PHPStan Level 6 for FreshRSS_Share (#5289)

https://github.com/FreshRSS/FreshRSS/pull/5284

3 files changed, 172 insertions, 147 deletions

diff --git a/app/Models/Share.php b/app/Models/Share.php
index 375b17f01..7bd6de9cf 100644
--- a/app/Models/Share.php
+++ b/app/Models/Share.php
@@ -6,28 +6,31 @@
 class FreshRSS_Share {
 	/**
 	 * The list of available sharing options.
+	 * @var array<string,FreshRSS_Share>
 	 */
-	private static $list_sharing = array();
+	private static $list_sharing = [];
 
 	/**
 	 * Register a new sharing option.
-	 * @param array<string,string|array<string>> $share_options is an array defining the share option.
+	 * @param array{'type':string,'url':string,'transform'?:array<string>|array<string,string>,'field'?:string,'help'?:string,'form'?:'simple'|'advanced',
+	 *	'method'?:'GET'|'POST','HTMLtag'?:'button','deprecated'?:bool} $share_options is an array defining the share option.
 	 */
-	public static function register($share_options) {
+	private static function register(array $share_options): void {
 		$type = $share_options['type'];
-
 		if (isset(self::$list_sharing[$type])) {
 			return;
 		}
 
-		$HTMLtag = isset($share_options['HTMLtag']) ? $share_options['HTMLtag'] : 'link';
-		$isDeprecated = isset($share_options['deprecated']) ? $share_options['deprecated'] : false;
-		$help_url = isset($share_options['help']) ? $share_options['help'] : '';
-		$field = isset($share_options['field']) ? $share_options['field'] : null;
 		self::$list_sharing[$type] = new FreshRSS_Share(
-			$type, $share_options['url'], $share_options['transform'],
-			$share_options['form'], $help_url, $share_options['method'],
-			$field, $HTMLtag, $isDeprecated
+			$type,
+			$share_options['url'],
+			$share_options['transform'] ?? [],
+			$share_options['form'] ?? 'simple',
+			$share_options['help'] ?? '',
+			$share_options['method'] ?? 'GET',
+			$share_options['field'] ?? null,
+			$share_options['HTMLtag'] ?? null,
+			$share_options['deprecated'] ?? false
 		);
 	}
 
@@ -35,7 +38,7 @@ class FreshRSS_Share {
 	 * Register sharing options in a file.
 	 * @param string $filename the name of the file to load.
 	 */
-	public static function load($filename) {
+	public static function load(string $filename): void {
 		$shares_from_file = @include($filename);
 		if (!is_array($shares_from_file)) {
 			$shares_from_file = array();
@@ -53,17 +56,17 @@ class FreshRSS_Share {
 
 	/**
 	 * Return the list of sharing options.
-	 * @return array<FreshRSS_Share>
+	 * @return array<string,FreshRSS_Share>
 	 */
-	public static function enum() {
+	public static function enum(): array {
 		return self::$list_sharing;
 	}
 
 	/**
-	 * Return FreshRSS_Share object related to the given type.
 	 * @param string $type the share type, null if $type is not registered.
+	 * @return FreshRSS_Share|null object related to the given type.
 	 */
-	public static function get($type) {
+	public static function get(string $type): ?FreshRSS_Share {
 		if (!isset(self::$list_sharing[$type])) {
 			return null;
 		}
@@ -71,48 +74,68 @@ class FreshRSS_Share {
 		return self::$list_sharing[$type];
 	}
 
-	/**
-	 *
-	 */
+
+	/** @var string */
 	private $type = '';
+	/** @var string */
 	private $name = '';
+	/** @var string */
 	private $url_transform = '';
-	private $transform = array();
+	/** @var array<string>|array<string,array<string>> */
+	private $transforms = [];
+	/**
+	 * @phpstan-var 'simple'|'advanced'
+	 * @var string
+	 */
 	private $form_type = 'simple';
+	/** @var string */
 	private $help_url = '';
+	/** @var string|null */
 	private $custom_name = null;
+	/** @var string|null */
 	private $base_url = null;
+	/** @var string|null */
 	private $id = null;
+	/** @var string|null */
 	private $title = null;
+	/** @var string|null */
 	private $link = null;
+	/** @var bool */
 	private $isDeprecated = false;
+	/**
+	 * @phpstan-var 'GET'|'POST'
+	 * @var string
+	 */
 	private $method = 'GET';
+	/** @var string|null */
 	private $field;
-	private $HTMLtag = 'link';
+	/**
+	 * @phpstan-var 'button'|null
+	 * @var string
+	 */
+	private $HTMLtag;
 
 	/**
 	 * Create a FreshRSS_Share object.
 	 * @param string $type is a unique string defining the kind of share option.
 	 * @param string $url_transform defines the url format to use in order to share.
-	 * @param array<string> $transform is an array of transformations to apply on link and title.
-	 * @param string $form_type defines which form we have to use to complete. "simple"
+	 * @param array<string>|array<string,array<string>> $transforms is an array of transformations to apply on link and title.
+	 * @param 'simple'|'advanced' $form_type defines which form we have to use to complete. "simple"
 	 *        is typically for a centralized service while "advanced" is for
 	 *        decentralized ones.
 	 * @param string $help_url is an optional url to give help on this option.
-	 * @param string $method defines the sharing method (GET or POST)
+	 * @param 'GET'|'POST' $method defines the sharing method (GET or POST)
+	 * @param 'button'|null $HTMLtag
 	 */
-	private function __construct($type, $url_transform, $transform, $form_type, $help_url, $method, $field, $HTMLtag, $isDeprecated = false) {
+	private function __construct(string $type, string $url_transform, array $transforms, string $form_type,
+		string $help_url, string $method, ?string $field, ?string $HTMLtag, bool $isDeprecated = false) {
 		$this->type = $type;
 		$this->name = _t('gen.share.' . $type);
 		$this->url_transform = $url_transform;
 		$this->help_url = $help_url;
 		$this->HTMLtag = $HTMLtag;
 		$this->isDeprecated = $isDeprecated;
-
-		if (!is_array($transform)) {
-			$transform = array();
-		}
-		$this->transform = $transform;
+		$this->transforms = $transforms;
 
 		if (!in_array($form_type, array('simple', 'advanced'))) {
 			$form_type = 'simple';
@@ -130,7 +153,7 @@ class FreshRSS_Share {
 	 * @param array<string,string> $options is a list of information to update where keys should be
 	 *        in this list: name, url, id, title, link.
 	 */
-	public function update($options) {
+	public function update(array $options): void {
 		$available_options = array(
 			'name' => 'custom_name',
 			'url' => 'base_url',
@@ -151,14 +174,15 @@ class FreshRSS_Share {
 	/**
 	 * Return the current type of the share option.
 	 */
-	public function type() {
+	public function type(): string {
 		return $this->type;
 	}
 
 	/**
 	 * Return the current method of the share option.
+	 * @return 'GET'|'POST'
 	 */
-	public function method() {
+	public function method(): string {
 		return $this->method;
 	}
 
@@ -166,35 +190,37 @@ class FreshRSS_Share {
 	 * Return the current field of the share option. It’s null for shares
 	 * using the GET method.
 	 */
-	public function field() {
+	public function field(): ?string {
 		return $this->field;
 	}
 
 	/**
 	 * Return the current form type of the share option.
+	 * @return 'simple'|'advanced'
 	 */
-	public function formType() {
+	public function formType(): string {
 		return $this->form_type;
 	}
 
 	/**
 	 * Return the current help url of the share option.
 	 */
-	public function help() {
+	public function help(): string {
 		return $this->help_url;
 	}
 
 	/**
-	 * Return the type of HTML tag of the share option.
+	 * Return the custom type of HTML tag of the share option, null for default.
+	 * @return 'button'|null
 	 */
-	public function HTMLtag() {
+	public function HTMLtag(): ?string {
 		return $this->HTMLtag;
 	}
 
 	/**
 	 * Return the current name of the share option.
 	 */
-	public function name($real = false) {
+	public function name(bool $real = false): ?string {
 		if ($real || is_null($this->custom_name) || empty($this->custom_name)) {
 			return $this->name;
 		} else {
@@ -205,21 +231,21 @@ class FreshRSS_Share {
 	/**
 	 * Return the current base url of the share option.
 	 */
-	public function baseUrl() {
+	public function baseUrl(): string {
 		return $this->base_url;
 	}
 
 	/**
 	 * Return the deprecated status of the share option.
 	 */
-	public function isDeprecated() {
+	public function isDeprecated(): bool {
 		return $this->isDeprecated;
 	}
 
 	/**
 	 * Return the current url by merging url_transform and base_url.
 	 */
-	public function url() {
+	public function url(): string {
 		$matches = array(
 			'~ID~',
 			'~URL~',
@@ -239,45 +265,45 @@ class FreshRSS_Share {
 	 * Return the id.
 	 * @param bool $raw true if we should get the id without transformations.
 	 */
-	public function id($raw = false) {
+	public function id(bool $raw = false): ?string {
 		if ($raw) {
 			return $this->id;
 		}
 
-		return $this->transform($this->id, $this->getTransform('id'));
+		return self::transform($this->id, $this->getTransform('id'));
 	}
 
 	/**
 	 * Return the title.
 	 * @param bool $raw true if we should get the title without transformations.
 	 */
-	public function title($raw = false) {
+	public function title(bool $raw = false): string {
 		if ($raw) {
 			return $this->title;
 		}
 
-		return $this->transform($this->title, $this->getTransform('title'));
+		return self::transform($this->title, $this->getTransform('title'));
 	}
 
 	/**
 	 * Return the link.
 	 * @param bool $raw true if we should get the link without transformations.
 	 */
-	public function link($raw = false) {
+	public function link(bool $raw = false): string {
 		if ($raw) {
 			return $this->link;
 		}
 
-		return $this->transform($this->link, $this->getTransform('link'));
+		return self::transform($this->link, $this->getTransform('link'));
 	}
 
 	/**
 	 * Transform a data with the given functions.
 	 * @param string $data the data to transform.
 	 * @param array<string> $transform an array containing a list of functions to apply.
-	 * @return mixed the transformed data.
+	 * @return string the transformed data.
 	 */
-	private static function transform($data, $transform) {
+	private static function transform(string $data, $transform): string {
 		if (!is_array($transform) || empty($transform)) {
 			return $data;
 		}
@@ -296,11 +322,11 @@ class FreshRSS_Share {
 	 * @param string $attr the attribute of which we want the transformations.
 	 * @return array<string> containing a list of transformations to apply.
 	 */
-	private function getTransform($attr) {
-		if (array_key_exists($attr, $this->transform)) {
-			return $this->transform[$attr];
+	private function getTransform(string $attr): array {
+		if (array_key_exists($attr, $this->transforms)) {
+			return $this->transforms[$attr];
 		}
 
-		return $this->transform;
+		return $this->transforms;
 	}
 }
diff --git a/app/shares.php b/app/shares.php
index e64503f32..6feb13898 100644
--- a/app/shares.php
+++ b/app/shares.php
@@ -27,208 +27,208 @@
  *   - 'method' is the HTTP method (POST or GET) used to share a link.
  */
 
-return array(
-	'archiveORG' => array(
+return [
+	'archiveORG' => [
 		'url' => 'https://web.archive.org/save/~LINK~',
-		'transform' => array(),
+		'transform' => [],
 		'help' => 'https://web.archive.org',
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'archivePH' => array(
+	],
+	'archivePH' => [
 		'url' => 'https://archive.ph/submit/?url=~LINK~',
-		'transform' => array(),
+		'transform' => [],
 		'help' => 'https://archive.ph/',
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'blogotext' => array(
+	],
+	'blogotext' => [
 		'deprecated' => true,
 		'url' => '~URL~/admin/links.php?url=~LINK~',
-		'transform' => array(),
+		'transform' => [],
 		'help' => 'http://lehollandaisvolant.net/blogotext/fr/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'buffer' => array(
+	],
+	'buffer' => [
 		'url' => 'https://publish.buffer.com/compose?url=~LINK~&text=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://support.buffer.com/hc/en-us/articles/360035587394-Scheduling-posts',
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'clipboard' => array(
+	],
+	'clipboard' => [
 		'HTMLtag' => 'button',
 		'url' => '~LINK~',
-		'transform' => array(),
+		'transform' => [],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'diaspora' => array(
+	],
+	'diaspora' => [
 		'url' => '~URL~/bookmarklet?url=~LINK~&amp;title=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://diasporafoundation.org/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'email' => array(
+	],
+	'email' => [
 		'url' => 'mailto:?subject=~TITLE~&amp;body=~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'email-webmail-firefox-fix' => array( // see https://github.com/FreshRSS/FreshRSS/issues/2666
+	],
+	'email-webmail-firefox-fix' => [ // see https://github.com/FreshRSS/FreshRSS/issues/2666
 		'url' => 'mailto:?subject=~TITLE~&amp;body=~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'facebook' => array(
+	],
+	'facebook' => [
 		'url' => 'https://www.facebook.com/sharer.php?u=~LINK~&amp;t=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'gnusocial' => array(
+	],
+	'gnusocial' => [
 		'url' => '~URL~/notice/new?content=~TITLE~%20~LINK~',
-		'transform' => array('urlencode'),
+		'transform' => ['urlencode'],
 		'help' => 'https://gnu.io/social/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'jdh' => array(
+	],
+	'jdh' => [
 		'url' => 'https://www.journalduhacker.net/stories/new?url=~LINK~&title=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'Known' => array(
+	],
+	'Known' => [
 		'url' => '~URL~/share?share_url=~LINK~&share_title=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://withknown.com/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'lemmy' => array(
+	],
+	'lemmy' => [
 		'url' => '~URL~/create_post?url=~LINK~&title=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://join-lemmy.org/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'linkding' => array(
+	],
+	'linkding' => [
 		'url' => '~URL~/bookmarks/new?url=~LINK~&auto_close',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://github.com/sissbruecker/linkding/blob/master/docs/how-to.md',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'linkedin' => array(
+	],
+	'linkedin' => [
 		'url' => 'https://www.linkedin.com/shareArticle?url=~LINK~&amp;title=~TITLE~&amp;source=FreshRSS',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'mastodon' => array(
+	],
+	'mastodon' => [
 		'url' => '~URL~/share?title=~TITLE~&url=~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://joinmastodon.org/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'movim' => array(
+	],
+	'movim' => [
 		'url' => '~URL~/?share/~LINK~',
-		'transform' => array('urlencode'),
+		'transform' => ['urlencode'],
 		'help' => 'https://movim.eu/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'pinboard' => array(
+	],
+	'pinboard' => [
 		'url' => 'https://pinboard.in/add?next=same&amp;url=~LINK~&amp;title=~TITLE~',
-		'transform' => array('urlencode'),
+		'transform' => ['urlencode'],
 		'help' => 'https://pinboard.in/api/',
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'pinterest' => array(
+	],
+	'pinterest' => [
 		'url' => 'https://pinterest.com/pin/create/button/?url=~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://pinterest.com/',
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'pocket' => array(
+	],
+	'pocket' => [
 		'url' => 'https://getpocket.com/save?url=~LINK~&amp;title=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'print' => array(
+	],
+	'print' => [
 		'HTMLtag' => 'button',
 		'url' => '#',
-		'transform' => array(),
+		'transform' => [],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'raindrop' => array(
+	],
+	'raindrop' => [
 		'url' => 'https://app.raindrop.io/add?link=~LINK~&title=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'reddit' => array(
+	],
+	'reddit' => [
 		'url' => 'https://www.reddit.com/submit?url=~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://www.reddit.com/wiki/submitting?v=c2ae883a-04b9-11e4-a68c-12313b01a1fc',
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'shaarli' => array(
+	],
+	'shaarli' => [
 		'url' => '~URL~?post=~LINK~&amp;title=~TITLE~&amp;source=FreshRSS',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'http://sebsauvage.net/wiki/doku.php?id=php:shaarli',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'twitter' => array(
+	],
+	'twitter' => [
 		'url' => 'https://twitter.com/share?url=~LINK~&amp;text=~TITLE~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'wallabag' => array(
+	],
+	'wallabag' => [
 		'url' => '~URL~?action=add&amp;url=~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'http://www.wallabag.org/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'wallabagv2' => array(
+	],
+	'wallabagv2' => [
 		'url' => '~URL~/bookmarklet?url=~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'http://www.wallabag.org/',
 		'form' => 'advanced',
 		'method' => 'GET',
-	),
-	'web-sharing-api' => array(
+	],
+	'web-sharing-api' => [
 		'HTMLtag' => 'button',
 		'url' => '~LINK~',
-		'transform' => array(),
+		'transform' => [],
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'whatsapp' => array(
+	],
+	'whatsapp' => [
 		'url' => 'https://wa.me/?text=~TITLE~ | ~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://faq.whatsapp.com/iphone/how-to-link-to-whatsapp-from-a-different-app/?lang=en',
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-	'xing' => array(
+	],
+	'xing' => [
 		'url' => 'https://www.xing.com/spi/shares/new?url=~LINK~',
-		'transform' => array('rawurlencode'),
+		'transform' => ['rawurlencode'],
 		'help' => 'https://dev.xing.com/plugins/share_button/docs',
 		'form' => 'simple',
 		'method' => 'GET',
-	),
-);
+	],
+];
diff --git a/tests/phpstan-next.txt b/tests/phpstan-next.txt
index d6edd8746..adf62cd8c 100644
--- a/tests/phpstan-next.txt
+++ b/tests/phpstan-next.txt
@@ -11,7 +11,6 @@
 ./app/Models/Feed.php
 ./app/Models/FeedDAO.php
 ./app/Models/Search.php
-./app/Models/Share.php
 ./app/Models/TagDAO.php
 ./app/Services/ImportService.php
 ./cli/i18n/I18nData.php