From 0f66dc670854b22b4dd1d7084e114ed02b40986a Mon Sep 17 00:00:00 2001
From: jeffplays2005 <jeffery20050811@gmail.com>
Date: Sat, 14 Sep 2024 23:54:19 +1200
Subject: [PATCH] Create getActiveEvents method in Event service and its tests

Created the getActiveEvents to fetch present events
---
 NumbersApp.java                               | 54 +++++++++++++++++++
 .../data-layer/services/EventService.test.ts  | 23 ++++++++
 .../src/data-layer/services/EventService.ts   | 16 ++++++
 3 files changed, 93 insertions(+)
 create mode 100644 NumbersApp.java

diff --git a/NumbersApp.java b/NumbersApp.java
new file mode 100644
index 000000000..78a205c5d
--- /dev/null
+++ b/NumbersApp.java
@@ -0,0 +1,54 @@
+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.*;
+import java.awt.FlowLayout;
+import javax.swing.event.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class NumbersApp extends JFrame {
+    private JTextField factorField;
+    private JList<Integer> list;
+    private JButton addButton;
+    private Integer[] numbers = new Integer[]{Integer.valueOf(1), Integer.valueOf(2), Integer.valueOf(3), Integer.valueOf(4)};
+    public NumbersApp() {
+        factorField = new JTextField("3", 10);
+        list = new JList<Integer>(numbers);
+        addButton = new JButton("Add");
+        JPanel commandpanel = new JPanel();
+        commandpanel.add(list);
+        commandpanel.add(factorField);
+        commandpanel.add(addButton);
+        getContentPane().add(commandpanel, BorderLayout.NORTH);
+        addButton.addActionListener( new AddFactorListener() );
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        setSize(600, 200);
+        setVisible(true);
+    }
+    //complete this
+    // We create a AddFactorListener class that implements ActionListener
+    class AddFactorListener implements ActionListener {
+        // This actionPerformed method runs when the button clicks
+        public void actionPerformed(ActionEvent e) {
+            // jijiku use try n catch because if not an integer, we dont do anything
+            try {
+                // parse the text field as an integer
+                int factor = Integer.parseInt(factorField.getText());
+                // loop all numbers n try to add the factor
+                for(int i = 0; i < numbers.length; i++){
+                    numbers[i] += factor;
+                }
+                // update the java thingy
+                list.updateUI();
+            } catch (NumberFormatException ex) {
+                // if not an integer, we set the text field to 3
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        javax.swing.SwingUtilities.invokeLater(new Runnable() {
+        public void run() {new NumbersApp();}
+        });
+    }
+}
diff --git a/server/src/data-layer/services/EventService.test.ts b/server/src/data-layer/services/EventService.test.ts
index 6842daed0..0a08db7dd 100644
--- a/server/src/data-layer/services/EventService.test.ts
+++ b/server/src/data-layer/services/EventService.test.ts
@@ -6,6 +6,7 @@ import {
 } from "data-layer/adapters/DateUtils"
 import { Event, EventReservation } from "data-layer/models/firebase"
 import FirestoreCollections from "data-layer/adapters/FirestoreCollections"
+import { Timestamp } from "firebase-admin/firestore"
 
 const eventService = new EventService()
 
@@ -73,6 +74,28 @@ describe("EventService integration tests", () => {
     }).toEqual(event1)
   })
 
+  it("Should be able to get current existing events", async () => {
+    // Create past events
+    await eventService.createEvent(event1)
+    await eventService.createEvent(event2)
+    // Create a future event
+    const now = new Date(Date.now())
+    const scheduledEvent: Event = {
+      title: "Scheduled event",
+      location: "Future event",
+      start_date: Timestamp.fromDate(new Date(now.getUTCFullYear() + 1, 1, 1)),
+      end_date: Timestamp.fromDate(new Date(now.getUTCFullYear() + 1, 1, 1))
+    }
+    await eventService.createEvent(scheduledEvent)
+
+    const futureEvents = await eventService.getActiveEvents()
+
+    expect(futureEvents.length).toBe(1)
+    expect({
+      ...futureEvents[0]
+    }).toEqual(scheduledEvent)
+  })
+
   it("Should be able to update an event", async () => {
     const newEvent = await eventService.createEvent(event1)
 
diff --git a/server/src/data-layer/services/EventService.ts b/server/src/data-layer/services/EventService.ts
index c0af72859..1e075de32 100644
--- a/server/src/data-layer/services/EventService.ts
+++ b/server/src/data-layer/services/EventService.ts
@@ -25,6 +25,22 @@ class EventService {
     return result.data()
   }
 
+  /**
+   * Fetches all events that have a start date in the future.
+   * Note that "active" means any event that is still upcoming, or "ready" to signup.
+   *
+   * @returns a list of events that have a start_date that is later to the current date.
+   */
+  public async getActiveEvents(): Promise<Event[]> {
+    const now = new Date(Date.now())
+
+    const result = await FirestoreCollections.events
+      .where("start_date", ">=", now)
+      .get()
+
+    return result.docs.map((doc) => doc.data() as Event)
+  }
+
   /**
    * Updates an existing event document by ID with new Event data.
    *