Merge branch 'branch-B-Reminders'

Add BCD extension.

data/duke.txt

@@ -1 +1 @@
-[T][✘] ask [T][✘] ask [D][✘] ask /by
+[T][✘] ask [T][✘] ask [D][✘] be /by

src/main/java/DateAndTime.java

@@ -33,6 +33,14 @@ public DateAndTime(String dateAndTime) {
 
     }
 
+    public LocalDate getDate(){
+        return this.date;
+    }
+
+    public LocalTime getTime(){
+        return this.time;
+    }
+
     /**
      * Overridden toString() method to print out the desired format of date and time.
      *

src/main/java/Deadline.java

@@ -2,7 +2,7 @@
  * Deadline class is a subclass of Task which holds information for this type of tasks with
  * a date and time (which is the deadline :) ).
  */
-public class Deadline extends Task {
+public class Deadline extends Task implements Comparable<Deadline>{
 
     protected DateAndTime by;
 
@@ -40,4 +40,20 @@ public String toString() {
         return "[D]" + super.toString() + " (by: " + by + ")";
     }
 
+    /**
+     * Overridden compareTo method to compare urgency in date and time for a deadline.
+     * @param another the deadline task to compare with
+     * @return -1 if urgency of this deadline is higher, 0 if equal and 1 if urgency of another
+     *     is higher
+     */
+    @Override
+    public int compareTo(Deadline another){
+        if(!this.by.getDate().equals(another.by.getDate())){
+            return this.by.getDate().compareTo(another.by.getDate());
+        }
+
+        return this.by.getTime().compareTo(another.by.getTime());
+
+    }
+
 }

src/main/java/Parser.java

@@ -19,13 +19,18 @@ public class Parser {
     public final static String EMPTY = " ";
     public final static String BYORAT = "/by ";
     public final static String FIND = "find";
+    public final static String REMINDER = "reminder";
 
     /**
      * Constructs a Parser object to tackle the user inputs/commands.
      */
     public Parser() {
     }
 
+    public boolean isReminder(String input){
+        return input.contains(REMINDER);
+    }
+
     public boolean isBye(String input) {
         return input.equals(BYE);
     }

src/main/java/Task.java

@@ -2,7 +2,7 @@
  * Task class is the subclass of Deadline, Event and Todo
  * thus it holds common methods and constructors for these classes.
  */
-public class Task {
+public class Task{
 
     protected String description;
     protected boolean isDone;

src/main/java/TaskList.java

@@ -52,9 +52,9 @@ private static String modify(String input, String type, DateAndTime byOrAt, Arra
      */
     public static String read() {
         String starter = "Here are the tasks in your list:\n" ;
-        String content = "";
+        StringBuilder content = new StringBuilder();
         for (int i = 0; i < taskStorage.size(); i++) {
-            content = content + ((i + 1) + "." + taskStorage.get(i)) + "\n";
+            content.append(i + 1).append(".").append(taskStorage.get(i)).append("\n");
         }
         return starter + content;
     }
@@ -86,17 +86,55 @@ public static String delete(int ref) {
     public static String find(String feature) {
 
         String starter = "Here are the matching tasks in your list:\n";
-        String content = "";
+        StringBuilder content = new StringBuilder();
 
         for (Task task : TaskList.taskStorage) {
             if (task.description.contains(feature)) {
-                content = content + (task) + "\n";
+                content.append(task).append("\n");
             }
         }
-
         return starter + content;
-
     }
 
+    /**
+     *
+     * @return
+     */
+    public static String remind(){
+
+        ArrayList<Deadline> mostUrgent = new ArrayList<>(0);
+
+        for(Task task : TaskList.taskStorage){
+
+            if(task instanceof Deadline){
+
+                 if(mostUrgent.isEmpty()){
+                     mostUrgent.add((Deadline) task);
+                 }
+
+                 if(((Deadline) task).compareTo(mostUrgent.get(0)) < 0){
+                     mostUrgent.remove(0);
+                     mostUrgent.add((Deadline) task);
+                 }
+
+                 if(((Deadline) task).compareTo(mostUrgent.get(0)) == 0){
+                     mostUrgent.add((Deadline) task);
+                 }
+            }
+        }
+
+        if(mostUrgent.isEmpty()){
+            return ("Nice ! No upcoming deadline :). ");
+        }
+
+        String starter = "Your nearest deadline is: \n";
+        StringBuilder content = new StringBuilder();
+
+        for (Deadline deadline : mostUrgent) {
+            content.append(deadline).append("\n");
+        }
+
+        return starter + content;
+    }
 
 }

src/main/java/Ui.java

@@ -183,6 +183,10 @@ private String dealDeadline(String input){
 
     }
 
+    private String dealReminder(){
+        return TaskList.remind();
+    }
+
     /**
      * Workhorse of the project, deal with all possible instructions exactly as desired.
      * @param input string text from the user
@@ -192,6 +196,10 @@ public String deal(String input) {
 
         Storage.read();
 
+        if (parser.isReminder(input)){
+            return dealReminder();
+        }
+
         if (parser.isBye(input)) {
             return dealBye();
         }