implement the function menuInput(), in order for the user to choose a menu option.

src/mainMenu.c

@@ -1,6 +1,7 @@
-#include "mainMenu.h"
+#include"mainMenu.h"
 #include"createCustomer.c"
 
+
 bool agePermission(int age)
 {
 
@@ -24,14 +25,15 @@ bool checkIfInteger(char* userInput)
 bool chooseOption(int choiceInput)
 {
 
-    if(choiceInput < 1 || choiceInput > 4)
+    if(choiceInput<1 || choiceInput>4)
     {
-        return false;	    
+        return false;
     }
 
     else
     {
-        return true;	    
+
+        return true;
     }
 
 }
@@ -48,6 +50,7 @@ void ageInput()
     scanf("%s",userInput);
 
     int c;
+    /*this loop flushes the input buffer for the upcoming getchar*/
     while ((c = getchar()) != '\n' && c != EOF) {};
 
     while (true)
@@ -56,11 +59,12 @@ void ageInput()
 
         if((checkIfInteger(userInput))&& (agePermission(age)))
 	{
-	    age = strtol(userInput,&userInputPointer,10);
 
-	    //printf("Access granted!\n\n\n\n");
-	    collectCustomerProperties();
+	    printf("Access granted!\n\n\n\n");
+
 	    showMenu();
+             
+            menuInput();
 
 	    break;
 
@@ -86,6 +90,59 @@ void ageInput()
 
 }
 
+void menuInput()
+{
+
+    char choiceInput[20];
+
+    char* choiceInputPointer;
+
+    int selection;
+    
+    int c;
+    scanf("%s",choiceInput);
+    /*this loop flushes the input buffer for the upcoming getchar*/
+    while ((c = getchar()) != '\n' && c != EOF) {};
+    
+    while(true)
+    {
+        selection = strtol(choiceInput,&choiceInputPointer,10);
+
+        if(chooseOption(selection) == true && checkIfInteger(choiceInput) == true)
+	{
+            switch(selection)
+	    {
+
+                case 1 : printf("\nLoginAsCostumer() function will be implemented here soon\n\n");
+
+                         break;
+
+                case 2 : collectCustomerProperties();
+                         break;
+
+                case 3 : printf("\nLoginAsEmployee() function will be implemented here soon\n\n");
+
+                         break;
+
+                case 4 : printf("\e[1;1H\e[2J");
+
+			             printf("\nsee you next time !\n\n");
+
+                         break;
+                
+             }
+	    break;
+        }
+
+        else
+        {
+            printf("Input invalid! try again!\n");
+
+	    scanf("%s",choiceInput);
+        }
+    }
+
+}
 
 void showMenu()
 {
@@ -100,4 +157,3 @@ void showMenu()
 
 }
 
-

src/mainMenu.h

@@ -11,6 +11,7 @@ bool checkIfInteger(char* userInput);
 bool chooseOption(int choiceInput);
 
 void ageInput();
+void menuInput();
 void showMenu();
 
 #endif