Nothing
vkGetDbRegions <- function(
country_id,
q = NULL,
username = getOption("rvkstat.username"),
api_version = getOption("rvkstat.api_version"),
token_path = vkTokenPath(),
access_token = getOption("rvkstat.access_token")
)
{
# auth
if ( is.null(access_token) ) {
if ( Sys.getenv("RVK_API_TOKEN") != "" ) {
access_token <- Sys.getenv("RVK_API_TOKEN")
} else {
access_token <- vkAuth(username = username,
token_path = token_path)$access_token
}
}
if ( class(access_token) == "vk_auth" ) {
access_token <- access_token$access_token
}
# check query length
if(nchar(q) > 15 && !(is.null(q))){
stop(paste0("In query ( argument q ) max length is 15 characters. You enter ", nchar(q)," characters!"))
}
# result frame
result <- list()
# paging
offset <- 0
count <- 1000
last_iteration <- FALSE
while ( last_iteration == FALSE ) {
# API request
answer <- GET("https://api.vk.com/method/database.getRegions",
query = list(
country_id = country_id,
q = q,
offset = offset,
count = count,
access_token = access_token,
v = api_version
))
# check status
stop_for_status(answer)
# get answer body
dataRaw <- content(answer, "parsed", "application/json")
# check for error
if(!is.null(dataRaw$error)){
stop(paste0("Error ", dataRaw$error$error_code," - ", dataRaw$error$error_msg))
}
# add ti result
result <- append(result, dataRaw$response$items)
# check iteraction
if ( length( dataRaw$response$items ) < count ) {
last_iteration <- TRUE
}
# offset
offset <- offset + length( dataRaw$response$items )
# sleep
Sys.sleep(0.5)
}
# collect result
result <- bind_rows(result)
# end
return(result)
}
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