Make sql connection public to share same connection pool. Layout calls for user info from DB. Implement login path.

src/GroovePlayer.h

@@ -66,11 +66,11 @@ public:
     };
     std::list<AudioTrack> requestQueue;
     std::list<PlayerEvent> lastInternalEvents;
+    Wt::Dbo::backend::Sqlite3* sqliteConnection;
+    Wt::Dbo::FixedSqlConnectionPool* connectionPool;
 private:
     GroovePlayerMgr (std::string dbFile);
     ~GroovePlayerMgr();
-    Wt::Dbo::backend::Sqlite3* sqliteConnection;
-    Wt::Dbo::FixedSqlConnectionPool* connectionPool;
     bool continueEventLoop = true;
     
     std::thread* grooveEvents;

src/ui/LoginInterface.cpp

@@ -18,12 +18,15 @@
  */
 
 #include "LoginInterface.h"
+#include "../db/UserAction.h"
 
 LoginInterface::LoginInterface(WebInterface* app) 
 {
     this->app = app;
+    //TODO: First check if cookie is set and if is a valid user. Skip login if valid.
     loginContainer = new Wt::WContainerWidget();
     loginLayout = new Wt::WVBoxLayout();
+    loginMessage = new Wt::WText("Please Login to access.");
     loginContainer->setLayout(loginLayout);
     usernameArea = new Wt::WHBoxLayout();
     passwordArea = new Wt::WHBoxLayout();
@@ -38,13 +41,78 @@ LoginInterface::LoginInterface(WebInterface* app)
     usernameArea->addWidget(usernameField);
     passwordArea->addWidget(new Wt::WText("Password:"));
     passwordArea->addWidget(passwordField);
-    loginLayout->addWidget(new Wt::WText("Please Login to access."));
+    loginLayout->addWidget(loginMessage);
     loginLayout->addWidget(usernameContainer);
     loginLayout->addWidget(passwordContainer);
     loginButton = new Wt::WPushButton("Login");
-    loginButton->clicked().connect(app, &WebInterface::loginCompleted);
+    loginButton->clicked().connect(this, &LoginInterface::loginCheck);
     setContentAlignment(Wt::AlignmentFlag::AlignCenter);
     loginLayout->addWidget(loginButton);
     addChild(loginContainer);
     loginContainer->setWidth(Wt::WLength(50, Wt::WLength::Percentage));
 }
+
+void LoginInterface::loginCheck()
+{
+    //Reset message in case of success.
+    loginMessage->setText("Please Login to access.");
+    loginMessage->decorationStyle().setForegroundColor(Wt::WColor("black"));
+    
+    //First, check if username and password are filled.
+    if(usernameField->text().empty() || passwordField->text().empty())
+    {
+        loginMessage->setText("Please fill out username and password.");
+        loginMessage->decorationStyle().setForegroundColor(Wt::WColor("red"));
+        return;
+    }
+    
+    Wt::Dbo::Session sqlSession;
+    sqlSession.setConnectionPool(*GroovePlayerMgr::getInstance()->connectionPool);
+    sqlSession.mapClass<User>("user");
+    sqlSession.mapClass<AudioTrack>("tracks");
+    sqlSession.mapClass<UserAction>("actions");
+    
+    //Check if there are any users. If not, use the username/password as new admin user.
+    if(getUserCount(&sqlSession) < 1)
+    {
+        createUser(&sqlSession, usernameField->text().toUTF8(),passwordField->text().toUTF8(), true);
+    }
+    //Check if the credentials match anything in the DB. If so, store cookie to skip login.
+    if(getUserForLoginAuth(&sqlSession, usernameField->text().toUTF8(),passwordField->text().toUTF8()) != nullptr)
+    {
+        app->currentUser = *getUserForLoginAuth(&sqlSession, usernameField->text().toUTF8(),passwordField->text().toUTF8());
+        setLocalCookieForUser(app->currentUser);
+        app->loginCompleted();
+    }
+    //If credentials don't match, reject user with message saying crednetials are wrong and they can ask an admin to make them an account.
+    else
+    {
+        loginMessage->setText("Username or password is incorrect. Do you have an account?");
+        loginMessage->decorationStyle().setForegroundColor(Wt::WColor("red"));
+    }
+}
+
+void LoginInterface::createUser(Wt::Dbo::Session* session, std::string username, std::string rawPassword, bool isAdmin)
+{
+    //TODO
+}
+
+int LoginInterface::getUserCount(Wt::Dbo::Session* session)
+{
+    //TODO
+}
+
+User* LoginInterface::getUserForLoginCookie(Wt::Dbo::Session* session, std::string cookie)
+{
+    //TODO
+}
+
+User* LoginInterface::getUserForLoginAuth(Wt::Dbo::Session* session, std::string username, std::string rawPassword)
+{
+    //TODO
+}
+
+void LoginInterface::setLocalCookieForUser(User user)
+{
+    //TODO
+}

src/ui/LoginInterface.h

@@ -27,6 +27,7 @@
 #include <Wt/WLineEdit>
 #include <Wt/WText>
 #include "../WebInterface.h"
+#include <Wt/Dbo/Session>
 
 class LoginInterface :  public Wt::WContainerWidget
 {
@@ -42,7 +43,14 @@ private:
     Wt::WContainerWidget* passwordContainer;
     Wt::WLineEdit* usernameField;
     Wt::WLineEdit* passwordField;
+    Wt::WText* loginMessage;
     WebInterface* app;
+    void loginCheck();
+    void createUser(Wt::Dbo::Session* session, std::string username, std::string rawPassword, bool isAdmin);
+    int getUserCount(Wt::Dbo::Session* session);
+    User* getUserForLoginCookie(Wt::Dbo::Session* session, std::string cookie);
+    User* getUserForLoginAuth(Wt::Dbo::Session* session, std::string username, std::string rawPassword);
+    void setLocalCookieForUser(User user);
 };
 
 #endif // LOGININTERFACE_H