#' Get or set OMDB_API_KEY value
#'
#' The API wrapper functions in this package all rely on a OMDB API
#' key residing in the environment variable `OMDB_API_KEY`. The
#' easiest way to accomplish this is to set it in the `.Renviron` file in your
#' home directory.
#'
#' @md
#' @param force force setting a new OMDB API key for the current environment?
#' @return atomic character vector containing the OMDB API key
#' @note The "poster" API requires a separate key
#' @export
omdb_api_key <- function(force = FALSE) {
env <- Sys.getenv('OMDB_API_KEY')
if (!identical(env, "") && !force) return(env)
if (!interactive()) {
stop("Please set env var OMDB_API_KEY to your OMDB API key",
call. = FALSE)
}
message("Couldn't find env var OMDB_API_KEY See ?omdb_api_key for more details.")
message("Please enter your API key and press enter:")
pat <- readline(": ")
if (identical(pat, "")) {
stop("OMDB API key entry failed", call. = FALSE)
}
message("Updating OMDB_API_KEY env var to PAT")
Sys.setenv(OMDB_API_KEY = pat)
pat
}
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