##' Get Property urls for Mio Affitto
##'
##' This function gets the urls for each of the detailed, property listing
##' pages.
##'
##' @param numPages The number of pages which should be loaded (and 15 urls are
##' generally scraped per page). If numPages is more than the number of pages
##' available (likely something in the ~2000 range), this function ends at the
##' last one (with a warning).
##'
##' @return A character vector containing the urls for all the individual
##' listings.
##'
##' @export
##'
getPropertyUrlsMioAffitto = function(numPages){
## Data Quality Checks
stopifnot(is.numeric(numPages))
base = "http://www.mioaffitto.it/search?provincia=77&poblacion=70708"
listingPages = c()
errors = 0
totalPages = getNumPagesMioAffitto()
if(numPages > totalPages){
warning("Only ", totalPages, " pages available! numPages has been ",
"adjusted down.")
numPages = totalPages
}
for(i in 1:numPages){
fail = try({
## Make sure i is never in scientific notation
url = paste0(base, "&page=", formatC(i, format = "f", digits = 0))
mainHtml <- read_html(url)
newPages = html_nodes(mainHtml, ".property-title")
newPages = sapply(newPages, html_attr, name = "href")
listingPages = c(listingPages, newPages)
})
if(is(fail, "try-error"))
errors = errors + 1
}
if(errors > 0)
warning("We had", errors, "errors on loading pages.")
return(listingPages)
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.