+function get_already_delivered($stock_id, $location, $trans_no)
+{
+ $sql = "SELECT ".TB_PREF."stock_moves.qty
+ FROM ".TB_PREF."stock_moves
+ WHERE ".TB_PREF."stock_moves.stock_id = ".db_escape($stock_id)."
+ AND ".TB_PREF."stock_moves.loc_code = ".db_escape($location)."
+ AND type=".ST_CUSTDELIVERY." AND trans_no=".db_escape($trans_no);
+ $result = db_query($sql, "Could not get stock moves");
+ $row = db_fetch_row($result);
+ return $row[0];
+}
+
+function last_negative_stock_trans_id($stock_id, $to)
+{
+ $sql = "SELECT * from ".TB_PREF."stock_moves
+ WHERE stock_id=".db_escape($stock_id)."
+ AND qty <> 0 order by trans_id asc";
+
+ $result = db_query($sql, "The query on stock moves failed.");
+
+ $qty = 0;
+ $flag = 0;
+ $negative_trans_id = -1;
+
+ while ($myrow = db_fetch($result))
+ {
+ $qty += $myrow['qty'];
+ if ($qty < 0 && $flag == 0)
+ {
+ $flag = 1;
+ $negative_trans_id = $myrow['trans_id'];
+ }
+ if ($qty >= 0)
+ $flag = 0;
+ }
+
+ if ($flag == 1)
+ return $negative_trans_id;
+ else
+ return false;
+}
+
+//-------------------------------------------------------------------
+
+function get_deliveries_between($stock_id, $from, $to)
+{
+ $from = date2sql($from);
+ $to = date2sql($to);
+ $sql = "SELECT SUM(-qty), SUM(-qty*standard_cost) FROM ".TB_PREF."stock_moves
+ WHERE type=".ST_CUSTDELIVERY." AND stock_id=".db_escape($stock_id)." AND
+ tran_date>='$from' AND tran_date<='$to' GROUP BY stock_id";
+
+ $result = db_query($sql, "The deliveries could not be updated");
+ return db_fetch_row($result);
+}
+
+function get_deliveries_from_trans($stock_id, $from)
+{
+ // -ve qty is delivery either by ST_CUSTDELIVERY or inventory adjustment
+ //Price for GRN and SUPPCREDIT and std_cost for other trans_types
+ $sql = "SELECT SUM(-qty), SUM(-qty*IF(type=".ST_SUPPRECEIVE." OR type=".ST_SUPPCREDIT.", price, standard_cost))
+ FROM ".TB_PREF."stock_moves
+ WHERE stock_id=".db_escape($stock_id)." AND qty < 0 AND
+ trans_id>='$from' GROUP BY stock_id";
+ $result = db_query($sql, "The deliveries could not be updated");
+ $row = db_fetch_row($result);
+
+ $sql = "SELECT IF(type=".ST_SUPPRECEIVE." OR type=".ST_SUPPCREDIT.", price, standard_cost)
+ FROM ".TB_PREF."stock_moves
+ WHERE stock_id=".db_escape($stock_id)
+ ." AND trans_id ='$from'";
+ $result = db_query($sql, "The deliveries could not be updated");
+ $cost = db_fetch_row($result);
+
+ // Adjusting QOH valuation
+ $sql = "SELECT SUM(qty) FROM ".TB_PREF."stock_moves
+ WHERE stock_id=".db_escape($stock_id)." AND
+ trans_id<'$from' GROUP BY stock_id";
+ $result = db_query($sql, "The deliveries could not be updated");
+ $qoh = db_fetch_row($result);
+
+ $qty = $row[0] - $qoh[0]; //QOH prior to -ve stock is subtracted
+ $final_cost = $row[1] - $qoh[0]*$cost[0];
+
+ return array($qty,$final_cost);
+}
+
+function get_purchases_from_trans($stock_id, $from)
+{
+ // Calculate All inward stock moves i.e. qty > 0
+ $sql = "SELECT SUM(qty), SUM(qty*standard_cost) FROM ".TB_PREF."stock_moves
+ WHERE stock_id=".db_escape($stock_id)." AND qty > 0 AND
+ trans_id>'$from' GROUP BY stock_id";
+ $result = db_query($sql, "Could not get get_purchases_from_trans");
+ $row = db_fetch_row($result);
+
+ return $row;
+}
+
+//-------------------------------------------------------------------
+
+function adjust_deliveries($stock_id, $material_cost, $to)
+{
+ if (!is_inventory_item($stock_id))
+ return;
+
+ $from = last_negative_stock_trans_id($stock_id, $to);
+ if ($from == false || $from == -1)
+ return;
+
+ $row = get_deliveries_from_trans($stock_id, $from);
+
+ if ($row == false)
+ return;
+ $old_sales_cost = $row[1];
+ $new_sales_cost = $row[0] * $material_cost;
+ $sales_diff = $new_sales_cost - $old_sales_cost;
+
+ $row = get_purchases_from_trans($stock_id, $from);
+ $purchase_diff = 0;
+ $old_purchase_cost = 0;
+ if ($row != false)
+ {
+ $old_purchase_cost = $row[1];
+ $new_purchase_cost = $row[0] * $material_cost;
+ $purchase_diff = $new_purchase_cost - $old_purchase_cost;
+ }
+
+ $diff = $sales_diff - $purchase_diff;
+
+ if ($diff != 0)
+ {
+ $update_no = get_next_trans_no(ST_COSTUPDATE);
+ if (!is_date_in_fiscalyear($to))
+ $to = end_fiscalyear();
+
+ $stock_gl_code = get_stock_gl_code($stock_id);
+
+ $dec = user_price_dec();
+ $old_cost = -round2($old_sales_cost-$old_purchase_cost,$dec);
+ $new_cost = -round2($new_sales_cost-$new_purchase_cost,$dec);
+
+ $memo_ = sprintf(_("Cost was %s changed to %s x quantity on hand for item '%s'"),
+ number_format2($old_cost, 2), number_format2($new_cost, 2), $stock_id);
+ add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["cogs_account"],
+ $stock_gl_code["dimension_id"], $stock_gl_code["dimension2_id"], $memo_, $diff);
+
+ add_gl_trans_std_cost(ST_COSTUPDATE, $update_no, $to, $stock_gl_code["inventory_account"], 0, 0, $memo_,
+ -$diff);
+ add_audit_trail(ST_COSTUPDATE, $update_no, $to);
+ }
+}
+
+function get_stock_gl_code($stock_id)
+{
+ /*Gets the GL Codes relevant to the item account */
+ $sql = "SELECT mb_flag, inventory_account, cogs_account,