Added 10-task-tracker

5 files changed, 209 insertions, 0 deletions

diff --git a/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/App.java b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/App.java
new file mode 100644
index 0000000..bb0ab24
--- /dev/null
+++ b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/App.java
@@ -0,0 +1,15 @@
+package lk.ac.pdn.ceit.tasks;
+
+import lk.ac.pdn.ceit.tasks.ui.TextUI;
+
+/**
+ * Hello world!
+ */
+public class App {
+    public static void main(String[] args) {
+        TextUI ui = new TextUI();
+        // ui.setTaskManager();
+
+        ui.start();
+    }   
+}
diff --git a/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/TaskManager.java b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/TaskManager.java
new file mode 100644
index 0000000..8e22b30
--- /dev/null
+++ b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/TaskManager.java
@@ -0,0 +1,9 @@
+package lk.ac.pdn.ceit.tasks;
+
+import lk.ac.pdn.ceit.tasks.entities.Task;
+
+public interface TaskManager {
+    public Task createNewTask(String title, String description);
+    public Task findById(int id);
+    public void updateTask(Task task);
+}
diff --git a/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/entities/Task.java b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/entities/Task.java
new file mode 100644
index 0000000..26dfc4a
--- /dev/null
+++ b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/entities/Task.java
@@ -0,0 +1,84 @@
+package lk.ac.pdn.ceit.tasks.entities;
+
+import java.time.Duration;
+
+public class Task {
+    private User createdBy;
+    private User assignedTo;
+    
+    private int id;
+    private String title;
+    private String description;
+    private Duration estimatedTime;
+    private Duration actualTime;
+    private boolean completed;
+    
+    public Task() {
+    }
+
+    public Task(int id, String title, String description) {
+        this.id = id;
+        this.title = title;
+        this.description = description;
+    }
+
+    public int getId() {
+        return id;
+    }
+    public void setId(int id) {
+        this.id = id;
+    }
+    public String getTitle() {
+        return title;
+    }
+    public void setTitle(String title) {
+        this.title = title;
+    }
+    public String getDescription() {
+        return description;
+    }
+    public void setDescription(String description) {
+        this.description = description;
+    }
+    public Duration getEstimatedTime() {
+        return estimatedTime;
+    }
+    public void setEstimatedTime(Duration estimatedTime) {
+        this.estimatedTime = estimatedTime;
+    }
+    public Duration getActualTime() {
+        return actualTime;
+    }
+    public void setActualTime(Duration actualTime) {
+        this.actualTime = actualTime;
+    }
+    public boolean isCompleted() {
+        return completed;
+    }
+    public void setCompleted(boolean completed) {
+        this.completed = completed;
+    }
+
+    public User getCreatedBy() {
+        return createdBy;
+    }
+
+    public void setCreatedBy(User createdBy) {
+        this.createdBy = createdBy;
+    }
+
+    public User getAssignedTo() {
+        return assignedTo;
+    }
+
+    public void setAssignedTo(User assignedTo) {
+        this.assignedTo = assignedTo;
+    }
+
+    @Override
+    public String toString() {
+        return "Task [id=" + id + ", title=" + title + ", description=" + description + ", estimatedTime="
+                + estimatedTime + ", actualTime=" + actualTime + ", completed=" + completed + "]";
+    }
+
+}
diff --git a/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/entities/User.java b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/entities/User.java
new file mode 100644
index 0000000..2c45fc2
--- /dev/null
+++ b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/entities/User.java
@@ -0,0 +1,32 @@
+package lk.ac.pdn.ceit.tasks.entities;
+
+public class User {
+    private int id;
+    private String username;
+    
+    public User() {
+    }
+
+    public User(int id, String username) {
+        this.id = id;
+        this.username = username;
+    }
+    
+    public int getId() {
+        return id;
+    }
+    public void setId(int id) {
+        this.id = id;
+    }
+    public String getUsername() {
+        return username;
+    }
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    @Override
+    public String toString() {
+        return "User [id=" + id + ", username=" + username + "]";
+    }    
+}
diff --git a/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/ui/TextUI.java b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/ui/TextUI.java
new file mode 100644
index 0000000..6bce661
--- /dev/null
+++ b/oop/10-task-tracker/src/main/java/lk/ac/pdn/ceit/tasks/ui/TextUI.java
@@ -0,0 +1,69 @@
+package lk.ac.pdn.ceit.tasks.ui;
+
+import lk.ac.pdn.ceit.tasks.TaskManager;
+import lk.ac.pdn.ceit.tasks.entities.Task;
+
+public class TextUI {
+    private TaskManager taskManager;
+
+    public void setTaskManager(TaskManager taskManager) {
+        this.taskManager = taskManager;
+    }
+
+    public void start() {
+        while(true) {
+            String command = IO.readln("Command> ");
+
+            switch (command.trim().toLowerCase()) {
+                case "q":
+                case "quit":
+                    IO.println("Thank you for using Task Tracker.");
+                    System.exit(0);
+
+                case "createtask":
+                    createNewTask();
+                    break;
+
+                case "updatetask":
+                    updateTask();
+                    break;
+
+                default:
+                    IO.println("Command not found.");
+                    break;
+            }
+        }
+    }
+
+    private void createNewTask() {
+        String title = IO.readln("Enter task title: ");
+        String description = IO.readln("Enter task description: ");
+
+        Task newTask = taskManager.createNewTask(title, description);
+
+        IO.print("New task created: " + newTask);
+    }
+    
+    private void updateTask() {
+        // Ask the user to enter task id
+        String taskId = IO.readln("Enter task ID: ");
+
+        // Get the Task from TaskManager
+        Task task = taskManager.findById(Integer.parseInt(taskId));
+
+        // Show the Task details to user
+        IO.print(task);
+
+        // Prompt the user to update Task properties
+        String title = IO.readln("New title: ");
+        if (! title.equals("")) {
+            task.setTitle(title);
+        }
+        // ...
+
+        // Use the TaskManager and update the task
+        taskManager.updateTask(task);
+        IO.println("Task updated.");
+    }
+
+}