#' Get status of a workflow
#'
#' Retrieves the current state for a workflow
#'
#' @param x Cromwell API endpoint of \code{WorkflowIdAndStatus} object.
#' @param ... not used
#'
#' @return \code{WorkflowIdAndStatus} object containing status and id.
#'
#' @examples
#' \dontrun{
#' host <- "http://localhost:8000"
#' workflow <- system.file("extdata/workflow.wdl", package = "CromwellClient")
#' inputs <- system.file("extdata/inputs.json", package = "CromwellClient")
#' job <- submit(host, workflow, inputs)
#' status(job)
#' }
#'
#' @rdname status
#' @export
status <- function(x, ...)
{
UseMethod("status", x)
}
#' @param id A workflow ID.
#' @param version Cromwell API Version.
#'
#' @rdname status
#' @export
status.character <- function(x, id, version = "v1", ...)
{
url <- file.path(x, "api/workflows", version, id, "status")
response <- httr::GET(url, cromwellAgent())
if (httr::http_error(response)) {
stop(paste0("Cromwell API request failed.
Code: ", httr::status_code(response), "
Message: ", jsonlite::fromJSON(httr::content(response, "text"))$message), call. = FALSE)
}
if (httr::http_type(response) != "application/json") {
stop("API did not return json", call. = FALSE)
}
content <- jsonlite::fromJSON(httr::content(response, "text"))
structure(
list(
id = content$id,
status = content$status,
host = x,
version = version
),
class = "WorkflowIdAndStatus"
)
}
#' @rdname status
#' @export
status.WorkflowIdAndStatus <- function(x, ...)
{
status(x = x$host, id = x$id, version = x$version)
}
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