added unsave tags (commited to stable by Konstantin)

[squirrelmail.git] / functions / db_prefs.php

diff --git a/functions/db_prefs.php b/functions/db_prefs.php
index c11b2c5983aeaf01696b637ae93ffea63c9cace2..a8a5ba3a77a26e537600c0004a361be45e2fdfa8 100644 (file)
--- a/functions/db_prefs.php
+++ b/functions/db_prefs.php
@@ -9,10 +9,6 @@
  * This contains functions for manipulating user preferences
  * stored in a database, accessed though the Pear DB layer.
  *
- * To use this instead of the regular prefs.php, create a
- * database as described below, and replace prefs.php
- * with this file.
- *
  * Database:
  * ---------
  *
@@ -32,8 +28,12 @@
  * $Id$
  */
 
+define('SMDB_UNKNOWN', 0);
+define('SMDB_MYSQL', 1);
+define('SMDB_PGSQL', 2);
+
 require_once('DB.php');
-require_once('../config/config.php');
+require_once(SM_PATH . 'config/config.php');
 
 global $prefs_are_cached, $prefs_cache;
 
@@ -75,17 +75,25 @@ class dbPrefs {
 
     var $dbh   = NULL;
     var $error = NULL;
+    var $db_type = SMDB_UNKNOWN;
 
-    var $default = Array('chosen_theme' => '../themes/default_theme.php',
+    var $default = Array('theme_default' => 0,
                          'show_html_default' => '0');
 
     function open() {
         global $prefs_dsn, $prefs_table;
+        global $prefs_user_field, $prefs_key_field, $prefs_val_field;
 
         if(isset($this->dbh)) {
             return true;
         }
 
+        if (preg_match('/^mysql/', $prefs_dsn)) {
+            $this->db_type = SMDB_MYSQL;
+        } elseif (preg_match('/^pgsql/', $prefs_dsn)) {
+            $this->db_type = SMDB_PGSQL;
+        }
+
         if (!empty($prefs_table)) {
             $this->table = $prefs_table;
         }
@@ -168,19 +176,71 @@ class dbPrefs {
         if (!$this->open()) {
             return false;
         }
-        $query = sprintf("REPLACE INTO %s (%s, %s, %s) ".
-                         "VALUES('%s','%s','%s')",
-                         $this->table,
-                         $this->user_field,
-                         $this->key_field,
-                         $this->val_field,
-                         $this->dbh->quoteString($user),
-                         $this->dbh->quoteString($key),
-                         $this->dbh->quoteString($value));
-
-        $res = $this->dbh->simpleQuery($query);
-        if(DB::isError($res)) {
-            $this->failQuery($res);
+        if ($this->db_type == SMDB_MYSQL) {
+            $query = sprintf("REPLACE INTO %s (%s, %s, %s) ".
+                             "VALUES('%s','%s','%s')",
+                             $this->table,
+                             $this->user_field,
+                             $this->key_field,
+                             $this->val_field,
+                             $this->dbh->quoteString($user),
+                             $this->dbh->quoteString($key),
+                             $this->dbh->quoteString($value));
+
+            $res = $this->dbh->simpleQuery($query);
+            if(DB::isError($res)) {
+                $this->failQuery($res);
+            }
+        } elseif ($this->db_type == SMDB_PGSQL) {
+            $this->dbh->simpleQuery("BEGIN TRANSACTION");
+            $query = sprintf("DELETE FROM %s WHERE %s='%s' AND %s='%s'",
+                             $this->table,
+                             $this->user_field,
+                             $this->dbh->quoteString($user),
+                             $this->key_field,
+                             $this->dbh->quoteString($key));
+            $res = $this->dbh->simpleQuery($query);
+            if (DB::isError($res)) {
+                $this->dbh->simpleQuery("ROLLBACK TRANSACTION");
+                $this->failQuery($res);
+            }
+            $query = sprintf("INSERT INTO %s (%s, %s, %s) VALUES ('%s', '%s', '%s')",
+                             $this->table,
+                             $this->user_field,
+                             $this->key_field,
+                             $this->val_field,
+                             $this->dbh->quoteString($user),
+                             $this->dbh->quoteString($key),
+                             $this->dbh->quoteString($value));
+            $res = $this->dbh->simpleQuery($query);
+            if (DB::isError($res)) {
+                $this->dbh->simpleQuery("ROLLBACK TRANSACTION");
+                $this->failQuery($res);
+            }
+            $this->dbh->simpleQuery("COMMIT TRANSACTION");
+        } else {
+            $query = sprintf("DELETE FROM %s WHERE %s='%s' AND %s='%s'",
+                             $this->table,
+                             $this->user_field,
+                             $this->dbh->quoteString($user),
+                             $this->key_field,
+                             $this->dbh->quoteString($key));
+            $res = $this->dbh->simpleQuery($query);
+            if (DB::isError($res)) {
+                $this->failQuery($res);
+            }
+            $query = sprintf("INSERT INTO %s (%s, %s, %s) VALUES ('%s', '%s', '%s')",
+                             $this->table,
+                             $this->user_field,
+                             $this->key_field,
+                             $this->val_field,
+                             $this->dbh->quoteString($user),
+                             $this->dbh->quoteString($key),
+                             $this->dbh->quoteString($value));
+            $res = $this->dbh->simpleQuery($query);
+            if (DB::isError($res)) {
+                $this->failQuery($res);
+            }
         }
 
         return true;
@@ -333,33 +393,23 @@ function checkForPrefs($data_dir, $username) {
 
 /* Writes the Signature */
 function setSig($data_dir, $username, $number, $string) {
-    $db = new dbPrefs;
-    if(isset($db->error)) {
-        $db->failQuery();
-    }
-
     if ($number == "g") {
         $key = '___signature___';
     } else {
         $key = sprintf('___sig%s___', $number);
     }
-    $db->setKey($username, $key, $string);
+    setPref($data_dir, $username, $key, $string);
     return;
 }
 
 /* Gets the signature */
 function getSig($data_dir, $username, $number) {
-    $db = new dbPrefs;
-    if(isset($db->error)) {
-        $db->failQuery();
-    }
-
     if ($number == "g") {
         $key = '___signature___';
     } else {
         $key = sprintf('___sig%d___', $number);
     }
-    return $db->getKey($username, $key);
+    return getPref($data_dir, $username, $key);
 }
 
 ?>