Realtime Database

Access Firebase Realtime Database

Super class

firebase::Firebase

Methods

Public methods

• RealtimeDatabase$new()

• RealtimeDatabase$ref()

• RealtimeDatabase$on_value()

• RealtimeDatabase$set()

• RealtimeDatabase$update()

• RealtimeDatabase$delete()

• RealtimeDatabase$clone()

Inherited methods

• firebase::Firebase$expose_app()
• firebase::Firebase$print()

---

Method new()

Usage

RealtimeDatabase$new(
  config_path = "firebase.rds",
  session = shiny::getDefaultReactiveDomain()
)

Arguments

config_path

Path to the configuration file as created by firebase_config.

session

A valid shiny session.

Details

Initialiases Firebase Storage

Initialises the Firebase Storage application client-side.

---

Method ref()

Usage

RealtimeDatabase$ref(path = NULL)

Arguments

path

Path to the database full URL to file.

Details

Reference

Creates a reference to a file or directory you want to operate on. Note that this reference persists, make sure you change it between operations.

Returns

Invisibly return the class instance.

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Method on_value()

Usage

RealtimeDatabase$on_value(response, path = NULL)

Arguments

response

A boolean or character string. TRUE indicates that you want to capture the results of the file upload (e.g.: success or failed) with get_response method. FALSE indicates you do not want those results back. A character string is used as named of the response which then can be used in the get_response method.

path

Path to the database full URL to file.

Details

On Value

When path or ref sees an update it sends the new data to response.

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Method set()

Usage

RealtimeDatabase$set(data, response = NULL, path = NULL)

Arguments

data

Dataset to upload.

response

A boolean or character string. TRUE indicates that you want to capture the results of the file upload (e.g.: success or failed) with get_response method. FALSE indicates you do not want those results back. A character string is used as named of the response which then can be used in the get_response method.

path

Path to the database full URL to file.

Details

Set Data

Pushes data to the database.

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Method update()

Usage

RealtimeDatabase$update(data, response = NULL, path = NULL)

Arguments

data

Dataset to update.

response

A boolean or character string. TRUE indicates that you want to capture the results of the file upload (e.g.: success or failed) with get_response method. FALSE indicates you do not want those results back. A character string is used as named of the response which then can be used in the get_response method.

path

Path to the database full URL to file.

Details

Update Data

Update a record.

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Method delete()

Usage

RealtimeDatabase$delete(response = NULL, path = NULL)

Arguments

response

A boolean or character string. TRUE indicates that you want to capture the results of the file upload (e.g.: success or failed) with get_response method. FALSE indicates you do not want those results back. A character string is used as named of the response which then can be used in the get_response method.

path

Path to the database full URL to file.

Details

Delete

Delete data to the database.

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Method clone()

The objects of this class are cloneable with this method.

Usage

RealtimeDatabase$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.