Add find function

jehousoh · Aug 24, 2022 · 815b445 · 815b445
1 parent 3a38698
commit 815b445
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Showing 3 changed files with 47 additions and 1 deletion.
diff --git a/src/main/java/duke/helper/Parser.java b/src/main/java/duke/helper/Parser.java
@@ -6,8 +6,12 @@
 public class Parser {
 
     public static void parse(String in, TaskList list) {
+        //"find": Find tasks based on keywords
+        if (in.startsWith("find")) {
+            String keywords = in.split(" ", 2)[1];
+            list.find(keywords);
         //"clear": Clears the list
-        if (in.equals("clear")) {
+        } else if (in.equals("clear")) {
             list.clear();
         //"list": Shows current list
         } else if (in.equals("list")) {

diff --git a/src/main/java/duke/helper/Ui.java b/src/main/java/duke/helper/Ui.java
@@ -40,6 +40,14 @@ public static void countTasks(TaskList list) {
     public static void clear() {
         System.out.println("The list has been successfully cleared!");
     }
+
+    public static void taskFound() {
+        System.out.println("Woohoo here are some matches found!");
+    }
+
+    public static void noTaskFound() {
+        System.out.println("Ohno I could not find any tasks fitting the keywords...");
+    }
 
     public static void line() {
         System.out.println("-------------------------------------------");

diff --git a/src/main/java/duke/task/TaskList.java b/src/main/java/duke/task/TaskList.java
@@ -62,4 +62,38 @@ public void unmark(int index) {
         taskList.get(index).markAsUndone();
         Ui.unmark();
     }
+
+    /**
+     * Method to find and print tasks based on keywords
+     *
+     * @param keywords the string of keywords to be searched
+     */
+    public void find(String keywords) {
+        String[] keywordArr = keywords.split(" ");
+        int arrLen = keywordArr.length;
+        int pointer;
+        TaskList result = new TaskList();
+
+        for (Task task : taskList) {
+            pointer = 0;
+
+            while (pointer < arrLen) {
+                if (!task.getDescription().contains(keywordArr[pointer])) {
+                    break;
+                }
+                pointer++;
+            }
+
+            if (pointer == arrLen) {
+                result.add(task);
+            }
+        }
+
+        if (result.getSize() == 0) {
+            Ui.noTaskFound();
+        } else {
+            Ui.taskFound();
+            result.printTasks();
+        }
+    }
 }