code 39 barcodes in c# Updating the Orders Admin Page in Visual C#.NET

Printing Code-39 in Visual C#.NET Updating the Orders Admin Page

Updating the Orders Admin Page
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The basic functionality of this page is to allow suppliers and administrators to view a list of orders that need attention and advance them in the pipeline manually. This is simply a case of calling the OrderProcess::Process method as described earlier. This page could be implemented in many ways. In fact, in some setups, it might be better to implement this as a standalone application, for example, if your suppliers are in-house and on the same network. Or, it might be better to combine this approach with Web Services. To simplify things in this section, you ll supply a single page for both administrators and suppliers. This might not be ideal in all situations because you might not want to expose all order details and audit information to external suppliers. However, for demonstration purposes, this reduces the amount of code you have to get through. You ll also tie in the security for this page with the administrator forms-based security used earlier in the book, assuming that people with permission to edit the site data will also have permission to administer orders. In a more advanced setup, you could modify this slightly, providing roles for different types of users and restricting the functionality available to users in different roles.
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We need to add a new data tier function to the hatshop database, orders_get_audit_trail, and update an existing function, orders_update_order, to take into account the new status codes. Using pgAdmin III, connect to the hatshop database, and use the query tool to execute this code, which creates the orders_update_order function in your hatshop database:
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CHAPTER 14 IIMPLEMENTING THE ORDER PIPELINE: PART II
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-- Update orders_update_order function CREATE OR REPLACE FUNCTION orders_update_order(INTEGER, INTEGER, VARCHAR(255), VARCHAR(50), VARCHAR(50)) RETURNS VOID LANGUAGE plpgsql AS $$ DECLARE inOrderId ALIAS FOR $1; inStatus ALIAS FOR $2; inComments ALIAS FOR $3; inAuthCode ALIAS FOR $4; inReference ALIAS FOR $5; currentDateShipped TIMESTAMP; BEGIN SELECT INTO currentDateShipped shipped_on FROM orders WHERE order_id = inOrderId; UPDATE orders SET status = inStatus, comments = inComments, auth_code = inAuthCode, reference = inReference WHERE order_id = inOrderId; IF inStatus < 7 UPDATE orders ELSEIF inStatus UPDATE orders END IF; END; $$; AND SET > 6 SET currentDateShipped IS NOT NULL THEN shipped_on = NULL WHERE order_id = inOrderId; AND currentDateShipped IS NULL THEN shipped_on = NOW() WHERE order_id = inOrderId;
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Then, use the query tool to execute this code, which creates the orders_get_audit_trail function in your hatshop database: -- Create orders_get_audit_trail function CREATE FUNCTION orders_get_audit_trail(INTEGER) RETURNS SETOF audit LANGUAGE plpgsql AS $$ DECLARE inOrderId ALIAS FOR $1; outAuditRow audit; BEGIN FOR outAuditRow IN SELECT audit_id, order_id, created_on, message, message_number FROM audit WHERE order_id = inOrderId LOOP RETURN NEXT outAuditRow; END LOOP; END; $$;
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CHAPTER 14 IIMPLEMENTING THE ORDER PIPELINE: PART II
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You also have to add a new method to the Orders class from business/orders.php to cater to the new data tier function added in the previous section. Add the GetAuditTrail method to the Orders class in business/orders.php, as follows: // Gets the audit table entries associated with a specific order public static function GetAuditTrail($orderId) { // Build the SQL query $sql = 'SELECT * FROM orders_get_audit_trail(:order_id);'; // Build the parameters array $params = array (':order_id' => $orderId); // Prepare the statement with PDO-specific functionality $result = DatabaseHandler::Prepare($sql); // Execute the query and return the results return DatabaseHandler::GetAll($result, $params); }
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You need to update the admin_order_details componentized template, which shows the details of an order. Earlier in the book, this componentized template also included the capability to test the order process, but we re removing this here. Instead, you ll provide the capability for orders to be pushed along the pipeline when they are stuck at the Awaiting confirmation of stock and Awaiting confirmation of shipment stages. Now, you can also display all the audit information for the order in another new table. Let s look at what you re going to achieve, as shown in Figure 14-7. You can split the orders admin page into three sections: In the first section, we ll change the Process button to a confirmation button for suppliers. In the second section, a table is filled with the items data from the order. In the third section, a table shows the audit trail for the order.
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