#* @get /counter
function(req, res) {
count <- 0
if (!is.null(req$cookies$visitcounter)) {
count <- as.numeric(req$cookies$visitcounter)
}
# Most people won't need to concern themselves with the path argument.
# I do because of some peculiarities in how I'm hosting the examples.
res$setCookie("visitcounter", count+1, path="/")
return(paste0("This is visit #", count))
}
#* Example using req$session. Requires adding "session_cookie()" support to your API in order
#* to work:
#* @get /sessionCounter
function(req){
count <- 0
if (!is.null(req$session$counter)){
count <- as.numeric(req$session$counter)
}
req$session$counter <- count + 1
return(paste0("This is visit #", count))
}
#* @assets static
list()
#* @plumber
function(pr) {
pr %>%
pr_cookie("secret", "cookieName")
}
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