added ofd scene, working http server

utils/utils.cpp

@@ -1,5 +1,6 @@
 #include "utils.h"
 
+#include <arpa/inet.h>
 #include <codecvt>
 #include <cstring>
 #include <iostream>
@@ -7,6 +8,37 @@
 #include <regex>
 #include <string>
 #include "../exceptions/ofdrequestexception.h"
+#include "settings/settings.h"
+#include <QWidget>
+#include <fstream>
+#include <ifaddrs.h>
+#include <netinet/in.h>
+
+std::string get_local_ip_address() {
+    struct ifaddrs * ifAddrStruct=NULL;
+    struct ifaddrs * ifa=NULL;
+    void * tmpAddrPtr=NULL;
+
+    getifaddrs(&ifAddrStruct);
+
+    for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
+        if (ifa->ifa_addr == nullptr) continue;
+        if (ifa->ifa_addr->sa_family==AF_INET) {
+            tmpAddrPtr=&((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
+            char addressBuffer[128];
+            inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN);
+
+            std::string value(addressBuffer);
+            if (!strncmp(value.c_str(), "192.168", 7)) {
+                return value;
+            }
+        }
+    }
+    if (ifAddrStruct!=NULL)
+        freeifaddrs(ifAddrStruct);
+
+    throw std::runtime_error(QWidget::tr("Could not find any usable local IP address. If you beleive that this is problem with the program, please, contact the developer.").toStdString());
+}
 
 std::string to_utf8(std::wstring wide_string) {
     static std::wstring_convert<std::codecvt_utf8<wchar_t>> utf8_conv;
@@ -94,8 +126,9 @@ std::vector<std::wstring> find_in_html(std::string& html, std::string regex, std
          it != end; it++) {
 
         std::wstring found_entry = from_utf8(it->str());
+        std::wcout << "Found: " << found_entry << std::endl;
         std::wstring extracted = substring_from_to(found_entry, from_utf8(html_start), from_utf8(html_end));
-
+        std::wcout << "Extracted: " << extracted << std::endl;
         parsed.push_back(extracted);
     }
     return parsed;
@@ -106,11 +139,42 @@ std::vector<std::wstring> find_products_in_html(std::string html) {
 }
 
 std::vector<std::wstring> find_amounts_in_html(std::string html) {
-    return find_in_html(html, "<span>\\d+<\\/span>", "<span>", "<\\/span>");
+    std::vector<std::wstring> founds = find_in_html(html, "<div><span>\\d+(\\.|\\,)?\\d{0,3}<\\/span>", "<span>", "<\\/span>");
+    for (auto &found : founds) {
+        std::replace(found.begin(), found.end(), ',', '.');
+    }
+
+    return founds;
 }
 
 std::vector<std::wstring> find_prices_in_html(std::string html) {
-    return find_in_html(html, "X <\\/span><span>\\d+\\.\\d{2}<\\/span>", "X <\\/span><span>", "<\\/span>");
+    std::vector<std::wstring> founds = find_in_html(html, "X <\\/span><span>\\d+(\\.|,)\\d{2}<\\/span>", "X <\\/span><span>", "<\\/span>");
+    for (auto &found : founds) {
+        std::replace(found.begin(), found.end(), ',', '.');
+    }
+
+    return founds;
+}
+
+void dumpVectorsToStderr(std::vector<std::wstring> &products, std::vector<std::wstring> &amounts, std::vector<std::wstring> &prices) {
+    std::cerr << "Products: ";
+    for (auto &product : products) {
+        std::cerr << to_utf8(product) << "|[]|";
+    }
+    std::cerr << std::endl;
+
+    std::cerr << "Amounts: ";
+    for (auto &amount : amounts) {
+        std::wcerr << amount << " ";
+    }
+    std::cerr << std::endl;
+
+    std::cerr << "Prices: ";
+    for (auto &price : prices) {
+        std::wcerr << price << " ";
+    }
+
+    std::cerr << std::endl;
 }
 
 Check parseOfdRuAnswer(std::string html) {
@@ -133,6 +197,10 @@ Check parseOfdRuAnswer(std::string html) {
     }
 
     if ((products.size() + amounts.size() + prices.size())/products.size() != 3) {
+        dumpVectorsToStderr(products, amounts, prices);
+        //TOOD: make new setting "app_home" and get all path using it.
+        std::ofstream error_log(get_path_relative_to_home(".local/share/checks_parser/error_log.txt"), std::ios_base::app);
+        error_log << trimmed << std::endl;
         std::cerr << "An error has occured during the parsing of html. Please, contact the developer." << std::endl;
         std::exit(-1);
     }

utils/utils.h

@@ -5,6 +5,7 @@
 #include <vector>
 #include "../check/check.h"
 
+std::string get_local_ip_address();
 std::string to_utf8(std::wstring wide_string);
 std::wstring from_utf8(std::string string);