#' Information on locations
#'
#' @export
#' @template all
#' @inheritParams gs_traffic
#' @param ... Curl debugging options passed in to \code{\link[httr]{GET}}
#' @examples \dontrun{
#' res <- gs_gauge_list()
#' id = res$brief[ res$brief$title == 'Recology-Jekyll', "id"]
#' gs_locations(id=id)
#' }
gs_locations <- function(id, date=NULL, key=NULL, keyname='GaugesKey', ...)
{
if(is.null(key))
key <- getOption(keyname, stop("you need an API key for Gaug.es data"))
url <- sprintf('%s/gauges/%s/locations', gsbase(), id)
args <- compact(list(date=date))
out <- gs_GET(url, key, keyname, args, ...)
foo <- function(z){
if(length(z) == 0){ data.frame(title=NA,views=NA,key=NA) } else {
do.call(rbind.fill, lapply(z, function(y) data.frame(y,stringsAsFactors=FALSE) ))
}
}
temp <- lapply(out$locations, function(x)
data.frame(title=x$title,
key=x$key,
views=x$views,
foo(x$regions),
stringsAsFactors=FALSE)
)
tempdf <- do.call(rbind.fill, temp)
names(tempdf)[4:6] <- c('region_title','region_views','views_state')
tempdf <- tempdf[,c('title','key','views','region_title','views_state','region_views')]
meta <- out[!names(out) %in% "locations"]
return( list(metadata = meta, data=tempdf) )
}
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