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get_all_committees.R
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get_all_committees.R
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#' Parliamentary committees over all sessions
#'
#' @description Imports data on all committee names and ids over all sessions
#' in the data.stortinget.no API.
#'
#' @usage get_all_committees()
#'
#'
#' @return A data frame of committees, with the variables:
#'
#' | | |
#' |:------------------|:--------------------------|
#' | **response_date** | Date of data retrieval |
#' | **version** | Data version from the API |
#' | **id** | Id of the committee |
#' | **name** | Name of the committee |
#' | **sessionid** | Id of session (empty) |
#'
#' @md
#'
#' @seealso [get_session_committees]
#'
#'
#' @examples
#' \dontrun{
#' coms <- get_all_committees()
#' head(coms)
#' }
#'
#' @import httr2 rvest
#' @export
get_all_committees <- function(){
url <- "https://data.stortinget.no/eksport/allekomiteer"
base <- request(url)
resp <- base |>
req_error(is_error = function(resp) FALSE) |>
req_perform()
if(resp$status_code != 200) {
stop(
paste0(
"Response of ",
url,
" is '",
resp |> resp_status_desc(),
"' (",
resp$status_code,
")."
),
call. = FALSE)
}
if(resp_content_type(resp) != "text/xml") {
stop(
paste0(
"Response of ",
url,
" returned as '",
resp_content_type(resp),
"'.",
" Should be 'text/xml'."),
call. = FALSE)
}
tmp <- resp |>
resp_body_html(check_type = FALSE, encoding = "utf-8")
tmp <- data.frame(response_date = tmp |> html_elements("komiteer_liste > komite > respons_dato_tid") |> html_text(),
version = tmp |> html_elements("komiteer_liste > komite > versjon") |> html_text(),
id = tmp |> html_elements("komiteer_liste > komite > id") |> html_text(),
name = tmp |> html_elements("komiteer_liste > komite > navn") |> html_text(),
sessionid = tmp |> html_elements("sesjon_id") |> html_text())
return(tmp)
}