Bug fix day not set if null order

src/main/java/seedu/cafectrl/command/BuyIngredientCommand.java

@@ -25,7 +25,7 @@ public class BuyIngredientCommand extends Command {
     private ArrayList<Ingredient> ingredients;
     private ArrayList<Ingredient> ingredientsToBePrinted = new ArrayList<>();
     private String ingredientString = ""; // Used to store the message about the bought ingredients
-    private int FIRST_INDEX = 0;
+    private int finalIndex = 0;
 
     /**
      * Constructs a BuyIngredientCommand with the specified ingredients, user interface, and pantry.
@@ -67,7 +67,7 @@ private void addIngredient() {
             ingredients.set(i, ingredient);
         }
 
-        for (int i = ingredients.size() - ui.OFFSET_LIST_INDEX; i >= FIRST_INDEX; i--) {
+        for (int i = ingredients.size() - ui.OFFSET_LIST_INDEX; i >= finalIndex; i--) {
             Ingredient ingredient = ingredients.get(i);
             buildBuyIngredientMessage(ingredient);
         }

src/main/java/seedu/cafectrl/data/Sales.java

@@ -10,8 +10,8 @@
  */
 public class Sales {
     private static ArrayList<OrderList> orderLists;
+    private static final int DAY_DISPLAY_OFFSET = 1;
     private int daysAccounted;
-    private final int DAY_DISPLAY_OFFSET = 1;
 
     public Sales() {
         this.orderLists = new ArrayList<>();
@@ -21,7 +21,7 @@ public Sales() {
 
     public Sales(ArrayList<OrderList> orderLists) {
         this.orderLists = orderLists;
-        this.daysAccounted = 0;
+        this.daysAccounted = orderLists.size() - 1;
     }
 
     //TODO: @Zhong Heng, Remove this method if not used
@@ -63,12 +63,12 @@ public void printSales(Ui ui, Menu menu) {
             ui.showToUser("No sales made.");
             return;
         }
-        ui.showSalesBottom();
+        //ui.showSalesBottom();
         for (int day = 0; day < orderLists.size(); day++) {
             OrderList orderList = orderLists.get(day);
 
             if (orderList.isEmpty() || !orderList.hasCompletedOrders()) {
-                ui.showToUser("No sales for day " + (day + DAY_DISPLAY_OFFSET) + ".");
+                ui.showToUser("", "No sales for day " + (day + DAY_DISPLAY_OFFSET) + ".", "");
                 continue;
             }
 

src/main/java/seedu/cafectrl/storage/Decoder.java

@@ -9,6 +9,7 @@
 import seedu.cafectrl.data.dish.Dish;
 import seedu.cafectrl.data.dish.Ingredient;
 import seedu.cafectrl.ui.ErrorMessages;
+import seedu.cafectrl.ui.Messages;
 import seedu.cafectrl.ui.Ui;
 
 import java.util.ArrayList;
@@ -115,32 +116,59 @@ private static boolean isValidPantryStockFormat(String[] decodedPantryStock) {
      * @return Sales object containing OrderList objects decoded from the provided strings.
      */
     public static Sales decodeSales(ArrayList<String> textLines, Menu menu) {
+        boolean salesOrderTextTamperDetectionMessagePrinted = false;
         ArrayList<OrderList> orderLists = new ArrayList<>();
         if(textLines.isEmpty()) {
             return new Sales();
         }
         //for each 'order' in text file
         for (String line : textLines) {
-            String[] orderData = line.split(DIVIDER);
-            int day = Integer.parseInt(orderData[0].trim()) - 1;
-            String dishName = orderData[1].trim();
-            int quantity = Integer.parseInt(orderData[2].trim());
-            float totalOrderCost = Float.parseFloat(orderData[3].trim());
-            boolean isComplete = "true".equals(orderData[4].trim());
-            Dish dish = menu.getDishFromName(dishName);
-            if(dish == null) {
-                ui.showDecodedInvalidDish(dishName);
-            } else {
+            try {
+                String[] orderData = line.split(DIVIDER);
+                int day = Integer.parseInt(orderData[0].trim()) - 1;
+                String dishName = orderData[1].trim();
+                if (dishName.equals(Encoder.NULL_ORDER_DAY)) {
+                    orderLists = fillOrderListSize(orderLists, day);
+                    continue;
+                }
+                int quantity = Integer.parseInt(orderData[2].trim());
+                float totalOrderCost = Float.parseFloat(orderData[3].trim());
+                boolean isComplete = "true".equals(orderData[4].trim());
+                Dish dish = menu.getDishFromName(dishName);
+                if (dish == null) {
+                    ui.showDecodedInvalidDish(dishName);
+                    continue;
+                }
                 Order orderedDish = new Order(menu.getDishFromName(dishName), quantity, totalOrderCost, isComplete);
                 //increase size of orderLists if needed
                 //this can be used in the event that the text file's first order is not day 0
-                while (orderLists.size() <= day) {
-                    orderLists.add(new OrderList());
-                }
-
+                orderLists = fillOrderListSize(orderLists, day);
                 orderLists.get(day).addOrder(orderedDish);
+            } catch (IndexOutOfBoundsException e) {
+                ui.showToUser(Messages.SALES_LAST_DAY_TEXT_TAMPERED, System.lineSeparator());
+            } catch (NumberFormatException e) {
+                if (!salesOrderTextTamperDetectionMessagePrinted) {
+                    ui.showToUser(Messages.SALES_ORDER_TEXT_TAMPERED, System.lineSeparator());
+                    salesOrderTextTamperDetectionMessagePrinted = true;
+                }
             }
         }
         return new Sales(orderLists);
     }
+
+    //@@author Cazh1
+    /**
+     * Increases the size of the orderlist when there is gap between the previous order and the next
+     *
+     * @param orderLists The current partially filled ArrayList of OrderList
+     * @param day The day of the next order
+     * @return orderLists after filling in the gaps
+     */
+    private static ArrayList<OrderList> fillOrderListSize(ArrayList<OrderList> orderLists, int day) {
+        while (orderLists.size() <= day) {
+            orderLists.add(new OrderList());
+        }
+        return orderLists;
+    }
+
 }

src/main/java/seedu/cafectrl/storage/Encoder.java

@@ -17,6 +17,7 @@
  * making the data suitable for saving to a file.
  */
 public class Encoder {
+    public static final String NULL_ORDER_DAY = "the last day has no orders but please account for it";
     private static final String DIVIDER = " | ";
     //@@author ShaniceTang
     /**
@@ -105,6 +106,30 @@ public static ArrayList<String> encodeSales(Sales sales) {
                 orderString.append(System.lineSeparator());
                 encodedList.add(String.valueOf(orderString));
             }
+            if (day == sales.getDaysAccounted()) {
+                encodedList = encodeLastSalesDay(encodedList, orderList, day);
+            }
+        }
+        return encodedList;
+    }
+
+    //@@author Cazh1
+    /**
+     * Checks if the last day accessed has valid orders added
+     *
+     * @param encodedList An ArrayList of strings representing the encoded sales data.
+     * @param orderList An ArrayList of Orders of the last day accessed
+     * @param day The last day accessed
+     * @return encodedList with specific String added at the end if no valid orders were detected
+     */
+    private static ArrayList<String> encodeLastSalesDay(ArrayList<String> encodedList, OrderList orderList, int day) {
+        if (orderList.getSize() == 0) {
+            StringBuilder orderString = new StringBuilder();
+            //day of each orderList is index + 1
+            orderString.append((day + 1) + DIVIDER);
+            orderString.append(NULL_ORDER_DAY);
+            orderString.append(System.lineSeparator());
+            encodedList.add(String.valueOf(orderString));
         }
         return encodedList;
     }

src/main/java/seedu/cafectrl/ui/Messages.java

@@ -83,4 +83,13 @@ public class Messages {
             + "You might have tempered with the file and added in a non existing dish.\n"
             + "Don't worry :D , we will continue operations without ";
 
+    public static final String SALES_LAST_DAY_TEXT_TAMPERED = "Well, well, well! "
+            + "It seems someone's been playing digital detective and tampered with the last line in the text file.\n"
+            + "Unfortunately, any empty order lists after the latest valid order have been wiped from my memory banks."
+            + " Poof!" ;
+
+    public static final String SALES_ORDER_TEXT_TAMPERED = "Well, well, well! "
+            + "It seems someone's been playing digital detective and tampered with the orders in the text file.\n"
+            + "Unfortunately, any such orders have been wiped from my memory banks. Poof!" ;
+
 }

src/test/java/seedu/cafectrl/command/ListTotalSalesCommandCommandTest.java

@@ -81,7 +81,6 @@ public void execute_existingSales_listTotalSales() {
         System.setOut(originalOut);
 
         String expectedOutput = Messages.SHOW_SALES_END_CAP
-                + Messages.SHOW_SALES_END_CAP
                 + Messages.SHOW_SALES_DAY_PART_1
                 + "1"
                 + Messages.SHOW_SALES_DAY_PART_2

src/test/java/seedu/cafectrl/command/ViewTotalStockCommandTest.java

@@ -3,6 +3,7 @@
 import org.junit.jupiter.api.Test;
 import seedu.cafectrl.data.Pantry;
 import seedu.cafectrl.data.dish.Ingredient;
+import seedu.cafectrl.ui.Messages;
 import seedu.cafectrl.ui.Ui;
 
 import java.io.ByteArrayOutputStream;
@@ -32,16 +33,16 @@ void execute_printPantryStock() {
         String actualOutput = baos.toString().trim();
         System.setOut(originalOut);
 
-        String expectedOutput = "+-------------------------------------------------------+\n"
-                + "| You have the following ingredients in pantry:         |\n"
-                + "+----------------------------------------+--------------+\n"
-                + "| Ingredients                            |  Qty         |\n"
-                + "+----------------------------------------+--------------+\n"
+        String expectedOutput = Messages.MENU_END_CAP
+                + Messages.VIEW_STOCK_MESSAGE2
+                + Messages.MENU_CORNER
+                + Messages.VIEW_STOCK_TITLE_MESSAGE
+                + Messages.MENU_CORNER
                 + "| chicken                                | 500g         |\n"
                 + "| rice                                   | 1000g        |\n"
-                + "+-------------------------------------------------------+\n";
+                + Messages.MENU_END_CAP;
 
-        assertEquals(expectedOutput.trim().replaceAll("\\s+", " "),
-                actualOutput.trim().replaceAll("\\s+", " "));
+        assertEquals(expectedOutput.trim().replaceAll("\\s+", ""),
+                actualOutput.trim().replaceAll("\\s+", ""));
     }
 }