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#' Retrieve all decisions for a specified session
#'
#' A function for retrieving all decisions from a specific parliamentary session.
#'
#' @usage get_session_decisions(sessionid = NA, good_manners = 0)
#'
#' @param sessionid Character string indicating the id of the session 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 |
#' | **session_id** | Session id |
#' | **decision_id** | Decision id |
#' | **case_id** | Case id |
#' | **case_link_url** | URL for case to front end web page |
#' | **decision_date** | Decision date |
#' | **decision_link_url** | URL for decision to front end web page |
#' | **decision_number** | Decision number within session |
#' | **decision_text** | Decision text |
#' | **decision_title** | Decision title |
#' | **decision_type_id** | Decision type id |
#' | **decision_type_name** | Decision type name |
#'
#'
#'
#' @seealso [get_decision_votes]
#'
#' @examples
#'
#' \dontrun{
#'
#' desci <- get_session_decisions("2004-2005")
#' head(desci)
#' }
#'
#' @import rvest httr2
#'
#' @export
#'
get_session_decisions <- function(sessionid = NA, good_manners = 0){
url <- paste0("https://data.stortinget.no/eksport/stortingsvedtak?sesjonid=", sessionid)
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")
tmp2 <- data.frame(response_date = tmp %>% html_elements("stortingsvedtak_oversikt > respons_dato_tid") %>% html_text(),
version = tmp %>% html_elements("stortingsvedtak_oversikt > versjon") %>% html_text(),
session_id = tmp %>% html_elements("stortingsvedtak_oversikt > sesjon_id") %>% html_text(),
decision_id = tmp %>% html_elements("stortingsvedtak > id") %>% html_text(),
case_id = tmp %>% html_elements("stortingsvedtak > sak_id") %>% html_text(),
case_link_url = tmp %>% html_elements("stortingsvedtak > sak_lenke_url") %>% html_text(),
decision_date = tmp %>% html_elements("stortingsvedtak > stortingsvedtak_dato_tid") %>% html_text(),
decision_link_url = tmp %>% html_elements("stortingsvedtak > stortingsvedtak_lenke_url") %>% html_text(),
decision_number = tmp %>% html_elements("stortingsvedtak > stortingsvedtak_nummer") %>% html_text(),
decision_text = tmp %>% html_elements("stortingsvedtak > stortingsvedtak_tekst") %>% html_text(),
decision_title = tmp %>% html_elements("stortingsvedtak > stortingsvedtak_tittel") %>% html_text())
decision_type_id <- lapply(tmp %>% html_elements("stortingsvedtak > stortingsvedtak_type"), function(x){
tmp_id <- x %>% html_elements("id") %>% html_text()
if(identical(tmp_id, character())){
tmp_id <- NA
}
return(tmp_id)
})
decision_type_name <- lapply(tmp %>% html_elements("stortingsvedtak > stortingsvedtak_type"), function(x){
tmp_id <- x %>% html_elements("navn") %>% html_text()
if(identical(tmp_id, character())){
tmp_id <- NA
}
return(tmp_id)
})
tmp2$decision_type_id <- do.call(c, decision_type_id)
tmp2$decision_type_name <- do.call(c, decision_type_name)
Sys.sleep(good_manners)
return(tmp2)
}
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