From d61d668b64c44fc046095b807834c4836a8c05c5 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 08 Apr 2015 02:57:21 -0400
Subject: [PATCH] Remove useless code

---
 program/lib/Roundcube/rcube_contacts.php |  358 +++++++++++++++++++++++++++++++++--------------------------
 1 files changed, 202 insertions(+), 156 deletions(-)

diff --git a/program/lib/Roundcube/rcube_contacts.php b/program/lib/Roundcube/rcube_contacts.php
index 6d01368..23e0b71 100644
--- a/program/lib/Roundcube/rcube_contacts.php
+++ b/program/lib/Roundcube/rcube_contacts.php
@@ -167,11 +167,9 @@
         }
 
         $sql_result = $this->db->query(
-            "SELECT * FROM ".$this->db->table_name($this->db_groups).
-            " WHERE del<>1".
-            " AND user_id=?".
-            $sql_filter.
-            " ORDER BY name",
+            "SELECT * FROM " . $this->db->table_name($this->db_groups, true)
+            . " WHERE `del` <> 1 AND `user_id` = ?" . $sql_filter
+            . " ORDER BY `name`",
             $this->user_id);
 
         while ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
@@ -192,10 +190,8 @@
     function get_group($group_id)
     {
         $sql_result = $this->db->query(
-            "SELECT * FROM ".$this->db->table_name($this->db_groups).
-            " WHERE del<>1".
-            " AND contactgroup_id=?".
-            " AND user_id=?",
+            "SELECT * FROM " . $this->db->table_name($this->db_groups, true)
+            . " WHERE `del` <> 1 AND `contactgroup_id` = ? AND `user_id` = ?",
             $group_id, $this->user_id);
 
         if ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
@@ -228,25 +224,25 @@
         $length = $subset != 0 ? abs($subset) : $this->page_size;
 
         if ($this->group_id)
-            $join = " LEFT JOIN ".$this->db->table_name($this->db_groupmembers)." AS m".
-                " ON (m.contact_id = c.".$this->primary_key.")";
+            $join = " LEFT JOIN " . $this->db->table_name($this->db_groupmembers, true) . " AS m".
+                " ON (m.`contact_id` = c.`".$this->primary_key."`)";
 
         $order_col = (in_array($this->sort_col, $this->table_cols) ? $this->sort_col : 'name');
-        $order_cols = array('c.'.$order_col);
+        $order_cols = array("c.`$order_col`");
         if ($order_col == 'firstname')
-            $order_cols[] = 'c.surname';
+            $order_cols[] = 'c.`surname`';
         else if ($order_col == 'surname')
-            $order_cols[] = 'c.firstname';
+            $order_cols[] = 'c.`firstname`';
         if ($order_col != 'name')
-            $order_cols[] = 'c.name';
-        $order_cols[] = 'c.email';
+            $order_cols[] = 'c.`name`';
+        $order_cols[] = 'c.`email`';
 
         $sql_result = $this->db->limitquery(
-            "SELECT * FROM ".$this->db->table_name($this->db_name)." AS c" .
+            "SELECT * FROM " . $this->db->table_name($this->db_name, true) . " AS c" .
             $join .
-            " WHERE c.del<>1" .
-                " AND c.user_id=?" .
-                ($this->group_id ? " AND m.contactgroup_id=?" : "").
+            " WHERE c.`del` <> 1" .
+                " AND c.`user_id` = ?" .
+                ($this->group_id ? " AND m.`contactgroup_id` = ?" : "").
                 ($this->filter ? " AND (".$this->filter.")" : "") .
             " ORDER BY ". $this->db->concat($order_cols) .
             " " . $this->sort_order,
@@ -264,7 +260,7 @@
             if ($read_vcard)
                 $sql_arr = $this->convert_db_data($sql_arr);
             else {
-                $sql_arr['email'] = explode(self::SEPARATOR, $sql_arr['email']);
+                $sql_arr['email'] = $sql_arr['email'] ? explode(self::SEPARATOR, $sql_arr['email']) : array();
                 $sql_arr['email'] = array_map('trim', $sql_arr['email']);
             }
 
@@ -306,51 +302,32 @@
      */
     function search($fields, $value, $mode=0, $select=true, $nocount=false, $required=array())
     {
-        if (!is_array($fields))
-            $fields = array($fields);
         if (!is_array($required) && !empty($required))
             $required = array($required);
 
-        $where = $and_where = array();
+        $where = $and_where = $post_search = array();
         $mode = intval($mode);
         $WS = ' ';
         $AS = self::SEPARATOR;
 
-        foreach ($fields as $idx => $col) {
-            // direct ID search
-            if ($col == 'ID' || $col == $this->primary_key) {
-                $ids     = !is_array($value) ? explode(self::SEPARATOR, $value) : $value;
-                $ids     = $this->db->array2list($ids, 'integer');
-                $where[] = 'c.' . $this->primary_key.' IN ('.$ids.')';
-                continue;
-            }
-            // fulltext search in all fields
-            else if ($col == '*') {
-                $words = array();
-                foreach (explode($WS, rcube_utils::normalize_string($value)) as $word) {
-                    switch ($mode) {
-                    case 1: // strict
-                        $words[] = '(' . $this->db->ilike('words', $word . '%')
-                            . ' OR ' . $this->db->ilike('words', '%' . $WS . $word . $WS . '%')
-                            . ' OR ' . $this->db->ilike('words', '%' . $WS . $word) . ')';
-                        break;
-                    case 2: // prefix
-                        $words[] = '(' . $this->db->ilike('words', $word . '%')
-                            . ' OR ' . $this->db->ilike('words', '%' . $WS . $word . '%') . ')';
-                        break;
-                    default: // partial
-                        $words[] = $this->db->ilike('words', '%' . $word . '%');
-                    }
-                }
-                $where[] = '(' . join(' AND ', $words) . ')';
-            }
-            else {
-                $val = is_array($value) ? $value[$idx] : $value;
+        // direct ID search
+        if ($fields == 'ID' || $fields == $this->primary_key) {
+            $ids     = !is_array($value) ? explode(self::SEPARATOR, $value) : $value;
+            $ids     = $this->db->array2list($ids, 'integer');
+            $where[] = 'c.' . $this->primary_key.' IN ('.$ids.')';
+        }
+        else if (is_array($value)) {
+            foreach ((array)$fields as $idx => $col) {
+                $val = $value[$idx];
+
+                if (!strlen($val))
+                    continue;
+
                 // table column
                 if (in_array($col, $this->table_cols)) {
                     switch ($mode) {
                     case 1: // strict
-                        $where[] = '(' . $this->db->quoteIdentifier($col) . ' = ' . $this->db->quote($val)
+                        $where[] = '(' . $this->db->quote_identifier($col) . ' = ' . $this->db->quote($val)
                             . ' OR ' . $this->db->ilike($col, $val . $AS . '%')
                             . ' OR ' . $this->db->ilike($col, '%' . $AS . $val . $AS . '%')
                             . ' OR ' . $this->db->ilike($col, '%' . $AS . $val) . ')';
@@ -366,36 +343,35 @@
                 // vCard field
                 else {
                     if (in_array($col, $this->fulltext_cols)) {
-                        foreach (rcube_utils::normalize_string($val, true) as $word) {
-                            switch ($mode) {
-                            case 1: // strict
-                                $words[] = '(' . $this->db->ilike('words', $word . $WS . '%')
-                                    . ' OR ' . $this->db->ilike('words', '%' . $AS . $word . $WS .'%')
-                                    . ' OR ' . $this->db->ilike('words', '%' . $AS . $word) . ')';
-                                break;
-                            case 2: // prefix
-                                $words[] = '(' . $this->db->ilike('words', $word . '%')
-                                    . ' OR ' . $this->db->ilike('words', $AS . $word . '%') . ')';
-                                break;
-                            default: // partial
-                                $words[] = $this->db->ilike('words', '%' . $word . '%');
-                            }
-                        }
-                        $where[] = '(' . join(' AND ', $words) . ')';
+                        $where[] = $this->fulltext_sql_where($val, $mode, 'words');
                     }
-                    if (is_array($value))
-                        $post_search[$col] = mb_strtolower($val);
+                    $post_search[$col] = mb_strtolower($val);
                 }
+            }
+        }
+        // fulltext search in all fields
+        else if ($fields == '*') {
+            $where[] = $this->fulltext_sql_where($value, $mode, 'words');
+        }
+        else {
+            // require each word in to be present in one of the fields
+            foreach (rcube_utils::tokenize_string($value, 1) as $word) {
+                $groups = array();
+                foreach ((array)$fields as $idx => $col) {
+                    $groups[] = $this->fulltext_sql_where($word, $mode, $col);
+                }
+                $where[] = '(' . join(' OR ', $groups) . ')';
             }
         }
 
         foreach (array_intersect($required, $this->table_cols) as $col) {
-            $and_where[] = $this->db->quoteIdentifier($col).' <> '.$this->db->quote('');
+            $and_where[] = $this->db->quote_identifier($col).' <> '.$this->db->quote('');
         }
+        $required = array_diff($required, $this->table_cols);
 
         if (!empty($where)) {
             // use AND operator for advanced searches
-            $where = join(is_array($value) ? ' AND ' : ' OR ', $where);
+            $where = join(" AND ", $where);
         }
 
         if (!empty($and_where))
@@ -403,7 +379,7 @@
 
         // Post-searching in vCard data fields
         // we will search in all records and then build a where clause for their IDs
-        if (!empty($post_search)) {
+        if (!empty($post_search) || !empty($required)) {
             $ids = array(0);
             // build key name regexp
             $regexp = '/^(' . implode(array_keys($post_search), '|') . ')(?:.*)$/';
@@ -412,7 +388,7 @@
                 $this->set_search_set($where);
 
             // count result pages
-            $cnt   = $this->count();
+            $cnt   = $this->count()->count;
             $pages = ceil($cnt / $this->page_size);
             $scnt  = count($post_search);
 
@@ -422,14 +398,33 @@
                 while ($row = $this->result->next()) {
                     $id    = $row[$this->primary_key];
                     $found = array();
-                    foreach (preg_grep($regexp, array_keys($row)) as $col) {
-                        $pos     = strpos($col, ':');
-                        $colname = $pos ? substr($col, 0, $pos) : $col;
-                        $search  = $post_search[$colname];
-                        foreach ((array)$row[$col] as $value) {
-                            if ($this->compare_search_value($colname, $value, $search, $mode)) {
-                                $found[$colname] = true;
-                                break 2;
+                    if (!empty($post_search)) {
+                        foreach (preg_grep($regexp, array_keys($row)) as $col) {
+                            $pos     = strpos($col, ':');
+                            $colname = $pos ? substr($col, 0, $pos) : $col;
+                            $search  = $post_search[$colname];
+                            foreach ((array)$row[$col] as $value) {
+                                if ($this->compare_search_value($colname, $value, $search, $mode)) {
+                                    $found[$colname] = true;
+                                    break 2;
+                                }
+                            }
+                        }
+                    }
+                    // check if required fields are present
+                    if (!empty($required)) {
+                        foreach ($required as $req) {
+                            $hit = false;
+                            foreach ($row as $c => $values) {
+                                if ($c === $req || strpos($c, $req.':') === 0) {
+                                    if ((is_string($row[$c]) && strlen($row[$c])) || !empty($row[$c])) {
+                                        $hit = true;
+                                        break;
+                                    }
+                                }
+                            }
+                            if (!$hit) {
+                                continue 2;
                             }
                         }
                     }
@@ -442,7 +437,7 @@
 
             // build WHERE clause
             $ids = $this->db->array2list($ids, 'integer');
-            $where = 'c.' . $this->primary_key.' IN ('.$ids.')';
+            $where = 'c.`' . $this->primary_key.'` IN ('.$ids.')';
             // reset counter
             unset($this->cache['count']);
 
@@ -464,6 +459,34 @@
         return $this->result;
     }
 
+    /**
+     * Helper method to compose SQL where statements for fulltext searching
+     */
+    private function fulltext_sql_where($value, $mode, $col = 'words', $bool = 'AND')
+    {
+        $WS = ' ';
+        $AS = $col == 'words' ? $WS : self::SEPARATOR;
+        $words = $col == 'words' ? rcube_utils::normalize_string($value, true) : array($value);
+
+        $where = array();
+        foreach ($words as $word) {
+            switch ($mode) {
+            case 1: // strict
+                $where[] = '(' . $this->db->ilike($col, $word . '%')
+                    . ' OR ' . $this->db->ilike($col, '%' . $WS . $word . $WS . '%')
+                    . ' OR ' . $this->db->ilike($col, '%' . $WS . $word) . ')';
+                break;
+            case 2: // prefix
+                $where[] = '(' . $this->db->ilike($col, $word . '%')
+                    . ' OR ' . $this->db->ilike($col, '%' . $AS . $word . '%') . ')';
+                break;
+            default: // partial
+                $where[] = $this->db->ilike($col, '%' . $word . '%');
+            }
+        }
+
+        return count($where) ? '(' . join(" $bool ", $where) . ')' : '';
+    }
 
     /**
      * Count number of available contacts in database
@@ -486,17 +509,17 @@
     private function _count()
     {
         if ($this->group_id)
-            $join = " LEFT JOIN ".$this->db->table_name($this->db_groupmembers)." AS m".
-                " ON (m.contact_id=c.".$this->primary_key.")";
+            $join = " LEFT JOIN " . $this->db->table_name($this->db_groupmembers, true) . " AS m".
+                " ON (m.`contact_id` = c.`".$this->primary_key."`)";
 
         // count contacts for this user
         $sql_result = $this->db->query(
-            "SELECT COUNT(c.contact_id) AS rows".
-            " FROM ".$this->db->table_name($this->db_name)." AS c".
+            "SELECT COUNT(c.`contact_id`) AS rows".
+            " FROM " . $this->db->table_name($this->db_name, true) . " AS c".
                 $join.
-            " WHERE c.del<>1".
-            " AND c.user_id=?".
-            ($this->group_id ? " AND m.contactgroup_id=?" : "").
+            " WHERE c.`del` <> 1".
+            " AND c.`user_id` = ?".
+            ($this->group_id ? " AND m.`contactgroup_id` = ?" : "").
             ($this->filter ? " AND (".$this->filter.")" : ""),
             $this->user_id,
             $this->group_id
@@ -534,10 +557,10 @@
             return $assoc ? $first : $this->result;
 
         $this->db->query(
-            "SELECT * FROM ".$this->db->table_name($this->db_name).
-            " WHERE contact_id=?".
-                " AND user_id=?".
-                " AND del<>1",
+            "SELECT * FROM " . $this->db->table_name($this->db_name, true).
+            " WHERE `contact_id` = ?".
+                " AND `user_id` = ?".
+                " AND `del` <> 1",
             $id,
             $this->user_id
         );
@@ -566,9 +589,11 @@
           return $results;
 
       $sql_result = $this->db->query(
-        "SELECT cgm.contactgroup_id, cg.name FROM " . $this->db->table_name($this->db_groupmembers) . " AS cgm" .
-        " LEFT JOIN " . $this->db->table_name($this->db_groups) . " AS cg ON (cgm.contactgroup_id = cg.contactgroup_id AND cg.del<>1)" .
-        " WHERE cgm.contact_id=?",
+        "SELECT cgm.`contactgroup_id`, cg.`name` "
+        . " FROM " . $this->db->table_name($this->db_groupmembers, true) . " AS cgm"
+        . " LEFT JOIN " . $this->db->table_name($this->db_groups, true) . " AS cg"
+            . " ON (cgm.`contactgroup_id` = cg.`contactgroup_id` AND cg.`del` <> 1)"
+        . " WHERE cgm.`contact_id` = ?",
         $id
       );
       while ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
@@ -592,8 +617,8 @@
         // validate e-mail addresses
         $valid = parent::validate($save_data, $autofix);
 
-        // require at least one e-mail address (syntax check is already done)
-        if ($valid && !array_filter($this->get_col_values('email', $save_data, true))) {
+        // require at least one email address or a name
+        if ($valid && !strlen($save_data['firstname'].$save_data['surname'].$save_data['name']) && !array_filter($this->get_col_values('email', $save_data, true))) {
             $this->set_error(self::ERROR_VALIDATE, 'noemailwarning');
             $valid = false;
         }
@@ -626,18 +651,18 @@
             }
         }
 
-        $save_data = $this->convert_save_data($save_data);
+        $save_data     = $this->convert_save_data($save_data);
         $a_insert_cols = $a_insert_values = array();
 
         foreach ($save_data as $col => $value) {
-            $a_insert_cols[]   = $this->db->quoteIdentifier($col);
+            $a_insert_cols[]   = $this->db->quote_identifier($col);
             $a_insert_values[] = $this->db->quote($value);
         }
 
         if (!$existing->count && !empty($a_insert_cols)) {
             $this->db->query(
-                "INSERT INTO ".$this->db->table_name($this->db_name).
-                " (user_id, changed, del, ".join(', ', $a_insert_cols).")".
+                "INSERT INTO " . $this->db->table_name($this->db_name, true).
+                " (`user_id`, `changed`, `del`, ".join(', ', $a_insert_cols).")".
                 " VALUES (".intval($this->user_id).", ".$this->db->now().", 0, ".join(', ', $a_insert_values).")"
             );
 
@@ -655,26 +680,27 @@
      *
      * @param mixed Record identifier
      * @param array Assoziative array with save data
+     *
      * @return boolean True on success, False on error
      */
     function update($id, $save_cols)
     {
-        $updated = false;
+        $updated   = false;
         $write_sql = array();
-        $record = $this->get_record($id, true);
+        $record    = $this->get_record($id, true);
         $save_cols = $this->convert_save_data($save_cols, $record);
 
         foreach ($save_cols as $col => $value) {
-            $write_sql[] = sprintf("%s=%s", $this->db->quoteIdentifier($col), $this->db->quote($value));
+            $write_sql[] = sprintf("%s=%s", $this->db->quote_identifier($col), $this->db->quote($value));
         }
 
         if (!empty($write_sql)) {
             $this->db->query(
-                "UPDATE ".$this->db->table_name($this->db_name).
-                " SET changed=".$this->db->now().", ".join(', ', $write_sql).
-                " WHERE contact_id=?".
-                    " AND user_id=?".
-                    " AND del<>1",
+                "UPDATE " . $this->db->table_name($this->db_name, true).
+                " SET `changed` = ".$this->db->now().", ".join(', ', $write_sql).
+                " WHERE `contact_id` = ?".
+                    " AND `user_id` = ?".
+                    " AND `del` <> 1",
                 $id,
                 $this->user_id
             );
@@ -683,7 +709,7 @@
             $this->result = null;  // clear current result (from get_record())
         }
 
-        return $updated;
+        return $updated ? true : false;
     }
 
 
@@ -715,6 +741,11 @@
         // copy values into vcard object
         $vcard = new rcube_vcard($record['vcard'] ? $record['vcard'] : $save_data['vcard'], RCUBE_CHARSET, false, $this->vcard_fieldmap);
         $vcard->reset();
+
+        // don't store groups in vCard (#1490277)
+        $vcard->set('groups', null);
+        unset($save_data['groups']);
+
         foreach ($save_data as $key => $values) {
             list($field, $section) = explode(':', $key);
             $fulltext = in_array($field, $this->fulltext_cols);
@@ -770,10 +801,10 @@
 
         // flag record as deleted (always)
         $this->db->query(
-            "UPDATE ".$this->db->table_name($this->db_name).
-            " SET del=1, changed=".$this->db->now().
-            " WHERE user_id=?".
-                " AND contact_id IN ($ids)",
+            "UPDATE " . $this->db->table_name($this->db_name, true).
+            " SET `del` = 1, `changed` = ".$this->db->now().
+            " WHERE `user_id` = ?".
+                " AND `contact_id` IN ($ids)",
             $this->user_id
         );
 
@@ -797,10 +828,10 @@
 
         // clear deleted flag
         $this->db->query(
-            "UPDATE ".$this->db->table_name($this->db_name).
-            " SET del=0, changed=".$this->db->now().
-            " WHERE user_id=?".
-                " AND contact_id IN ($ids)",
+            "UPDATE " . $this->db->table_name($this->db_name, true).
+            " SET `del` = 0, `changed` = ".$this->db->now().
+            " WHERE `user_id` = ?".
+                " AND `contact_id` IN ($ids)",
             $this->user_id
         );
 
@@ -812,16 +843,32 @@
 
     /**
      * Remove all records from the database
+     *
+     * @param bool $with_groups Remove also groups
+     *
+     * @return int Number of removed records
      */
-    function delete_all()
+    function delete_all($with_groups = false)
     {
         $this->cache = null;
 
-        $this->db->query("UPDATE ".$this->db->table_name($this->db_name).
-            " SET del=1, changed=".$this->db->now().
-            " WHERE user_id = ?", $this->user_id);
+        $now = $this->db->now();
 
-        return $this->db->affected_rows();
+        $this->db->query("UPDATE " . $this->db->table_name($this->db_name, true)
+            . " SET `del` = 1, `changed` = $now"
+            . " WHERE `user_id` = ?", $this->user_id);
+
+        $count = $this->db->affected_rows();
+
+        if ($with_groups) {
+            $this->db->query("UPDATE " . $this->db->table_name($this->db_groups, true)
+                . " SET `del` = 1, `changed` = $now"
+                . " WHERE `user_id` = ?", $this->user_id);
+
+            $count += $this->db->affected_rows();
+        }
+
+        return $count;
     }
 
 
@@ -839,13 +886,14 @@
         $name = $this->unique_groupname($name);
 
         $this->db->query(
-            "INSERT INTO ".$this->db->table_name($this->db_groups).
-            " (user_id, changed, name)".
+            "INSERT INTO " . $this->db->table_name($this->db_groups, true).
+            " (`user_id`, `changed`, `name`)".
             " VALUES (".intval($this->user_id).", ".$this->db->now().", ".$this->db->quote($name).")"
         );
 
-        if ($insert_id = $this->db->insert_id($this->db_groups))
+        if ($insert_id = $this->db->insert_id($this->db_groups)) {
             $result = array('id' => $insert_id, 'name' => $name);
+        }
 
         return $result;
     }
@@ -860,11 +908,11 @@
     function delete_group($gid)
     {
         // flag group record as deleted
-        $sql_result = $this->db->query(
-            "UPDATE ".$this->db->table_name($this->db_groups).
-            " SET del=1, changed=".$this->db->now().
-            " WHERE contactgroup_id=?".
-            " AND user_id=?",
+        $this->db->query(
+            "UPDATE " . $this->db->table_name($this->db_groups, true)
+            . " SET `del` = 1, `changed` = " . $this->db->now()
+            . " WHERE `contactgroup_id` = ?"
+                . " AND `user_id` = ?",
             $gid, $this->user_id
         );
 
@@ -872,7 +920,6 @@
 
         return $this->db->affected_rows();
     }
-
 
     /**
      * Rename a specific contact group
@@ -887,14 +934,14 @@
         $name = $this->unique_groupname($newname);
 
         $sql_result = $this->db->query(
-            "UPDATE ".$this->db->table_name($this->db_groups).
-            " SET name=?, changed=".$this->db->now().
-            " WHERE contactgroup_id=?".
-            " AND user_id=?",
+            "UPDATE " . $this->db->table_name($this->db_groups, true).
+            " SET `name` = ?, `changed` = ".$this->db->now().
+            " WHERE `contactgroup_id` = ?".
+                " AND `user_id` = ?",
             $name, $gid, $this->user_id
         );
 
-        return $this->db->affected_rows() ? $name : false;
+        return $this->db->affected_rows($sql_result) ? $name : false;
     }
 
 
@@ -916,9 +963,9 @@
 
         // get existing assignments ...
         $sql_result = $this->db->query(
-            "SELECT contact_id FROM ".$this->db->table_name($this->db_groupmembers).
-            " WHERE contactgroup_id=?".
-                " AND contact_id IN (".$this->db->array2list($ids, 'integer').")",
+            "SELECT `contact_id` FROM " . $this->db->table_name($this->db_groupmembers, true).
+            " WHERE `contactgroup_id` = ?".
+                " AND `contact_id` IN (".$this->db->array2list($ids, 'integer').")",
             $group_id
         );
         while ($sql_result && ($sql_arr = $this->db->fetch_assoc($sql_result))) {
@@ -929,8 +976,8 @@
 
         foreach ($ids as $contact_id) {
             $this->db->query(
-                "INSERT INTO ".$this->db->table_name($this->db_groupmembers).
-                " (contactgroup_id, contact_id, created)".
+                "INSERT INTO " . $this->db->table_name($this->db_groupmembers, true).
+                " (`contactgroup_id`, `contact_id`, `created`)".
                 " VALUES (?, ?, ".$this->db->now().")",
                 $group_id,
                 $contact_id
@@ -962,13 +1009,13 @@
         $ids = $this->db->array2list($ids, 'integer');
 
         $sql_result = $this->db->query(
-            "DELETE FROM ".$this->db->table_name($this->db_groupmembers).
-            " WHERE contactgroup_id=?".
-                " AND contact_id IN ($ids)",
+            "DELETE FROM " . $this->db->table_name($this->db_groupmembers, true).
+            " WHERE `contactgroup_id` = ?".
+                " AND `contact_id` IN ($ids)",
             $group_id
         );
 
-        return $this->db->affected_rows();
+        return $this->db->affected_rows($sql_result);
     }
 
 
@@ -985,10 +1032,10 @@
 
         do {
             $sql_result = $this->db->query(
-                "SELECT 1 FROM ".$this->db->table_name($this->db_groups).
-                " WHERE del<>1".
-                    " AND user_id=?".
-                    " AND name=?",
+                "SELECT 1 FROM " . $this->db->table_name($this->db_groups, true).
+                " WHERE `del` <> 1".
+                    " AND `user_id` = ?".
+                    " AND `name` = ?",
                 $this->user_id,
                 $checkname);
 
@@ -1000,5 +1047,4 @@
 
         return $checkname;
     }
-
 }

--
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