+function get_stock_movements($stock_id, $StockLocation, $BeforeDate, $AfterDate)
+{
+ $before_date = date2sql($BeforeDate);
+ $after_date = date2sql($AfterDate);
+ $sql = "SELECT type, trans_no, tran_date, person_id, qty, reference";
+
+ if(!$StockLocation) {
+ $sql .= ", loc_code";
+ }
+ $sql.= " FROM ".TB_PREF."stock_moves
+ WHERE";
+
+ if ($StockLocation) {
+ $sql.= " loc_code=".db_escape($StockLocation)." AND";
+ }
+
+ $sql.= " tran_date >= '". $after_date . "'
+ AND tran_date <= '" . $before_date . "'
+ AND stock_id = ".db_escape($stock_id) . " ORDER BY tran_date,trans_id";
+
+ return db_query($sql, "could not query stock moves");
+}
+
+function get_stock_movements_before($stock_id, $StockLocation, $AfterDate)
+{
+ $after_date = date2sql($AfterDate);
+ $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves WHERE stock_id=".db_escape($stock_id);
+ if ($StockLocation)
+ $sql .= " AND loc_code=".db_escape( $StockLocation);
+ $sql .= " AND tran_date < '" . $after_date . "'";
+ $before_qty = db_query($sql, "The starting quantity on hand could not be calculated");
+
+ $before_qty_row = db_fetch_row($before_qty);
+ return $before_qty_row[0];
+}
+
+function movement_types_in_stock_moves($selected_id)
+{
+ $sql= "SELECT COUNT(*) FROM ".TB_PREF."stock_moves
+ WHERE type=" . ST_INVADJUST. " AND person_id=".db_escape($selected_id);
+
+ $result = db_query($sql, "could not query stock moves");
+ $myrow = db_fetch_row($result);
+ return ($myrow[0] > 0);
+}
+?>