[Tham You Wei] iP

.gitignore

@@ -15,3 +15,13 @@ bin/
 
 /text-ui-test/ACTUAL.TXT
 text-ui-test/EXPECTED-UNIX.TXT
+
+build.gradle
+data/tasklist.txt
+gradle/wrapper/gradle-wrapper.jar
+gradle/wrapper/gradle-wrapper.properties
+gradlew
+text-ui-test/runtest.bat
+
+# Class files
+src/main/java/*.class

README.md

@@ -1,4 +1,4 @@
-# Duke project template
+# chatbot.evan.Evan project template
 
 This is a project template for a greenfield Java project. It's named after the Java mascot _Duke_. Given below are instructions on how to use it.
 
@@ -13,7 +13,7 @@ Prerequisites: JDK 11, update Intellij to the most recent version.
    1. If there are any further prompts, accept the defaults.
 1. Configure the project to use **JDK 11** (not other versions) as explained in [here](https://www.jetbrains.com/help/idea/sdk.html#set-up-jdk).<br>
    In the same dialog, set the **Project language level** field to the `SDK default` option.
-3. After that, locate the `src/main/java/Duke.java` file, right-click it, and choose `Run Duke.main()` (if the code editor is showing compile errors, try restarting the IDE). If the setup is correct, you should see something like the below as the output:
+3. After that, locate the `src/main/java/chatbot.evan.Evan.java` file, right-click it, and choose `Run chatbot.evan.Evan.main()` (if the code editor is showing compile errors, try restarting the IDE). If the setup is correct, you should see something like the below as the output:
    ```
    Hello from
     ____        _        

gradlew.bat

@@ -0,0 +1,92 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if %ERRORLEVEL% equ 0 goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

src/main/java/chatbot/evan/Evan.java

@@ -0,0 +1,72 @@
+package chatbot.evan;
+
+import java.util.Scanner;
+
+import command.*;
+
+import enums.Command;
+
+import exception.InvalidInputException;
+import exception.InvalidCommandException;
+import exception.MissingArgumentException;
+
+import parser.CommandParser;
+import task.TaskList;
+
+import ui.Reply;
+
+/**
+ * Main class for the chatbot
+ */
+public class Evan {
+
+    private static TaskList tasks = TaskList.init();
+    private static Reply reply = Reply.init();
+
+    /**
+     * main method of the Main class Evan chatbot
+     * Continuously takes in user input and gives an appropriate response until the user enters "bye
+     * @param args unused
+     */
+    public static void main(String[] args) {
+        //Start user interaction
+        Scanner scanner = new Scanner(System.in);
+
+        while(true) {
+            try {
+                String input = scanner.nextLine().toLowerCase();
+
+                if (input.equals(Command.BYE.getCommand())) {
+                    reply.printDialog("Bye. Hope to see you again soon!");
+                    return;
+                } else if (input.equals(Command.LIST.getCommand())) {
+                    tasks.printTasks();
+                } else if (input.equals(Command.TODO.getCommand())) {
+                    ToDoCommand.start();
+                } else if (input.equals(Command.DEADLINE.getCommand())) {
+                    DeadlineCommand.start();
+                } else if (input.equals(Command.EVENT.getCommand())) {
+                    EventCommand.start();
+                } else if (input.startsWith(Command.DELETE.getCommand())) {
+                    DeleteCommand.start(input);
+                } else if (input.startsWith(Command.MARK.getCommand())) {
+                    MarkCommand.start(input);
+                } else if (input.startsWith(Command.UNMARK.getCommand())) {
+                    UnmarkCommand.start(input);
+                } else if (input.startsWith(Command.FIND.getCommand())) {
+                    FindCommand.start(input);
+                } else {
+                    throw new InvalidCommandException();
+                }
+            } catch (InvalidInputException e) {
+                reply.printDialog(e.toString());
+            } catch (MissingArgumentException e) {
+                reply.printDialog(e.toString());
+            } catch (InvalidCommandException e) {
+                reply.printDialog(e.toString());
+            }
+        }
+    }
+
+
+}

src/main/java/command/DeadlineCommand.java

@@ -0,0 +1,59 @@
+package command;
+
+import exception.InvalidDateException;
+import exception.InvalidTimeException;
+
+import task.TaskList;
+import task.Deadlines;
+
+import ui.Reply;
+
+import parser.Time;
+
+import java.util.Scanner;
+
+/**
+ * Class for Deadline command with its static implementation of its processes
+ */
+public class DeadlineCommand {
+    private static Reply reply = Reply.init();
+    private static TaskList tasks = TaskList.init();
+
+    /**
+     * Main process of Deadline Command.
+     * Prompts user to enter the task and deadline date and time before validating and adding it to the list.
+     * Returns to homepage otherwise.
+     */
+    public static void start() {
+
+        Scanner scanner = new Scanner(System.in);
+
+        reply.printDialog("So you want to add a task with deadline. Tell me what's the task.");
+        String desc = scanner.nextLine();
+
+        reply.printDialog("Now indicate the deadline date.");
+        String date = scanner.nextLine();
+        try {
+            date = Time.formatDate(date);
+        } catch (InvalidDateException e) {
+            reply.printDialog(e.toString());
+            return;
+        }
+
+        reply.printDialog("Indicate a start time in ranging from 0000 - 2359. You may enter 'Skip' to not indicate a time");
+        String time = scanner.nextLine();
+        if (!time.toLowerCase().equals(enums.Command.SKIP.getCommand())) {
+            try {
+                date = Time.formatTime(date, time);
+            } catch (InvalidTimeException | InvalidDateException e) {
+                reply.printDialog(e.toString());
+                return;
+            } catch (NumberFormatException e) {
+                reply.printDialog("Non-numerical characters detected. Please enter numbers only. Returning to homepage...");
+                return;
+            }
+        }
+
+        tasks.addTask(new Deadlines(desc, date));
+    }
+}

src/main/java/command/DeleteCommand.java

@@ -0,0 +1,43 @@
+package command;
+
+import exception.InvalidCommandException;
+import exception.MissingArgumentException;
+import exception.InvalidInputException;
+
+import parser.CommandParser;
+
+import task.TaskList;
+
+import ui.Reply;
+
+/**
+ * Class for Delete command with its static implementation of its processes
+ */
+public class DeleteCommand {
+    private static Reply reply = Reply.init();
+    private static TaskList tasks = TaskList.init();
+
+    /**
+     * Main process of Delete Command.
+     * Validates the input after the delete keyword in the string. Deletes the task if it's a vlid input.
+     * Returns to homepage otherwise.
+     * @param input String input containing the command and its arguments
+     * @throws InvalidInputException if the arguments after command is invalid
+     * @throws MissingArgumentException if the arguments after the command is missing
+     * @throws InvalidCommandException if the command in the string is invalid
+     */
+    public static void start(String input) throws
+            InvalidInputException,
+            MissingArgumentException,
+            InvalidCommandException {
+
+        String number = CommandParser.getCommandArguments(input);
+        try {
+            tasks.deleteTask(Integer.parseInt(number));
+        } catch (NumberFormatException e ) {
+            reply.printDialog(" Strictly type 1 number only");
+        } catch (IndexOutOfBoundsException e) {
+            reply.printDialog(" Index number does not exist in our list");
+        }
+    }
+}

src/main/java/command/EventCommand.java

@@ -0,0 +1,84 @@
+package command;
+
+import exception.InvalidDateException;
+import exception.InvalidTimeException;
+
+import enums.Command;
+
+import parser.Time;
+
+import task.Events;
+import task.TaskList;
+
+import ui.Reply;
+
+import java.util.Scanner;
+
+/**
+ * Class for Event command with its static implementation of its processes
+ */
+public class EventCommand {
+    private static Reply reply = Reply.init();
+    private static TaskList tasks = TaskList.init();
+
+    /**
+     * Main process of Event Command.
+     * Prompts user to enter the task, start and end date/time before validating and adding it to the list.
+     * Returns to homepage otherwise.
+     */
+    public static void start() {
+
+        Scanner scanner = new Scanner(System.in);
+
+        reply.printDialog("So you want to add a event task. Tell me what's the task.");
+        String desc = scanner.nextLine();
+
+        reply.printDialog("Now indicate the start date.");
+        String from = scanner.nextLine();
+        try {
+            from = Time.formatDate(from);
+        } catch (InvalidDateException e) {
+            reply.printDialog(e.toString());
+            return;
+        }
+
+        reply.printDialog("Indicate a start time in ranging from 0000 - 2359. You may enter 'Skip' to not indicate a time");
+        String fromTime = scanner.nextLine();
+        if (!fromTime.toLowerCase().equals(Command.SKIP.getCommand())) {
+            try {
+                from = Time.formatTime(from, fromTime);
+            } catch (InvalidTimeException | InvalidDateException e) {
+                reply.printDialog(e.toString());
+                return;
+            } catch (NumberFormatException e) {
+                reply.printDialog("Non-numerical characters detected. Please enter numbers only. Returning to homepage...");
+                return;
+            }
+        }
+
+        reply.printDialog("Now indicate the end date.");
+        String to = scanner.nextLine();
+        try {
+            to = Time.formatDate(to);
+        } catch (InvalidDateException e) {
+            reply.printDialog(e.toString());
+            return;
+        }
+
+        reply.printDialog("Indicate a start time in ranging from 0000 - 2359. You may enter 'Skip' to not indicate a time");
+        String toTime = scanner.nextLine();
+        if (!toTime.toLowerCase().equals(Command.SKIP.getCommand())) {
+            try {
+                to = Time.formatTime(to, toTime);
+            } catch (InvalidTimeException | InvalidDateException e) {
+                reply.printDialog(e.toString());
+                return;
+            } catch (NumberFormatException e) {
+                reply.printDialog("Non-numerical characters detected. Please enter numbers only. Returning to homepage...");
+                return;
+            }
+        }
+
+        tasks.addTask(new Events(desc, from, to));
+    }
+}