Avoid humpty-dumpty memory leak in the accessor model for repository.

app/Bootstrap.cpp

@@ -1,4 +1,5 @@
 #include "Console.h"
+#include <vld.h>
 
 using namespace std;
 

app/Model.cpp

@@ -56,6 +56,8 @@ void Model::confirmInput(const map<string, string> &payLoad)
 
 	// Validate the input, if there are any errors, display them and reload the view.
 	this->repository->validateItems(this->truncatedInput);
+
+	delete this->repository;
 }
 
 void Model::render(const string &outputAlias)
@@ -67,6 +69,8 @@ void Model::render(const string &outputAlias)
 
 	truncatedAlias.erase(0, entityName.size() + 1);
 	this->repository->echo(truncatedAlias);
+
+	delete this->repository;
 }
 
 void Model::signalAction(const string &actionAlias)
@@ -78,9 +82,10 @@ void Model::signalAction(const string &actionAlias)
 
 	truncatedAlias.erase(0, entityName.size() + 1);
 	this->repository->apply(truncatedAlias);
+
+	delete this->repository;
 }
 
 Model::~Model()
 {
-	delete this->repository;
 }

app/QuestionRepository.cpp

@@ -155,11 +155,7 @@ void QuestionRepository::validateItems(map<string, string> &truncatedInput)
 	{
 		if (truncatedInput.find("action")->second == "create")
 		{
-			this->users = new UserModel;
-			truncatedInput["userId"] = to_string(this->users->setActive().id);
-
-			// Prevent multiple IO streams opened at the same time.
-			delete this->users;
+			truncatedInput["userId"] = to_string(this->users.setActive().id);
 		}
 		this->receiveCleanInput(truncatedInput);
 	}

app/QuestionRepository.h

@@ -13,7 +13,7 @@ class QuestionRepository : public RepositoryInterface {
 	static string alias;
 
 	QuestionModel model;
-	UserModel *users;
+	UserModel users;
 
 	void defineValidation();
 	void receiveCleanInput(map<string, string> &);