Handle input after the action passed and check for user's existence.

app/Bootstrap.cpp

@@ -20,13 +20,14 @@ void main()
 			{
 				toast(string(e.what()), string("error"));
 
-				sleepAndClearBuffer(console.getDelay());
+				sleepAndFlushInput(console.getDelay());
 				clearPreviousLines(0);
 			}
 		} while (!console.shouldExit());
 	}
 	catch (const invalid_argument &e)
 	{
+		clearScreen();
 		toast(string(e.what()), string("error"));
 	}
 	catch (const system_error &e)

app/Console.cpp

@@ -287,10 +287,7 @@ Console::~Console()
 	wbkgd(stdscr, COLOR_PAIR(1));
 	printString("Program exited the main console.\n");
 
-	// This or use the windows Sleep.
-	// Maybe better Sleep.
-	//timeout(this->delay);
-	getch();
+	sleepAndFlushInput(this->delay);
 
 	endwin();
 	refresh();

app/Controller.cpp

@@ -5,6 +5,7 @@
 // Well, just a general controller... not much to see here.
 string Controller::userInputString = "@input-";
 string Controller::outputString = "@output-";
+string Controller::actionString = "@action-";
 
 vector<string> Controller::errorBag = {};
 
@@ -22,6 +23,9 @@ void Controller::prepareView()
 	if (this->hasInput(copyChunk))
 	{
 		this->controllerAttributions.push_back("input");
+
+		// Pass the corresposing action to userInputs.
+		this->prepareAction(copyChunk);
 	}
 	if (this->hasOutput(copyChunk))
 	{
@@ -80,39 +84,41 @@ void Controller::prepareViewInput(const string &subChunk, const string &inputAli
 		const char backspace = 8;
 
 		unsigned char ch = 0;
-		
+
 		noecho();
 		while ((ch = getch()) != carriage_return)
 		{
 			if (ch == backspace && userInput.size())
 			{
-				printw("\b \b");
-				refresh();
+				// Otherwise the previous character will still remain on the screen if not replaced with a whitespace.
+				printString("\b \b");
 				userInput.resize(userInput.size() - 1);
 			}
 			else if (ch != backspace)
 			{
 				userInput += ch;
-				printw("*");
-				refresh();
+				printString("*");
 			}
 		}
-
-		// Re-enable input and render the previous carriage return.
 		echo();
-		printString("\n");
 	}
 	else
 	{
-		//getline(cin, userInput);
 		getString(userInput);
 	}
 
-	printString("\n");
-
 	this->userInputs[inputAlias] = userInput;
 }
 
+void Controller::prepareAction(string &chunk)
+{
+	this->userInputs["action"] = chunk.substr(chunk.find(Controller::actionString) + Controller::actionString.size(),
+											  chunk.find("\n", chunk.find(Controller::actionString)) - chunk.find(Controller::actionString) - Controller::actionString.size());
+
+	chunk.erase(chunk.find(Controller::actionString),
+		(Controller::actionString + this->userInputs["action"]).size() + 1);
+}
+
 void Controller::pushError(string &error)
 {
 	if (error == "")
@@ -145,6 +151,7 @@ Controller::Controller(char *viewName, string &viewChunk, string &ViewExtension)
 	string controllerName = viewName;
 	controllerName.erase(controllerName.find(ViewExtension), ViewExtension.size()).append("Controller");
 
+	// Enable input echoing when typing.
 	echo();
 
 	this->controllerName = new char[controllerName.size() + 1];
@@ -175,7 +182,7 @@ void Controller::chopChunkAndGetAlias(string &chunk)
 
 	this->prepareViewInput(chunk.substr(0, chunk.find(Controller::userInputString) - 1), inputAlias);
 
-	chunk.erase(0, chunk.find(inputAlias) + inputAlias.size() + 2);
+	chunk.erase(0, chunk.find(inputAlias) + inputAlias.size() + 1);
 }
 
 // Don't assign it multiple times, stupid.

app/Controller.h

@@ -11,6 +11,7 @@ class Controller {
 private:
 	static string userInputString;
 	static string outputString;
+	static string actionString;
 
 	static vector<string> errorBag;
 
@@ -23,6 +24,8 @@ class Controller {
 	void justShow();
 	void prepareView();
 	void prepareViewInput(const string &, const string &);
+	void prepareAction(string &);
+	void chopChunkAndGetAlias(string &);
 public:
 	static void pushError(string &);
 	static vector<string> getErrorBag();
@@ -36,8 +39,6 @@ class Controller {
 	vector<string> &getControllerAttributions();
 	char *getControllerName();
 
-	void chopChunkAndGetAlias(string &);
-
 	void operator=(const Controller &);
 
 	~Controller();

app/Helpers.cpp

@@ -6,7 +6,7 @@ void toLowerCase(string &input)
 			  [](unsigned char ch) { return tolower(ch); });
 }
 
-void sleepAndClearBuffer(unsigned delay)
+void sleepAndFlushInput(unsigned delay)
 {
 	Sleep(delay);
 	flushinp();

app/Helpers.h

@@ -28,7 +28,7 @@ inline bool isInMap(map<FirstT, SecondT> &haystack, FirstT needle)
 void printVector(vector<string> &);
 void toast(string &, string &);
 void toLowerCase(string &);
-void sleepAndClearBuffer(unsigned);
+void sleepAndFlushInput(unsigned);
 void clearScreen();
 void getString(string &);
 void printString(const char *);

app/Model.cpp

@@ -34,7 +34,7 @@ void Model::confirmInput(const map<string, string> &payLoad)
 {
 	this->rawInput = payLoad;
 
-	string entityName = this->parseEntityName(this->rawInput.begin()->first),
+	string entityName = this->parseEntityName((++this->rawInput.begin())->first),
 		inputAlias;
 
 	if (this->repository == NULL)
@@ -44,6 +44,14 @@ void Model::confirmInput(const map<string, string> &payLoad)
 
 	for (map<string, string>::iterator it = this->rawInput.begin(); it != this->rawInput.end(); it++)
 	{
+		// Skip truncation for action.
+		if (it->first == "action")
+		{
+			this->truncatedInput["action"] = it->second;
+
+			continue;
+		}
+
 		inputAlias = it->first;
 		inputAlias.erase(0, entityName.size() + 1);
 

app/UserModel.cpp

@@ -12,6 +12,9 @@ User UserModel::getAfterUser(string &username)
 		}
 	}
 
+	// Otherwise if we reach the end of the file, the eof flag will be set and write will fail.
+	this->io.clear();
+
 	throw invalid_argument("Username not found!");
 }
 
@@ -20,6 +23,8 @@ User UserModel::getAfterId(int id)
 	this->io.seekg((id - 1) * sizeof(User), this->io.beg);
 	this->io.read(reinterpret_cast<char *>(&this->user), sizeof(User));
 
+	this->io.clear();
+
 	return this->user;
 }
 
@@ -35,9 +40,30 @@ User UserModel::getActive()
 		}
 	}
 
+	this->io.clear();
+
 	throw exception("No active user!");
 }
 
+bool UserModel::userExists(string &username)
+{
+	User user;
+
+	this->io.seekg(0, this->io.beg);
+
+	while (this->io.read(reinterpret_cast<char *>(&user), sizeof(User)))
+	{
+		if (user.username == username)
+		{
+			return true;
+		}
+	}
+
+	this->io.clear();
+
+	return false;
+}
+
 void UserModel::markAs(string &status, int id)
 {
 	this->getAfterId(id);
@@ -51,6 +77,7 @@ void UserModel::markAs(string &status, int id)
 void UserModel::save()
 {
 	this->io.seekp((this->user.id - 1) * sizeof(User), this->io.beg);
+
 	this->io.write(reinterpret_cast<char *>(&this->user), sizeof(User));
 }
 
@@ -81,7 +108,7 @@ void UserModel::setAttributes(map<string, string> &cleanInputs)
 	}
 
 	// If there's a new user, assign created_at with the current date.
-	if (strlen(this->user.full_name) != 0)
+	if (cleanInputs.find("action")->second == "signup")
 	{
 		time_t t = time(nullptr);
 		strftime(this->user.created_at, sizeof(this->user.created_at), "%c", localtime(&t));
@@ -149,6 +176,8 @@ void UserModel::setLastId()
 		this->io.seekg((this->fileSize / sizeof(User) - 1) * sizeof(User), this->io.beg);
 		this->io.read(reinterpret_cast<char *>(&this->user), sizeof(User));
 
+		this->io.clear();
+
 		this->lastId = this->user.id;
 	}
 }

app/UserModel.h

@@ -42,6 +42,7 @@ class UserModel : public ModelInterface {
 	User getAfterId(int);
 	User getActive();
 
+	bool userExists(string &);
 	void markAs(string &, int);
 	void save();
 	void setAttributes(map<string, string> &);

app/UserRepository.cpp

@@ -10,7 +10,8 @@ void UserRepository::defineValidation()
 		{ "fullname", "^(?=.*(?:[\\s\\-])([a-zA-Z]+\\s?)+)([a-zA-Z]+)(?:[\\s\\-]).*$" },
 		{ "email", "^(?!.*[._]{2})[a-z0-9._]+@[a-z0-9]+(\\.[a-z]{1,3}){1,2}$" },
 		{ "username", "^(?=.{7,19}$)(?![^a-zA-Z0-9])(?!.*[!_\\-\\.]{2})[a-zA-Z0-9\\.\\-_]+$" },
-		{ "password", "^(?=.{5,16}$)(?=.*[A-Z])(?=.*[0-9])(?=.*[!\\-_@.$#])[a-zA-Z0-9!\\-_@.$#]+$" }
+		{ "password", "^(?=.{5,16}$)(?=.*[A-Z])(?=.*[0-9])(?=.*[!\\-_@.$#])[a-zA-Z0-9!\\-_@.$#]+$" },
+		{ "action", "^(?!.*\\W+)(?!.*[A-Z]+)[a-z]+$" }
 	};
 
 	this->ValidationErrors = {
@@ -34,7 +35,9 @@ void UserRepository::receiveCleanInput(map<string, string> &cleanInput)
 {
 	this->model.setAttributes(cleanInput);
 
-	if (cleanInput.find("fullname") == cleanInput.end())
+	string action = cleanInput.find("action")->second;
+
+	if (action == "login")
 	{
 		try
 		{
@@ -57,14 +60,24 @@ void UserRepository::receiveCleanInput(map<string, string> &cleanInput)
 			Controller::pushError(string(e.what()));
 		}
 	}
+	else if (action == "signup")
+	{
+		// Try finding the user and validate the request.
+		if (this->model.userExists(cleanInput.find("username")->second)) {
+			Controller::pushError(string("The username already exists!"));
+		}
+		else {
+			toast(string("Account created successfully! Please press -c- confirm your access to the dashboard."), string("success"));
+			printString("\n");
+
+			this->model.save();
+		}
+	}
 	else
 	{
-		// TODO: check for user uniqueness when creating an account.
-		toast(string("Account created successfully! Please press -c- confirm your access to the dashboard."), string("success"));
-		printString("\n");
+		Controller::pushError(string("Please provide a valid action!"));
 	}
-
-	this->model.save();
+	// TODO: for a ban action, check if the current user has the according privilegies.
 }
 
 string &UserRepository::getAlias()