<?php
-
+/**********************************************************************
+ Copyright (C) FrontAccounting, LLC.
+ Released under the terms of the GNU General Public License, GPL,
+ 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 License here <http://www.gnu.org/licenses/gpl-3.0.html>.
+***********************************************************************/
//--------------------------------------------------------------------------------------------------
function get_reference($type, $id)
{
- $sql = "SELECT * FROM ".TB_PREF."refs WHERE type=$type AND id=$id";
+ $sql = "SELECT * FROM ".TB_PREF."refs WHERE type=".db_escape($type)." AND id=".db_escape($id);
- return db_query($sql, "could not query reference table");
+ $result = db_query($sql, "could not query reference table");
+ $row = db_fetch($result);
+ return $row['reference'];
}
//--------------------------------------------------------------------------------------------------
-
-function add_reference($type, $id, $reference)
+
+function update_reference($type, $id, $reference)
{
- $sql = "INSERT INTO ".TB_PREF."refs (type, id, reference)
- VALUES ($type, $id, " . db_quote(trim($reference)) . ")";
-
- db_query($sql, "could not add reference entry");
+ $sql = "REPLACE ".TB_PREF."refs SET reference=".db_escape($reference)
+ .", type=".db_escape($type).", id=".db_escape($id);
+ db_query($sql, "could not update reference entry");
}
//--------------------------------------------------------------------------------------------------
function delete_reference($type, $id)
{
- $sql = "DELETE FROM ".TB_PREF."refs WHERE type=$type AND id=$id";
+ $sql = "DELETE FROM ".TB_PREF."refs WHERE type=".db_escape($type)." AND id=".db_escape($id);
return db_query($sql, "could not delete from reference table");
}
function find_reference($type, $reference)
{
- $sql = "SELECT id FROM ".TB_PREF."refs WHERE type=$type AND reference='$reference'";
+ // ignore refs references for voided transactions
+ $sql = "SELECT r.id FROM ".TB_PREF."refs r LEFT JOIN ".TB_PREF."voided v ON"
+ ." r.type=v.type AND r.id=v.id"
+ ." WHERE r.type=".db_escape($type)
+ ." AND reference=".db_escape($reference)
+ ." AND ISNULL(`memo_`)";
$result = db_query($sql, "could not query reference table");
function save_next_reference($type, $reference)
{
- $sql = "UPDATE ".TB_PREF."sys_types SET next_reference=" . db_quote(trim($reference)) . " WHERE type_id = $type";
+ $sql = "UPDATE ".TB_PREF."sys_types SET next_reference=" . db_escape(trim($reference))
+ . " WHERE type_id = ".db_escape($type);
db_query($sql, "The next transaction ref for $type could not be updated");
}
function get_next_reference($type)
{
- $sql = "SELECT next_reference FROM ".TB_PREF."sys_types WHERE type_id = $type";
+ $sql = "SELECT next_reference FROM ".TB_PREF."sys_types WHERE type_id = ".db_escape($type);
$result = db_query($sql,"The last transaction ref for $type could not be retreived");
return $row[0];
}
-?>
\ No newline at end of file
+//----------------------------------------------------------------------------
+//
+// Check if reference was not used so far (for other transaction than $trans_no)
+//
+function is_new_reference($ref, $type, $trans_no=0)
+{
+ $db_info = get_systype_db_info($type);
+ $db_name = $db_info[0];
+ $db_type = $db_info[1];
+ $db_trans = $db_info[2];
+ $db_ref = $db_info[3];
+
+ $ref = db_escape(trim($ref));
+ $type = db_escape($type);
+
+ if ($db_ref == null) { // journal or bank trans store references in refs table
+ $db_name = TB_PREF."refs";
+ $db_type = 'type';
+ $db_trans = 'id';
+ $db_ref = 'reference';
+ }
+
+ if ($db_type != null) {
+ $sql = "SELECT $db_ref FROM $db_name tbl
+ LEFT JOIN ".TB_PREF."voided v ON
+ tbl.$db_type=v.type AND tbl.$db_trans=v.id
+ WHERE $db_ref=$ref AND ISNULL(v.id)
+ AND tbl.$db_type=$type";
+ } else {
+ $sql = "SELECT $db_ref ref FROM $db_name tbl
+ LEFT JOIN ".TB_PREF."voided v ON
+ v.type=$type AND tbl.$db_trans=v.id
+ WHERE $db_ref=$ref AND ISNULL(v.id)";
+ }
+ if ($trans_no)
+ $sql .= " AND tbl.`$db_trans` != ".db_escape($trans_no);
+
+ $result = db_query($sql, "could not test for unique reference");
+
+ return (db_num_rows($result) == 0);
+
+}
+
+