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#' Retrieve vote results on MP level for a specified vote
#'
#' A function for retrieving vote results from a specific vote on MP level. Vote data are only available from the 2011-2012 session.
#' Needs some preprocessing for use with rollcall packages, such as \link[pscl]{ideal}.
#'
#' @usage get_result_vote(voteid = NA, good_manners = 0)
#'
#' @param voteid Character string indicating the id of the vote to request all votes from
#' @param good_manners Integer. Seconds delay between calls when making multiple calls to the same function
#'
#' @return A data.frame with the following variables:
#'
#' | | |
#' |:----------------------|:-------------------------------------------------------------------------|
#' | **response_date** | Date of data retrieval |
#' | **version** | Data version from the API |
#' | **vote_id** | Id of vote |
#' | **mp_id** | MP id |
#' | **party_id** | Party id |
#' | **vote** | Vote: for, mot (against), ikke_tilstede (absent) |
#' | **permanent_sub_for** | Id of the MP originally holding the seat, if the substitute is permanent |
#' | **sub_for** | Id of the MP originally holding the seat |
#'
#' @md
#'
#' @seealso [get_decision_votes] [get_proposal_votes] [get_vote] [get_mp_bio]
#'
#' @examples
#'
#' \dontrun{
#'
#' v <- get_result_vote(12345)
#' table(v$vote)
#'
#' p <- get_proposal_votes(12345)
#'
#' stringr::str_replace_all(p$proposal_vote$proposal_text,
#' "\\<(.*)\\>|\\r\\n", "") |>
#' stringr::str_trim()
#' }
#'
#' @import rvest httr2
#'
#' @export
#'
get_result_vote <- function(voteid = NA, good_manners = 0){
url <- paste0("https://data.stortinget.no/eksport/voteringsresultat?voteringid=", voteid)
base <- request(url)
resp <- base |>
req_error(is_error = function(resp) FALSE) |>
req_perform()
if(resp$status_code != 200) {
stop(
paste0(
"Response of ",
url,
" is '",
resp |> resp_status_desc(),
"' (",
resp$status_code,
")."
),
call. = FALSE)
}
if(resp_content_type(resp) != "text/xml") {
stop(
paste0(
"Response of ",
url,
" returned as '",
resp_content_type(resp),
"'.",
" Should be 'text/xml'."),
call. = FALSE)
}
tmp <- resp |>
resp_body_html(check_type = FALSE, encoding = "utf-8")
if(identical(tmp |> html_elements("representant_voteringsresultat") |> html_text(), character()) == FALSE){
tmp2 <- data.frame(response_date = tmp |> html_elements("voteringsresultat_oversikt > respons_dato_tid") |> html_text(),
version = tmp |> html_elements("voteringsresultat_oversikt > versjon") |> html_text(),
vote_id = tmp |> html_elements("voteringsresultat_oversikt > votering_id") |> html_text(),
mp_id = tmp |> html_elements("representant_voteringsresultat > representant > id") |> html_text(),
party_id = tmp |> html_elements("representant_voteringsresultat > representant > parti > id") |> html_text(),
vote = tmp |> html_elements("representant_voteringsresultat > votering") |> html_text())
sub_holder <- lapply(tmp |> html_elements("representant_voteringsresultat"), function(x){
x |> html_elements("fast_vara_for > id") |> html_text()
})
tmp2$permanent_sub_for <- unlist(sapply(sub_holder, function(x) {
if(identical(x, character())) {
x <- NA
}
x
}))
sub_holder <- lapply(tmp |> html_elements("representant_voteringsresultat"), function(x){
x |> html_elements("vara_for > id") |> html_text()
})
tmp2$sub_for <- unlist(sapply(sub_holder, function(x) {
if(identical(x, character())) {
x <- NA
}
x
}))
} else {
tmp2 <- data.frame(response_date = tmp |> html_elements("voteringsresultat_oversikt > respons_dato_tid") |> html_text(),
version = tmp |> html_elements("voteringsresultat_oversikt > versjon") |> html_text(),
vote_id = tmp |> html_elements("voteringsresultat_oversikt > votering_id") |> html_text(),
mp_id = NA,
party_id = NA,
vote = NA,
permanent_sub_for = NA,
sub_for = NA)
}
Sys.sleep(good_manners)
return(tmp2)
}
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