X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;f=classes%2Fxdb.php;h=d9bde6607addf65952204c0b392ec08ddd324eae;hb=ded3ae94c0786b4cf7e6c9e4e704b0d97a3a5be7;hp=a9cb0681452e79c36950d2e2e660dd7f78d511d7;hpb=ba63661ce2f38974002c7e4113320e9d06010853;p=platal.git

diff --git a/classes/xdb.php b/classes/xdb.php
index a9cb068..d9bde66 100644
--- a/classes/xdb.php
+++ b/classes/xdb.php
@@ -1,6 +1,6 @@
 <?php
 /***************************************************************************
- *  Copyright (C) 2003-2008 Polytechnique.org                              *
+ *  Copyright (C) 2003-2010 Polytechnique.org                              *
  *  http://opensource.polytechnique.org/                                   *
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
@@ -26,7 +26,7 @@ class XDB
     public static function connect()
     {
         global $globals;
-        XDB::$mysqli = new mysqli($globals->dbhost, $globals->dbuser, $globals->dbpwd, $globals->dbdb);
+        self::$mysqli = new mysqli($globals->dbhost, $globals->dbuser, $globals->dbpwd, $globals->dbdb);
         if ($globals->debug & DEBUG_BT) {
             $bt = new PlBacktrace('MySQL');
             if (mysqli_connect_errno()) {
@@ -34,15 +34,18 @@ class XDB
                 return false;
             }
         }
-        XDB::$mysqli->autocommit(true);
-        XDB::$mysqli->set_charset($globals->dbcharset);
+        self::$mysqli->autocommit(true);
+        self::$mysqli->set_charset($globals->dbcharset);
         return true;
     }
 
     public static function _prepare($args)
     {
+        global $globals;
         $query    = array_map(Array('XDB', 'escape'), $args);
-        $query[0] = str_replace('{?}', '%s', str_replace('%',   '%%', $args[0]));
+        $query[0] = preg_replace('/#([a-z0-9]*)#/', $globals->dbprefix . '$1', $args[0]);
+        $query[0] = str_replace('%',   '%%', $query[0]);
+        $query[0] = str_replace('{?}', '%s', $query[0]);
         return call_user_func_array('sprintf', $query);
     }
 
@@ -75,14 +78,16 @@ class XDB
     {
         global $globals;
 
-        if (!XDB::$mysqli && !XDB::connect()) {
-            return false;
+        if (!self::$mysqli && !self::connect()) {
+            header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error');
+            Platal::page()->kill('Impossible de se connecter à la base de données.');
+            exit;
         }
 
         if ($globals->debug & DEBUG_BT) {
             $explain = array();
             if (strpos($query, 'FOUND_ROWS()') === false) {
-                $res = XDB::$mysqli->query("EXPLAIN $query");
+                $res = self::$mysqli->query("EXPLAIN $query");
                 if ($res) {
                     while ($row = $res->fetch_assoc()) {
                         $explain[] = $row;
@@ -96,16 +101,95 @@ class XDB
         $res = XDB::$mysqli->query($query);
 
         if ($globals->debug & DEBUG_BT) {
-            PlBacktrace::$bt['MySQL']->stop(@$res->num_rows ? $res->num_rows : XDB::$mysqli->affected_rows,
-                                            XDB::$mysqli->error,
+            PlBacktrace::$bt['MySQL']->stop(@$res->num_rows ? $res->num_rows : self::$mysqli->affected_rows,
+                                            self::$mysqli->error,
                                             $explain);
         }
+
+        if ($res === false) {
+            header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error');
+            if (strpos($query, 'INSERT') === false && strpos($query, 'UPDATE') === false
+                && strpos($query, 'REPLACE') === false && strpos($query, 'DELETE') === false) {
+                $text = 'Erreur lors de l\'interrogation de la base de données';
+            } else {
+                $text = 'Erreur lors de l\'écriture dans la base de données';
+            }
+            if (php_sapi_name() == 'cli') {
+                $text .= "\n" . XDB::_reformatQuery($query)
+                       . "\n" . XDB::$mysqli->error;
+            } else if ($globals->debug) {
+                $text .= '<pre>' . pl_entities(XDB::_reformatQuery($query)) . '</pre>';
+            } else {
+                $file = fopen($globals->spoolroot . '/spool/tmp/query_errors', 'a');
+                fwrite($file, '<pre>' . date("Y-m-d G:i:s") . '</pre>'
+                            . '<pre>' . pl_entities(XDB::_reformatQuery($query)) . '</pre>'
+                            . '<pre>' . XDB::$mysqli->error . '</pre>'
+                            . "--------------------------------------------------------------------------------\n");
+                fclose($file);
+            }
+            Platal::page()->kill($text);
+            exit;
+        }
         return $res;
     }
 
+    private static function queryv($query)
+    {
+        return new XOrgDBResult(self::_prepare($query));
+    }
+
     public static function query()
     {
-        return new XOrgDBResult(XDB::_prepare(func_get_args()));
+        return self::queryv(func_get_args());
+    }
+
+    public static function format()
+    {
+        return self::_prepare(func_get_args());
+    }
+
+    // Produce the SQL statement for setting/unsetting a flag
+    public static function changeFlag($fieldname, $flagname, $state)
+    {
+        if ($state) {
+            return XDB::format($fieldname . ' = CONCAT({?}, \',\', ' . $fieldname . ')', $flagname);
+        } else {
+            return XDB::format($fieldname . ' = REPLACE(' . $fieldname . ', {?}, \'\')', $flagname);
+        }
+    }
+
+    // Produce the SQL statement representing an array
+    public static function formatArray(array $array)
+    {
+        return self::escape($array);
+    }
+
+    const WILDCARD_EXACT    = 0x00;
+    const WILDCARD_PREFIX   = 0x01;
+    const WILDCARD_SUFFIX   = 0x02;
+    const WILDCARD_CONTAINS = 0x03; // WILDCARD_PREFIX | WILDCARD_SUFFIX
+
+    // Returns the SQL statement for a wildcard search.
+    public static function formatWildcards($mode, $text)
+    {
+        if ($mode == self::WILDCARD_EXACT) {
+            return XDB::format(' = {?}', $text);
+        } else {
+            $text = str_replace(array('%', '_'), array('\%', '\_'), $text);
+            if ($mode & self::WILDCARD_PREFIX) {
+                $text = $text . '%';
+            }
+            if ($mode & self::WILDCARD_SUFFIX) {
+                $text = '%' . $text;
+            }
+            return XDB::format(" LIKE {?}", $text);
+        }
+    }
+
+    // Returns a FIELD(blah, 3, 1, 2) for use in an order with custom orders
+    public static function formatCustomOrder($field, $values)
+    {
+        return 'FIELD( ' . $field . ', ' . implode(', ', array_map(array('XDB', 'escape'), $values)) . ')';
     }
 
     public static function execute()
@@ -115,37 +199,104 @@ class XDB
         if ($globals->mode != 'rw' && !strpos($args[0], 'logger')) {
             return;
         }
-        return XDB::_query(XDB::_prepare($args));
+        return self::_query(XDB::_prepare($args));
     }
 
     public static function iterator()
     {
-        return new XOrgDBIterator(XDB::_prepare(func_get_args()));
+        return new XOrgDBIterator(self::_prepare(func_get_args()));
     }
 
     public static function iterRow()
     {
-        return new XOrgDBIterator(XDB::_prepare(func_get_args()), MYSQL_NUM);
+        return new XOrgDBIterator(self::_prepare(func_get_args()), MYSQL_NUM);
+    }
+
+    private static function findQuery($params, $default = array())
+    {
+        for ($i = 0 ; $i < count($default) ; ++$i) {
+            $is_query = false;
+            foreach (array('insert', 'select', 'replace', 'delete', 'update') as $kwd) {
+                if (stripos($params[0], $kwd) !== false) {
+                    $is_query = true;
+                    break;
+                }
+            }
+            if ($is_query) {
+                break;
+            } else {
+                $default[$i] = array_shift($params);
+            }
+        }
+        return array($default, $params);
+    }
+
+    /** Fetch all rows returned by the given query.
+     * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllRow()).
+     * Optional arguments are given *before* the query.
+     */
+    public static function fetchAllRow()
+    {
+        list($args, $query) = self::findQuery(func_get_args(), array(false, false));
+        return self::queryv($query)->fetchAllRow($args[0], $args[1]);
+    }
+
+    /** Fetch all rows returned by the given query.
+     * This functions can take 2 optional arguments (cf XOrgDBResult::fetchAllAssoc()).
+     * Optional arguments are given *before* the query.
+     */
+    public static function fetchAllAssoc()
+    {
+        list($args, $query) = self::findQuery(func_get_args(), array(false, false));
+        return self::queryv($query)->fetchAllAssoc($args[0], $args[1]);
+    }
+
+    public static function fetchOneCell()
+    {
+        list($args, $query) = self::findQuery(func_get_args());
+        return self::queryv($query)->fetchOneCell();
+    }
+
+    public static function fetchOneRow()
+    {
+        list($args, $query) = self::findQuery(func_get_args());
+        return self::queryv($query)->fetchOneRow();
+    }
+
+    public static function fetchOneAssoc()
+    {
+        list($args, $query) = self::findQuery(func_get_args());
+        return self::queryv($query)->fetchOneAssoc();
+    }
+
+    /** Fetch a column from the result of the given query.
+     * This functions can take 1 optional arguments (cf XOrgDBResult::fetchColumn()).
+     * Optional arguments are given *before* the query.
+     */
+    public static function fetchColumn()
+    {
+        list($args, $query) = self::findQuery(func_get_args(), array(0));
+        return self::queryv($query)->fetchColumn();
     }
 
     public static function insertId()
     {
-        return XDB::$mysqli->insert_id;
+        return self::$mysqli->insert_id;
     }
 
     public static function errno()
     {
-        return XDB::$mysqli->errno;
+        return self::$mysqli->errno;
     }
 
     public static function error()
     {
-        return XDB::$mysqli->error;
+        return self::$mysqli->error;
     }
 
     public static function affectedRows()
     {
-        return XDB::$mysqli->affected_rows;
+        return self::$mysqli->affected_rows;
     }
 
     public static function escape($var)
@@ -168,9 +319,12 @@ class XDB
           case 'object':
             if ($var instanceof PlFlagSet) {
                 return "'" . addslashes($var->flags()) . "'";
+            } else {
+                return "'".addslashes(serialize($var))."'";
             }
+
           case 'array':
-            return "'".addslashes(serialize($var))."'";
+            return '(' . implode(', ', array_map(array('XDB', 'escape'), $var)) . ')';
 
           default:
             die(var_export($var, true).' is not a valid for a database entry');
@@ -206,26 +360,50 @@ class XOrgDBResult
         return $this->_res ? $this->_res->fetch_assoc() : null;
     }
 
-    public function fetchAllRow()
+    public function fetchAllRow($id = false, $keep_array = false)
     {
         $result = Array();
         if (!$this->_res) {
             return $result;
         }
-        while ($result[] = $this->_res->fetch_row());
-        array_pop($result);
+        while (($data = $this->_res->fetch_row())) {
+            if ($id !== false) {
+                $key = $data[$id];
+                unset($data[$id]);
+                if (!$keep_array && count($data) == 1) {
+                    reset($data);
+                    $result[$key] = current($data);
+                } else {
+                    $result[$key] = $data;
+                }
+            } else {
+                $result[] = $data;
+            }
+        }
         $this->free();
         return $result;
     }
 
-    public function fetchAllAssoc()
+    public function fetchAllAssoc($id = false, $keep_array = false)
     {
         $result = Array();
         if (!$this->_res) {
             return $result;
         }
-        while ($result[] = $this->_res->fetch_assoc());
-        array_pop($result);
+        while (($data = $this->_res->fetch_assoc())) {
+            if ($id !== false) {
+                $key = $data[$id];
+                unset($data[$id]);
+                if (!$keep_array && count($data) == 1) {
+                    reset($data);
+                    $result[$key] = current($data);
+                } else {
+                    $result[$key] = $data;
+                }
+            } else {
+                $result[] = $data;
+            }
+        }
         $this->free();
         return $result;
     }