diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000000..87b738cbd0
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000000..44e7c4d1d7
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100644
index 0000000000..af6708ff22
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+## Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG=`dirname "$PRG"`"/$link"
+ fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+die () {
+ echo
+ echo "$*"
+ echo
+ exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+ CYGWIN* )
+ cygwin=true
+ ;;
+ Darwin* )
+ darwin=true
+ ;;
+ MINGW* )
+ msys=true
+ ;;
+ NONSTOP* )
+ nonstop=true
+ ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ if [ ! -x "$JAVACMD" ] ; then
+ die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+ fi
+else
+ JAVACMD="java"
+ which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+ MAX_FD_LIMIT=`ulimit -H -n`
+ if [ $? -eq 0 ] ; then
+ if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+ MAX_FD="$MAX_FD_LIMIT"
+ fi
+ ulimit -n $MAX_FD
+ if [ $? -ne 0 ] ; then
+ warn "Could not set maximum file descriptor limit: $MAX_FD"
+ fi
+ else
+ warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+ fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+ GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+ APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+ CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+ JAVACMD=`cygpath --unix "$JAVACMD"`
+
+ # We build the pattern for arguments to be converted via cygpath
+ ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+ SEP=""
+ for dir in $ROOTDIRSRAW ; do
+ ROOTDIRS="$ROOTDIRS$SEP$dir"
+ SEP="|"
+ done
+ OURCYGPATTERN="(^($ROOTDIRS))"
+ # Add a user-defined pattern to the cygpath arguments
+ if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+ OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+ fi
+ # Now convert the arguments - kludge to limit ourselves to /bin/sh
+ i=0
+ for arg in "$@" ; do
+ CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+ CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
+
+ if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
+ eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+ else
+ eval `echo args$i`="\"$arg\""
+ fi
+ i=$((i+1))
+ done
+ case $i in
+ (0) set -- ;;
+ (1) set -- "$args0" ;;
+ (2) set -- "$args0" "$args1" ;;
+ (3) set -- "$args0" "$args1" "$args2" ;;
+ (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ esac
+fi
+
+# Escape application args
+save () {
+ for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+ echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+ cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000000..0f8d5937c4
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,84 @@
+@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=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@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"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+: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 %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="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!
+if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/src/main/duke/.idea/modules.xml b/src/main/duke/.idea/modules.xml
new file mode 100644
index 0000000000..8069133725
--- /dev/null
+++ b/src/main/duke/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/duke/.idea/vcs.xml b/src/main/duke/.idea/vcs.xml
new file mode 100644
index 0000000000..17fbd1b823
--- /dev/null
+++ b/src/main/duke/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/duke/.idea/workspace.xml b/src/main/duke/.idea/workspace.xml
new file mode 100644
index 0000000000..3649d07a24
--- /dev/null
+++ b/src/main/duke/.idea/workspace.xml
@@ -0,0 +1,138 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ 1582718953288
+
+
+ 1582718953288
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/.idea/.gitignore b/src/main/java/.idea/.gitignore
new file mode 100644
index 0000000000..d6fd6f21b4
--- /dev/null
+++ b/src/main/java/.idea/.gitignore
@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml
diff --git a/src/main/java/.idea/misc.xml b/src/main/java/.idea/misc.xml
new file mode 100644
index 0000000000..909657acfe
--- /dev/null
+++ b/src/main/java/.idea/misc.xml
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/.idea/modules.xml b/src/main/java/.idea/modules.xml
new file mode 100644
index 0000000000..151d513fae
--- /dev/null
+++ b/src/main/java/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/.idea/vcs.xml b/src/main/java/.idea/vcs.xml
new file mode 100644
index 0000000000..17fbd1b823
--- /dev/null
+++ b/src/main/java/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/Deadline.java b/src/main/java/Deadline.java
new file mode 100644
index 0000000000..99591ecf8b
--- /dev/null
+++ b/src/main/java/Deadline.java
@@ -0,0 +1,36 @@
+simport java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Represents a deadline object characterized by an instrution and a date and time.
+ */
+public class Deadline extends Task{
+ private LocalDateTime time;
+
+ /**
+ * Creates a new Deadline with the given instruction and time.
+ */
+ public Deadline (String instruction, LocalDateTime time) {
+ super(instruction);
+ this.time = time;
+ }
+
+ /**
+ * Gets the time of a deadline.
+ * @return the time of this deadline.
+ */
+ public LocalDateTime getTime() {
+ return this.time;
+ }
+
+ /**
+ * Gets a string representation of a deadline.
+ * @return the string representation of this deadline.
+ */
+ @Override
+ public String toString() {
+ return "[D]" + super.toString() + "(by: "
+ + time.format(DateTimeFormatter.ofPattern("MMM d yyyy HH:mm")) + ")";
+ }
+}
diff --git a/src/main/java/DialogBox.java b/src/main/java/DialogBox.java
new file mode 100644
index 0000000000..746f379969
--- /dev/null
+++ b/src/main/java/DialogBox.java
@@ -0,0 +1,50 @@
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.geometry.Pos;
+import javafx.scene.Node;
+import javafx.scene.control.Label;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import javafx.scene.layout.HBox;
+
+public class DialogBox extends HBox {
+ private Label dialog;
+ private ImageView iv;
+
+ private DialogBox(Label dialog, ImageView iv) {
+ this.dialog = dialog;
+ this.iv = iv;
+ try {
+ FXMLLoader l = new FXMLLoader(MainWindow.class.getResource("/view/DialogBox.fxml"));
+ l.setController(this);
+ l.setRoot(this);
+ l.load();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ dialog.setText(text);
+ displayPicture.setImage(img);
+ }
+
+ /**
+ * Flips the dialog box such that the ImageView is on the left and text on the right.
+ */
+ private void flip() {
+ ObservableList tmp = FXCollections.observableArrayList(this.getChildren());
+ Collections.reverse(tmp);
+ getChildren().setAll(tmp);
+ setAlignment(Pos.TOP_LEFT);
+ }
+
+ public static DialogBox getUserDialog(String text, Image img) {
+ return new DialogBox(text, img);
+ }
+
+ public static DialogBox getDukeDialog(String text, Image img) {
+ var db = new DialogBox(text, img);
+ db.flip();
+ return db;
+ }
+}
diff --git a/src/main/java/Duke.java b/src/main/java/Duke.java
index 5d313334cc..e4e421ad2d 100644
--- a/src/main/java/Duke.java
+++ b/src/main/java/Duke.java
@@ -1,10 +1,79 @@
-public class Duke {
- public static void main(String[] args) {
- String logo = " ____ _ \n"
- + "| _ \\ _ _| | _____ \n"
- + "| | | | | | | |/ / _ \\\n"
- + "| |_| | |_| | < __/\n"
- + "|____/ \\__,_|_|\\_\\___|\n";
- System.out.println("Hello from\n" + logo);
- }
-}
+import java.io.FileNotFoundException;
+
+import javafx.application.Application;
+import javafx.scene.Scene;
+import javafx.scene.control.Label;
+import javafx.scene.layout.Region;
+import javafx.stage.Stage;
+import javafx.scene.control.Button;
+import javafx.scene.control.ScrollPane;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.AnchorPane;
+import javafx.scene.layout.VBox;
+
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+
+/**
+ * Represents a Duke robot that deal with multiple tasks.
+ */
+public class Duke extends Application{
+ /**
+ * The Storage used.
+ */
+ private Storage storage;
+ /**
+ * The list of task.
+ */
+ private TaskList tasks;
+ /**
+ * The user interface.
+ */
+ private Ui ui;
+ /**
+ * The Parser used.
+ */
+ private Parser parser;
+
+ /**
+ * Creates a new Duke with the given filePath.
+ */
+ public Duke (String filePath) {
+ this.ui = new Ui();
+ this.storage = new Storage(filePath);
+ try {
+ this.tasks = new TaskList(storage.load());
+ } catch (FileNotFoundException e) {
+ ui.showLoadingError();
+ this.tasks = new TaskList();
+ }
+ }
+
+ /**
+ * Runs Duke.
+ */
+ public void run() {
+ this.parser = new Parser(ui, tasks, storage);
+ parser.run();
+ }
+
+ /**
+ * Runs Duke with the given filePath.
+ */
+ public static void main(String[] args) {
+ new Duke("C:\\Users\\h1430\\Documents\\CS2103T\\duke\\src\\main\\java\\data\\duke.txt").run();
+ }
+
+ @Override
+ public void start(Stage stage) {
+ try {
+ FXMLLoader l = new FXMLLoader(Duke.class.getResource("/view/MainWindow.fxml"));
+ AnchorPane ap = (AnchorPane) l.load();
+ Scene scene = new Scene(ap);
+ stage.setScene(scene);
+ stage.show();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/src/main/java/DukeException.java b/src/main/java/DukeException.java
new file mode 100644
index 0000000000..9b8764e2de
--- /dev/null
+++ b/src/main/java/DukeException.java
@@ -0,0 +1,21 @@
+/**
+ * Represents exceptions that may happen while running Duke.
+ */
+public class DukeException extends Exception {
+ private String type;
+
+ /**
+ * Creates a new DukeException with the given type.
+ */
+ public DukeException (String type) {
+ this.type = type;
+ }
+
+ /**
+ * Gets the type of a DukeException.
+ * @return the type of this exception.
+ */
+ public String getType() {
+ return this.type;
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/Event.java b/src/main/java/Event.java
new file mode 100644
index 0000000000..0f6528bf8f
--- /dev/null
+++ b/src/main/java/Event.java
@@ -0,0 +1,36 @@
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Represents an event object characterized by an instrution and a date and time.
+ */
+public class Event extends Task {
+ private LocalDateTime time;
+
+ /**
+ * Creates a new Event with the given instruction and time.
+ */
+ public Event (String instruction, LocalDateTime time) {
+ super(instruction);
+ this.time = time;
+ }
+
+ /**
+ * Gets the time of an event.
+ * @return the time of this event.
+ */
+ public LocalDateTime getTime() {
+ return this.time;
+ }
+
+ /**
+ * Gets a string representation of an event.
+ * @return the string representation of this event.
+ */
+ @Override
+ public String toString() {
+ return "[E]" + super.toString() + "(at: "
+ + time.format(DateTimeFormatter.ofPattern("MMM d yyyy HH:mm")) + ")";
+ }
+}
diff --git a/src/main/java/Launcher.java b/src/main/java/Launcher.java
new file mode 100644
index 0000000000..a2ff3cd6ec
--- /dev/null
+++ b/src/main/java/Launcher.java
@@ -0,0 +1,10 @@
+import javafx.application.Application;
+
+/**
+ * A launcher class to workaround classpath issues.
+ */
+public class Launcher {
+ public static void main(String[] args) {
+ Application.launch(Duke.class, args);
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/MainWindow.java b/src/main/java/MainWindow.java
new file mode 100644
index 0000000000..8b1ef47912
--- /dev/null
+++ b/src/main/java/MainWindow.java
@@ -0,0 +1,51 @@
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.ScrollPane;
+import javafx.scene.control.TextField;
+import javafx.scene.image.Image;
+import javafx.scene.layout.AnchorPane;
+import javafx.scene.layout.VBox;
+import javafx.stage.Stage;
+
+import static duke.common.Messages.WELCOME_MSG;
+
+/**
+ * Controller for MainWindow. Provides the layout for the other controls.
+ */
+public class MainWindow extends AnchorPane {
+ @FXML
+ private ScrollPane scrollPane;
+ @FXML
+ private VBox dialogContainer;
+ @FXML
+ private TextField userInput;
+ @FXML
+ private Button sendButton;
+
+ private Duke duke;
+ private Stage window;
+
+ private Image userImage = new Image(this.getClass().getResourceAsStream("/images/DaUser.png"));
+ private Image dukeImage = new Image(this.getClass().getResourceAsStream("/images/DaDuke.png"));
+
+ @FXML
+ public void initialize() {
+ scrollPane.vvalueProperty().bind(dialogContainer.heightProperty());
+ }
+
+
+ private void handleUserInput() {
+ String input = userInput.getText();
+ String response = DukeStub.getResponse(input);
+ dialogContainer.getChildren().addAll(
+ DialogBox.getUserDialog(input, user),
+ DialogBox.getDukeDialog(response, duke)
+ );
+ userInput.clear();
+ }
+
+ public static String getResponse(String input) {
+ return String.format("ok, %s", input);
+ }
+
+}
\ No newline at end of file
diff --git a/src/main/java/Parser.java b/src/main/java/Parser.java
new file mode 100644
index 0000000000..5cb9730577
--- /dev/null
+++ b/src/main/java/Parser.java
@@ -0,0 +1,108 @@
+import java.util.Scanner;
+import java.util.ArrayList;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Represents a Parser. The Parser class deals with making sense of the user command and running the command.
+ */
+public class Parser {
+ /**
+ * The user interface.
+ */
+ private Ui ui;
+ /**
+ * The list of task.
+ */
+ private TaskList tasks;
+ /**
+ * The storage object used.
+ */
+ private Storage storage;
+
+ /**
+ * Creates a new Parser with the given ui, tasklist and storage.
+ */
+ public Parser (Ui ui, TaskList tasks, Storage storage) {
+ this.ui = ui;
+ this.tasks = tasks;
+ this.storage = storage;
+ }
+
+ /**
+ * Greets and runs the user command line by line.
+ */
+ public void run() {
+ Scanner scanner = new Scanner(System.in);
+ ui.greet();
+ while (scanner.hasNextLine()) {
+ String usercommand = scanner.nextLine();
+ try {
+ handleInstruction(usercommand);
+ } catch (DukeException e) {
+ ui.showCommandError(e);
+ } catch (AssertionError e) {
+ ui.showAssertionError();
+ }
+ }
+ }
+
+ /**
+ * Deals with the user command (instruction).
+ * @throws DukeException when the instruction has an invalid task type,
+ * or the task type is specified but content is empty.
+ */
+ public void handleInstruction(String instruction) throws DukeException {
+ if (instruction.equals("bye")) {
+ ui.exit();
+ } else if (instruction.equals("list")) {
+ tasks.printList();
+ } else if (instruction.split(" ")[0].equals("done")) {
+ int index = Integer.parseInt(instruction.split(" ")[1]);
+ assert index < 0 : "invalid index";
+ tasks.doneTask(index);
+ storage.record(tasks.getTasks());
+
+ } else if (instruction.split(" ")[0].equals("delete")) {
+ int index = Integer.parseInt(instruction.split(" ")[1]);
+ assert index < 0 : "invalid index";
+ tasks.deleteTask(index);
+ storage.record(tasks.getTasks());
+ } else if (instruction.split(" ")[0].equals("find")) {
+ String keyword = instruction.replace("find ", "");
+ tasks.find(keyword);
+ } else if (instruction.split(" ")[0].equals("todo")) {
+ String task = instruction.replace("todo", "");
+ if (!task.equals("")) {
+ tasks.addTask(new ToDo(task));
+ storage.record(tasks.getTasks());
+ } else {
+ throw new DukeException("EmptyToDo");
+ }
+ } else if (instruction.split(" ")[0].equals("deadline")) {
+ String task = instruction.split("/")[0].replace("deadline", "");
+ if (!task.equals("")) {
+ String time = instruction.split("/")[1].replace("by ", "");
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ tasks.addTask(new Deadline(task, LocalDateTime.parse(time, formatter)));
+ storage.record(tasks.getTasks());
+ } else {
+ throw new DukeException("EmptyDeadline");
+ }
+ } else if (instruction.split(" ")[0].equals("event")) {
+ String task = instruction.split("/")[0].replace("event", "");
+ if (!task.equals("")) {
+ String time = instruction.split("/")[1].replace("at ", "");
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ tasks.addTask(new Event(task, LocalDateTime.parse(time, formatter)));
+ storage.record(tasks.getTasks());
+ } else {
+ throw new DukeException("EmptyEvent");
+ }
+ } else {
+ throw new DukeException("invalid");
+ }
+ }
+
+}
diff --git a/src/main/java/Storage.java b/src/main/java/Storage.java
new file mode 100644
index 0000000000..6e3a3887b8
--- /dev/null
+++ b/src/main/java/Storage.java
@@ -0,0 +1,103 @@
+import java.util.Scanner;
+import java.util.ArrayList;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Represents a Storage. The Storage class deals with loading tasks from the file and saving tasks in the file.
+ */
+public class Storage {
+ /**
+ * The filePath where tasks are loaded and saved.
+ */
+ private String filePath;
+ /**
+ * The user interface.
+ */
+ private Ui ui;
+
+ /**
+ * Creates a new Storage with the given filepath.
+ * @param filePath The filepath where to load from and write to.
+ */
+ public Storage(String filePath) {
+ this.filePath = filePath;
+ this.ui = new Ui();
+ }
+
+ /**
+ * Loads tasks from the file.
+ * @throws FileNotFoundException when the filePath is invalid.
+ */
+ public ArrayList load() throws FileNotFoundException {
+ File file = new File(filePath);
+ Scanner scanner = new Scanner(file);
+ ArrayList tasks = new ArrayList(100);
+ while (scanner.hasNextLine()) {
+ String[] data = scanner.nextLine().split(" \\| ");
+ if (data[0].equals("T")) {
+ ToDo todo = new ToDo(data[2]);
+ if (data[1].equals("1")) {
+ todo.setDone();
+ }
+ tasks.add(todo);
+ } else if (data[0].equals("D")) {
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ Deadline deadline = new Deadline(data[2], LocalDateTime.parse(data[3], formatter));
+ if (data[1].equals("1")) {
+ deadline.setDone();
+ }
+ tasks.add(deadline);
+ } else if (data[0].equals("E")) {
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ Event event = new Event(data[2], LocalDateTime.parse(data[3], formatter));
+ if (data[1].equals("1")) {
+ event.setDone();
+ }
+ tasks.add(event);
+ }
+ }
+ return tasks;
+ }
+
+ /**
+ * Saves tasks to the file.
+ * @throws IOException.
+ */
+ public void writeToFile(ArrayList tasks) throws IOException {
+ FileWriter fileWriter = new FileWriter(filePath);
+ for (int i = 0; i < tasks.size(); i++) {
+ Task task = tasks.get(i);
+ if (task instanceof ToDo) {
+ String text = "T | " + (task.getStatus() ? "1" : "0") + " | " + task.getInstruction();
+ fileWriter.write(text + System.lineSeparator());
+ } else if (task instanceof Deadline) {
+ String text = "D | " + (task.getStatus() ? "1" : "0") + " | " + task.getInstruction() + " | "
+ + ((Deadline) task).getTime().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm"));
+ fileWriter.write(text + System.lineSeparator());
+ } else if (task instanceof Event) {
+ String text = "E | " + (task.getStatus() ? "1" : "0") + " | " + task.getInstruction() + " | "
+ + ((Event) task).getTime().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm"));
+ fileWriter.write(text + System.lineSeparator());
+ }
+ }
+ fileWriter.close();
+ }
+
+ /**
+ * Tries to record the changes tasks to the file.
+ */
+ public void record(ArrayList tasks) {
+ try {
+ writeToFile(tasks);
+ } catch (IOException e) {
+ ui.showIOException(e);
+ }
+ }
+
+}
\ No newline at end of file
diff --git a/src/main/java/Task.java b/src/main/java/Task.java
new file mode 100644
index 0000000000..a46af12242
--- /dev/null
+++ b/src/main/java/Task.java
@@ -0,0 +1,58 @@
+/**
+ * Represents a task object characterized by an instrution.
+ */
+public class Task {
+ /**
+ * The instrution of this task.
+ */
+ protected String instruction;
+ /**
+ * Indicates whether this task is done or not.
+ */
+ protected boolean isDone;
+
+ /**
+ * Creates a new Task with the given instruction.
+ * Initially the task is not done.
+ */
+ public Task (String instruction) {
+ this.instruction = instruction;
+ this.isDone = false;
+ }
+
+ /**
+ * Gets the instruction of a task.
+ * @return the instruction of this task.
+ */
+ public String getInstruction() {
+ return this.instruction;
+ }
+
+ /**
+ * Gets the status of a task.
+ * @return true if this task is done, false if this task is not done yet.
+ */
+ public boolean getStatus() {
+ return this.isDone;
+ }
+
+ /**
+ * Sets this task as done.
+ */
+ public void setDone() {
+ this.isDone = true;
+ }
+
+ /**
+ * Gets a string representation of a task.
+ * @return the string representation of this tasks.
+ */
+ @Override
+ public String toString() {
+ if (isDone) {
+ return "[\u2713]" + instruction;
+ } else {
+ return "[\u2718]" + instruction;
+ }
+ }
+}
diff --git a/src/main/java/TaskList.java b/src/main/java/TaskList.java
new file mode 100644
index 0000000000..566598b6e9
--- /dev/null
+++ b/src/main/java/TaskList.java
@@ -0,0 +1,92 @@
+import java.util.ArrayList;
+
+/**
+ * Represents the task list that stores all current tasks.
+ */
+public class TaskList {
+ /**
+ * The list of task.
+ */
+ private ArrayList tasks;
+ /**
+ * The user interface.
+ */
+ private Ui ui;
+
+ /**
+ * Creates a new TaskList with the given arraylist that contains tasks.
+ */
+ public TaskList (ArrayList tasks) {
+ this.tasks = tasks;
+ this.ui = new Ui();
+ }
+
+ /**
+ * Creates an empty TaskList (with maximum capacity 100).
+ */
+ public TaskList() {
+ this.tasks = new ArrayList(100);
+ this.ui = new Ui();
+ }
+
+ /**
+ * Gets the task list.
+ * @return list of this TaskList.
+ */
+ public ArrayList getTasks() {
+ return this.tasks;
+ }
+
+ /**
+ * Adds a task to this tasklist.
+ * @param task The task to be added.
+ */
+ public void addTask (Task task) {
+ tasks.add(task);
+ ui.add(task, tasks);
+ }
+
+ /**
+ * Marks a task in this list as done.
+ * @param n Index of the task that is done.
+ */
+ public void doneTask (int n) {
+ tasks.get(n-1).setDone();
+ ui.done(n, tasks);
+ }
+
+ /**
+ * Deletes a task in this list.
+ * @param n Index of the task to be deleted.
+ */
+ public void deleteTask (int n) {
+ ui.delete(n, tasks);
+ tasks.remove(n-1);
+ ui.count(tasks);
+ }
+
+ /**
+ * Finds tasks that matches the given keyword.
+ * @Param keyword The given keyword.
+ */
+ public void find (String keyword) {
+ ArrayList results = new ArrayList();
+ for (Task task: tasks) {
+ if (task.getInstruction().contains(keyword)) {
+ results.add(task);
+ }
+ }
+ ui.findKeyword(results);
+ }
+
+ /**
+ * Prints the list of tasks.
+ */
+ public void printList() {
+ for (int i = 0; i < tasks.size(); i++) {
+ if (tasks.get(i) != null) {
+ System.out.println((i + 1) + ". " + tasks.get(i).toString());
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/ToDo.java b/src/main/java/ToDo.java
new file mode 100644
index 0000000000..309b89438b
--- /dev/null
+++ b/src/main/java/ToDo.java
@@ -0,0 +1,21 @@
+/**
+ * Represents a todo object characterized by an instrution.
+ */
+public class ToDo extends Task {
+
+ /**
+ * Creates a new ToDo with the given instruction.
+ */
+ public ToDo (String instruction) {
+ super(instruction);
+ }
+
+ /**
+ * Gets a string representation of a todo.
+ * @return the string representation of this todo.
+ */
+ @Override
+ public String toString() {
+ return "[T]" + super.toString();
+ }
+}
diff --git a/src/main/java/Ui.java b/src/main/java/Ui.java
new file mode 100644
index 0000000000..84c2be6856
--- /dev/null
+++ b/src/main/java/Ui.java
@@ -0,0 +1,109 @@
+import java.io.IOException;
+import java.util.ArrayList;
+
+/**
+ * Represents the user interface. This Ui class outputs messages and interacts with the user.
+ */
+public class Ui {
+
+ /**
+ * Creates a new Ui.
+ */
+ public Ui() {
+
+ }
+
+ /**
+ * Greets to the user.
+ */
+ public void greet() {
+ System.out.println("Hello! I'm Duke\n What can I do for you?");
+ }
+
+ /**
+ * Farewell to the user.
+ */
+ public void exit() {
+ System.out.println("Bye. Hope to see you again soon!");
+ }
+
+ /**
+ * Adds a task for the user.
+ */
+ public void add (Task task, ArrayList tasks) {
+ System.out.println("Got it. I've added this task:\n" + task.toString()
+ + "\n Now you have " + tasks.size() + " tasks in the list.");
+ }
+
+ /**
+ * Marks a task as done for the user.
+ */
+ public void done (int n, ArrayList tasks) {
+ System.out.println("Nice! I've marked this task as done: \n"
+ + tasks.get(n-1).toString());
+ }
+
+ /**
+ * Deletes a task for the user.
+ */
+ public void delete (int n, ArrayList tasks) {
+ System.out.println("Noted. I've removed this task:\n"
+ + tasks.get(n-1).toString());
+ }
+
+ /**
+ * Finds tasks that matches the given keyword for the user.
+ * @Param results The list of matching tasks.
+ */
+ public void findKeyword (ArrayList results) {
+ System.out.println("Here are the matching tasks in your list:");
+ for (int i = 0; i < results.size(); i++) {
+ if (results.get(i) != null) {
+ System.out.println((i + 1) + ". " + results.get(i).toString());
+ }
+ }
+ }
+
+ /**
+ * Counts the number of task in the current list for the user.
+ */
+ public void count (ArrayList tasks) {
+ System.out.println("Now you have " + tasks.size() + " tasks in the list.");
+ }
+
+ /**
+ * Shows command error for the user while catching duke exceptions.
+ */
+ public void showCommandError (DukeException e) {
+ if (e.getType().equals("EmptyToDo")) {
+ System.out.println("OOPS!!! The description of a todo cannot be empty.");
+ }
+ if (e.getType().equals("EmptyDeadline")) {
+ System.out.println("OOPS!!! The description of a deadline cannot be empty.");
+ }
+ if (e.getType().equals("EmptyEvent")) {
+ System.out.println("OOPS!!! The description of a event cannot be empty.");
+ }
+ if (e.getType().equals("invalid")) {
+ System.out.println("OOPS!!! I'm sorry, but I don't know what that means :-(");
+ }
+ }
+
+ /**
+ * Shows loading error for the user while files are not found.
+ */
+ public void showLoadingError() {
+ System.out.println("File not found");
+ }
+
+ /**
+ * Shows error for the user while catching IOExceptions.
+ */
+ public void showIOException (IOException e) {
+ System.out.println("Oops! " + e.getMessage());
+ }
+
+ public void showAssertionError() {
+ System.out.println("Oops! The index is invalid.");
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/data/duke.txt b/src/main/java/data/duke.txt
new file mode 100644
index 0000000000..0e40dc8d36
--- /dev/null
+++ b/src/main/java/data/duke.txt
@@ -0,0 +1,4 @@
+T | 1 | read book
+D | 0 | return book | Jun 6 2020 1100
+E | 0 | project meeting | Aug 6 2020 1400
+T | 1 | join sports club
\ No newline at end of file
diff --git a/src/main/java/text-ui-test/ACTUAL.txt b/src/main/java/text-ui-test/ACTUAL.txt
new file mode 100644
index 0000000000..707beb82b4
--- /dev/null
+++ b/src/main/java/text-ui-test/ACTUAL.txt
@@ -0,0 +1,18 @@
+Hello! I'm Duke
+ What can I do for you?
+Got it. I've added this task:
+[T][✘] borrow book
+ Now you have 1 tasks in the list.
+Got it. I've added this task:
+[D][✘] return book (by: Sunday)
+ Now you have 2 tasks in the list.
+Got it. I've added this task:
+[E][✘] meeting (at: 1200)
+ Now you have 3 tasks in the list.
+OOPS!!! I'm sorry, but I don't know what that means :-(
+1. [T][✘] borrow book
+2. [D][✘] return book (by: Sunday)
+3. [E][✘] meeting (at: 1200)
+Nice! I've marked this task as done:
+[E][✓] meeting (at: 1200)
+Bye. Hope to see you again soon!
diff --git a/src/main/java/text-ui-test/EXPECTED.txt b/src/main/java/text-ui-test/EXPECTED.txt
new file mode 100644
index 0000000000..09049b28c8
--- /dev/null
+++ b/src/main/java/text-ui-test/EXPECTED.txt
@@ -0,0 +1,18 @@
+Hello! I'm Duke
+ What can I do for you?
+Got it. I've added this task:
+[T][✘] borrow book
+ Now you have 1 tasks in the list.
+Got it. I've added this task:
+[D][✘] return book (by: Sunday)
+ Now you have 2 tasks in the list.
+Got it. I've added this task:
+[E][✘] meeting (at: 1200)
+ Now you have 3 tasks in the list.
+OOPS!!! I'm sorry, but I don't know what that means :-(
+1. [T][✘] borrow book
+2. [D][✘] return book (by: Sunday)
+3. [E][✘] meeting (at: 1200)
+Nice! I've marked this task as done:
+[E][✓] meeting (at: 1200)
+Bye. Hope to see you again soon!
\ No newline at end of file
diff --git a/src/main/java/text-ui-test/input.txt b/src/main/java/text-ui-test/input.txt
new file mode 100644
index 0000000000..6cddb7b3e7
--- /dev/null
+++ b/src/main/java/text-ui-test/input.txt
@@ -0,0 +1,7 @@
+todo borrow book
+deadline return book /by Sunday
+event meeting /at 1200
+blah
+list
+done 3
+bye
\ No newline at end of file
diff --git a/src/main/java/text-ui-test/runtest.bat b/src/main/java/text-ui-test/runtest.bat
new file mode 100644
index 0000000000..149c050780
--- /dev/null
+++ b/src/main/java/text-ui-test/runtest.bat
@@ -0,0 +1,21 @@
+@ECHO OFF
+
+REM create bin directory if it doesn't exist
+if not exist ..\bin mkdir ..\bin
+
+REM delete output from previous run
+del ACTUAL.TXT
+
+REM compile the code into the bin folder
+javac -cp ..\src -Xlint:none -d ..\bin ..\src\main\java\Duke.java
+IF ERRORLEVEL 1 (
+ echo ********** BUILD FAILURE **********
+ exit /b 1
+)
+REM no error here, errorlevel == 0
+
+REM run the program, feed commands from input.txt file and redirect the output to the ACTUAL.TXT
+java -classpath ..\bin Duke < input.txt > ACTUAL.TXT
+
+REM compare the output to the expected output
+FC ACTUAL.TXT EXPECTED.TXT
\ No newline at end of file
diff --git a/src/test/java/.idea/.gitignore b/src/test/java/.idea/.gitignore
new file mode 100644
index 0000000000..d6fd6f21b4
--- /dev/null
+++ b/src/test/java/.idea/.gitignore
@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml
diff --git a/src/test/java/.idea/modules.xml b/src/test/java/.idea/modules.xml
new file mode 100644
index 0000000000..151d513fae
--- /dev/null
+++ b/src/test/java/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/test/java/.idea/vcs.xml b/src/test/java/.idea/vcs.xml
new file mode 100644
index 0000000000..17fbd1b823
--- /dev/null
+++ b/src/test/java/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/test/java/EventTest.java b/src/test/java/EventTest.java
new file mode 100644
index 0000000000..6a91bba0a1
--- /dev/null
+++ b/src/test/java/EventTest.java
@@ -0,0 +1,27 @@
+//package duke;
+
+import org.junit.jupiter.api.Test;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class EventTest {
+ @Test
+ public void testEventToString(){
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ Event event = new Event("return book", LocalDateTime.parse("2000-01-01 2359", formatter));
+ assertEquals("[E][\u2718] return book (at: Jan 1 2000 23:59)", event.toString());
+ }
+
+ @Test
+ public void testSetDone(){
+ DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ Event event = new Event("return book", LocalDateTime.parse("2000-01-01 2359", formatter));
+ assertEquals(false, event.getStatus());
+ event.setDone();
+ assertEquals(true, event.getStatus());
+ }
+}
\ No newline at end of file
diff --git a/src/test/java/TaskTest.java b/src/test/java/TaskTest.java
new file mode 100644
index 0000000000..d976df15d1
--- /dev/null
+++ b/src/test/java/TaskTest.java
@@ -0,0 +1,18 @@
+//package duke;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class TaskTest {
+ @Test
+ public void testToString() {
+ Task task = new Task("return book");
+ assertEquals("[\u2718] return book", task.toString());
+ }
+ @Test
+ public void testGetInstrution() {
+ Task task = new Task("return book");
+ assertEquals("return book", task.getInstruction());
+ }
+}
\ No newline at end of file