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#' @title
#' Set Logger Settings
#'
#' @description
#' Updates logger settings, including log level and location of the file.
#'
#' @param logger_file_path A path (including file name) to log the messages.
#' (Default: CausalGPS.log)
#' @param logger_level The log level. Available levels include:
#' - TRACE
#' - DEBUG
#' - INFO (Default)
#' - SUCCESS
#' - WARN
#' - ERROR
#' - FATAL
#'
#' @export
#'
#' @return
#' No return value. This function is called for side effects.
#'
#' @examples
#'
#' set_logger("Debug")
#'
set_logger <- function(logger_file_path = "CausalGPS.log",
logger_level = "INFO") {
available_levels <- c("TRACE", "DEBUG", "INFO", "SUCCESS", "WARN",
"ERROR", "FATAL")
if (!is.element(logger_level, available_levels)) {
stop(paste("logger_level: ", logger_level, " is not valid."))
}
#assign("logger_file_path", logger_file_path, envir = log_env)
logger::log_appender(appender = logger::appender_file(logger_file_path),
index = 1)
set_options("logger_file_path", logger_file_path)
set_options("logger_level", logger_level)
#create_matching$logger_file_path <- logger_file_path
if (!is.null(logger_level)) {
if (is.element(logger_level, available_levels)) {
logger::log_threshold(logger_level)
} else {
stop(paste("Logger level is not valid. Available levels: ",
paste(available_levels, collapse = " ")))
}
} else {
logger::log_threshold(logger::INFO, index = 1)
}
}
#' @title
#' Get Logger Settings
#'
#' @description
#' Returns current logger settings.
#'
#'
#' @return
#' Returns a list that includes **logger_file_path** and **logger_level**.
#'
#' @export
#'
#' @examples
#'
#' set_logger("mylogger.log", "INFO")
#' log_meta <- get_logger()
#'
get_logger <- function(){
return(list(logger_file_path = get_options("logger_file_path"),
logger_level = get_options("logger_level")))
}
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