From 1eabd2a4e3f7a9c486a690af974d69d404b60395 Mon Sep 17 00:00:00 2001
From: Florent Bruneau <florent.bruneau@polytechnique.org>
Date: Wed, 29 Sep 2010 16:26:43 +0200
Subject: [PATCH] Add UFC_AccountPerm.

Signed-off-by: Florent Bruneau <florent.bruneau@polytechnique.org>
---
 classes/userfilter.php | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/classes/userfilter.php b/classes/userfilter.php
index 26241f3..a27f835 100644
--- a/classes/userfilter.php
+++ b/classes/userfilter.php
@@ -70,6 +70,36 @@ class UFC_AccountType implements UserFilterCondition
         return XDB::format('a.type IN {?}', $this->types);
     }
 }
+// }}}
+
+// {{{ class UFC_AccountPerm
+/** Filters users who have the given permissions
+ */
+class UFC_AccountPerm implements UserFilterCondition
+{
+    private $perms;
+
+    public function __construct()
+    {
+        $this->perms = pl_flatten(func_get_args());
+    }
+
+    public function buildCondition(PlFilter &$uf)
+    {
+        $uf->requirePerms();
+        $conds = array();
+        foreach ($this->perms as $perm) {
+            $conds[] = XDB::format('FIND_IN_SET({?}, IF(a.user_perms IS NULL, at.perms,
+                                                        CONCAT(at.perms, \',\', a.user_perms)))',
+                                   $perm);
+        }
+        if (empty($conds)) {
+            return self::COND_TRUE;
+        } else {
+            return implode(' OR ', $conds);
+        }
+    }
+}
 
 // {{{ class UFC_Hruid
 /** Filters users based on their hruid
@@ -2106,6 +2136,25 @@ class UserFilter extends PlFilter
         return $joins;
     }
 
+    /** PERMISSIONS
+     */
+    private $at = false;
+    public function requirePerms()
+    {
+        $this->requireAccounts();
+        $this->at = true;
+        return 'at';
+    }
+
+    protected function permJoins()
+    {
+        if ($this->at) {
+            return array('at' => PlSqlJoin::left('account_types', '$ME.type = a.type'));
+        } else {
+            return array();
+        }
+    }
+
     /** DISPLAY
      */
     const DISPLAY = 'display';
-- 
2.1.4