R/assign_date.R

In ropensci/mctq: Munich ChronoType Questionnaire Tools

assign_date <- function(start, end, ambiguity = 0) {
  checkmate::assert_multi_class(start, c("hms", "POSIXt"))
  checkmate::assert_numeric(as.numeric(hms::as_hms(start)),
                            lower = 0, upper = 86400)
  checkmate::assert_multi_class(end, c("hms", "POSIXt"))
  checkmate::assert_numeric(as.numeric(hms::as_hms(end)),
                            lower = 0, upper = 86400)
  assert_identical(start, end, type = "length")
  checkmate::assert_choice(ambiguity, c(0, 24, NA))

  start <-
    start |>
    hms::as_hms() |>
    as.POSIXct() |>
    flat_posixt()

  end <-
    end |>
    hms::as_hms() |>
    as.POSIXct() |>
    flat_posixt()

  out <- dplyr::case_when(
    is.na(start) | is.na(end) ~ lubridate::as.interval(NA),
    start < end ~ lubridate::interval(start, end),
    start > end ~ lubridate::interval(start, end + lubridate::days()),
    is.na(ambiguity) ~ lubridate::as.interval(NA),
    TRUE ~ lubridate::as.interval(lubridate::hours(ambiguity), start)
  )

  out
}