Data Storage abstract class to handle all the read/write operations

Abstract R6 Class that encapsulates all the operations needed by Shiny.telemetry to read and write. This removes the complexity from the functions and uses a unified API.

Active bindings

event_bucket

string that identifies the bucket to store user related and action data

Methods

Public methods

• DataStorage$new()

• DataStorage$insert()

• DataStorage$read_event_data()

• DataStorage$close()

• DataStorage$clone()

---

Method new()

initialize data storage object common with all providers

Usage

DataStorage$new()

---

Method insert()

Insert new data

Usage

DataStorage$insert(app_name, type, session = NULL, details = NULL, time = NULL)

Arguments

app_name

string with name of dashboard (the version can be also included in this string)

type

string that identifies the event type to store

session

(optional) string that identifies a session where the event was logged

details

atomic element of list with data to save in storage

time

date time value indicates the moment the record was generated in UTC. By default it should be NULL and determined automatically, but in cases where it should be defined, use Sys.time() or lubridate::now(tzone = "UTC") to generate it.

Returns

Nothing. This method is called for side effects.

---

Method read_event_data()

read all user data from SQLite.

Usage

DataStorage$read_event_data(date_from = NULL, date_to = NULL, app_name = NULL)

Arguments

date_from

(optional) date representing the starting day of results.

date_to

(optional) date representing the last day of results.

app_name

(optional) string identifying the Dashboard-specific event data

---

Method close()

Close the connection if necessary

Usage

DataStorage$close()

---

Method clone()

The objects of this class are cloneable with this method.

Usage

DataStorage$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.