Fixed some naming issues

Author: limgl1998

src/main/java/duke/Command/Message.java

@@ -52,7 +52,7 @@ public static void printInvalidTaskNumber(int numberOfTasks) {
         System.out.println("    \u2639 OOPS!!! Please input a task number between 1 and " + numberOfTasks + ".");
     }
 
-    public static void printEmptyTasklist() {
+    public static void printEmptyTaskList() {
         System.out.println("    \u2639 OOPS!!! List is empty");
     }
 

src/main/java/duke/FileIO/FileIO.java

@@ -12,8 +12,11 @@
 import java.util.Scanner;
 
 public class FileIO {
+
+    public static final int INDEX_OF_TASK_TYPE = 1;
+
     public static void readFromFile() {
-        if (!doesFileExist()) {
+        if (doesFileNotExist()) {
             return;
         }
         File data = new File("data/data.txt");
@@ -27,7 +30,7 @@ public static void readFromFile() {
         }
     }
 
-    private static boolean doesFileExist() {
+    private static boolean doesFileNotExist() {
         File folder = new File("data");
         if (!folder.exists()) {
             System.out.println("\u2639 OOPS!!! Folder does not exist. Creating a folder named \"data\" in the same directory...");
@@ -36,7 +39,7 @@ private static boolean doesFileExist() {
                 System.out.println("Folder is created successfully.");
             } else {
                 System.out.println("Please create a folder named \"data\" in the same directory manually.");
-                return false;
+                return true;
             }
         }
         File data = new File("data/data.txt");
@@ -50,22 +53,22 @@ private static boolean doesFileExist() {
                     System.out.println("Please create a text file named \"data\" in the \"data\" folder manually.");
                 }
             } catch (IOException e) {
-                return false;
+                return true;
             }
         }
-        return true;
+        return false;
     }
 
     public static void writeToFile(TaskList taskList) {
-        if (!doesFileExist()) {
+        if (doesFileNotExist()) {
             return;
         }
         File data = new File("data/data.txt");
         try {
             FileWriter fw = new FileWriter(data.getAbsolutePath());
             ArrayList<Task> list = taskList.getList();
             for (int i = 0; i < taskList.getNumberOfTasks(); i++) {
-                String input = handleStatusAndDescription(list, i);
+                String input = formatListDataIntoStorageForm(list, i);
                 fw.write(input + "\n");
             }
             fw.close();
@@ -74,18 +77,18 @@ public static void writeToFile(TaskList taskList) {
         }
     }
 
-    private static String handleStatusAndDescription(ArrayList<Task> list, int index) {
+    private static String formatListDataIntoStorageForm(ArrayList<Task> list, int index) {
         String output;
         String input = list.get(index).getStatusAndDescription();
-        switch (input.strip().toCharArray()[1]) {
+        switch (input.strip().toCharArray()[INDEX_OF_TASK_TYPE]) {
         case ('T'):
             output = "todo " + list.get(index).getDescription();
             break;
         case ('D'):
-            output = "deadline " + list.get(index).getDescription() + "/by " + list.get(index).getAdditionalInfomation();
+            output = "deadline " + list.get(index).getDescription() + "/by " + list.get(index).getAdditionalInformation();
             break;
         case ('E'):
-            output = "event " + list.get(index).getDescription() + "/at " + list.get(index).getAdditionalInfomation();
+            output = "event " + list.get(index).getDescription() + "/at " + list.get(index).getAdditionalInformation();
             break;
         default:
             return null;

src/main/java/duke/Tasks/Deadline.java

@@ -1,7 +1,5 @@
 package duke.Tasks;
 
-import duke.Tasks.Task;
-
 public class Deadline extends Task {
     protected String by;
 
@@ -16,7 +14,7 @@ public String getStatusAndDescription() {
     }
 
     @Override
-    public String getAdditionalInfomation() {
+    public String getAdditionalInformation() {
         return by;
     }
 }

src/main/java/duke/Tasks/Event.java

@@ -1,7 +1,5 @@
 package duke.Tasks;
 
-import duke.Tasks.Task;
-
 public class Event extends Task {
     protected String at;
 
@@ -19,8 +17,7 @@ public String getStatusAndDescription() {
         return "[E]" + super.getStatusAndDescription() + "(at: " + at + ")";
     }
 
-    @Override
-    public String getAdditionalInfomation() {
+    public String getAdditionalInformation() {
         return at;
     }
 }

src/main/java/duke/Tasks/Task.java

@@ -29,7 +29,7 @@ public String getStatusAndDescription() {
         return getStatusIcon() + description;
     }
 
-    public String getAdditionalInfomation() {
+    public String getAdditionalInformation() {
         return null;
     }
 }

src/main/java/duke/Tasks/TaskList.java

@@ -23,7 +23,7 @@ public int getNumberOfTasks() {
 
     public void printTaskList() {
         if (list.isEmpty()) {
-            Message.printEmptyTasklist();
+            Message.printEmptyTaskList();
             return;
         }
         System.out.println("     Here are the tasks in your list:");
@@ -62,7 +62,7 @@ public void addTask(String description, boolean printMessage) {
             list.add(new ToDo(description));
             if (printMessage) {
                 Message.printGotIt();
-                printStatusDescriptionAndNumberOftasks();
+                printStatusDescriptionAndNumberOfTasks();
             }
         } catch (DukeException e) {
             Message.printEmptyTodoDescription();
@@ -86,7 +86,7 @@ public void addEvent(String description, boolean printMessage) {
         list.add(new Event(eventInformation[0], eventInformation[1].strip()));
         if (printMessage) {
             Message.printGotIt();
-            printStatusDescriptionAndNumberOftasks();
+            printStatusDescriptionAndNumberOfTasks();
         }
     }
 
@@ -107,12 +107,12 @@ public void addDeadline(String description, boolean printMessage) {
         list.add(new Deadline(deadlineInformation[0], deadlineInformation[1].strip()));
         if (printMessage) {
             Message.printGotIt();
-            printStatusDescriptionAndNumberOftasks();
+            printStatusDescriptionAndNumberOfTasks();
         }
     }
 
-    private void printStatusDescriptionAndNumberOftasks() {
-        System.out.println("       " + list.get(list.size()-1).getStatusAndDescription());
+    private void printStatusDescriptionAndNumberOfTasks() {
+        System.out.println("       " + list.get(list.size() - 1).getStatusAndDescription());
         Message.printNumberOfTasksInList(list.size());
     }
 
@@ -143,7 +143,7 @@ public void deleteTask(String command) {
 
     private boolean isTaskListEmptyOrIsCommandTypeInvalid(String command) {
         if (list.isEmpty()) {
-            Message.printEmptyTasklist();
+            Message.printEmptyTaskList();
             return true;
         } else if (command.isEmpty() || !GeneralMethods.isNumeric(command)) {
             Message.printInvalidTaskNumber(list.size());

src/main/java/duke/Tasks/ToDo.java

@@ -1,7 +1,5 @@
 package duke.Tasks;
 
-import duke.Tasks.Task;
-
 public class ToDo extends Task {
 
     public ToDo(String description) {

text-ui-test/data/data.txt

@@ -0,0 +1,4 @@
+todo borrow book
+done 1
+event project meeting /at Mon 2-4pm
+done 2