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#' Download TIGER shapes for Elementary School Districts
#'
#' @templateVar state TRUE
#' @templateVar year TRUE
#' @template template
#'
#' @return sf data.frame
#' @export
#'
#' @concept schools
#'
#' @examples
#' # Wrapped in try due to false positive 304 errors
#' \donttest{try(tt_elementary_school_districts("AZ"))} # downloads slow on CRAN
tt_elementary_school_districts <- function(state, year = 2022) {
years_okay(year)
if (missing(state)) {
cli::cli_abort("{.arg state} is required for {.fn tt_elementary_school_districts}.")
}
state <- state_lookup(state)
dec_yr <- pad_str(year %% 2000 - (year %% 10))
url_adj <- ""
if (year <= 2010) {
url_adj <- paste0("/20", dec_yr)
year <- 2010
} else {
dec_yr <- ""
}
shp <- lapply(state, function(st) {
zip_url <- glue::glue("{base_url(year)}/ELSD{url_adj}/tl_{year}_{st}_elsd{dec_yr}.zip")
target <- glue::glue("tl_{year}_{st}_elsd{dec_yr}.shp")
tt_download_read(url = zip_url, target_file = target)
})
shp <- do.call(rbind, shp)
adj_class(shp)
}
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