Package com.example.iconic_raffleevent.controller

Class ImageController

java.lang.Object

com.example.iconic_raffleevent.controller.ImageController

public class ImageController
extends Object

Controller class responsible for managing image data stored in Firestore. Provides methods to retrieve all images and delete a specific image by its ID.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ImageController.DeleteImageCallback	Callback interface for deleting an image.
static interface	ImageController.ImageListCallback	Callback interface for retrieving a list of images.

Field Summary

Fields

Modifier and Type	Field	Description
com.google.firebase.firestore.FirebaseFirestore	db

Constructor Summary

Constructors

Constructor	Description
ImageController()	Constructs a new ImageController and initializes the Firebase Firestore instance.

Method Summary

Modifier and Type	Method	Description
void	deleteImage(String imageId, ImageController.DeleteImageCallback callback)	Deletes a specific image by its ID from the Firestore database.
void	getAllImages(ImageController.ImageListCallback callback)	Retrieves all images from the Firestore database.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

db

public com.google.firebase.firestore.FirebaseFirestore db

Constructor Details

ImageController

public ImageController()

Constructs a new ImageController and initializes the Firebase Firestore instance. This instance is used to interact with the Firestore database.

Method Details

getAllImages

public void getAllImages(ImageController.ImageListCallback callback)

Retrieves all images from the Firestore database. This method fetches all the image documents stored in the "images" collection, converts them into ImageData objects, and passes them to the callback.

Parameters:

callback - The callback interface to handle the retrieved images or error.

deleteImage

public void deleteImage(String imageId,
 ImageController.DeleteImageCallback callback)

Deletes a specific image by its ID from the Firestore database.

Parameters:

imageId - The ID of the image to be deleted.

callback - The callback interface to handle the success or failure of the deletion.