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updated receipt handling

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buzz-lightsnack-2007 2024-02-27 16:59:58 +08:00
parent bc51ba83fd
commit a3b83838b2
1 changed files with 82 additions and 1 deletions
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83
src/main/java/tech/iBeans/POSware/Lite/receipt.java
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@ -12,11 +12,66 @@ import tech.iBeans.POSware.Lite.data_test.*;
*/
public class receipt {
public static String content = "";
private static Dictionary<String, String> data = new Hashtable<>();
public static void init() {
content = "";
data.put("headers", "");
data.put("cart", "");
data.put("payment", "");
data.put("footer", "");
};
public static String create() {
/* This is different from an initialization or reset — this alsof adds the headers!
Returns: (String) the content
*/
init();
headers();
return(content);
};
private static String ready() {
/* Prepare for a new data entry.
Returns: (String) the updated receipt
*/
content = content.concat("\n\n");
return(content);
};
public static String refresh() {
/* Refresh the receipt's content.
Returns: (string) the updated conntent
*/
content = "";
if (data.get("headers") != null) {
content = content.concat(data.get("headers").toString());
ready();
};
if (data.get("cart") != null) {
content = content.concat(data.get("cart").toString());
ready();
};
if (data.get("payment") != null) {
content = content.concat(data.get("payment").toString());
ready();
};
if (data.get("footer") != null) {
content = content.concat(data.get("footer").toString());
ready();
};
return(content);
};
public static String headers() {
/* Generate the headers.
*/
@ -43,9 +98,35 @@ public class receipt {
};
content = content.concat(content_headers);
data.put("headers", content_headers);
refresh();
return(content_headers);
};
public static String action(String NAME, int QUANTITY, double PRICE, double TOTAL) {
/* Add an item to the cart.
Parameters:
(String) NAME: the name of the item
(int) QUANTITY: the quantity of the items in the cart
(double) PRICE: the unit price
(double) TOTAL: the total price
Returns: (String) the updated list of items in the cart
*/
if (data.get("cart").toString().isBlank()) {
data.put("cart", "Quantity\tItem\tPrice\tTotal");
};
data.put("cart", data.get("cart").toString().concat("\n"));
String item_current = String.join("\t", String.valueOf(QUANTITY), NAME, String.valueOf(PRICE), String.valueOf(TOTAL));
data.put("cart", data.get("cart").toString().concat(item_current));
// Refresh.
refresh();
// Return the updated receipt section preview.
return(data.get("cart").toString());
};
}