R/check_output_files.R

In SticsRFiles: Read and Modify 'STICS' Input/Output Files

#' @title Checking model outputs files
#'
#' @description This function checks if the model outputs files are correctly
#' produced
#'
#' @param run_dir Directory name or path (absolute) of a working directory,
#'  or root directory of working directories
#' @param usm_name Usm name, to be set if it is the name of a sub-directory of
#' the given argument run_dir
#'
#' @return A list with fields $error (logical, TRUE if any missing file, FALSE
#' otherwise), $missing (missing files vector)
#'
#' @examples
#' \dontrun{
#' check_output_files("/home/username/Work/SticsInputsDir")
#' check_output_files("/home/username/Work/SticsInputsRootDir", "usmDir")
#' }
#'
#' @keywords internal
#' @noRd

check_output_files <- function(run_dir, usm_name = NULL) {
  if (base::is.null(usm_name)) {
    usm <- basename(run_dir)
  } else {
    usm <- usm_name
  }
  files_list <- c(
    "modhistory.sti", paste0("mod_b", usm, ".sti"),
    "mod_rapport.sti", paste0("mod_s", usm, ".sti")
  )
  no_hist <- !file.exists(file.path(run_dir, files_list[1]))
  no_balance <- !file.exists(file.path(run_dir, files_list[2]))
  no_report <- !file.exists(file.path(run_dir, files_list[3]))
  no_daily <- file.exists(file.path(run_dir, files_list[4]))
  no_files <- c(no_hist, no_balance, no_report, no_daily)
  out <- list()
  out$error <- no_hist | (no_balance & no_daily & no_report)
  out$missing <- files_list[no_files]

  return(out)
}