1 files changed, 189 insertions, 0 deletions
diff --git a/plugins/Blacklist/Homepage_blacklist.php b/plugins/Blacklist/Homepage_blacklist.php
new file mode 100644
index 000000000..32080667e
--- /dev/null
+++ b/plugins/Blacklist/Homepage_blacklist.php
@@ -0,0 +1,189 @@
+<?php
+/**
+ * Data class for homepage blacklisting
+ *
+ * PHP version 5
+ *
+ * @category Data
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2009, StatusNet, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+require_once INSTALLDIR . '/classes/Memcached_DataObject.php';
+
+/**
+ * Data class for Homepage blacklist
+ *
+ * @category Action
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
+ * @link     http://status.net/
+ *
+ * @see      DB_DataObject
+ */
+
+class Homepage_blacklist extends Memcached_DataObject
+{
+    public $__table = 'homepage_blacklist'; // table name
+    public $pattern;                        // string pattern
+    public $created;                        // datetime
+
+    /**
+     * Get an instance by key
+     *
+     * This is a utility method to get a single instance with a given key value.
+     *
+     * @param string $k Key to use to lookup (usually 'user_id' for this class)
+     * @param mixed  $v Value to lookup
+     *
+     * @return Homepage_blacklist object found, or null for no hits
+     *
+     */
+
+    function staticGet($k, $v=null)
+    {
+        return Memcached_DataObject::staticGet('Homepage_blacklist', $k, $v);
+    }
+
+    /**
+     * return table definition for DB_DataObject
+     *
+     * DB_DataObject needs to know something about the table to manipulate
+     * instances. This method provides all the DB_DataObject needs to know.
+     *
+     * @return array array of column definitions
+     */
+
+    function table()
+    {
+        return array('pattern' => DB_DATAOBJECT_STR + DB_DATAOBJECT_NOTNULL,
+                     'created' => DB_DATAOBJECT_STR + DB_DATAOBJECT_DATE + DB_DATAOBJECT_TIME + DB_DATAOBJECT_NOTNULL);
+    }
+
+    /**
+     * return key definitions for DB_DataObject
+     *
+     * DB_DataObject needs to know about keys that the table has; this function
+     * defines them.
+     *
+     * @return array key definitions
+     */
+
+    function keys()
+    {
+        return array('pattern' => 'K');
+    }
+
+    /**
+     * return key definitions for Memcached_DataObject
+     *
+     * Our caching system uses the same key definitions, but uses a different
+     * method to get them.
+     *
+     * @return array key definitions
+     */
+
+    function keyTypes()
+    {
+        return $this->keys();
+    }
+
+    /**
+     * Return a list of patterns to check
+     *
+     * @return array string patterns to check
+     */
+
+    static function getPatterns()
+    {
+        $patterns = self::cacheGet('homepage_blacklist:patterns');
+
+        if ($patterns === false) {
+
+            $patterns = array();
+
+            $nb = new Homepage_blacklist();
+
+            $nb->find();
+
+            while ($nb->fetch()) {
+                $patterns[] = $nb->pattern;
+            }
+
+            self::cacheSet('homepage_blacklist:patterns', $patterns);
+        }
+
+        return $patterns;
+    }
+
+    /**
+     * Save new list of patterns
+     *
+     * @return array of patterns to check
+     */
+
+    static function saveNew($newPatterns)
+    {
+        $oldPatterns = self::getPatterns();
+
+        // Delete stuff that's old that not in new
+
+        $toDelete = array_diff($oldPatterns, $newPatterns);
+
+        // Insert stuff that's in new and not in old
+
+        $toInsert = array_diff($newPatterns, $oldPatterns);
+
+        foreach ($toDelete as $pattern) {
+            $nb = Homepage_blacklist::staticGet('pattern', $pattern);
+            if (!empty($nb)) {
+                $nb->delete();
+            }
+        }
+
+        foreach ($toInsert as $pattern) {
+            $nb = new Homepage_blacklist();
+            $nb->pattern = $pattern;
+            $nb->created = common_sql_now();
+            $nb->insert();
+        }
+
+        self::blow('homepage_blacklist:patterns');
+    }
+
+    static function ensurePattern($pattern)
+    {
+        $hb = Homepage_blacklist::staticGet('pattern', $pattern);
+
+        if (empty($nb)) {
+            $hb = new Homepage_blacklist();
+            $hb->pattern = $pattern;
+            $hb->created = common_sql_now();
+            $hb->insert();
+            self::blow('homepage_blacklist:patterns');
+        }
+    }
+}