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<?php
/**
* Contains the description of a user query
*
* It allows to extract the meaningful bits of the query to be manipulated in an
* easy way.
*/
class FreshRSS_UserQuery {
private $deprecated = false;
private $get;
private $get_name;
private $get_type;
private $name;
private $order;
/** @var FreshRSS_BooleanSearch */
private $search;
private $state;
private $url;
private $feed_dao;
private $category_dao;
private $tag_dao;
/**
* @param array<string,string> $query
* @param FreshRSS_Searchable $feed_dao
* @param FreshRSS_Searchable $category_dao
*/
public function __construct($query, FreshRSS_Searchable $feed_dao = null, FreshRSS_Searchable $category_dao = null, FreshRSS_Searchable $tag_dao = null) {
$this->category_dao = $category_dao;
$this->feed_dao = $feed_dao;
$this->tag_dao = $tag_dao;
if (isset($query['get'])) {
$this->parseGet($query['get']);
}
if (isset($query['name'])) {
$this->name = trim($query['name']);
}
if (isset($query['order'])) {
$this->order = $query['order'];
}
if (empty($query['url'])) {
if (!empty($query)) {
unset($query['name']);
$this->url = Minz_Url::display(['params' => $query]);
}
} else {
$this->url = $query['url'];
}
if (!isset($query['search'])) {
$query['search'] = '';
}
// linked too deeply with the search object, need to use dependency injection
$this->search = new FreshRSS_BooleanSearch($query['search']);
if (isset($query['state'])) {
$this->state = $query['state'];
}
}
/**
* Convert the current object to an array.
*
* @return array<string,string>
*/
public function toArray() {
return array_filter(array(
'get' => $this->get,
'name' => $this->name,
'order' => $this->order,
'search' => $this->search->__toString(),
'state' => $this->state,
'url' => $this->url,
));
}
/**
* Parse the get parameter in the query string to extract its name and
* type
*
* @param string $get
*/
private function parseGet($get) {
$this->get = $get;
if (preg_match('/(?P<type>[acfst])(_(?P<id>\d+))?/', $get, $matches)) {
switch ($matches['type']) {
case 'a':
$this->parseAll();
break;
case 'c':
$this->parseCategory($matches['id']);
break;
case 'f':
$this->parseFeed($matches['id']);
break;
case 's':
$this->parseFavorite();
break;
case 't':
$this->parseTag($matches['id']);
break;
}
}
}
/**
* Parse the query string when it is an "all" query
*/
private function parseAll() {
$this->get_name = 'all';
$this->get_type = 'all';
}
/**
* Parse the query string when it is a "category" query
*
* @param integer $id
* @throws FreshRSS_DAO_Exception
*/
private function parseCategory($id) {
if (is_null($this->category_dao)) {
throw new FreshRSS_DAO_Exception('Category DAO is not loaded in UserQuery');
}
$category = $this->category_dao->searchById($id);
if ($category) {
$this->get_name = $category->name();
} else {
$this->deprecated = true;
}
$this->get_type = 'category';
}
/**
* Parse the query string when it is a "feed" query
*
* @param integer $id
* @throws FreshRSS_DAO_Exception
*/
private function parseFeed($id) {
if (is_null($this->feed_dao)) {
throw new FreshRSS_DAO_Exception('Feed DAO is not loaded in UserQuery');
}
$feed = $this->feed_dao->searchById($id);
if ($feed) {
$this->get_name = $feed->name();
} else {
$this->deprecated = true;
}
$this->get_type = 'feed';
}
/**
* Parse the query string when it is a "tag" query
*
* @param integer $id
* @throws FreshRSS_DAO_Exception
*/
private function parseTag($id) {
if ($this->tag_dao == null) {
throw new FreshRSS_DAO_Exception('Tag DAO is not loaded in UserQuery');
}
$tag = $this->tag_dao->searchById($id);
if ($tag) {
$this->get_name = $tag->name();
} else {
$this->deprecated = true;
}
$this->get_type = 'tag';
}
/**
* Parse the query string when it is a "favorite" query
*/
private function parseFavorite() {
$this->get_name = 'favorite';
$this->get_type = 'favorite';
}
/**
* Check if the current user query is deprecated.
* It is deprecated if the category or the feed used in the query are
* not existing.
*
* @return boolean
*/
public function isDeprecated() {
return $this->deprecated;
}
/**
* Check if the user query has parameters.
* If the type is 'all', it is considered equal to no parameters
*
* @return boolean
*/
public function hasParameters() {
if ($this->get_type === 'all') {
return false;
}
if ($this->hasSearch()) {
return true;
}
if ($this->state) {
return true;
}
if ($this->order) {
return true;
}
if ($this->get) {
return true;
}
return false;
}
/**
* Check if there is a search in the search object
*
* @return boolean
*/
public function hasSearch() {
return $this->search->getRawInput() != "";
}
public function getGet() {
return $this->get;
}
public function getGetName() {
return $this->get_name;
}
public function getGetType() {
return $this->get_type;
}
public function getName() {
return $this->name;
}
public function getOrder() {
return $this->order;
}
public function getSearch() {
return $this->search;
}
public function getState() {
return $this->state;
}
public function getUrl() {
return $this->url;
}
}
|
