remove, $article->id);
}
//print_r ($updated_tags);
// Create new tags
$this->resetQueryStrings();
$this->query_reset_lock = true;
$current_tags_string_array = array();
foreach ($current_tags_array as $tag) {
$current_tags_string_array[] = $tag->name;
}
//print_r ($current_tags_string_array);
foreach ($updated_tags as $tag) {
if (!in_array($tag, $current_tags_string_array)) {
//$newtag = new ArticleTag ();
//$newtag->setName ($tag);
$newtag = $this->loadByName($tag);
if (!$newtag) {
$newtag = new ArticleTag();
$newtag->setName($tag);
$this->insert($newtag);
}
// Insert new tag. Will fail if tag name already exists.
//if ($this->insert ($newtag)) {
//print_r ($newtag);
//}
// Tag already exists. Load it
//else {
// $newtag = $this->loadByName ($newtag->name);
//print_r ($newtag);
// }
$tagged = new TaggedArticle();
$tagged->setArticleId($article->getId());
$tagged->setTagId($newtag->getId());
$status = $taggedDAO->insert($tagged);
}
}
$this->query_reset_lock = false;
return null;
}
/**
* Run method with main page logic
*
* Populate template and display form for creating a new article entry. For POST requests,
* validate form data and save information to database. Available to admins only
* @access public
*/
public function run()
{
$session = Session::getInstance();
$user = $session->getUser();
if (!$user || !$user->isAdmin()) {
$session->setMessage("Do not have permission to access", Session::MESSAGE_ERROR);
header("Location: " . BASE_URL);
return;
}
$form_errors = array();
$form_values = array("title" => "", "content" => "", "postDate" => "", "published" => "", "tags" => "");
$articleDAO = ArticleDAO::getInstance();
$tagDAO = ArticleTagDAO::getInstance();
if (!empty($_POST)) {
$form_values["title"] = isset($_POST["title"]) ? trim($_POST["title"]) : "";
$form_values["content"] = isset($_POST["content"]) ? trim($_POST["content"]) : "";
$form_values["postDate"] = isset($_POST["postDate"]) ? trim($_POST["postDate"]) : "";
$form_values["published"] = isset($_POST["published"]) ? trim($_POST["published"]) : "";
$form_values["tags"] = isset($_POST["tags"]) ? trim($_POST["tags"]) : "";
if (empty($form_values["title"])) {
$form_errors["title"] = "No title specified";
}
if (empty($form_values["content"])) {
$form_errors["content"] = "No content specified";
}
if (empty($form_values["postDate"])) {
$form_errors["postDate"] = "No post date specified";
} else {
if (strtotime($_POST["postDate"]) == 0) {
$form_errors["postDate"] = "An invalid post date was specified";
$form_values["postDate"] = "";
}
}
if ($form_values["published"] != "true" && $form_values["published"] != "false") {
$form_errors["published"] = "Invalid published choice";
}
if (empty($form_errors)) {
$article = new Article();
$article->setTitle($form_values["title"]);
$article->setContent($form_values["content"]);
$article->setPostDate(strtotime($form_values["postDate"]));
$article->setUpdateDate(0);
$published = $form_values["published"] == "true" ? 1 : 0;
$article->setPublished($published);
$article->setUserId($user->id);
//$article->setTags ($form_values["tags"]);
$sorted_tag_array = ArticleTag::tagsFromString($form_values["tags"]);
$sorted_tags = implode(" ", $sorted_tag_array);
$article->setTags($sorted_tags);
if ($articleDAO->insert($article)) {
$tagDAO->updateTags($article);
$session->setMessage("Article details saved");
header("Location: edit_article.php?id={$article->id}");
return;
} else {
$session->setMessage("Article details could not be saved", Session::MESSAGE_ERROR);
}
}
}
$this->template->render(array("title" => "Create Article", "extra_header" => joinPath("headers", "jscal_header_tpl.php"), "main_page" => "create_article_tpl.php", "session" => $session, "form_errors" => $form_errors, "form_values" => $form_values));
}
/**
* Run method with main page logic
*
* Populate template and display form for editing an article entry. For POST requests,
* check user credentials, check if article exists and then update entry in database.
* Available to admins only
* @access public
*/
public function run()
{
$session = Session::getInstance();
$user = $session->getUser();
if (!$user || !$user->isAdmin()) {
$session->setMessage("Do not have permission to access", Session::MESSAGE_ERROR);
header("Location: " . BASE_URL);
return;
}
$form_errors = array();
$form_values = array("id" => "", "title" => "", "content" => "", "postDate" => "", "updateDate" => "", "published" => "", "tags" => "");
$articleDAO = ArticleDAO::getInstance();
$tagDAO = ArticleTagDAO::getInstance();
$article = null;
if (!empty($_POST)) {
$form_values["id"] = isset($_POST["id"]) && is_numeric($_POST["id"]) ? intval($_POST["id"]) : "";
$form_values["title"] = isset($_POST["title"]) ? trim($_POST["title"]) : "";
$form_values["content"] = isset($_POST["content"]) ? trim($_POST["content"]) : "";
$form_values["postDate"] = isset($_POST["postDate"]) ? trim($_POST["postDate"]) : "";
$form_values["updateDate"] = isset($_POST["updateDate"]) ? trim($_POST["updateDate"]) : "";
$form_values["published"] = isset($_POST["published"]) ? trim($_POST["published"]) : "";
$form_values["tags"] = isset($_POST["tags"]) ? trim($_POST["tags"]) : "";
if (empty($form_values["id"])) {
$form_errors["id"] = "No id specified";
}
if (empty($form_values["title"])) {
$form_errors["title"] = "No title specified";
}
if (empty($form_values["content"])) {
$form_errors["content"] = "No content specified";
}
if (empty($form_values["postDate"])) {
$form_errors["postDate"] = "No post date specified";
} else {
if (strtotime($form_values["postDate"]) == 0) {
$form_errors["postDate"] = "An invalid post date was specified";
$form_values["postDate"] = "";
}
}
if (!empty($form_values["updateDate"]) && strtotime($form_values["updateDate"]) == 0) {
$form_errors["updateDate"] = "An invalid update date was specified";
$form_values["updateDate"] = "";
}
if ($form_values["published"] != "true" && $form_values["published"] != "false") {
$form_errors["published"] = "Invalid published choice";
}
if (empty($form_errors)) {
$article = $articleDAO->load($form_values["id"]);
if ($article && ($user->isAdmin() || $article->userId == $user->id)) {
$article->setTitle($form_values["title"]);
$article->setContent($form_values["content"]);
$article->setPostDate(strtotime($form_values["postDate"]));
if (!empty($form_values["updateDate"])) {
$article->setUpdateDate(strtotime($form_values["updateDate"]));
}
//$article->setUpdateDate (time ());
$published = $form_values["published"] == "true" ? 1 : 0;
$article->setPublished($published);
$article->setUserId($user->id);
$sorted_tag_array = ArticleTag::tagsFromString($form_values["tags"]);
$sorted_tags = implode(" ", $sorted_tag_array);
$article->setTags($sorted_tags);
//print_r ($article);
if ($articleDAO->save($article)) {
$tagDAO->updateTags($article);
$session->setMessage("Article details saved");
header("Location: edit_article.php?id={$article->id}");
return;
} else {
$session->setMessage("Article details could not be saved", Session::MESSAGE_ERROR);
}
} else {
$session->setMessage("Do not have permission to edit the article", Session::MESSAGE_ERROR);
header("Location: " . BASE_URL);
return;
}
} else {
if (empty($form_errors["id"])) {
$article = $articleDAO->load($form_values["id"]);
}
}
} else {
if (!empty($_GET)) {
$form_values["id"] = isset($_GET["id"]) ? $_GET["id"] : "";
if (empty($form_values["id"])) {
header("Location: " . BASE_URL);
return;
} else {
$article = $articleDAO->load($form_values["id"]);
// Article does not exist. Pass null to template
if (!$article) {
} else {
if (!$user->isAdmin() && $article->userId != $user->id) {
$session->setMessage("Do not have permission to edit article", Session::MESSAGE_ERROR);
header("Location: " . BASE_URL);
return;
} else {
$form_values["id"] = $article->getId();
$form_values["title"] = $article->getTitle();
$form_values["content"] = $article->getContent();
$form_values["published"] = $article->getPublished() == true ? "true" : "false";
$form_values["postDate"] = strftime("%d %B %Y", $article->getPostDate());
$form_values["updateDate"] = $article->getUpdateDate() > 0 ? strftime("%d %B %Y", $article->getUpdateDate()) : "";
$form_values["tags"] = $article->getTags();
}
}
}
}
}
$this->template->render(array("title" => "Edit Article", "extra_header" => joinPath("headers", "jscal_header_tpl.php"), "main_page" => "edit_article_tpl.php", "session" => $session, "article" => $article, "form_errors" => $form_errors, "form_values" => $form_values));
}
