checkout ok

Item.txt

@@ -3,4 +3,12 @@
 
 
 
-4;vino rosso;50;8.6;null;null;beverage
+
+2;cipolla;50;0.4;null;null;vegetables
+3;penna;100;0.5;null;null;diary
+
+1;tofu;18;3.2;null;null;bio
+
+4;vino rosso;46;8.6;null;null;beverage
+
+5;mayo veg;73;3.2;null;null;sauce

Shop.txt

@@ -1 +1,3 @@
 2022-01-15 22:29:56	11	simonetta cornacchia	74.7
+2022-01-16 13:20:51	11	simonetta cornacchia	58.2
+2022-01-16 13:30:09	1	penny briccoli	63.2

src/main/java/controller/InvoiceController.java

@@ -9,4 +9,6 @@ public interface InvoiceController {
 	boolean addToCart(String cartLine);
 
 	boolean newInvoice();
+
+	boolean checkout();
 }

src/main/java/controller/InvoiceControllerImpl.java

@@ -49,6 +49,24 @@ public boolean addToCart(String cartLine) {
 	public boolean newInvoice() {
 		return fileInvoice.emptyFile();
 	}
+
+	@Override
+	public boolean checkout() {
+		try {
+			Set<String> cartLines = fileInvoice.fileReader();
+			for(String line : cartLines) {
+				String[] data = line.split("\t");
+				String id = data[0];
+				int qty = Integer.parseInt(data[2]);
+				itemController.recalculateQuantity(id, qty);
+			}
+			newInvoice();
+			return true;
+		} catch (NumberFormatException e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
 
 
 }

src/main/java/controller/ItemController.java

@@ -53,7 +53,7 @@ public interface ItemController {
 	 * @param nSold
 	 * @return the new quantity.
 	 */
-	int recalculateQuantity(String barcode, int nSold);
+	void recalculateQuantity(String barcode, int nSold);
 
 	/**
 	 * Show all the stock.

src/main/java/controller/ItemControllerImpl.java

@@ -113,9 +113,13 @@ public Set<Integer> fromOneToQuantity(Item item) {
 	}
 
 	@Override
-	public int recalculateQuantity(String barcode, int nSold) {
-		// TODO Auto-generated method stub
-		return 0;
+	public void recalculateQuantity(String barcode, int nSold) {
+		Item i = searchItem(barcode);
+		int oldQty = i.getQuantity();
+		int newQty = oldQty - nSold;
+
+		Item itemToUpdate = new ItemImpl(i.getBarcode(), i.getName(), newQty, i.getUnitPrice(), null, null, i.getCategory());
+		updateItem(itemToUpdate);
 	}
 
 	@Override

src/main/java/controller/ShopControllerImpl.java

@@ -31,15 +31,4 @@ public Set<String> showPayments() {
 		Set<String> payments = fileShop.fileReader();
 		return payments;
 	}
-
-//	@Override
-//	public Set<String> searchByUser(String target){
-//		return null;
-//	}
-//	
-//	
-//	@Override
-//	public Set<String> searchByDate(String target){
-//		return null;
-//	}
 }

src/main/java/model/file/FileItemImpl.java

@@ -90,7 +90,7 @@ public boolean deleteLine(String target) {
 		try {
 			File file = createFile();
 		    List<String> out = Files.lines(file.toPath())
-		        .filter(line -> !line.contains(target.toLowerCase()))
+		        .filter(line -> !line.split(";")[0].contains(target.toLowerCase()))
 		        .collect(Collectors.toList());
 
 			Files.write(file.toPath(), out, StandardOpenOption.WRITE, StandardOpenOption.TRUNCATE_EXISTING);

src/main/java/model/file/FileShopImpl.java

@@ -2,20 +2,36 @@
 
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
+import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.nio.file.Files;
+import java.nio.file.StandardOpenOption;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 import java.util.TreeSet;
+import java.util.stream.Collectors;
 
 public class FileShopImpl implements FileStrategy {
 
 	private static final String SHOP_FILE = "Shop.txt";
     private Set<String> list = new TreeSet<>();
 
+    private File createFile() {
+    	try {
+    	      File myObj = new File(SHOP_FILE);
+    	      myObj.createNewFile();
+    	      return myObj;
+    	    } catch (IOException e) {
+    	      e.printStackTrace();
+    	      return null;
+    	    }		
+	}
+
 	@Override
 	public Set<String> fileReader() {
 		try(BufferedReader reader = new BufferedReader(new FileReader(SHOP_FILE))) {
@@ -51,7 +67,9 @@ public String searchInFile(String target) {
 		try {        	       
 			Set<String> lines = fileReader();
 	        for(String line : lines) {
-	        	if(line.contains(target.toLowerCase())) {
+	        	String[] data = line.split("\t");
+	    		String barcode = data[0];
+	        	if(barcode.contains(target.toLowerCase())) {
 	        		return line;
 	        	}
 	        }
@@ -63,12 +81,19 @@ public String searchInFile(String target) {
 	}
 
 	@Override
-	/**
-	 * Disabled in shop payments.
-	 */
 	public boolean deleteLine(String target) {
-		// TODO Auto-generated method stub
-		return false;
+		try {
+			File file = createFile();
+		    List<String> out = Files.lines(file.toPath())
+		        .filter(line -> !line.split("\t")[0].contains(target.toLowerCase()))
+		        .collect(Collectors.toList());
+
+			Files.write(file.toPath(), out, StandardOpenOption.WRITE, StandardOpenOption.TRUNCATE_EXISTING);
+			return true;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return false;
+		}
 	}
 
 	@Override

src/main/java/model/file/FileUserImpl.java

@@ -88,7 +88,7 @@ public boolean deleteLine(String target) {
 		try {
 			File file = createFile();
 		    List<String> out = Files.lines(file.toPath())
-		        .filter(line -> !line.contains(target.toLowerCase()))
+		        .filter(line -> !line.split(";")[0].contains(target.toLowerCase()))
 		        .collect(Collectors.toList());
 
 			Files.write(file.toPath(), out, StandardOpenOption.WRITE, StandardOpenOption.TRUNCATE_EXISTING);

src/main/java/view/EditItemView.java

@@ -172,7 +172,7 @@ public void actionPerformed(ActionEvent e) {
 						String strP = textField_Price.getText();
 						price = (!strP.isEmpty()) ? Double.parseDouble(strP) : 0.0;
 
-						ItemImpl itemToAdd = new ItemImpl(barcode, name, quantity, price, null, null, category);
+						Item itemToAdd = new ItemImpl(barcode, name, quantity, price, null, null, category);
 						controller.updateItem(itemToAdd);
 
 						comboBox_ItemId.setSelectedIndex(0);

src/main/java/view/InvoiceView.java

@@ -225,9 +225,10 @@ public void actionPerformed(ActionEvent arg0) {
 				if(!strTot.isBlank()) {
 					Double tot = Double.parseDouble(strTot);
 					int userId = Integer.parseInt(String.valueOf(comboBox_CustomerId.getSelectedItem()));				
-					if(shopController.addPayment(userId, tot)) {
+					boolean payCheck = shopController.addPayment(userId, tot);
+					boolean opCheck = invoiceController.checkout();
+					if(payCheck && opCheck) {
 						JOptionPane.showMessageDialog(null, "Operation ended successfully!");
-						invoiceController.newInvoice();
 						comboBox_CustomerId.setSelectedIndex(0);
 						comboBox_Quantity.setSelectedIndex(0);
 						comboBox_ItemId.setSelectedIndex(0);