handling incorrect captcha and check not found cases

utils/utils.cpp

@@ -6,6 +6,7 @@
 #include <locale>
 #include <regex>
 #include <string>
+#include "../exceptions/ofdrequestexception.h"
 
 std::string to_utf8(std::wstring wide_string) {
     static std::wstring_convert<std::codecvt_utf8<wchar_t>> utf8_conv;
@@ -120,6 +121,15 @@ Check parseOfdRuAnswer(std::string html) {
     std::vector<std::wstring> amounts = find_amounts_in_html(trimmed);
     std::vector<std::wstring> prices = find_prices_in_html(trimmed);
 
+    if ((products.size() + amounts.size() + prices.size()) == 0) {
+        if (html == "Bad Request4") { // Failed to solve a captcha
+            throw OfdRequestException("Incorrect captcha");
+        } else { // Most likely that the check does not exist
+            throw OfdRequestException("Does not exist");
+        }
+        return Check();
+    }
+
     if ((products.size() + amounts.size() + prices.size())/products.size() != 3) {
         std::cerr << "An error has occured during the parsing of html. Please, contact the developer." << std::endl;
         std::exit(-1);