related_queries <- function(widget, comparison_item, tz, hl) {
i <- which(grepl("related_queries", widget$id, ignore.case = TRUE) == TRUE)
res <- lapply(i, create_related_queries_payload, widget = widget, tz = tz, hl = hl)
res <- do.call(rbind, res)
return(res)
}
create_related_queries_payload <- function(i, widget, tz, hl) {
payload2 <- list()
payload2$restriction$geo <- as.list(widget$request$restriction$geo[i, , drop = FALSE])
payload2$restriction$time <- widget$request$restriction$time[[i]]
payload2$restriction$originalTimeRangeForExploreUrl <- widget$request$restriction$originalTimeRangeForExploreUrl[[i]]
payload2$restriction$complexKeywordsRestriction$keyword <- widget$request$restriction$complexKeywordsRestriction$keyword[[i]]
payload2$restriction$complexKeywordsRestriction$operator <- widget$request$restriction$complexKeywordsRestriction$operator[[i]]
payload2$keywordType <- widget$request$keywordType[[i]]
payload2$metric <- widget$request$metric[[i]]
payload2$trendinessSettings$compareTime <- widget$request$trendinessSettings$compareTime[[i]]
payload2$requestOptions$property <- widget$request$requestOptions$property[[i]]
payload2$requestOptions$backend <- widget$request$requestOptions$backend[[i]]
payload2$requestOptions$category <- widget$request$requestOptions$category[[i]]
payload2$language <- widget$request$language[[i]]
payload2$userCountryCode <- widget$request$userCountryCode[[i]]
payload2$userConfig$userType <- widget$request$userConfig$userType[[i]]
url <- paste0(
URLencode("https://www.google.com/trends/api/widgetdata/relatedsearches/csv?req="),
URLencode(paste0(jsonlite::toJSON(payload2, auto_unbox = TRUE)), reserved = TRUE),
URLencode(paste0("&token=", widget$token[i])),
URLencode(paste0("&tz=", tz, "&hl=", hl))
)
# url <- encode_keyword(url)
# VY. use the handler with proxy options.
res <- curl::curl_fetch_memory(URLencode(url), handle = .pkgenv[["cookie_handler"]])
# Something went wrong
if (res$status_code != 200) {
stop("Status code was not 200. Returned status code:", res$status_code)
}
res <- readLines(textConnection(rawToChar(res$content)))
## Not enough data
## https://trends.google.ca/trends/explore?cat=20&date=today%205-y,today%205-y&geo=CA,US&q=NHL,NFL
if (length(res) <= 4) {
return(NULL)
}
# Extract top and rising data if it exists.
res <- extract_top_rising(res)
res$id <- NULL
res$geo <- unlist(payload2$restriction$geo, use.names = FALSE)
if (length(widget$request$restriction$complexKeywordsRestriction$operator) != 0) {
if (is.na(widget$request$restriction$complexKeywordsRestriction$operator[[i]])) {
res$keyword <- widget$request$restriction$complexKeywordsRestriction$keyword[[i]]$value
} else {
res$keyword <- paste(widget$request$restriction$complexKeywordsRestriction$keyword[[i]]$value, collapse = "+")
}
} else {
res$keyword <- widget$request$restriction$complexKeywordsRestriction$keyword[[i]]$value
}
res$category <- payload2$requestOptions$category
return(res)
}
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