Add display of cache sizes

cache.cpp

@@ -13,7 +13,7 @@ static float degtorad(float x) {
 
 void Cache::show() const {
 	std::cout << "Cache:\t" << code << ' ' << name << " (type: " << type << ", owned by " << owner << ")\n";
-	std::cout << '\t' << pos.lat << " " << pos.lon << "\t\tD/T: " << diff << '/' << terr << "\t\tFound on " << date() << '\n';
+	std::cout << '\t' << pos.lat << " " << pos.lon << "\t\tD/T: " << diff << '/' << terr << "\t\tSize: " << size << "\t\tFound on " << date() << '\n';
 }
 
 std::string Cache::link() const {

geostat.cpp

@@ -307,6 +307,7 @@ int main(int argc, char** argv) {
 
 	if ((show_types || show_html) && !get_not_found) {
 		show_histogram(&cc, &Cache::type, "Cache types", show_html);
+		show_histogram(&cc, &Cache::size, "Cache sizes", show_html);
 		if (!show_html) show_histogram(&cc, &Cache::origin, "Services", 0);
 		show_histogram(&cc, &Cache::region, "Regions", show_html);
 	}

okapi.cpp

@@ -75,7 +75,7 @@ std::string Okapi::get_user_caches_json(std::string uuid, int count, int offset)
 
 std::string Okapi::get_caches_json(std::string codes) {
 	std::string service = url + OKAPI_caches;
-	std::string query = "consumer_key=" + key + "&cache_codes=" + codes + "&fields=code|name|location|type|status|difficulty|terrain|owner|region";
+	std::string query = "consumer_key=" + key + "&cache_codes=" + codes + "&fields=code|name|location|type|status|difficulty|terrain|owner|region|size2";
 	return curl_post(service, query);
 }
 
@@ -125,6 +125,7 @@ Caches Okapi::get_caches(std::vector<std::pair<std::string, std::tm>> codes) {
 			c.code = el.value()["code"];
 			c.name = el.value()["name"];
 			c.type = el.value()["type"];
+			c.size = el.value()["size2"];
 			c.region = el.value()["region"];
 			c.diff = el.value()["difficulty"];
 			c.terr = el.value()["terrain"];