diff --git a/.gitignore b/.gitignore
index f69985ef1f..d3c85fa02b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
/.idea/
/out/
/*.iml
+out/artifacts/ip_jar
# Gradle build files
/.gradle/
diff --git a/README.md b/README.md
index 8715d4d915..0f2208ab64 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Duke project template
+# duke.Duke 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).
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/duke.Duke.java` file, right-click it, and choose `Run duke.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:
```
Hello from
____ _
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000000..e3a3b682ee
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,62 @@
+plugins {
+ id 'java'
+ id 'application'
+ id 'checkstyle'
+ id 'com.github.johnrengelman.shadow' version '5.1.0'
+}
+
+repositories {
+ mavenCentral()
+}
+
+dependencies {
+ testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-api', version: '5.5.0'
+ testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine', version: '5.5.0'
+
+ String javaFxVersion = '11'
+
+ implementation group: 'org.openjfx', name: 'javafx-base', version: javaFxVersion, classifier: 'win'
+ implementation group: 'org.openjfx', name: 'javafx-base', version: javaFxVersion, classifier: 'mac'
+ implementation group: 'org.openjfx', name: 'javafx-base', version: javaFxVersion, classifier: 'linux'
+ implementation group: 'org.openjfx', name: 'javafx-controls', version: javaFxVersion, classifier: 'win'
+ implementation group: 'org.openjfx', name: 'javafx-controls', version: javaFxVersion, classifier: 'mac'
+ implementation group: 'org.openjfx', name: 'javafx-controls', version: javaFxVersion, classifier: 'linux'
+ implementation group: 'org.openjfx', name: 'javafx-fxml', version: javaFxVersion, classifier: 'win'
+ implementation group: 'org.openjfx', name: 'javafx-fxml', version: javaFxVersion, classifier: 'mac'
+ implementation group: 'org.openjfx', name: 'javafx-fxml', version: javaFxVersion, classifier: 'linux'
+ implementation group: 'org.openjfx', name: 'javafx-graphics', version: javaFxVersion, classifier: 'win'
+ implementation group: 'org.openjfx', name: 'javafx-graphics', version: javaFxVersion, classifier: 'mac'
+ implementation group: 'org.openjfx', name: 'javafx-graphics', version: javaFxVersion, classifier: 'linux'
+}
+
+test {
+ useJUnitPlatform()
+
+ testLogging {
+ events "passed", "skipped", "failed"
+
+ showExceptions true
+ exceptionFormat "full"
+ showCauses true
+ showStackTraces true
+ showStandardStreams = false
+ }
+}
+
+application {
+ mainClassName = "duke.Launcher"
+}
+
+shadowJar {
+ archiveBaseName = "duke"
+ archiveClassifier = null
+}
+
+checkstyle {
+ toolVersion = '8.29'
+}
+
+run {
+ standardInput = System.in
+ enableAssertions = true
+}
diff --git a/docs/README.md b/docs/README.md
index 8077118ebe..c33a7dc818 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,29 +1,278 @@
# User Guide
+Duke is a personal assistant chatbot that will help you keep track of various things.
+It is optimized for use via a Command Line Interface (CLI) while still having the benefits of a Graphical
+User Interface (GUI).
+
+
+
## Features
-### Feature-ABC
+1) Add tasks with deadline
+2) Add todos
+3) Add events
+4) Edit tasks
+5) View the task list
+6) Mark tasks as done
+7) Delete tasks
+8) Find tasks by keyword
+9) Clone tasks
+
+### Storage file
+
+Store the task list in a local file.
-Description of the feature.
+### Add, Edit, View, Delete, Find
-### Feature-XYZ
+Add, Edit, View, Delete, Clone and Find tasks.
-Description of the feature.
+### Mark as done
+
+Mark tasks as done once the task is completed.
## Usage
-### `Keyword` - Describe action
+### Adding a todo: `todo `
-Describe the action and its outcome.
+Adds a task of type todo to the task list.
Example of usage:
-`keyword (optional arguments)`
+`todo purchase laptop`
+
+Expected outcome:
+
+The task is added to the task list.
+
+```
+Got it. I've added this task:
+[T][] purchase laptop
+Now you have 1 task(s) in the list.
+```
+
+### Adding a deadline: `deadline /by `
+
+Adds a task of type deadline to the task list.
+
+Example of usage:
+
+`deadline CS2103T iP/by 2021-09-20 2359`
Expected outcome:
-Description of the outcome.
+The task is added to the task list.
```
-expected output
+Got it. I've added this task:
+[D][] CS2103T iP (by: Sep 20 2021, 11 PM)
+Now you have 2 task(s) in the list.
```
+
+### Adding an event: `event /at `
+
+Adds a task of type event to the task list.
+
+Example of usage:
+
+`event concert/at 2021-09-25 1800`
+
+Expected outcome:
+
+The task is added to the task list.
+
+```
+Got it. I've added this task:
+[E][] concert (at: Sep 25 2021, 6 PM)
+Now you have 3 task(s) in the list.
+```
+
+### Viewing the task list: `list`
+
+View the current task list.
+
+Example of usage:
+
+`list`
+
+Expected outcome:
+
+The task list is printed on the screen.
+
+```
+1. [T][] purchase laptop
+2. [D][] CS2103T iP (by: Sep 20 2021, 11 PM)
+3. [E][] concert (at: Sep 25 2021, 6 PM)
+```
+
+### Finding tasks with a keyword: `find `
+
+Finds task(s) in the task list that contain the keyword.
+
+Example of usage:
+
+`find laptop`
+
+Expected outcome:
+
+Tasks containing the keyword 'laptop' in their description will be displayed.
+
+```
+Here are the matching task(s) in your list:
+1. [T][] purchase laptop
+```
+
+### Marking tasks as done: `done `
+
+Marks task as complete. The task index refers to number this task is associated
+to in the task list.
+
+Example of usage:
+
+`done 1`
+
+Expected outcome:
+
+The first task in the task list is marked as done. [X] denotes that the task is done.
+
+```
+Nice! I've marked this task as done:
+[T][X] purchase laptop
+```
+
+### Deleting tasks: `delete `
+
+Deletes task in the task list. The task index refers to the number this task is associated
+to in the task list.
+
+Example of usage:
+
+`delete 1`
+
+Expected outcome:
+
+The first task in the task list is deleted.
+
+```
+Noted. I've removed this task:
+[T][X] purchase laptop
+Now you have 2 tasks in the list.
+```
+
+### Cloning tasks: `clone `
+
+Clones task in the task list and adds it to the task list. The task index refers to the number
+this task is associated to in the task list.
+
+Example of usage:
+
+`clone 1`
+
+Expected outcome:
+
+The first task in the task list is cloned and added to the task list.
+
+```
+Task 1 from the task list has been cloned! Here is
+the latest task list:
+1. [D][] CS2103T iP (by: Sep 20 2021, 11 PM)
+2. [E][] concert (at: Sep 25 2021, 6 PM)
+3. [D][] CS2103T iP (by: Sep 20 2021, 11 PM)
+```
+
+### Editing tasks: `edit /task `
+
+Replaces the task in the specified task index with the new task. The new task command can be a
+deadline, event or todo. The task index refers to the number this task is associated to in the task list.
+
+Example of usage:
+
+`edit 1/task event football match/at 2021-12-03 1900`
+
+Expected outcome:
+
+The first task in the task list is updated with the new task.
+
+```
+Task 1 in the task list has been updated! Here is
+your latest list:
+1. [E][] football match (by: Dec 3 2021, 7 PM)
+2. [E][] concert (at: Sep 25 2021, 6 PM)
+3. [D][] CS2103T iP (by: Sep 20 2021, 11 PM)
+```
+
+### Editing task descriptions: `edit /description `
+
+Replaces the task description of the task in the specified task index with the new description.
+The task index refers to the number this task is associated to in the task list.
+
+Example of usage:
+
+`edit 1/description badminton match`
+
+Expected outcome:
+
+The first task in the task list is updated with the new task.
+
+```
+The description of Task 1 in the task list has been
+updated! Here is your latest list:
+1. [E][] badminton match (by: Dec 3 2021, 7 PM)
+2. [E][] concert (at: Sep 25 2021, 6 PM)
+3. [D][] CS2103T iP (by: Sep 20 2021, 11 PM)
+```
+
+### Editing task date and time: `edit /datetime `
+
+Replaces the date and time of the task in the specified task index with the new date and time.
+The task in the specified task index has to be a deadline or event task since todos don't have a date and time.
+The task index refers to the number this task is associated to in the task list.
+
+Example of usage:
+
+`edit 1/datetime 2022-01-01 2000`
+
+Expected outcome:
+
+The first task in the task list is updated with the new task.
+
+```
+The DateTime of Task 1 in the task list has been
+updated! Here is your latest list:
+1. [E][] badminton match (by: Jan 1 2022, 8 PM)
+2. [E][] concert (at: Sep 25 2021, 6 PM)
+3. [D][] CS2103T iP (by: Sep 20 2021, 11 PM)
+```
+
+### Exiting the application: `bye`
+
+Terminates and closes the application window.
+
+Example of usage:
+
+`bye`
+
+Expected outcome:
+
+The application displays the message 'Bye. Have a great day!' and then exits. The application window closes.
+
+```
+Bye. Have a great day!
+```
+
+## Command summary
+
+Command | Format | Example
+------------ | ------------- | -------------
+todo | ```todo ``` | ```todo homework```
+event | ```event /at ``` | ```event concert/at 2021-03-04 1900```
+deadline | ```deadline /by ``` | ```deadline assignment/by 2021-09-20 2359```
+list | ```list``` | ```list```
+done | ```done ``` | ```done 2```
+delete | ```delete ``` | ```delete 2```
+find | ```find ``` | ```find assignment```
+edit task | ```edit /task ``` | ```edit 2/task deadline worksheet/by 2021-10-10 1000```
+edit description | ```edit /description ``` | ```edit 1/description CS2103T iP```
+edit date and/or time | ```edit /datetime ``` | ```edit 3/datetime 2022-03-08 2300```
+clone | ```clone ``` | ```clone 1```
+bye | ```bye``` | ```bye```
+
\ No newline at end of file
diff --git a/docs/Ui.png b/docs/Ui.png
new file mode 100644
index 0000000000..c15e5c62da
Binary files /dev/null and b/docs/Ui.png differ
diff --git a/duke.txt b/duke.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000000..f3d88b1c2f
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..b7c8c5dbf5
--- /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-6.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000000..2fe81a7d95
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,183 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+## 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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+ echo "$*"
+}
+
+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 or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; 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=`expr $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"
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000000..62bd9b9cce
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,103 @@
+@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=.
+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%" == "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/java/Duke.java b/src/main/java/Duke.java
deleted file mode 100644
index 5d313334cc..0000000000
--- a/src/main/java/Duke.java
+++ /dev/null
@@ -1,10 +0,0 @@
-public class Duke {
- public static void main(String[] args) {
- String logo = " ____ _ \n"
- + "| _ \\ _ _| | _____ \n"
- + "| | | | | | | |/ / _ \\\n"
- + "| |_| | |_| | < __/\n"
- + "|____/ \\__,_|_|\\_\\___|\n";
- System.out.println("Hello from\n" + logo);
- }
-}
diff --git a/src/main/java/META-INF/MANIFEST.MF b/src/main/java/META-INF/MANIFEST.MF
new file mode 100644
index 0000000000..6e864153e8
--- /dev/null
+++ b/src/main/java/META-INF/MANIFEST.MF
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+Main-Class: duke.Duke
+
diff --git a/src/main/java/duke/DialogBox.java b/src/main/java/duke/DialogBox.java
new file mode 100644
index 0000000000..c43e121bbd
--- /dev/null
+++ b/src/main/java/duke/DialogBox.java
@@ -0,0 +1,62 @@
+package duke;
+
+import java.io.IOException;
+import java.util.Collections;
+
+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;
+
+/**
+ * An example of a custom control using FXML.
+ * This control represents a dialog box consisting of an ImageView to represent the speaker's face and a label
+ * containing text from the speaker.
+ */
+public class DialogBox extends HBox {
+ @FXML
+ private Label dialog;
+ @FXML
+ private ImageView displayPicture;
+
+ private DialogBox(String text, Image img) {
+ try {
+ FXMLLoader fxmlLoader = new FXMLLoader(MainWindow.class.getResource("/view/DialogBox.fxml"));
+ fxmlLoader.setController(this);
+ fxmlLoader.setRoot(this);
+ fxmlLoader.load();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ dialog.setText(text);
+ dialog.setMinWidth(265);
+ 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;
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/duke/Duke.java b/src/main/java/duke/Duke.java
new file mode 100644
index 0000000000..00fc45ae49
--- /dev/null
+++ b/src/main/java/duke/Duke.java
@@ -0,0 +1,52 @@
+package duke;
+
+import duke.exception.DukeException;
+import duke.task.TaskList;
+import duke.command.Command;
+
+public class Duke {
+ private Storage storage;
+ private TaskList taskList;
+ private Ui ui;
+
+ public Duke() {
+ taskList = new TaskList();
+ storage = new Storage("./duke.txt");
+ storage.loadTaskListData(taskList);
+ ui = new Ui(taskList, storage);
+ }
+
+ public void runCLI() throws DukeException {
+ this.ui.showWelcome();
+ Ui.showLine();
+
+ boolean isExit = false;
+ while (!isExit) {
+ String command = ui.getCommand();
+ Parser parser = new Parser(command);
+ if (parser.isExit()) {
+ break;
+ }
+ Command c = parser.parse();
+ c.execute(taskList, storage);
+ isExit = parser.isExit();
+ }
+ }
+
+ public static void main(String[] args) throws DukeException {
+ new Duke().runCLI();
+ }
+
+ public String getResponse(String input) throws DukeException {
+ Parser parser = new Parser(input);
+ if (parser.isExit()) {
+ assert (input.equals("bye") || input.equals("")): "input should be either bye or an empty string";
+ String response = Ui.sayBye();
+ return response;
+ }
+
+ Command c = parser.parse();
+ String response = c.execute(this.taskList, this.storage);
+ return response;
+ }
+}
diff --git a/src/main/java/duke/Launcher.java b/src/main/java/duke/Launcher.java
new file mode 100644
index 0000000000..e4ef6b4628
--- /dev/null
+++ b/src/main/java/duke/Launcher.java
@@ -0,0 +1,12 @@
+package duke;
+
+import javafx.application.Application;
+
+/**
+ * A launcher class to workaround classpath issues.
+ */
+public class Launcher {
+ public static void main(String[] args) {
+ Application.launch(Main.class, args);
+ }
+}
diff --git a/src/main/java/duke/Main.java b/src/main/java/duke/Main.java
new file mode 100644
index 0000000000..588fa7369a
--- /dev/null
+++ b/src/main/java/duke/Main.java
@@ -0,0 +1,34 @@
+package duke;
+
+import java.io.IOException;
+
+import duke.task.TaskList;
+import javafx.application.Application;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.scene.image.Image;
+import javafx.scene.layout.AnchorPane;
+import javafx.stage.Stage;
+
+/**
+ * A GUI for Duke using FXML.
+ */
+public class Main extends Application {
+
+ private Duke duke = new Duke();
+
+ @Override
+ public void start(Stage stage) {
+ try {
+ FXMLLoader fxmlLoader = new FXMLLoader(Main.class.getResource("/view/MainWindow.fxml"));
+ AnchorPane ap = fxmlLoader.load();
+ Scene scene = new Scene(ap);
+ stage.setScene(scene);
+ fxmlLoader.getController().setDuke(duke);
+ stage.show();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/src/main/java/duke/MainWindow.java b/src/main/java/duke/MainWindow.java
new file mode 100644
index 0000000000..dca39418a4
--- /dev/null
+++ b/src/main/java/duke/MainWindow.java
@@ -0,0 +1,87 @@
+package duke;
+
+import duke.exception.DukeException;
+import duke.task.TaskList;
+
+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.application.Platform;
+
+import java.util.Timer;
+import java.util.TimerTask;
+
+/**
+ * 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 Image userImage = new Image(this.getClass().getResourceAsStream("/images/anonymous.png"));
+ private Image dukeImage = new Image(this.getClass().getResourceAsStream("/images/duke_img.png"));
+
+ @FXML
+ public void initialize() {
+ scrollPane.vvalueProperty().bind(dialogContainer.heightProperty());
+
+ TaskList taskList = new TaskList();
+ Storage storage = new Storage("./duke.txt");
+ storage.loadTaskListData(taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ String welcomeMessage = ui.showWelcome();
+
+ dialogContainer.getChildren().addAll(
+ DialogBox.getDukeDialog(welcomeMessage, dukeImage)
+ );
+ }
+
+ public void setDuke(Duke d) {
+ duke = d;
+ }
+
+ /**
+ * Creates two dialog boxes, one echoing user input and the other containing Duke's reply and then appends them to
+ * the dialog container. Clears the user input after processing.
+ */
+ @FXML
+ private void handleUserInput() throws DukeException {
+ String input = userInput.getText();
+ String response = duke.getResponse(input);
+ dialogContainer.getChildren().addAll(
+ DialogBox.getUserDialog(input, userImage),
+ DialogBox.getDukeDialog(response, dukeImage)
+ );
+
+ if (input.equals("bye")) {
+ exitIfByeInput();
+ }
+
+ userInput.clear();
+ }
+
+ private void exitIfByeInput() {
+ int time = 1000;
+ TimerTask timerTask = new TimerTask() {
+ public void run() {
+ Platform.exit();
+ System.exit(0);
+ }
+ };
+
+ new Timer().schedule(timerTask, time);
+ }
+}
diff --git a/src/main/java/duke/Parser.java b/src/main/java/duke/Parser.java
new file mode 100644
index 0000000000..dc43c771d9
--- /dev/null
+++ b/src/main/java/duke/Parser.java
@@ -0,0 +1,73 @@
+package duke;
+
+import duke.command.Command;
+import duke.command.EditCommand;
+import duke.command.InvalidCommand;
+import duke.command.CloneCommand;
+import duke.command.DeadlineCommand;
+import duke.command.DoneCommand;
+import duke.command.DeleteCommand;
+import duke.command.FindCommand;
+import duke.command.EventCommand;
+import duke.command.TodoCommand;
+import duke.command.ListCommand;
+
+/**
+ * Deals with making sense of the user command.
+ */
+public class Parser {
+ private String command;
+
+ /**
+ * Represents a constructor for the Parser class where the user command is initialized.
+ *
+ * @param command Command typed the user.
+ */
+ public Parser(String command) {
+ this.command = command;
+ }
+
+ /**
+ * Returns the instance of the type of command entered by the user.
+ *
+ * @return Command object.
+ */
+ public Command parse() {
+ int len = command.length();
+ if (command.equals("list")) {
+ return new ListCommand(command);
+ } else if (command.startsWith("done") && Character.isDigit(command.charAt(len - 1))) {
+ return new DoneCommand(command);
+ } else if (command.startsWith("todo")) {
+ return new TodoCommand(command);
+ } else if (command.startsWith("deadline")) {
+ return new DeadlineCommand(command);
+ } else if (command.startsWith("event")) {
+ return new EventCommand(command);
+ } else if (command.startsWith("delete")) {
+ return new DeleteCommand(command);
+ } else if (command.startsWith("find")) {
+ return new FindCommand(command);
+ } else if (command.startsWith("edit")) {
+ return new EditCommand(command);
+ } else if (command.startsWith("clone")) {
+ return new CloneCommand(command);
+ } else {
+ return new InvalidCommand(command);
+ }
+ }
+
+ /**
+ * Checks if the user types the command 'bye' or clicks 'enter' without typing any command.
+ *
+ * @return true or false.
+ */
+ public boolean isExit() {
+ if (command.equals("bye") || command.equals("")) {
+ Ui.sayBye();
+ Ui.showLine();
+ return true;
+ }
+ return false;
+ }
+}
diff --git a/src/main/java/duke/Storage.java b/src/main/java/duke/Storage.java
new file mode 100644
index 0000000000..c7af820d86
--- /dev/null
+++ b/src/main/java/duke/Storage.java
@@ -0,0 +1,104 @@
+package duke;
+
+import duke.task.TaskList;
+import duke.task.Task;
+import duke.task.Event;
+import duke.task.Deadline;
+import duke.task.Todo;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Scanner;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Deals with loading tasks from the file and saving tasks in the file (duke.txt).
+ */
+public class Storage {
+ private String filepath;
+ private File file;
+
+ /**
+ * Represents a constructor for the Storage class where the filepath is initialized.
+ *
+ * @param filepath Filepath of the file (duke.txt) where the task data is stored.
+ */
+ public Storage(String filepath) {
+ this.filepath = filepath;
+ try {
+ File file = new File(filepath);
+ if (!file.exists()) {
+ file.createNewFile();
+ }
+ this.file = file;
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * Loads the task data from the duke.txt storage file into the task list.
+ *
+ * @param taskList TaskList where the tasks are stored.
+ */
+ public void loadTaskListData(TaskList taskList) {
+ try {
+ Scanner s = new Scanner(this.file);
+ while (s.hasNext()) {
+ String str = s.nextLine();
+ String[] parts = str.split("\\|", 4);
+ String taskType = parts[0].substring(3).trim();
+
+ addTaskToTaskList(parts, taskList, taskType);
+ }
+
+ } catch (FileNotFoundException e) {
+ e.printStackTrace();
+ }
+ }
+
+ private void addTaskToTaskList(String[] parts, TaskList taskList, String taskType) {
+ Task task = null;
+ DateTimeFormatter dtf = DateTimeFormatter.ofPattern("MMM d yyyy, h a");
+
+ if (taskType.equals("duke.task.Todo")) {
+ task = new Todo(parts[2].trim());
+ } else if (taskType.equals("duke.task.Deadline")) {
+ LocalDateTime dateTime = LocalDateTime.parse(parts[3].substring(5).trim(), dtf);
+ task = new Deadline(parts[2].trim(), dateTime);
+ } else if (taskType.equals("duke.task.Event")) {
+ LocalDateTime dateTime = LocalDateTime.parse(parts[3].substring(5).trim(), dtf);
+ task = new Event(parts[2].trim(), dateTime);
+ }
+
+ if (task != null) {
+ if (parts[1].trim().equals("X")) {
+ task.markAsDone();
+ }
+ taskList.addTask(task);
+ }
+ }
+
+ /**
+ * Writes the task data to the duke.txt file whenever the task list is updated.
+ *
+ * @param filePath Filepath of the file (duke.txt) where the task data is stored.
+ * @param taskList TaskList where the tasks are stored.
+ */
+ public void writeToFile(String filePath, TaskList taskList) {
+ try {
+ FileWriter fw = new FileWriter(filePath);
+ for (int i = 0; i < taskList.getSize(); i++) {
+ int num = i + 1;
+ fw.write(num + ". " + taskList.getTask(i).getTaskListOnDisk() + "\n");
+ }
+ fw.close();
+
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/src/main/java/duke/Ui.java b/src/main/java/duke/Ui.java
new file mode 100644
index 0000000000..7e1aacba8d
--- /dev/null
+++ b/src/main/java/duke/Ui.java
@@ -0,0 +1,221 @@
+package duke;
+
+import duke.task.Task;
+import duke.task.TaskList;
+
+import java.util.Scanner;
+
+/**
+ * Represents the user interface which deals with interactions with the user.
+ */
+public class Ui {
+ Scanner sc;
+ private static TaskList taskList;
+ private static Storage storage;
+
+ /**
+ * Represents a constructor for the Ui class where variables are initialized.
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ */
+ public Ui(TaskList taskList, Storage storage) {
+ sc = new Scanner(System.in);
+ this.taskList = taskList;
+ this.storage = storage;
+ }
+
+ /**
+ * Returns the command typed by the user.
+ * If the user doesn't type any command and clicks enter, an empty string is returned.
+ *
+ * @return String representation of the command entered by the user.
+ */
+ public String getCommand() {
+ if (sc.hasNextLine()) {
+ String str = sc.nextLine();
+ return str;
+ }
+ return "";
+ }
+
+ /**
+ * Returns the appropriate welcome message along with the existing task list when duke starts up.
+ *
+ * @return String representation of welcome commands and the current task list.
+ */
+ public String showWelcome() {
+ String welcomeMessage = "Hello from duke :)) \n\n" + "Here is your current task list: \n" + showLine() + "\n"
+ + this.taskList.printList() + "\n" + showLine() + "\nEnd of task list \n\n" + "How can I help you?";
+ printInput(welcomeMessage);
+ return welcomeMessage;
+ }
+
+ /**
+ * Returns the string response to the bye command.
+ *
+ * @return String response to the bye command.
+ */
+ public static String sayBye() {
+ String byeMessage = "Bye. Have a great day!";
+ printInput(byeMessage);
+ return byeMessage;
+ }
+
+ /**
+ * Returns a dashed line to enhance the user interface.
+ *
+ * @return String representation of a dashed line.
+ */
+ public static String showLine() {
+ String line = "-----------------------------------------------";
+ printInput(line);
+ return line;
+ }
+
+ /**
+ * Returns a string value argument that is displayed on the screen.
+ *
+ * @param msg String value to be printed on the screen.
+ * @return String value to be printed on the screen.
+ */
+ public static String printInput(String msg) {
+ System.out.println(msg);
+ return msg;
+ }
+
+ /**
+ * Returns the string response to the task command.
+ *
+ * @param task Task object.
+ * @return String representation of the task as well as the number of tasks in the task list.
+ */
+ public String taskResponse(Task task) {
+ String taskMessage = "Got it. I've added this task:" + System.lineSeparator() + task.toString()
+ + System.lineSeparator() + "Now you have " + taskList.getSize() + " task(s) in the list.";
+ printInput(taskMessage);
+ return taskMessage;
+ }
+
+ /**
+ * Returns the string response to the done command.
+ *
+ * @param task Task object.
+ * @return String representation of the task that is done by the user.
+ */
+ public String doneResponse(Task task) {
+ String doneMessage = "Nice! I've marked this task as done:" + System.lineSeparator() + task.toString();
+ printInput(doneMessage);
+ return doneMessage;
+ }
+
+ /**
+ * Returns the string response to the delete command.
+ *
+ * @param task Task object.
+ * @return String representation of the task that is deleted by the user as well as the number of tasks
+ * remaining in the task list.
+ */
+ public String deleteResponse(Task task) {
+ String deleteMessage = "Noted. I've removed this task:" + System.lineSeparator() + task.toString()
+ + System.lineSeparator() + "Now you have " + taskList.getSize() + " task(s) in the list.";
+ printInput(deleteMessage);
+ return deleteMessage;
+ }
+
+ private static boolean isWordPresent(String[] furtherBreakdownIntoParts, String wordToFind) {
+ for (int j = 0; j < furtherBreakdownIntoParts.length; j++) {
+ if (wordToFind.equals(furtherBreakdownIntoParts[j].trim())) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Returns the string response to the find command.
+ *
+ * @param wordToFind String value of the keyword.
+ * @param taskList TaskList object.
+ * @return String representation of the tasks in the task list that contain the wordToFind string.
+ */
+ public String findResponse(String wordToFind, TaskList taskList) {
+ int count = 1;
+ String response = "";
+
+ for (int i = 0; i < taskList.getSize(); i++) {
+ Task task = taskList.getTask(i);
+ String[] partsBeforeSlash = task.toString().split("\\(", 2);
+ String[] furtherBreakdownIntoParts = partsBeforeSlash[0].split(" ");
+
+ if (isWordPresent(furtherBreakdownIntoParts, wordToFind)) {
+ response += (i + 1) + ". " + task + "\n";
+ System.lineSeparator();
+ count++;
+ }
+ }
+
+ assert count > 0: "count should be greater than 0";
+
+ if (count == 1) {
+ String message = printInput("Sorry, there are no matching tasks in your list :/");
+ return message;
+ }
+
+ String findMessage = "Here are the matching task(s) in your list:" + System.lineSeparator() + response;
+ printInput(findMessage);
+ return findMessage;
+ }
+
+ /**
+ * Returns the string response to the clone command.
+ *
+ * @param value Number that the task is associated to in the task list.
+ * @return String representation of the updated task list containing the cloned item.
+ */
+ public String cloneResponse(int value) {
+ String response = "Task " + value + " from the task list has been cloned!" + " Here is the latest task "
+ + "list: \n" + taskList.printList();
+ printInput(response);
+ return response;
+ }
+
+ /**
+ * Returns the string response to the edit task command.
+ *
+ * @param value Number that the task is associated to in the task list.
+ * @return String representation of the updated task list containing the new task.
+ */
+ public String editTaskResponse(int value) {
+ String response = "Task " + value + " in your task list has been updated! Here is your latest list: \n"
+ + taskList.printList();
+ printInput(response);
+ return response;
+ }
+
+ /**
+ * Returns the string response to the edit description command.
+ *
+ * @param value Number that the task is associated to in the task list.
+ * @return String representation of the task list with updated description.
+ */
+ public String editDescriptionResponse(int value) {
+ String response = "The description of Task " + value + " in your task list has been updated! Here is your "
+ + "latest list: " + "\n" + taskList.printList();
+ printInput(response);
+ return response;
+ }
+
+ /**
+ * Returns the string response to the edit datetime command.
+ *
+ * @param value Number that the task is associated to in the task list.
+ * @return String representation of the task list with updated date and time attributes.
+ */
+ public String editDateTimeResponse(int value) {
+ String response = "The DateTime of Task " + value + " in your task list has been updated! Here is your latest list: "
+ + "\n" + taskList.printList();
+ printInput(response);
+ return response;
+ }
+}
diff --git a/src/main/java/duke/command/CloneCommand.java b/src/main/java/duke/command/CloneCommand.java
new file mode 100644
index 0000000000..1e7258ded6
--- /dev/null
+++ b/src/main/java/duke/command/CloneCommand.java
@@ -0,0 +1,62 @@
+package duke.command;
+
+import duke.Storage;
+import duke.Ui;
+import duke.exception.DukeException;
+import duke.exception.EmptyDescriptionException;
+import duke.exception.TaskNotFoundException;
+import duke.task.Task;
+import duke.task.TaskList;
+
+/**
+ * Represents the user command when the user clones a task in the task list.
+ */
+public class CloneCommand extends Command {
+ private String command;
+ private Storage storage;
+
+ /**
+ * Represents a constructor for the CloneCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public CloneCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is a clone command";
+ }
+
+ /**
+ * Executes the response when the user clones a task in the task list.
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the updated task list.
+ * @throws DukeException If command doesn't have a description or is in invalid format.
+ */
+ public String execute(TaskList taskList, Storage storage) throws DukeException {
+ if (command.trim().length() <= 5) {
+ throw new EmptyDescriptionException();
+ }
+
+ int value = Integer.parseInt(command.replaceAll("[^0-9]", ""));
+ if (value > taskList.getSize() || value < 0) {
+ throw new TaskNotFoundException();
+ }
+
+ Task task = taskList.getTask(value - 1);
+ taskList.addTask(task);
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ return ui.cloneResponse(value);
+ }
+}
diff --git a/src/main/java/duke/command/Command.java b/src/main/java/duke/command/Command.java
new file mode 100644
index 0000000000..e640e5e457
--- /dev/null
+++ b/src/main/java/duke/command/Command.java
@@ -0,0 +1,31 @@
+package duke.command;
+
+import duke.Storage;
+import duke.exception.DukeException;
+import duke.task.TaskList;
+
+/**
+ * Represents the various types of commands that can be entered by the user.
+ */
+public abstract class Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the Command class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public Command(String command) {
+ this.command = command;
+ }
+
+ /**
+ * Represents Duke's response to various types of user commands.
+ *
+ * @param taskList TaskList where the tasks are stored.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String response to various types of commands.
+ * @throws DukeException If there is an error.
+ */
+ public abstract String execute(TaskList taskList, Storage storage) throws DukeException;
+}
diff --git a/src/main/java/duke/command/DeadlineCommand.java b/src/main/java/duke/command/DeadlineCommand.java
new file mode 100644
index 0000000000..31ca8c24e6
--- /dev/null
+++ b/src/main/java/duke/command/DeadlineCommand.java
@@ -0,0 +1,85 @@
+package duke.command;
+
+import duke.task.Deadline;
+import duke.task.Task;
+import duke.task.TaskList;
+import duke.Storage;
+import duke.exception.EmptyDescriptionException;
+import duke.exception.DukeException;
+import duke.exception.InvalidDateTimeException;
+import duke.exception.InvalidTaskCommandException;
+import duke.Ui;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
+/**
+ * Represents the user command when the user adds a deadline to the task list.
+ */
+public class DeadlineCommand extends Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the DeadlineCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public DeadlineCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is a deadline command";
+ }
+
+ /**
+ * Executes the response when the user enters a deadline command and updates the task list and storage
+ * file (duke.txt)
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the new deadline task as well as the number of tasks in the task list.
+ * @throws DukeException If user doesn't provide a description for the command or enters the command in an
+ * invalid format.
+ */
+ public String execute(TaskList taskList, Storage storage) throws DukeException {
+ if (command.trim().length() <= 8) {
+ throw new EmptyDescriptionException();
+ }
+
+ String[] parts = command.split("/", 2);
+ if (parts.length <= 1) {
+ throw new InvalidTaskCommandException();
+ }
+
+ if (parts[1].trim().equals("") || !parts[1].startsWith("by ")) {
+ throw new InvalidTaskCommandException();
+ }
+
+ try {
+ DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ LocalDateTime dateTime = LocalDateTime.parse(parts[1].substring(3).trim(), dtf);
+
+ Task task = new Deadline(parts[0].substring(9), dateTime);
+ taskList.addTask(task);
+ assert taskList.getTask(taskList.getSize() - 1).equals(task): "last element in the task list should be "
+ + "equivalent to the most recently added task";
+
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ String response = ui.taskResponse(task);
+ return response;
+
+ } catch (DateTimeParseException e) {
+ throw new InvalidDateTimeException();
+ }
+ }
+}
diff --git a/src/main/java/duke/command/DeleteCommand.java b/src/main/java/duke/command/DeleteCommand.java
new file mode 100644
index 0000000000..a1a5d20dbb
--- /dev/null
+++ b/src/main/java/duke/command/DeleteCommand.java
@@ -0,0 +1,68 @@
+package duke.command;
+
+import duke.exception.DukeException;
+import duke.exception.EmptyDescriptionException;
+import duke.exception.TaskNotFoundException;
+import duke.task.Task;
+import duke.task.TaskList;
+import duke.Storage;
+import duke.Ui;
+
+/**
+ * Represents the user command when the user tries to delete a task from the task list.
+ */
+public class DeleteCommand extends Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the DeleteCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public DeleteCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is a delete command";
+ }
+
+ /**
+ * Executes the response when the user enters a delete command and updates the task list and storage
+ * file (duke.txt)
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the task that is deleted by the user as well as the number of
+ * tasks remaining in the task list.
+ * @throws DukeException If user doesn't provide a description for the command or tries to access a task
+ * that doesn't exist.
+ */
+ public String execute(TaskList taskList, Storage storage) throws DukeException {
+ if (command.trim().length() <= 6) {
+ throw new EmptyDescriptionException();
+ }
+
+ int value = Integer.parseInt(command.replaceAll("[^0-9]", ""));
+ if (value > taskList.getSize() || value < 0) {
+ throw new TaskNotFoundException();
+ }
+
+ Task task = taskList.getTask(value-1);
+ taskList.removeTask(value-1);
+ boolean isTaskPresent = taskList.isTaskPresent(task);
+ assert isTaskPresent == false: "isTaskPresent should be false since the task is removed from the task list";
+
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ String response = ui.deleteResponse(task);
+ return response;
+ }
+}
diff --git a/src/main/java/duke/command/DoneCommand.java b/src/main/java/duke/command/DoneCommand.java
new file mode 100644
index 0000000000..ec8b5cd71b
--- /dev/null
+++ b/src/main/java/duke/command/DoneCommand.java
@@ -0,0 +1,66 @@
+package duke.command;
+
+import duke.exception.DukeException;
+import duke.exception.EmptyDescriptionException;
+import duke.exception.TaskNotFoundException;
+import duke.task.Task;
+import duke.task.TaskList;
+import duke.Storage;
+import duke.Ui;
+
+/**
+ * Represents the user command when the user is done with a task in the task list.
+ */
+public class DoneCommand extends Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the DoneCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public DoneCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is a done command";
+ }
+
+ /**
+ * Executes the response when the user enters a done command and updates the task list and storage
+ * file (duke.txt)
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the task that is done by the user.
+ * @throws DukeException If user doesn't provide a description for the command or tries to access a task
+ * that doesn't exist.
+ */
+ public String execute(TaskList taskList, Storage storage) throws DukeException {
+ if (command.trim().length() <= 4) {
+ throw new EmptyDescriptionException();
+ }
+
+ int value = Integer.parseInt(command.replaceAll("[^0-9]", ""));
+ if (value > taskList.getSize() || value < 0) {
+ throw new TaskNotFoundException();
+ }
+
+ Task task = taskList.getTask(value - 1);
+ task.markAsDone();
+ assert task.getStatusIcon().equals("X"): "Since the task is marked as done, the status icon returned should be X";
+
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ String response = ui.doneResponse(task);
+ return response;
+ }
+}
diff --git a/src/main/java/duke/command/EditCommand.java b/src/main/java/duke/command/EditCommand.java
new file mode 100644
index 0000000000..31c648ecec
--- /dev/null
+++ b/src/main/java/duke/command/EditCommand.java
@@ -0,0 +1,185 @@
+package duke.command;
+
+import duke.Ui;
+import duke.task.Task;
+import duke.task.TaskList;
+import duke.task.Todo;
+import duke.task.Deadline;
+import duke.task.Event;
+import duke.Storage;
+import duke.exception.EmptyDescriptionException;
+import duke.exception.DukeException;
+import duke.exception.InvalidDateTimeException;
+import duke.exception.InvalidTaskCommandException;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
+/**
+ * Represents the user command when the user edits an item in the task list.
+ */
+public class EditCommand extends Command {
+ private String command;
+ private Storage storage;
+
+ /**
+ * Represents a constructor for the EditCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public EditCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is an edit command";
+ }
+
+ /**
+ * Executes the response when the user enters an edit command to edit a task in the task list.
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the updated task list.
+ * @throws DukeException If there is an error.
+ */
+ public String execute(TaskList taskList, Storage storage) throws DukeException {
+ if (command.trim().length() <= 4) {
+ throw new EmptyDescriptionException();
+ }
+
+ String[] parts = command.split("/", 2);
+ if (parts.length <= 1) {
+ throw new InvalidTaskCommandException();
+ }
+
+ this.storage = storage;
+ String str = parts[1];
+ if (str.startsWith("description")) {
+ return editDescription(parts, taskList);
+ } else if (str.startsWith("task")) {
+ return editTask(parts, taskList);
+ } else if (str.startsWith("datetime")) {
+ return editDateTime(parts, taskList);
+ } else {
+ throw new InvalidTaskCommandException();
+ }
+ }
+
+ private String editTask(String[] parts, TaskList taskList) throws DukeException {
+ String str = parts[1].substring(5);
+ int index = Integer.parseInt(parts[0].substring(5).trim());
+
+ DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ String[] furtherParts = str.split("/", 2);
+ Task newTask = null;
+
+ try {
+ if (str.startsWith("deadline")) {
+ LocalDateTime dateTime = LocalDateTime.parse(furtherParts[1].substring(3).trim(), dtf);
+ newTask = new Deadline(furtherParts[0].substring(9), dateTime);
+ taskList.modifyTask(newTask, index-1);
+
+ } else if (str.startsWith("event")) {
+ LocalDateTime dateTime = LocalDateTime.parse(furtherParts[1].substring(3).trim(), dtf);
+ newTask = new Event(furtherParts[0].substring(6), dateTime);
+ taskList.modifyTask(newTask, index-1);
+
+ } else if (str.startsWith("todo")) {
+ taskList.modifyTask(new Todo(str.substring(5)), index - 1);
+
+ } else {
+ throw new InvalidTaskCommandException();
+ }
+ } catch (DateTimeParseException e) {
+ throw new InvalidDateTimeException();
+ }
+
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ return ui.editTaskResponse(index);
+ }
+
+ private String editDescription(String[] parts, TaskList taskList) throws InvalidTaskCommandException {
+ String str = parts[1];
+ int index = Integer.parseInt(parts[0].substring(5).trim());
+ Task oldTask = taskList.getTask(index-1);
+ boolean isDone = oldTask.isDone();
+ Task newTask = null;
+
+ if (oldTask.toString().startsWith("[D]") || oldTask.toString().startsWith("[E]")) {
+ String newDescription = str.substring(12);
+ newTask = this.assignNewTask(oldTask, newDescription, oldTask.getDate());
+ taskList.modifyTask(newTask, index-1);
+
+ } else if (oldTask.toString().startsWith("[T]")) {
+ taskList.modifyTask(new Todo(str.substring(12)), index-1);
+
+ } else {
+ throw new InvalidTaskCommandException();
+ }
+
+ if (isDone) {
+ newTask.markAsDone();
+ }
+
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ return ui.editDescriptionResponse(index);
+ }
+
+ private String editDateTime(String[] parts, TaskList taskList) throws DukeException {
+ String str = parts[1];
+ int index = Integer.parseInt(parts[0].substring(5).trim());
+ Task oldTask = taskList.getTask(index-1);
+ boolean isDone = oldTask.isDone();
+ Task newTask = null;
+
+ if (oldTask.toString().startsWith("[D]") || oldTask.toString().startsWith("[E]")) {
+ try {
+ String newDateTime = str.substring(9);
+ DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ LocalDateTime dateTime = LocalDateTime.parse(newDateTime.trim(), dtf);
+
+ String description = oldTask.getDescription();
+ newTask = this.assignNewTask(oldTask, description, dateTime);
+ taskList.modifyTask(newTask, index-1);
+
+ } catch (DateTimeParseException e) {
+ throw new InvalidDateTimeException();
+ }
+
+ } else {
+ throw new InvalidTaskCommandException();
+ }
+
+ if (isDone) {
+ newTask.markAsDone();
+ }
+
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ return ui.editDateTimeResponse(index);
+ }
+
+ private Task assignNewTask(Task oldTask, String description, LocalDateTime dateTime) {
+ Task newTask = null;
+ if (oldTask.toString().startsWith("[D]")) {
+ newTask = new Deadline(description, dateTime);
+
+ } else if (oldTask.toString().startsWith("[E]")) {
+ newTask = new Event(description, dateTime);
+ }
+ return newTask;
+ }
+}
diff --git a/src/main/java/duke/command/EventCommand.java b/src/main/java/duke/command/EventCommand.java
new file mode 100644
index 0000000000..44a824deb2
--- /dev/null
+++ b/src/main/java/duke/command/EventCommand.java
@@ -0,0 +1,84 @@
+package duke.command;
+
+import duke.task.Task;
+import duke.task.TaskList;
+import duke.task.Event;
+import duke.Storage;
+import duke.exception.DukeException;
+import duke.exception.EmptyDescriptionException;
+import duke.exception.InvalidDateTimeException;
+import duke.exception.InvalidTaskCommandException;
+import duke.Ui;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
+/**
+ * Represents the user command when the user adds an event to the task list.
+ */
+public class EventCommand extends Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the EventCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public EventCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is an event command";
+ }
+
+ /**
+ * Executes the response when the user enters an event command and updates the task list and storage
+ * file (duke.txt)
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the new event task as well as the number of tasks in the task list.
+ * @throws DukeException If user doesn't provide a description for the command or enters the command in invalid format.
+ */
+ public String execute(TaskList taskList, Storage storage) throws DukeException {
+ if (command.trim().length() <= 5) {
+ throw new EmptyDescriptionException();
+ }
+
+ String[] parts = command.split("/");
+ if (parts.length <= 1) {
+ throw new InvalidTaskCommandException();
+ }
+
+ if (parts[1].trim().equals("") || !parts[1].startsWith("at ")) {
+ throw new InvalidTaskCommandException();
+ }
+
+ try {
+ DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MM-dd HHmm");
+ LocalDateTime dateTime = LocalDateTime.parse(parts[1].substring(3).trim(), dtf);
+
+ Task task = new Event(parts[0].substring(6), dateTime);
+ taskList.addTask(task);
+ assert taskList.getTask(taskList.getSize() - 1).equals(task): "last element in the task list should be "
+ + "equivalent to the most recently added task";
+
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ String response = ui.taskResponse(task);
+ return response;
+
+ } catch (DateTimeParseException e) {
+ throw new InvalidDateTimeException();
+ }
+ }
+}
diff --git a/src/main/java/duke/command/FindCommand.java b/src/main/java/duke/command/FindCommand.java
new file mode 100644
index 0000000000..73b9c73a26
--- /dev/null
+++ b/src/main/java/duke/command/FindCommand.java
@@ -0,0 +1,55 @@
+package duke.command;
+
+import duke.exception.DukeException;
+import duke.exception.EmptyDescriptionException;
+import duke.task.TaskList;
+import duke.Storage;
+import duke.Ui;
+
+/**
+ * Represents the user command when the user wants to filter tasks that contain a common matching word.
+ */
+public class FindCommand extends Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the FindCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public FindCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is a find command";
+ }
+
+ /**
+ * Executes the response when the user enters a find command
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the filtered tasks in the task list that contain the matching word
+ * entered by the user in the find command.
+ * @throws DukeException If user doesn't provide a description for the find command.
+ */
+ public String execute(TaskList taskList, Storage storage) throws EmptyDescriptionException {
+ if (command.trim().length() <= 4) {
+ throw new EmptyDescriptionException();
+ }
+
+ String[] parts = this.command.split(" ", 2);
+ String wordToFind = parts[1];
+
+ Ui ui = new Ui(taskList, storage);
+ String response = ui.findResponse(wordToFind, taskList);
+ return response;
+ }
+}
diff --git a/src/main/java/duke/command/InvalidCommand.java b/src/main/java/duke/command/InvalidCommand.java
new file mode 100644
index 0000000000..e313d1dc69
--- /dev/null
+++ b/src/main/java/duke/command/InvalidCommand.java
@@ -0,0 +1,45 @@
+package duke.command;
+
+import duke.Ui;
+import duke.task.TaskList;
+import duke.Storage;
+
+/**
+ * Represents the user command when the user enters an invalid command.
+ */
+public class InvalidCommand extends Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the InvalidCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public InvalidCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is an invalid command";
+ }
+
+ /**
+ * Returns an error message when the user enters an invalid command.
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String response to an invalid command.
+ */
+ public String execute(TaskList taskList, Storage storage) {
+ String response = "OOPS!!! I'm sorry, but I don't know what that means :-( \n\n" + "Please refer to the"
+ + " user guide to view all the possible commands and their formats!";
+ Ui.printInput(response);
+ return response;
+ }
+}
diff --git a/src/main/java/duke/command/ListCommand.java b/src/main/java/duke/command/ListCommand.java
new file mode 100644
index 0000000000..ed512ee795
--- /dev/null
+++ b/src/main/java/duke/command/ListCommand.java
@@ -0,0 +1,42 @@
+package duke.command;
+
+import duke.task.TaskList;
+import duke.Storage;
+
+/**
+ * Represents the user command when the user wants to view the task list.
+ */
+public class ListCommand extends Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the ListCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public ListCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is a list command";
+ }
+
+ /**
+ * Returns the task list when the user enters the list command.
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the task list.
+ */
+ public String execute(TaskList taskList, Storage storage) {
+ String response = taskList.printList();
+ return response;
+ }
+}
diff --git a/src/main/java/duke/command/TodoCommand.java b/src/main/java/duke/command/TodoCommand.java
new file mode 100644
index 0000000000..a829a8c093
--- /dev/null
+++ b/src/main/java/duke/command/TodoCommand.java
@@ -0,0 +1,61 @@
+package duke.command;
+
+import duke.task.Task;
+import duke.task.TaskList;
+import duke.task.Todo;
+import duke.Storage;
+import duke.exception.DukeException;
+import duke.exception.EmptyDescriptionException;
+import duke.Ui;
+
+/**
+ * Represents the user command when the user enters a todo task.
+ */
+public class TodoCommand extends Command {
+ private String command;
+
+ /**
+ * Represents a constructor for the TodoCommand class where the user command is initialized.
+ *
+ * @param command Command entered by the user.
+ */
+ public TodoCommand(String command) {
+ super(command);
+ this.command = command;
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ public String toString() {
+ return "This is a todo command";
+ }
+
+ /**
+ * Executes the response when the user enters a todo command and updates the task list and storage
+ * file (duke.txt)
+ *
+ * @param taskList TaskList that stores the tasks.
+ * @param storage Storage that deals with loading tasks from the file and saving tasks in the file.
+ * @return String representation of the new todo task as well as the number of tasks in the task list.
+ * @throws DukeException If user doesn't provide a description for the todo command.
+ */
+ public String execute(TaskList taskList, Storage storage) throws EmptyDescriptionException {
+ if (command.trim().length() <= 4) {
+ throw new EmptyDescriptionException();
+ }
+
+ Task task = new Todo(command.substring(5));
+ taskList.addTask(task);
+ assert taskList.getTask(taskList.getSize() - 1).equals(task): "last element in the task list should be "
+ + "equivalent to the most recently added task";
+
+ storage.writeToFile("./duke.txt", taskList);
+
+ Ui ui = new Ui(taskList, storage);
+ String response = ui.taskResponse(task);
+ return response;
+ }
+}
diff --git a/src/main/java/duke/exception/DukeException.java b/src/main/java/duke/exception/DukeException.java
new file mode 100644
index 0000000000..cb9769b6e1
--- /dev/null
+++ b/src/main/java/duke/exception/DukeException.java
@@ -0,0 +1,26 @@
+package duke.exception;
+
+/**
+ * Encapsulates the main exception for Duke.
+ */
+public class DukeException extends Exception {
+
+ /**
+ * Represents a constructor for the DukeException class where the exception message is initialized.
+ *
+ * @param message Exception message that is shown to the user.
+ */
+ public DukeException(String message) {
+ super(message);
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ @Override
+ public String toString() {
+ return super.toString();
+ }
+}
diff --git a/src/main/java/duke/exception/EmptyDescriptionException.java b/src/main/java/duke/exception/EmptyDescriptionException.java
new file mode 100644
index 0000000000..3032c624bc
--- /dev/null
+++ b/src/main/java/duke/exception/EmptyDescriptionException.java
@@ -0,0 +1,25 @@
+package duke.exception;
+
+/**
+ * Encapsulates the exception when the user doesn't provide any description for the command.
+ */
+public class EmptyDescriptionException extends DukeException {
+
+ /**
+ * Represents a constructor for the EmptyDescriptionException class.
+ */
+ public EmptyDescriptionException() {
+ super("OOPS!!! The description of this command cannot be empty. Refer to the user guide to view " +
+ "the correct format of this command!");
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ @Override
+ public String toString() {
+ return super.toString();
+ }
+}
diff --git a/src/main/java/duke/exception/InvalidDateTimeException.java b/src/main/java/duke/exception/InvalidDateTimeException.java
new file mode 100644
index 0000000000..a0399d0157
--- /dev/null
+++ b/src/main/java/duke/exception/InvalidDateTimeException.java
@@ -0,0 +1,24 @@
+package duke.exception;
+
+/**
+ * Encapsulates the exception when the user enters an invalid date and time format.
+ */
+public class InvalidDateTimeException extends DukeException {
+
+ /**
+ * Represents a constructor for the InvalidDateTimeException class.
+ */
+ public InvalidDateTimeException() {
+ super("The format of your date and time is incorrect! It should be ");
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ @Override
+ public String toString() {
+ return super.toString();
+ }
+}
diff --git a/src/main/java/duke/exception/InvalidTaskCommandException.java b/src/main/java/duke/exception/InvalidTaskCommandException.java
new file mode 100644
index 0000000000..1be7af5e99
--- /dev/null
+++ b/src/main/java/duke/exception/InvalidTaskCommandException.java
@@ -0,0 +1,25 @@
+package duke.exception;
+
+/**
+ * Encapsulates the exception when the user enters an invalid task command.
+ */
+public class InvalidTaskCommandException extends DukeException {
+
+ /**
+ * Represents a constructor for the InvalidTaskCommandException class.
+ */
+ public InvalidTaskCommandException() {
+ super("Your command is not in the right format! Please refer to the user guide to view"
+ + " the correct format for various types of task commands!");
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ @Override
+ public String toString() {
+ return super.toString();
+ }
+}
diff --git a/src/main/java/duke/exception/TaskNotFoundException.java b/src/main/java/duke/exception/TaskNotFoundException.java
new file mode 100644
index 0000000000..f6b7670741
--- /dev/null
+++ b/src/main/java/duke/exception/TaskNotFoundException.java
@@ -0,0 +1,24 @@
+package duke.exception;
+
+/**
+ * Encapsulates the exception when the user tries to find a task that doesn't exist.
+ */
+public class TaskNotFoundException extends DukeException {
+
+ /**
+ * Represents a constructor for the TaskNotFoundException class.
+ */
+ public TaskNotFoundException() {
+ super("Sorry, the task you are looking for doesn't exist!");
+ }
+
+ /**
+ * Returns the string representation of the class.
+ *
+ * @return String description of the class.
+ */
+ @Override
+ public String toString() {
+ return super.toString();
+ }
+}
diff --git a/src/main/java/duke/task/Deadline.java b/src/main/java/duke/task/Deadline.java
new file mode 100644
index 0000000000..107c8008f0
--- /dev/null
+++ b/src/main/java/duke/task/Deadline.java
@@ -0,0 +1,54 @@
+package duke.task;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Represents a task of type deadline in the task list.
+ */
+public class Deadline extends Task {
+ protected LocalDateTime by;
+ private String formattedDtf;
+
+ /**
+ * Represents a constructor for the Deadline class where the description of task and date are initialized.
+ *
+ * @param description Description of the task.
+ * @param by The date of deadline in yyyy-MM-dd HHmm format.
+ */
+ public Deadline(String description, LocalDateTime by) {
+ super(description);
+ this.by = by;
+
+ DateTimeFormatter dtf = DateTimeFormatter.ofPattern("MMM d yyyy, h a");
+ String formattedDtf = this.by.format(dtf);
+ this.formattedDtf = formattedDtf;
+ }
+
+ /**
+ * Returns the string representation of the deadline task that is stored on duke.txt.
+ *
+ * @return String representation of the deadline task stored on duke.txt.
+ */
+ public String getTaskListOnDisk() {
+ return "duke.task.Deadline |" + super.getStatusIcon() + "| " + description + " | by: " + formattedDtf;
+ }
+
+ /**
+ * Returns the string representation of the deadline task that is stored in the task list.
+ *
+ * @return String description of the deadline task.
+ */
+ @Override
+ public String toString() {
+ return "[D]" + super.toString() + " (by: " + formattedDtf + ")";
+ }
+
+ public String getDescription() {
+ return this.description;
+ }
+
+ public LocalDateTime getDate() {
+ return by;
+ }
+}
diff --git a/src/main/java/duke/task/Event.java b/src/main/java/duke/task/Event.java
new file mode 100644
index 0000000000..ab721b8765
--- /dev/null
+++ b/src/main/java/duke/task/Event.java
@@ -0,0 +1,54 @@
+package duke.task;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+/**
+ * Represents a task of type event in the task list.
+ */
+public class Event extends Task {
+ protected LocalDateTime at;
+ private String formattedDtf;
+
+ /**
+ * Represents a constructor for the Event class where the description of task and date are initialized.
+ *
+ * @param description Description of the task.
+ * @param at The date of the event in yyyy-MM-dd HHmm format.
+ */
+ public Event(String description, LocalDateTime at) {
+ super(description);
+ this.at = at;
+
+ DateTimeFormatter dtf = DateTimeFormatter.ofPattern("MMM d yyyy, h a");
+ String formattedDtf = this.at.format(dtf);
+ this.formattedDtf = formattedDtf;
+ }
+
+ /**
+ * Returns the string representation of the event task that is stored on duke.txt.
+ *
+ * @return String representation of the event task stored on duke.txt.
+ */
+ public String getTaskListOnDisk() {
+ return "duke.task.Event |" + super.getStatusIcon() + "| " + description + " | at: " + formattedDtf;
+ }
+
+ /**
+ * Returns the string representation of the event task that is stored in the task list.
+ *
+ * @return String description of the event task.
+ */
+ @Override
+ public String toString() {
+ return "[E]" + super.toString() + " (at: " + formattedDtf + ")";
+ }
+
+ public String getDescription() {
+ return this.description;
+ }
+
+ public LocalDateTime getDate() {
+ return this.at;
+ }
+}
diff --git a/src/main/java/duke/task/Task.java b/src/main/java/duke/task/Task.java
new file mode 100644
index 0000000000..d163e84fc1
--- /dev/null
+++ b/src/main/java/duke/task/Task.java
@@ -0,0 +1,67 @@
+package duke.task;
+
+import java.time.LocalDateTime;
+
+/**
+ * Represents the various types of tasks that can be added to the task list.
+ */
+public abstract class Task {
+ protected String description;
+ protected boolean isDone;
+
+ /**
+ * Represents a constructor for the Task class where variables are initialized.
+ *
+ * @param description Description of the task.
+ */
+ public Task(String description) {
+ this.description = description;
+ this.isDone = false;
+ }
+
+ /**
+ * Checks if the task has been completed or not.
+ *
+ * @return Either X or an empty string depending on whether the task is completed or not.
+ */
+ public String getStatusIcon() {
+ return (isDone ? "X" : " ");
+ }
+
+ public abstract LocalDateTime getDate();
+
+ public abstract String getDescription();
+
+ /**
+ * Marks the task as completed.
+ */
+ public void markAsDone() {
+ this.isDone = true;
+ }
+
+ /**
+ * Checks if the task is done or not.
+ *
+ * @return true or false.
+ */
+ public boolean isDone() {
+ return this.isDone;
+ }
+
+ /**
+ * Denotes the string representation of the task list that is stored on duke.txt.
+ *
+ * @return String representation of task list stored on duke.txt.
+ */
+ public abstract String getTaskListOnDisk();
+
+ /**
+ * Returns the string representation of the task that is stored in the task list.
+ *
+ * @return String description of the task.
+ */
+ @Override
+ public String toString() {
+ return "[" + this.getStatusIcon() + "]" + " " + this.description;
+ }
+}
diff --git a/src/main/java/duke/task/TaskList.java b/src/main/java/duke/task/TaskList.java
new file mode 100644
index 0000000000..fe925e5b09
--- /dev/null
+++ b/src/main/java/duke/task/TaskList.java
@@ -0,0 +1,103 @@
+package duke.task;
+
+import duke.Ui;
+
+import java.util.ArrayList;
+
+/**
+ * Represents the list of tasks that are added by the user.
+ */
+public class TaskList {
+ private ArrayList userList;
+
+ /**
+ * Represents a constructor for the TaskList class where the task list is initialized as an array list.
+ */
+ public TaskList() {
+ userList = new ArrayList<>();
+ }
+
+ /**
+ * Returns every task in the task list.
+ *
+ * @return String representation of the various tasks (if any) in the task list.
+ */
+ public String printList() {
+ if (userList.isEmpty()) {
+ String response = Ui.printInput("You don't have any tasks in the list!");
+ return response;
+ }
+
+ String response = "";
+ int count = 1;
+ for (int i = 0; i < userList.size(); i++) {
+ Task t = userList.get(i);
+ Ui.printInput(t.toString());
+ response += count + ". " + t + "\n";
+ count++;
+ }
+ return response;
+ }
+
+ /**
+ * Returns the size of the task list.
+ *
+ * @return Number of items in the task list.
+ */
+ public int getSize() {
+ return userList.size();
+ }
+
+ /**
+ * Returns the task at the specified index (val) from the task list.
+ *
+ * @param val Index value.
+ * @return Task object.
+ */
+ public Task getTask(int val) {
+ return userList.get(val);
+ }
+
+ /**
+ * Adds the specified task to the task list.
+ *
+ * @param task Task object.
+ */
+ public void addTask(Task task) {
+ userList.add(task);
+ }
+
+ /**
+ * Removes the task at the specified index (val) from the task list.
+ *
+ * @param val Index value.
+ */
+ public void removeTask(int val) {
+ userList.remove(val);
+ }
+
+ /**
+ * Checks if the specified task is present in the task list.
+ *
+ * @param task Task object.
+ * @return true or false.
+ */
+ public boolean isTaskPresent(Task task) {
+ for (int i = 0; i < userList.size(); i++) {
+ if (userList.get(i).equals(task)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Modifies a specified task in a specific index in the task list.
+ *
+ * @param task Task object.
+ * @param index Integer position of the task in the task list that is to be modified.
+ */
+ public void modifyTask(Task task, int index) {
+ userList.set(index, task);
+ }
+}
diff --git a/src/main/java/duke/task/Todo.java b/src/main/java/duke/task/Todo.java
new file mode 100644
index 0000000000..dbf2d865dc
--- /dev/null
+++ b/src/main/java/duke/task/Todo.java
@@ -0,0 +1,45 @@
+package duke.task;
+
+import java.time.LocalDateTime;
+
+/**
+ * Represents a task of type todo in the task list.
+ */
+public class Todo extends Task {
+
+ /**
+ * Represents a constructor for the Todo class where the description of task is initialized.
+ *
+ * @param description Description of the task.
+ */
+ public Todo(String description) {
+ super(description);
+ }
+
+ /**
+ * Returns the string representation of the todo task that is stored on duke.txt.
+ *
+ * @return String representation of the todo task stored on duke.txt.
+ */
+ public String getTaskListOnDisk() {
+ return "duke.task.Todo |" + super.getStatusIcon() + "| " + description;
+ }
+
+ /**
+ * Returns the string representation of the todo task that is stored in the task list.
+ *
+ * @return String description of the todo task.
+ */
+ @Override
+ public String toString() {
+ return "[T]" + super.toString();
+ }
+
+ public LocalDateTime getDate() {
+ return null;
+ }
+
+ public String getDescription() {
+ return this.description;
+ }
+}
diff --git a/src/main/resources/images/DaDuke.png b/src/main/resources/images/DaDuke.png
new file mode 100644
index 0000000000..d893658717
Binary files /dev/null and b/src/main/resources/images/DaDuke.png differ
diff --git a/src/main/resources/images/DaUser.png b/src/main/resources/images/DaUser.png
new file mode 100644
index 0000000000..3c82f45461
Binary files /dev/null and b/src/main/resources/images/DaUser.png differ
diff --git a/src/main/resources/images/anonymous.png b/src/main/resources/images/anonymous.png
new file mode 100644
index 0000000000..4edceb631c
Binary files /dev/null and b/src/main/resources/images/anonymous.png differ
diff --git a/src/main/resources/images/duke_img.png b/src/main/resources/images/duke_img.png
new file mode 100644
index 0000000000..51f9dd9ca3
Binary files /dev/null and b/src/main/resources/images/duke_img.png differ
diff --git a/src/main/resources/view/DialogBox.fxml b/src/main/resources/view/DialogBox.fxml
new file mode 100644
index 0000000000..cecbc478c8
--- /dev/null
+++ b/src/main/resources/view/DialogBox.fxml
@@ -0,0 +1,16 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/resources/view/MainWindow.fxml b/src/main/resources/view/MainWindow.fxml
new file mode 100644
index 0000000000..15d819bd5d
--- /dev/null
+++ b/src/main/resources/view/MainWindow.fxml
@@ -0,0 +1,19 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/test/java/duke/ParserTest.java b/src/test/java/duke/ParserTest.java
new file mode 100644
index 0000000000..eff1472233
--- /dev/null
+++ b/src/test/java/duke/ParserTest.java
@@ -0,0 +1,54 @@
+package duke;
+
+import org.junit.Test;
+import org.junit.Assert;
+
+public class ParserTest {
+ @Test
+ public void isExit_commandBye_true() {
+ Assert.assertEquals(true, new Parser("bye").isExit());
+ }
+
+ @Test
+ public void isExit_commandEmptyString_true() {
+ Assert.assertEquals(true, new Parser("").isExit());
+ }
+
+ @Test
+ public void isExit_commandDeadline_false() {
+ Assert.assertEquals(false, new Parser("deadline book ticket/by 2016-09-22 1700").isExit());
+ }
+
+ @Test
+ public void parse_commandDeadline_success() {
+ Assert.assertEquals("This is a deadline command", new Parser("deadline book ticket/by "
+ + "2016-09-22 1700").parse().toString());
+ }
+
+ @Test
+ public void parse_commandEvent_success() {
+ Assert.assertEquals("This is an event command", new Parser("event concert/at 2016-09-22 1900")
+ .parse().toString());
+ }
+
+ @Test
+ public void parse_commandTodo_success() {
+ Assert.assertEquals("This is a todo command", new Parser("todo play cricket").parse().toString());
+ }
+
+ @Test
+ public void parse_commandDelete_success() {
+ Assert.assertEquals("This is a delete command", new Parser("delete 1").parse().toString());
+ }
+
+ @Test
+ public void parse_commandDone_success() {
+ Assert.assertEquals("This is a done command", new Parser("done 1").parse().toString());
+ }
+
+ @Test
+ public void parse_commandInvalidString_success() {
+ Assert.assertEquals("This is an invalid command", new Parser("Some invalid string")
+ .parse().toString());
+ }
+}
diff --git a/src/test/java/duke/TaskListTest.java b/src/test/java/duke/TaskListTest.java
new file mode 100644
index 0000000000..2cb2b880c5
--- /dev/null
+++ b/src/test/java/duke/TaskListTest.java
@@ -0,0 +1,46 @@
+package duke;
+
+import duke.task.TaskList;
+import duke.task.Todo;
+
+import org.junit.Test;
+import org.junit.Assert;
+
+public class TaskListTest {
+ @Test
+ public void addTask_taskObject_success() {
+ TaskList taskList = new TaskList();
+ Todo todo = new Todo("todo do assignment");
+ taskList.addTask(todo);
+ Assert.assertEquals(todo, taskList.getTask(0));
+ }
+
+ @Test
+ public void removeTask_taskObjects_success() {
+ TaskList taskList = new TaskList();
+ Todo todo = new Todo("todo do assignment");
+ Todo todo2 = new Todo("todo play sports");
+ Todo todo3 = new Todo("todo sing song");
+
+ taskList.addTask(todo);
+ taskList.addTask(todo2);
+ taskList.addTask(todo3);
+ taskList.removeTask(1);
+
+ Assert.assertEquals(todo3, taskList.getTask(1));
+ }
+
+ @Test
+ public void size_taskObjects_success() {
+ TaskList taskList = new TaskList();
+ Todo todo = new Todo("todo do assignment");
+ Todo todo2 = new Todo("todo play sports");
+ Todo todo3 = new Todo("todo sing song");
+
+ taskList.addTask(todo);
+ taskList.addTask(todo2);
+ taskList.addTask(todo3);
+
+ Assert.assertEquals(3, taskList.getSize());
+ }
+}
diff --git a/src/test/java/duke/TodoTest.java b/src/test/java/duke/TodoTest.java
new file mode 100644
index 0000000000..ac8aae58d3
--- /dev/null
+++ b/src/test/java/duke/TodoTest.java
@@ -0,0 +1,30 @@
+package duke;
+
+import duke.task.Task;
+import duke.task.Todo;
+
+import org.junit.Test;
+import org.junit.Assert;
+
+public class TodoTest {
+ @Test
+ public void getStatusIcon_todoObject_X() {
+ Task task = new Todo("Watch football");
+ task.markAsDone();
+ Assert.assertEquals("X", task.getStatusIcon());
+ }
+
+ @Test
+ public void taskListOnDisk_todoObject_success() {
+ Task task = new Todo("Watch football");
+ task.markAsDone();
+ Assert.assertEquals("duke.task.Todo |X| Watch football", task.getTaskListOnDisk());
+ }
+
+ @Test
+ public void toString_todoObject_success() {
+ Task task = new Todo("Watch football");
+ task.markAsDone();
+ Assert.assertEquals("[T][X] Watch football", task.toString());
+ }
+}
diff --git a/text-ui-test/EXPECTED.TXT b/text-ui-test/EXPECTED.TXT
index 657e74f6e7..938b6eb966 100644
--- a/text-ui-test/EXPECTED.TXT
+++ b/text-ui-test/EXPECTED.TXT
@@ -1,7 +1,36 @@
-Hello from
- ____ _
-| _ \ _ _| | _____
-| | | | | | | |/ / _ \
-| |_| | |_| | < __/
-|____/ \__,_|_|\_\___|
-
+Hello from duke.Duke!
+Hope you are doing well. How can I help you?
+Got it. I've added this task:
+[D][ ] homework due (by: 2pm)
+Now you have 1 tasks in the list.
+Got it. I've added this task:
+[E][ ] cricket (at: 10pm)
+Now you have 2 tasks in the list.
+Got it. I've added this task:
+[E][ ] concert (at: 5pm)
+Now you have 3 tasks in the list.
+1. [D][ ] homework due (by: 2pm)
+2. [E][ ] cricket (at: 10pm)
+3. [E][ ] concert (at: 5pm)
+Nice! I've marked this task as done:
+[E][X] cricket (at: 10pm)
+1. [D][ ] homework due (by: 2pm)
+2. [E][X] cricket (at: 10pm)
+3. [E][ ] concert (at: 5pm)
+Nice! I've marked this task as done:
+[D][X] homework due (by: 2pm)
+1. [D][X] homework due (by: 2pm)
+2. [E][X] cricket (at: 10pm)
+3. [E][ ] concert (at: 5pm)
+Got it. I've added this task:
+[D][ ] assignment due (by: 12am)
+Now you have 4 tasks in the list.
+OOPS!!! I'm sorry, but I don't know what that means :-(
+OOPS!!! The description of a deadline cannot be empty.
+Noted. I've removed this task:
+[E][X] cricket (at: 10pm)
+Now you have 3 tasks in the list.
+1. [D][X] homework due (by: 2pm)
+2. [E][ ] concert (at: 5pm)
+3. [D][ ] assignment due (by: 12am)
+Bye. Have a great day!
diff --git a/text-ui-test/input.txt b/text-ui-test/input.txt
index e69de29bb2..dd18bf81c0 100644
--- a/text-ui-test/input.txt
+++ b/text-ui-test/input.txt
@@ -0,0 +1,14 @@
+deadline homework due /by 2pm
+event cricket /at 10pm
+event concert /at 5pm
+list
+done 2
+list
+done 1
+list
+deadline assignment due /by 12am
+random
+deadline
+delete 2
+list
+bye
\ No newline at end of file
diff --git a/text-ui-test/runtest.bat b/text-ui-test/runtest.bat
index 0873744649..62752b8814 100644
--- a/text-ui-test/runtest.bat
+++ b/text-ui-test/runtest.bat
@@ -15,7 +15,7 @@ IF ERRORLEVEL 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
+java -classpath ..\bin duke.Duke < input.txt > ACTUAL.TXT
REM compare the output to the expected output
FC ACTUAL.TXT EXPECTED.TXT
diff --git a/text-ui-test/runtest.sh b/text-ui-test/runtest.sh
old mode 100644
new mode 100755
index c9ec870033..09773a4f89
--- a/text-ui-test/runtest.sh
+++ b/text-ui-test/runtest.sh
@@ -22,12 +22,8 @@ fi
# 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
-# convert to UNIX format
-cp EXPECTED.TXT EXPECTED-UNIX.TXT
-dos2unix ACTUAL.TXT EXPECTED-UNIX.TXT
-
# compare the output to the expected output
-diff ACTUAL.TXT EXPECTED-UNIX.TXT
+diff ACTUAL.TXT EXPECTED.TXT
if [ $? -eq 0 ]
then
echo "Test result: PASSED"