Point-of-sale method, terminal, and computer-readable medium

A method for generating real-time content based on a real-time event and stored data for a point-of-sale system, the method comprising:

• generating, by a processor, real-time event information at a point-of-sale (POS) terminal of a commercial venue, real-time event information including customer information and purchase information;
• generating, by the processor, nutritional information based on the purchase information at a receipt synthesizer of the venue;
• sending, by the processor, the customer information, the purchase information, and venue information identifying a location of the POS terminal from a query client of the foodservice establishment to a query server of a real-time content server system;
• intercepting at the parser engine the print file during the transmission from the POS system to the POS printer, and parsing the print file to retrieve a customer ID and purchase information;
• passing the purchase information from the parser engine to the receipt synthesizer;
• calling from the query client a loyalty program server with a Customer ID to obtain any customer information available;
• calling from the query client the query server with following information:
• location and POS information, purchase information, and customer information;
• requesting at the query server authorization from the transaction server based on the venue information, the purchase information and the customer information;
• requesting at the transaction server that a contract server determine a contract information for the venue from a contract database and transmit the contract information to the query server;
• obtaining at the query server a content selection criteria from a business logic engine based on the retail location information, the purchase information and the customer information;
• obtaining at the query server a real-time content from the content server based on the content selection criteria and the contract information;
• receiving the real-time content from the query server of the real-time content server system;
• and
• printing at a POS printer of the venue a receipt including the transaction information, the real-time content and the nutritional information;
• wherein information, parameters and content are cached on the POS terminal to reduce the number of transactions between the POS terminal and the transaction server.