Add eventSignup endpoint and new getAllReservations EventService method.

Created new eventSignup endpoint and their controller.

Takes in a EventSignupBody and returns an EventSignupResponse.

Created EventService `getAllReservations` method and test.

server/src/data-layer/services/EventService.test.ts

@@ -107,12 +107,12 @@ describe("EventService integration tests", () => {
 
     await eventService.deleteEvent(newEvent.id)
 
-    const fetchedReservation1 = await eventService.getReservation(
+    const fetchedReservation1 = await eventService.getReservationById(
       newEvent.id,
       newReservation1.id
     )
     expect(fetchedReservation1).toBe(undefined)
-    const fetchedReservation2 = await eventService.getReservation(
+    const fetchedReservation2 = await eventService.getReservationById(
       newEvent.id,
       newReservation2.id
     )
@@ -134,12 +134,12 @@ describe("EventService integration tests", () => {
     )
 
     await eventService.deleteEvent(newEvent.id)
-    const fetchedReservation3 = await eventService.getReservation(
+    const fetchedReservation3 = await eventService.getReservationById(
       newEvent2.id,
       newReservation3.id
     )
     expect(fetchedReservation3).toEqual(reservation1)
-    const fetchedReservation4 = await eventService.getReservation(
+    const fetchedReservation4 = await eventService.getReservationById(
       newEvent2.id,
       newReservation4.id
     )
@@ -171,13 +171,23 @@ describe("EventService integration tests", () => {
         newEvent.id,
         reservation1
       )
-      const fetchedReservation = await eventService.getReservation(
+      const fetchedReservation = await eventService.getReservationById(
         newEvent.id,
         reservation.id
       )
       expect(fetchedReservation).toEqual(reservation1)
     })
 
+    it("Should get all event reservations", async () => {
+      const newEvent = await eventService.createEvent(event1)
+      await eventService.addReservation(newEvent.id, reservation1)
+      await eventService.addReservation(newEvent.id, reservation2)
+      const reservations = await eventService.getAllReservations(newEvent.id)
+      expect(reservations.length).toBe(2)
+      expect(reservations).toContainEqual(reservation1)
+      expect(reservations).toContainEqual(reservation2)
+    })
+
     it("Should be able to update an event reservation", async () => {
       const newEvent = await eventService.createEvent(event1)
 

server/src/data-layer/services/EventService.ts

@@ -72,14 +72,24 @@ class EventService {
    * @param reservationId the ID of the reservation document
    * @returns the reservation document
    */
-  public async getReservation(eventId: string, reservationId: string) {
+  public async getReservationById(eventId: string, reservationId: string) {
     const result = await FirestoreSubcollections.reservations(eventId)
       .doc(reservationId)
       .get()
 
     return result.data()
   }
 
+  /**
+   * Gets all reservations for an event.
+   * @param eventId the ID of the event document
+   * @returns an array of all the event reservation documents
+   */
+  public async getAllReservations(eventId: string) {
+    const result = await FirestoreSubcollections.reservations(eventId).get()
+    return result.docs.map((doc) => doc.data())
+  }
+
   /**
    * Updates an existing reservation document by ID with new EventReservation data.
    *