code review (statement, nullsafe, static method)

src/Install.php

@@ -14,18 +14,15 @@ declare(strict_types=1);
 
 namespace Dotclear\Plugin\whiteListCom;
 
-/* dotclear ns */
 use dcCore;
 use dcNamespace;
 use dcNsProcess;
-
-/* php ns */
 use Exception;
 
 class Install extends dcNsProcess
 {
     // Module specs
-    private static $mod_conf = [
+    private static array $mod_conf = [
         [
             'unmoderated',
             '[]',
@@ -49,7 +46,11 @@ class Install extends dcNsProcess
 
     public static function process(): bool
     {
-        if (!sestaticlf::$init) {
+        if (!static::$init) {
+            return false;
+        }
+
+        if (is_null(dcCore::app()->blog)) {
             return false;
         }
 
@@ -89,15 +90,15 @@ class Install extends dcNsProcess
             );
 
             while ($record->fetch()) {
-                if (preg_match('/^whiteListCom(.*?)$/', $record->setting_id, $match)) {
+                if (preg_match('/^whiteListCom(.*?)$/', $record->f('setting_id'), $match)) {
-                    $value              = @unserialize(@base64_decode($record->setting_value));
+                    $value = @unserialize(@base64_decode($record->f('setting_value')));
                     $cur   = dcCore::app()->con->openCursor(dcCore::app()->prefix . dcNamespace::NS_TABLE_NAME);
-                    $cur->setting_id    = $match[1];
+                    $cur->setField('setting_id', $match[1]);
-                    $cur->setting_ns    = My::id();
+                    $cur->setField('setting_ns', My::id());
-                    $cur->setting_value = is_array($value) ? json_encode($value) : '[]';
+                    $cur->setField('setting_value', is_array($value) ? json_encode($value) : '[]');
                     $cur->update(
-                        "WHERE setting_id = '" . $record->setting_id . "' and setting_ns = 'whiteListCom' " .
+                        "WHERE setting_id = '" . $record->f('setting_id') . "' and setting_ns = 'whiteListCom' " .
-                        'AND blog_id ' . (null === $record->blog_id ? 'IS NULL ' : ("= '" . dcCore::app()->con->escape($record->blog_id) . "' "))
+                        'AND blog_id ' . (null === $record->f('blog_id') ? 'IS NULL ' : ("= '" . dcCore::app()->con->escapeStr((string) $record->f('blog_id')) . "' "))
                     );
                 }
             }

src/ReservedWhiteList.php

@@ -16,13 +16,13 @@ namespace Dotclear\Plugin\whiteListCom;
 
 use dcCore;
 use dcPage;
-use dcSpamFilter;
 use Dotclear\Helper\Html\Form\{
     Checkbox,
     Hidden
 };
 use Dotclear\Helper\Html\Html;
 use Dotclear\Helper\Network\Http;
+use Dotclear\Plugin\antispam\SpamFilter;
 use Exception;
 
 /**
@@ -30,17 +30,23 @@ use Exception;
  * @brief Filter for reserved names.
  * @since 2.6
  */
-class ReservedWhiteList extends dcSpamFilter
+class ReservedWhiteList extends SpamFilter
 {
     public $name    = 'Reserved names';
     public $has_gui = true;
 
+    /**
+     * @return  void
+     */
     protected function setInfo()
     {
         $this->name        = __('Reserved names');
         $this->description = __('Whitelist of reserved names of users');
     }
 
+    /**
+     * @return  void|null|bool
+     */
     public function isSpam($type, $author, $email, $site, $ip, $content, $post_id, &$status)
     {
         if ($type != 'comment') {
@@ -50,9 +56,7 @@ class ReservedWhiteList extends dcSpamFilter
         $throw = false;
 
         try {
-            $wlc = new Utils();
+            if (true === Utils::isReserved($author, $email)) {
-
-            if (true === $wlc->isReserved($author, $email)) {
                 $status = 'reserved name';
                 //return true;
                 $throw = true;
@@ -68,6 +72,9 @@ class ReservedWhiteList extends dcSpamFilter
         }
     }
 
+    /**
+     * @return  string
+     */
     public function getStatusMessage($status, $comment_id)
     {
         return __('This name is reserved to an other user.');
@@ -75,40 +82,41 @@ class ReservedWhiteList extends dcSpamFilter
 
     public function gui(string $url): string
     {
-        $wlc      = new Utils();
         $comments = [];
 
         try {
             if (!empty($_POST['update_reserved'])) {
-                $wlc->emptyReserved();
+                Utils::emptyReserved();
                 foreach ($_POST['reserved'] as $i => $name) {
-                    $wlc->addReserved($name, $_POST['reserved_email'][$i]);
+                    Utils::addReserved($name, $_POST['reserved_email'][$i]);
                 }
-                $wlc->commit();
+                Utils::commit();
                 dcPage::addSuccessNotice(__('Reserved names have been successfully updated.'));
                 Http::redirect($url);
             }
 
-            $comments = $wlc->getCommentsUsers();
+            $comments = Utils::getCommentsUsers();
         } catch (Exception $e) {
             dcCore::app()->error->add($e->getMessage());
         }
 
         $res = '<form action="' . Html::escapeURL($url) . '" method="post">' .
         '<p>' . __('Check the users who can make comments without being moderated.') . '</p>' .
-        '<p>' . __('Comments authors list') . '</p>' .
+        '<div class="table-outer">' .
         '<table class="clear">' .
+        '<caption>' . __('Comments authors list') . '</caption>' .
         '<thead><tr><th>' . __('Author') . '</th><th>' . __('Email') . '</th></tr></thead>' .
         '<tbody>';
 
         $i = 0;
         foreach ($comments as $user) {
-            $res .= '<tr class="line">' .
+            $checked = null === Utils::isReserved($user['name'], $user['email']);
+            $res .= '<tr class="line' . ($checked ? '' : ' offline') . '">' .
             '<td class="nowrap">' .
-            (new Checkbox(['reserved[' . $i . ']'], (null === $wlc->isReserved($user['name'], $user['email']))))->value($user['name'])->render() .
+            (new Checkbox(['reserved[' . $i . ']'], $checked))->value($user['name'])->render() .
             (new Hidden(['reserved_email[' . $i . ']'], $user['email']))->render() .
             ' ' . $user['name'] . '</td>' .
-            '<td class="nowrap">' . $user['email'] . '</td>' .
+            '<td class="nowrap maximal">' . $user['email'] . '</td>' .
             '</tr>';
             $i++;
         }

src/UnmoderatedWhiteList.php

@@ -16,10 +16,10 @@ namespace Dotclear\Plugin\whiteListCom;
 
 use dcCore;
 use dcPage;
-use dcSpamFilter;
 use Dotclear\Helper\Html\Form\Checkbox;
 use Dotclear\Helper\Html\Html;
 use Dotclear\Helper\Network\Http;
+use Dotclear\Plugin\antispam\SpamFilter;
 use Exception;
 
 /**
@@ -29,17 +29,23 @@ use Exception;
  *
  * This filter is used only if comments are moderates
  */
-class UnmoderatedWhiteList extends dcSpamFilter
+class UnmoderatedWhiteList extends SpamFilter
 {
     public $name    = 'Unmoderated authors';
     public $has_gui = true;
 
+    /**
+     * @return  void
+     */
     protected function setInfo()
     {
         $this->name        = __('Unmoderated authors');
         $this->description = __('Whitelist of unmoderated authors');
     }
 
+    /**
+     * @return  void|null|bool
+     */
     public function isSpam($type, $author, $email, $site, $ip, $content, $post_id, &$status)
     {
         if ($type != 'comment'
@@ -49,8 +55,7 @@ class UnmoderatedWhiteList extends dcSpamFilter
         }
 
         try {
-            $wlc = new Utils();
+            if (Utils::isUnmoderated($email)) {
-            if ($wlc->isUnmoderated($email)) {
                 $status = 'unmoderated';
 
                 # return true in order to change comment_status after
@@ -69,23 +74,23 @@ class UnmoderatedWhiteList extends dcSpamFilter
 
         try {
             if (!empty($_POST['update_unmoderated'])) {
-                $wlc->emptyUnmoderated();
+                Utils::emptyUnmoderated();
                 foreach ($_POST['unmoderated'] as $email) {
-                    $wlc->addUnmoderated($email);
+                    Utils::addUnmoderated($email);
                 }
-                $wlc->commit();
+                Utils::commit();
                 dcPage::addSuccessNotice(__('Unmoderated names have been successfully updated.'));
                 Http::redirect($url);
             }
-            $posts    = $wlc->getPostsUsers();
+            $posts    = Utils::getPostsUsers();
-            $comments = $wlc->getCommentsUsers();
+            $comments = Utils::getCommentsUsers();
         } catch (Exception $e) {
             dcCore::app()->error->add($e->getMessage());
         }
 
         $res = '';
 
-        if (dcCore::app()->blog->settings->get('system')->get('comments_pub')) {
+        if (!is_null(dcCore::app()->blog) && dcCore::app()->blog->settings->get('system')->get('comments_pub')) {
             $res .= '<p class="message">' .
             __('This filter is used only if comments are moderates') .
             '</p>';
@@ -93,42 +98,46 @@ class UnmoderatedWhiteList extends dcSpamFilter
 
         $res .= '<form action="' . Html::escapeURL($url) . '" method="post">' .
         '<p>' . __('Check the users who can make comments without being moderated.') . '</p>' .
-        '<div class="two-cols">' .
+        '<div class="two-boxes">' .
-        '<div class="col">' .
+        '<div class="box odd">' .
-        '<p>' . __('Posts authors list') . '</p>' .
+        '<div class="table-outer">' .
         '<table class="clear">' .
+        '<caption>' . __('Posts authors list') . '</caption>' .
         '<thead><tr><th>' . __('Name') . '</th><th>' . __('Email') . '</th></tr></thead>' .
         '<tbody>';
 
         foreach ($posts as $user) {
-            $res .= '<tr class="line">' .
+            $checked = Utils::isUnmoderated($user['email']);
+            $res .= '<tr class="line' . ($checked ? '' : ' offline') . '">' .
             '<td class="nowrap">' .
-            (new Checkbox(['unmoderated[]'], $wlc->isUnmoderated($user['email'])))->value($user['email'])->render() .
+            (new Checkbox(['unmoderated[]'], $checked))->value($user['email'])->render() .
             ' ' . $user['name'] . '</td>' .
             '<td class="nowrap">' . $user['email'] . '</td>' .
             '</tr>';
         }
 
         $res .= '</tbody>' .
-        '</table>' .
+        '</table></div>' .
         '</div>' .
-        '<div class="col">' .
+        '<div class="box even">' .
-        '<p>' . __('Comments authors list') . '</p>' .
+        '<div class="table-outer">' .
         '<table class="clear">' .
+        '<caption>' . __('Comments authors list') . '</caption>' .
         '<thead><tr><th>' . __('Author') . '</th><th>' . __('Email') . '</th></tr></thead>' .
         '<tbody>';
 
         foreach ($comments as $user) {
-            $res .= '<tr class="line">' .
+            $checked = Utils::isUnmoderated($user['email']);
+            $res .= '<tr class="line' . ($checked ? '' : ' offline') . '">' .
             '<td class="nowrap">' .
-            (new Checkbox(['unmoderated[]'], $wlc->isUnmoderated($user['email'])))->value($user['email'])->render() .
+            (new Checkbox(['unmoderated[]'], $checked))->value($user['email'])->render() .
             ' ' . $user['name'] . '</td>' .
             '<td class="nowrap">' . $user['email'] . '</td>' .
             '</tr>';
         }
 
         $res .= '</tbody>' .
-        '</table>' .
+        '</table></div>' .
         '</div>' .
         '</div>' .
         '<p><input type="submit" id="update_unmoderated" name="update_unmoderated" value="' . __('Save') . '" />' .

src/Utils.php

@@ -14,10 +14,13 @@ declare(strict_types=1);
 
 namespace Dotclear\Plugin\whiteListCom;
 
-/* dotclear ns */
 use dcBlog;
 use dcCore;
 use dcUtils;
+use Dotclear\Database\Statement\{
+    JoinStatement,
+    SelectStatement,
+};
 
 /**
  * @ingroup DC_PLUGIN_WHITELISTCOM
@@ -26,36 +29,61 @@ use dcUtils;
  */
 class Utils
 {
-    public $con;
+    /** @var    bool    $init   preload check */
-    public $blog;
+    private static bool $init = false;
-    public $settings;
 
-    private $unmoderated = [];
+    /** @var    array   $unmoderated    List of unmoderated users */
-    private $reserved    = [];
+    private static array $unmoderated = [];
 
-    public function __construct()
+    /** @var    array   $unmoderated    List of reserved name */
+    private static array $reserved = [];
+
+    /**
+     * Initialize properties.
+     */
+    private static function init(): void
     {
-        $this->con         = dcCore::app()->con;
+        if (self::$init) {
-        $this->blog        = dcCore::app()->con->escapeStr((string) dcCore::app()->blog->id);
+            return;
-        $this->settings    = dcCore::app()->blog->settings->get(My::id());
-        $this->unmoderated = self::decode($this->settings->get('unmoderated'));
-        $this->reserved    = self::decode($this->settings->get('reserved'));
         }
 
-    public function commit(): void
+        if (is_null(dcCore::app()->blog)) {
+            return;
+        }
+
+        $s = dcCore::app()->blog->settings->get(My::id());
+
+        self::$unmoderated = self::decode($s->get('unmoderated'));
+        self::$reserved    = self::decode($s->get('reserved'));
+
+        self::$init = true;
+    }
+
+    /**
+     * Save changes.
+     */
+    public static function commit(): void
     {
-        $this->settings->put(
+        if (is_null(dcCore::app()->blog)) {
+            return;
+        }
+
+        self::init();
+
+        $s = dcCore::app()->blog->settings->get(My::id());
+
+        $s->put(
             'unmoderated',
-            self::encode($this->unmoderated),
+            self::encode(self::$unmoderated),
             'string',
             'Whitelist of unmoderated users on comments',
             true,
             false
         );
 
-        $this->settings->put(
+        $s->put(
             'reserved',
-            self::encode($this->reserved),
+            self::encode(self::$reserved),
             'string',
             'Whitelist of reserved names on comments',
             true,
@@ -63,64 +91,122 @@ class Utils
         );
     }
 
-    # Return
+    /**
-    # true if it is a reserved name with wrong email
+     * Check if a name is reserved.
-    # false if it is not a reserved name
+     *
-    # null if it is a reserved name with right email
+     * Return:
-    public function isReserved($author, $email): ?bool
+     * - true if it is a reserved name with wrong email
+     * - false if it is not a reserved name
+     * - null if it is a reserved name with right email
+     *
+     * @param   string  $author The author
+     * @param   string  $email  The email
+     *
+     * @return  null|bool   The reserved state
+     */
+    public static function isReserved(string $author, string $email): ?bool
     {
-        if (!isset($this->reserved[$author])) {
+        self::init();
+
+        if (!isset(self::$reserved[$author])) {
             return false;
-        } elseif ($this->reserved[$author] != $email) {
+        } elseif (self::$reserved[$author] != $email) {
             return true;
         }
 
         return null;
     }
 
-    # You must do a commit to save this change
+    /**
-    public function addReserved($author, $email): bool
+     * Add a reserved user.
+     *
+     * You must do a Utils::commit() to save this change
+     *
+     * @param   string  $author     The author
+     * @param   string  $email      The email
+     */
+    public static function addReserved(string $author, string $email): void
     {
-        $this->reserved[$author] = $email;
+        self::init();
 
-        return true;
+        self::$reserved[$author] = $email;
     }
 
-    # You must do a commit to save this change
+    /**
-    public function emptyReserved(): void
+     * Clean reserved names list.
+     *
+     * You must do a Utils::commit() to save this change
+     */
+    public static function emptyReserved(): void
     {
-        $this->reserved = [];
+        self::init();
+
+        self::$reserved = [];
     }
 
-    # Return
+    /**
-    # true if it is known as an unmoderated email else false
+     * Check if an email is unmoderated.
-    public function isUnmoderated($email): bool
+     *
+     * Return:
+     * - true if it is known as an unmoderated email
+     * - false else
+     *
+     * @param   string  $email  The email
+     *
+     * @return  bool    The reserved state
+     */
+    public static function isUnmoderated(string $email): bool
     {
-        return in_array($email, $this->unmoderated);
+        self::init();
+
+        return in_array($email, self::$unmoderated);
     }
 
-    # You must do a commit to save this change
+    /**
-    public function addUnmoderated($email): ?bool
+     * Add a unmoderated user.
+     *
+     * You must do a Utils::commit() to save this change
+     *
+     * @param   string  $email      The email
+     */
+    public static function addUnmoderated(string $email): void
     {
-        if (!in_array($email, $this->unmoderated)) {
+        self::init();
-            $this->unmoderated[] = $email;
 
-            return true;
+        if (!in_array($email, self::$unmoderated)) {
+            self::$unmoderated[] = $email;
+        }
     }
 
-        return null;
+    /**
+     * Clean unmoderated users list.
+     *
+     * You must do a Utils::commit() to save this change
+     */
+    public static function emptyUnmoderated(): void
+    {
+        self::init();
+
+        self::$unmoderated = [];
     }
 
-    # You must do a commit to save this change
+    /**
-    public function emptyUnmoderated(): void
+     * Get posts users.
+     *
+     * @return   array   The users name/email pairs
+     */
+    public static function getPostsUsers(): array
     {
-        $this->unmoderated = [];
+        if (is_null(dcCore::app()->blog)) {
+            return [];
         }
 
-    public function getPostsUsers(): array
-    {
-        $users = [];
         $rs = dcCore::app()->blog->getPostsUsers();
+        if ($rs->isEmpty()) {
+            return [];
+        }
+
+        $users = [];
         while ($rs->fetch()) {
             $name = dcUtils::getUserCN(
                 $rs->f('user_id'),
@@ -137,16 +223,41 @@ class Utils
         return $users;
     }
 
-    public function getCommentsUsers(): array
+    /**
+     * Get comments users.
+     *
+     * @return   array   The users name/email pairs
+     */
+    public static function getCommentsUsers(): array
     {
+        if (is_null(dcCore::app()->blog)) {
+            return [];
+        }
+
+        $sql = new SelectStatement();
+        $rs  = $sql->from($sql->as(dcCore::app()->prefix . dcBlog::COMMENT_TABLE_NAME, 'C'))
+            ->columns([
+                'comment_author',
+                'comment_email',
+            ])
+            ->join(
+                (new JoinStatement())
+                    ->left()
+                    ->from($sql->as(dcCore::app()->prefix . dcBlog::POST_TABLE_NAME, 'P'))
+                    ->on('C.post_id = P.post_id')
+                    ->statement()
+            )
+            ->where('blog_id = ' . $sql->quote(dcCore::app()->blog->id))
+            ->and('comment_trackback = 0')
+            ->and("comment_email != ''")
+            ->group('comment_email, comment_author') // Added author to fix postgreSql
+            ->select();
+
+        if (is_null($rs) || $rs->isEmpty()) {
+            return [];
+        }
+
         $users = [];
-        $rs    = $this->con->select(
-            'SELECT comment_author, comment_email ' .
-            'FROM ' . dcCore::app()->prefix . dcBlog::COMMENT_TABLE_NAME . ' C ' .
-            'LEFT JOIN ' . dcCore::app()->prefix . 'post P ON C.post_id=P.post_id ' .
-            "WHERE blog_id='" . $this->blog . "' AND comment_trackback=0 " .
-            'GROUP BY comment_email, comment_author ' // Added author to fix postgreSql
-        );
         while ($rs->fetch()) {
             $users[] = [
                 'name'  => $rs->f('comment_author'),
@@ -157,13 +268,27 @@ class Utils
         return $users;
     }
 
+    /**
+     * Encode settings.
+     *
+     * @param   array|string    $x  The value to encode
+     *
+     * @return  string  The encoded value
+     */
     public static function encode($x): string
     {
         $y = is_array($x) ? $x : [];
 
-        return json_encode($y);
+        return (string) json_encode($y);
     }
 
+    /**
+     * Decode settings.
+     *
+     * @param   string  $x  The value to decode
+     *
+     * @return  array  The decoded value
+     */
     public static function decode($x): array
     {
         $y = json_decode($x, true);