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<?php
declare(strict_types=1);
/**
* 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 bool $deprecated = false;
private string $get = '';
private string $get_name = '';
private string $get_type = '';
private string $name = '';
private string $order = '';
private FreshRSS_BooleanSearch $search;
private int $state = 0;
private string $url = '';
private ?FreshRSS_FeedDAO $feed_dao;
private ?FreshRSS_CategoryDAO $category_dao;
private ?FreshRSS_TagDAO $tag_dao;
/**
* @param array{'get'?:string,'name'?:string,'order'?:string,'search'?:string,'state'?:int,'url'?:string} $query
*/
public function __construct(array $query, FreshRSS_FeedDAO $feed_dao = null, FreshRSS_CategoryDAO $category_dao = null, FreshRSS_TagDAO $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 (!empty($query['state'])) {
$this->state = intval($query['state']);
}
}
/**
* Convert the current object to an array.
*
* @return array{'get'?:string,'name'?:string,'order'?:string,'search'?:string,'state'?:int,'url'?:string}
*/
public function toArray(): array {
return array_filter([
'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
*/
private function parseGet(string $get): void {
$this->get = $get;
if (preg_match('/(?P<type>[acfst])(_(?P<id>\d+))?/', $get, $matches)) {
$id = intval($matches['id'] ?? '0');
switch ($matches['type']) {
case 'a':
$this->parseAll();
break;
case 'c':
$this->parseCategory($id);
break;
case 'f':
$this->parseFeed($id);
break;
case 's':
$this->parseFavorite();
break;
case 't':
$this->parseTag($id);
break;
}
}
}
/**
* Parse the query string when it is an "all" query
*/
private function parseAll(): void {
$this->get_name = 'all';
$this->get_type = 'all';
}
/**
* Parse the query string when it is a "category" query
*/
private function parseCategory(int $id): void {
if ($this->category_dao === null) {
$this->category_dao = FreshRSS_Factory::createCategoryDao();
}
$category = $this->category_dao->searchById($id);
if ($category !== null) {
$this->get_name = $category->name();
} else {
$this->deprecated = true;
}
$this->get_type = 'category';
}
/**
* Parse the query string when it is a "feed" query
*/
private function parseFeed(int $id): void {
if ($this->feed_dao === null) {
$this->feed_dao = FreshRSS_Factory::createFeedDao();
}
$feed = $this->feed_dao->searchById($id);
if ($feed !== null) {
$this->get_name = $feed->name();
} else {
$this->deprecated = true;
}
$this->get_type = 'feed';
}
/**
* Parse the query string when it is a "tag" query
*/
private function parseTag(int $id): void {
if ($this->tag_dao === null) {
$this->tag_dao = FreshRSS_Factory::createTagDao();
}
$tag = $this->tag_dao->searchById($id);
if ($tag !== null) {
$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(): void {
$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.
*/
public function isDeprecated(): bool {
return $this->deprecated;
}
/**
* Check if the user query has parameters.
* If the type is 'all', it is considered equal to no parameters
*/
public function hasParameters(): bool {
if ($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
*/
public function hasSearch(): bool {
return $this->search->getRawInput() !== '';
}
public function getGet(): string {
return $this->get;
}
public function getGetName(): string {
return $this->get_name;
}
public function getGetType(): string {
return $this->get_type;
}
public function getName(): string {
return $this->name;
}
public function getOrder(): string {
return $this->order;
}
public function getSearch(): FreshRSS_BooleanSearch {
return $this->search;
}
public function getState(): int {
return $this->state;
}
public function getUrl(): string {
return $this->url;
}
}
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