Make following changes to the source code

Fix the save functions to allow Jar File to automatically save all tasks when program ends

Added JavaDocs to the necessary public functions and classes

Author: leejaegeun-sql

data/list.txt

@@ -1,32 +1,31 @@
 package chingu;
 
 import chingu.command.Command;
+import chingu.exception.ChinguException;
 import chingu.exception.NoCommandException;
 import chingu.task.TaskList;
 
 import java.io.IOException;
-import java.io.InputStream;
 
 /**
  * Class Duke that is the main class that helps to run the program
  */
 public class Chingu {
 
+    private static final String FILEPATH = "store/list.txt";
+
     private Storage storage;
     private TaskList tasks;
     private Ui ui;
 
-    private InputStream filePath = Main.class.getResourceAsStream("/data/list.txt") ;
-
 
     public Chingu() {
         ui = new Ui();
-        storage = new Storage(filePath);
+        storage = new Storage(FILEPATH);
         try {
             tasks = new TaskList(storage.load());
         } catch (IOException e) {
-            ui.showLoadingError();
-            tasks = new TaskList();
+            throw new RuntimeException(e);
         }
     }
 
@@ -45,18 +44,28 @@ public void run() {
                 isExit = c.isExit();
             } catch (NoCommandException e) {
                 ui.showError(e.getMessage());
+            } catch (ChinguException e) {
+                throw new RuntimeException(e);
             } finally {
                 ui.showLine();
             }
         }
     }
 
+    /**
+     * Collect Command from the user each time and respond to user's command to Chingu
+     *
+     * @param userInput which consist of command
+     * @return string Response to the command of the user
+     */
     public String getResponse(String userInput) {
         String Response = "";
         try {
             Command newCommand = Parser.parse(userInput);
             Response = newCommand.execute(tasks, ui, storage);
         } catch (NoCommandException e) {
+            return ui.showError(e.getMessage());
+        } catch (ChinguException e) {
             throw new RuntimeException(e);
         }
         return Response;

src/main/java/chingu/Chingu.java

@@ -12,7 +12,6 @@
 import chingu.exception.NoCommandException;
 import chingu.exception.ToDosException;
 import chingu.exception.EventException;
-import chingu.task.TaskList;
 import chingu.task.Task;
 import chingu.task.Event;
 import chingu.task.Deadline;
@@ -41,6 +40,13 @@ public static Command parse(String fullCommand) throws NoCommandException {
         }
     }
 
+    /**
+     * Sorts the 1-word Command from the user
+     *
+     * @param fullCommand from the user
+     * @return Command that is constructed based on User's command
+     * @throws NoCommandException if no command is present
+     */
     public static Command parseOneWordCommand(String fullCommand) throws NoCommandException {
         if (fullCommand.equals("list")) {
             return new ListCommand();
@@ -72,6 +78,13 @@ public static Command parseLongCommand(String firstWord, String furtherDetails)
         }
     }
 
+    /**
+     * Parse Command that adds ToDo
+     *
+     * @param description about ToDo
+     * @return ToDo Task that is created
+     * @throws ToDosException if necessary details are missing from the ToDo
+     */
     public static Task parseToDos(String description) throws ToDosException {
         if (description.isEmpty()) {
             throw new ToDosException("What todos do you need to record?");
@@ -86,6 +99,14 @@ public static Task parseToDos(String description) throws ToDosException {
         return new ToDo(description, priority);
     }
 
+    /**
+     * Parse Command that adds Deadline
+     *
+     * @param description about Deadline
+     * @return Deadline that is created
+     * @throws DeadlineException if necessary details are missing from the Deadline
+     * @throws DateException if format of the date given is wrong
+     */
     public static Task parseDeadline(String description) throws DeadlineException, DateException{
         if (description.isEmpty()) {
             throw new DeadlineException("What deadline do you need to record?");
@@ -107,6 +128,13 @@ public static Task parseDeadline(String description) throws DeadlineException, D
         return new Deadline(D, by, priority);
     }
 
+    /**
+     * Parse Command taht adds Event
+     *
+     * @param description about Event
+     * @return Event that is created
+     * @throws EventException if necessary details are missing from the Event
+     */
     public static Task parseEvent(String description) throws EventException {
         if (description.isEmpty()) {
             throw new EventException("What event do you need to record?");
@@ -127,6 +155,12 @@ public static Task parseEvent(String description) throws EventException {
         return new Event(D, from, to, priority);
     }
 
+    /**
+     * Check if the description is splitted correctly
+     *
+     * @param length number of splitted descriptions
+     * @throws DeadlineException if necessary details are missing from the Deadline
+     */
     public static void checkDeadlineSplit(int length) throws DeadlineException {
         if (length < 2) {
             throw new DeadlineException("Please insert the priority of the task - /priority High/Mid/low");
@@ -139,6 +173,12 @@ public static void checkEventSplit(int length) throws EventException{
         }
     }
 
+    /**
+     * Validate if the format of the event dates are correctly added by the user
+     *
+     * @param from - start date of the event
+     * @param to - end date of the event
+     */
     public static void validateDates(String from, String to) {
         boolean validateFromDate = from.matches("[0-9]{4}/[0-9]{2}/[0-9]{2}\\[0-9]{4}");
         assert !validateFromDate : "format of the event start date is WRONG!";