R/UnblockWorker.R

In cloudyr/MTurkR: R Client for the MTurk Requester API

UnblockWorker <-
UnblockWorkers <-
unblock <-
function (workers, reasons = NULL, verbose = getOption('MTurkR.verbose', TRUE), ...){
    operation <- "UnblockWorker"
    if (is.factor(workers)) {
        workers <- as.character(workers)
    }
    if (length(workers) > 1) {
        if (!is.null(reasons)) {
            if (is.factor(reasons)) {
                reasons <- as.character(reasons)
            }
            if (length(reasons) == 1) {
                reasons <- rep(reasons, length(workers))
            } else if (!length(workers) == length(reasons)) {
                stop("length(reason) must equal length(workers) or 1")
            }
        }
    }
    Workers <- emptydf(length(workers), 3, c("WorkerId", "Reason", "Valid"))
    for (i in 1:length(workers)) {
        GETparameters <- paste("&WorkerId=", workers[i], sep = "")
        if (!is.null(reasons[i])) {
            GETparameters <- paste(GETparameters, "&Reason=", curl_escape(reasons[i]), sep = "")
        }
        request <- request(operation, GETparameters = GETparameters, ...)
        if (is.null(request$valid)) {
            return(request)
        }
        if (request$valid) {
            if (verbose) {
                message(i, ": Worker ", workers[i], " Unblocked")
            }
            if (is.null(reasons)) {
                Workers[i, ] = c(workers[i], NA_character_, request$valid)
            } else {
                Workers[i, ] = c(workers[i], reasons[i], request$valid)
            }
        } else if (!request$valid & verbose) {
            warning(i, ": Invalid Request for worker ", workers[i])
        }
    }
    Workers$Valid <- factor(Workers$Valid, levels=c('TRUE','FALSE'))
    return(Workers)
}