Added a MAIN program

MAIN.cpp

+/*  ============================================================================
+        Main Function
+        g++ -std=c++11 MAIN.cpp Questions.cpp Teacher.cpp  -o MAIN.cpp.o && ./MAIN.cpp.o
+        Student.cpp
+    ============================================================================
+*/
+
+#include "Questions.h"
+#include "Student.h"
+#include "Teacher.h"
+#include <iostream> // For cout and cin
+using namespace std;
+
+int main() {
+    Teacher teacher;
+    
+    teacher.importProgress();
+    
+    string currentUser;
+    bool keepRunning = true;
+    do {
+        cout << "Please enter your user name: ";
+        cin >> currentUser;
+        if (cin) {
+            if(currentUser == teacher.getExitCode()) {
+                keepRunning = false;
+            }
+            else if (currentUser == teacher.getUserName()) {
+                do {
+                    teacher.displayMenu();
+                    if (!teacher.getMenuActive()) {
+                        break;
+                    }
+                } while (true);
+            }
+            else if (teacher.checkRoster(currentUser)) {
+                
+                
+                // Insert Student Menu Here...
+                cout << "Student Menu: \n";
+                
+                
+            }
+            else {
+                cin.clear();
+                cin.ignore(100,'\n');
+                cerr << "Invalid user name.\n";
+            }
+        } else {
+            cin.clear();
+            cin.ignore(100,'\n');
+            cerr << "Invalid user name.\n";
+        }
+    } while(keepRunning);
+     
+    return 0;
+}
\ No newline at end of file

Teacher.cpp

@@ -230,6 +230,16 @@ void Teacher::endProgram() {
     exit(0);
 }
 
+// Checks the roster for a given student, and returns true if found.
+bool Teacher::checkRoster(string student) {
+    for (int i = 0; i < roster.size(); i++) {
+        if (roster.at(i).getUserName() == student) {
+            return true;
+        }
+    }
+    return false;
+}
+
 // Accessors
 const string Teacher::getUserName() {
     return userName;

Teacher.h

@@ -28,6 +28,9 @@ class Teacher {
         void adjustProgress(string studentUserNameIn, int level);   // Changes a students level; includes error checking for student username
         void endProgram();  // saves and ends program gracefully
         
+        /* Andrew - I added this function to search for a given student in the roster (for use in login stage) */
+        bool checkRoster(string student);
+        
         //  Accessors
         const string getUserName();
         const string getExitCode();

classProgress.txt

@@ -14,3 +14,4 @@ inghro    |	2
 umalno    |	1
 grifno    |	1
 levina    |	4
+Andrew    |	500

classRoster.txt

@@ -12,4 +12,6 @@ umalno 1
 grifno 1
 levina 4
 Andrew 500
+Sam 2
+Jared 1
 END_OF_FILE
\ No newline at end of file