easy access to admin information

src/app.cpp

@@ -27,6 +27,7 @@
 #include <Wt/Json/Array.h>
 #include <Wt/Json/Object.h>
 #include <Wt/Json/Serializer.h>
+#include <Wt/Json/Parser.h>
 #include <Wt/WLink.h>
 #include <Wt/WFileResource.h>
 #include <Wt/WTable.h>
@@ -524,11 +525,129 @@ void App::onInternalPathChanged(const std::string &path) {
         showStandardPage();
     } else if (path == "/partners") {
         showPartnerSites();
+    } else if (path == "/adm/info/logins" || path == "/adm/info/starts") {
+        showAdminPage(path);
     } else {
         setInternalPath("/", true);
     }
 }
 
+void App::showAdminPage(std::string page) {
+    if (isLoggedInAsAdmin) {
+        if (page == "/adm/info/logins") {
+            showAdminLogins();
+        } else if (page == "/adm/info/starts") {
+            showAdminStarts();
+        } else {
+            showPageNotExists();
+        }
+        return;
+    }
+    showAdminLogin(page);
+}
+
+void App::showAdminLogin(std::string page) {
+    contentContainer_->clear();
+    auto loginContainer = contentContainer_->addNew<Wt::WContainerWidget>();
+    loginContainer->addNew<Wt::WText>("Name:");
+    auto nameEdit = loginContainer->addNew<Wt::WLineEdit>();
+    loginContainer->addNew<Wt::WBreak>();
+    loginContainer->addNew<Wt::WText>("Password:");
+    auto passwordEdit = loginContainer->addNew<Wt::WLineEdit>();
+    passwordEdit->setEchoMode(Wt::EchoMode::Password);
+    loginContainer->addNew<Wt::WBreak>();
+    auto loginButton = loginContainer->addNew<Wt::WPushButton>("Login");
+    auto messageLabel = loginContainer->addNew<Wt::WText>();
+    auto loginAction = [=, this] {
+        if (nameEdit->text().toUTF8() == adminName && passwordEdit->text().toUTF8() == adminPassword) {
+            isLoggedInAsAdmin = true;
+            messageLabel->setText("");
+            showAdminPage(page);
+        } else {
+            isLoggedInAsAdmin = false;
+            messageLabel->setText("Incorrect username or password.");
+            messageLabel->decorationStyle().setForegroundColor(Wt::WColor("red"));
+        }
+    };
+    loginButton->clicked().connect(loginAction);
+    passwordEdit->enterPressed().connect(loginAction);
+}
+
+void App::showPageNotExists() {
+    contentContainer_->clear();
+    auto errorMessageLabel = contentContainer_->addNew<Wt::WText>("Error 400 - Page not found");
+    errorMessageLabel->decorationStyle().setForegroundColor(Wt::WColor("red"));
+}
+
+void App::showAdminLogins() {
+    contentContainer_->clear();
+    contentContainer_->addNew<Wt::WText>("<h2>Logins</h2>", Wt::TextFormat::UnsafeXHTML);
+    std::ifstream file("../logs/logins.log");
+    if (!file.is_open()) {
+        contentContainer_->addNew<Wt::WText>("Error opening file.");
+        return;
+    }
+    std::stringstream buffer;
+    buffer << file.rdbuf();
+    std::string fileContent = buffer.str();
+    Wt::Json::Array jsonArray;
+    Wt::Json::parse(fileContent, jsonArray);
+    auto table = contentContainer_->addNew<Wt::WTable>();
+    table->setHeaderCount(1);
+    table->elementAt(0, 0)->addNew<Wt::WText>("Name");
+    table->elementAt(0, 1)->addNew<Wt::WText>("Country");
+    table->elementAt(0, 2)->addNew<Wt::WText>("Gender");
+    table->elementAt(0, 3)->addNew<Wt::WText>("Age");
+    int row = 1;
+    for (const auto& item : jsonArray) {
+        Wt::Json::Object jsonData = item;
+        std::string name = jsonData.get("name").orIfNull("");
+        std::string country = jsonData.get("country").orIfNull("");
+        std::string gender = jsonData.get("gender").orIfNull("");
+        int age = jsonData.get("age").orIfNull(0);
+        auto nameCell = table->elementAt(row, 0)->addNew<Wt::WText>(name);
+        nameCell->setStyleClass("padding-right");
+        auto countryCell = table->elementAt(row, 1)->addNew<Wt::WText>(country);
+        countryCell->setStyleClass("padding-right");
+        auto genderCell = table->elementAt(row, 2)->addNew<Wt::WText>(gender);
+        genderCell->setStyleClass("padding-right");
+        table->elementAt(row, 3)->addNew<Wt::WText>(std::to_string(age));
+        row++;
+    }
+}
+
+
+void App::showAdminStarts() {
+    contentContainer_->clear();
+    contentContainer_->addNew<Wt::WText>("<h2>Chat starts</h2>", Wt::TextFormat::UnsafeXHTML);
+    std::ifstream file("../logs/starts.log");
+    if (!file.is_open()) {
+        contentContainer_->addNew<Wt::WText>("Error opening file.");
+        return;
+    }
+    auto table = contentContainer_->addNew<Wt::WTable>();
+    table->setHeaderCount(1);
+    table->elementAt(0, 0)->addNew<Wt::WText>("Datum");
+    table->elementAt(0, 1)->addNew<Wt::WText>("Uhrzeit");
+    std::string line;
+    int row = 1;
+    while (std::getline(file, line)) {
+        std::istringstream ss(line);
+        std::tm tm{};
+        ss >> std::get_time(&tm, "%Y-%m-%d %H:%M:%S");
+        std::ostringstream dateStream;
+        std::ostringstream timeStream;
+        dateStream.imbue(std::locale("de_DE.utf8"));
+        timeStream.imbue(std::locale("de_DE.utf8"));
+        dateStream << std::put_time(&tm, "%d.%m.%Y");
+        timeStream << std::put_time(&tm, "%H:%M:%S");
+        auto dateCell = table->elementAt(row, 0)->addNew<Wt::WText>(dateStream.str());
+        dateCell->setStyleClass("padding-right");
+        table->elementAt(row, 1)->addNew<Wt::WText>(timeStream.str());
+        row++;
+    }
+}
+
 Wt::WContainerWidget* App::createSmileyButton(Wt::WHBoxLayout* inputLayout, Wt::WLineEdit* inputLine, std::shared_ptr<int> cursorPosition) {
     auto smileyButton = inputLayout->addNew<Wt::WContainerWidget>();
     smileyButton->addNew<Wt::WImage>(Wt::WLink("/smileys.png"));