[Chanell Ng] iP

src/main/java/Level_7.java

@@ -1,2 +1,132 @@
-package PACKAGE_NAME;public class Level_7 {
+import java.io.IOException;
+import java.util.Scanner;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileWriter;
+
+public class Level_7 {
+
+    private static void createBot(String filePath, Duke bot) throws FileNotFoundException {
+        File f = new File(filePath); // create a File for the given file path
+        Scanner s = new Scanner(f); // create a Scanner using the File as the source
+        Task newTask = new Task("");
+        while (s.hasNext()) {
+            String[] taskData = s.nextLine().split(" \\| ");
+            String type = taskData[0];
+            String doneStatus = taskData[1];
+            if (type.equals("T")) {
+                String details = taskData[2];
+                newTask = new ToDo(details);
+                bot.addToBot(newTask);
+
+            } else if (type.equals("E")) {
+                String content = taskData[2];
+                String at = taskData[3];
+                newTask = new Event(content, at);
+                bot.addToBot(newTask);
+
+            } else {
+                String content = taskData[2];
+                String by = taskData[3];
+                newTask = new Deadline(content, by);
+                bot.addToBot(newTask);
+            }
+
+            if (doneStatus == " 1 ") {
+                newTask.markDone();
+            }
+
+        }
+    }
+
+
+    private static void updateFile(String filePath, Duke bot) throws IOException {
+        FileWriter fw = new FileWriter(filePath);
+        for(Task element:bot.list) {
+            fw.write(element.toString() + "\n");
+
+        }
+        fw.close();
+    }
+    public static void main(String[] args) throws DukeException {
+        System.out.println("Hello! I'm Duke");
+        System.out.println("What can I do for you?");
+        Duke bot = new Duke();
+        try{
+            File f = new File("data/duke.txt");
+            f.getParentFile().mkdirs();
+            if(f.createNewFile()){
+                System.out.println("File created");
+            }else {
+                createBot("data/duke.txt", bot);
+            }
+        }catch (IOException e){
+            System.out.println("Error in creating file");
+
+
+        }
+        Scanner sc = new Scanner(System.in);
+        String input = sc.nextLine();
+
+        while (!(input.equals("bye"))) {
+            if (input.equals("list")) {
+                bot.printList();
+            } else {
+                String command = input.split(" ")[0];
+                try {
+                    if (command.equals("done")) {
+                        int id = Integer.valueOf(input.split(" ")[1]);
+                        bot.markTaskAsDone(id);
+
+                    } else if (command.equals("todo")) {
+                        try {
+                            input = input.split(" ", 2)[1];
+                            ToDo newTask = new ToDo(input);
+                            bot.addToList(newTask);
+                            //counter++;
+                        } catch (Exception e) {
+                            throw new DukeException(("OOPS!!! The description cannot be empty."));
+                        }
+                    } else if (command.equals("event")) {
+                        input = input.split(" ", 2)[1];
+                        String content = input.split("/at")[0];
+                        String at = input.split("/at")[1];
+                        Event newTask = new Event(content, at);
+                        bot.addToList(newTask);
+                    } else if (command.equals("deadline")) {
+                        input = input.split(" ", 2)[1];
+                        String content = input.split("/by")[0];
+                        String by = input.split("/by")[1];
+                        Deadline newTask = new Deadline(content, by);
+                        bot.addToList(newTask);
+                    }else if(command.equals("delete")){
+                        int id = Integer.valueOf(input.split(" ")[1]);
+                        bot.deleteTask(id);
+
+                    } else {
+                        throw new DukeException("OOPS!!! I'm sorry, but I don't know what that means :-{");
+                    }
+                } catch (DukeException e1) {
+                    System.out.println(e1);
+
+                }
+            }
+            try {
+                updateFile("data/duke.txt", bot);
+            }catch (IOException e) {
+                System.out.println("Unable to update file");
+            }
+            input = sc.nextLine();
+        }
+
+
+        System.out.println("Bye. Hope to see you again soon!");
+    }
 }
+
+
+
+
+
+
+