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#' RobinHood API: Historicals
#'
#' Backend function called by get_historicals(). Returns a data frame of historical price data.
#'
#' @param RH object of class RobinHood
#' @param historicals_url (string) api url
#' @param body (string) api body
#' @import httr magrittr
#' @export
api_historicals <- function(RH, historicals_url, body) {
# URL and token
url <- paste(historicals_url, "?", body, sep = "")
token <- paste("Bearer", RH$api_response.access_token)
# GET call
dta <- GET(url,
add_headers("Accept" = "application/json",
"Content-Type" = "application/json",
"Authorization" = token))
httr::stop_for_status(dta)
# Format return
dta <- RobinHood::mod_json(dta, "fromJSON")
dta <- as.data.frame(dta$results$historicals)
dta <- dta %>%
dplyr::mutate_at(c("open_price", "close_price", "high_price", "low_price", "volume"), as.numeric) %>%
dplyr::mutate_at("begins_at", lubridate::ymd_hms)
return(dta)
}
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