Class FirebaseService

constructor

• new FirebaseService(firebaseConfigParam?): FirebaseService

• The constructor takes an optional parameter of type FirebaseConfig. If the parameter is not present the FirebaseConfig is imported from firebase-config.ts.

  Parameters

  • OptionalfirebaseConfigParam: any

  Returns FirebaseService

Readonlyapp

Readonlydatabase

get

• get<T>(path): Promise<null | T>

• Fetches data from the specified path in the Firebase Realtime Database.

  Type Parameters

  • T

    The expected class of the data to be fetched.

  Parameters

  • path: string

    The path in the database from which to fetch data.

  Returns Promise<null | T>

  A promise that resolves with the data of type T if available, or null if no data exists at the specified path or if an error occurs.

  Throws

  Will log an error message to the console if an error occurs while fetching data from Firebase.

  Example

  const user = await firebaseService.get<User>('users/123');
  if (user) {
    console.log('User data:', user);
  } else {
    console.log('No user data found.');
  }
  Copy

getLookupValues

• getLookupValues(path, propertyName): Promise<string[]>

• Parameters

  • path: string
  • propertyName: string

  Returns Promise<string[]>

onChildAdded

• onChildAdded(path, callback): void

• Listens for changes at the specified path in the Firebase Realtime Database.

  Parameters

  • path: string

    The path in the database to listen for changes.
  • callback: ((key: string, data: any) => void)

    The callback function to be called with the results when a change occurs.

    • • (key, data): void

      • Parameters

        • key: string
        • data: any

        Returns void

  Returns void

  Example

  firebaseService.listenForChanges('users/123', (data) => {
    console.log('Data changed:', data);
  });
  Copy

onChildChanged

• onChildChanged(path, callback): void

• Parameters

  • path: string
  • callback: ((key: string, data: any) => void)
    • • (key, data): void

      • Parameters

        • key: string
        • data: any

        Returns void

  Returns void

onChildRemoved

• onChildRemoved(path, callback): void

• Parameters

  • path: string
  • callback: ((key: string) => void)
    • • (key): void

      • Parameters

        • key: string

        Returns void

  Returns void

remove

• remove(path): Promise<void>

• Removes data at the specified path in the Firebase Realtime Database.

  Parameters

  • path: string

    The path in the database from which to remove data.

  Returns Promise<void>

  A promise that resolves when the data has been successfully removed.

  Example

  await firebaseService.remove('users/123');
  Copy

set

• set(obj, path): Promise<void>

• Sets data at the specified path in the Firebase Realtime Database.

  Parameters

  • obj: any

    The data to be set at the specified path.
  • path: string

    The path in the database where the data should be set.

  Returns Promise<void>

  A promise that resolves when the data has been successfully set.

  Example

  await firebaseService.set({ name: 'John Doe' }, 'users/123');
  Copy

watchWhenUserDisconnects

• watchWhenUserDisconnects(exerciseId, playerName): void

• Parameters

  • exerciseId: string
  • playerName: string

  Returns void