heavily simplified imports and using directives

headers/Customer.h

@@ -1,15 +1,14 @@
 #ifndef CUSTOMER_H
 #define CUSTOMER_H
 #pragma once
-#include "../thirdparty/SQLiteCpp/include/SQLiteCpp/SQLiteCpp.h"
-#include "Park_time.h"
-#include <ctime>
-#include <random>
-#include <string>
-#include <vector>
-#include "data.h"
 
-using std::string;
+
+#include "Park_time.h"
+#include "data.h"
+#include <random>
+#include <vector>
+
+
 using std::vector;
 
 // will make it easy to represent it in the database while making it easy to use while programming
@@ -32,7 +31,7 @@ class Customer {
     Customer(string name_, Verhicle_type verhicle_);
     Customer(int id_, string name_, string card_code_, Verhicle_type verhicle_,
              vector<Park_time> instances); // needed to construct from db
-    // potentially: add a destructor that calls update_db() before being destroyed
+    ~Customer();
     int id;
     string name;
     string card_code;

headers/Park_spot.h

@@ -14,8 +14,9 @@ class Park_spot {
     public:
     int id;
     bool taken;
-    Customer* parked; //TODO: think about memory management
+    Customer* parked;
     Park_spot();
+    ~Park_spot();
     void clock(Customer* c_customer);
     private:
     void save_db();

headers/Park_time.h

@@ -5,12 +5,14 @@
 #include <chrono>
 #include <iostream>
 #include <string>
+#include <ctime>
 #include "data.h"
 
 
 using namespace std::chrono;
 using std::string;
 using std::to_string;
+using std::cout;
 /*
 
 
@@ -21,6 +23,7 @@ class Park_time {
 public:
     Park_time(int c_id, int s_id);
     // Park_time(int c_id, int s_id );
+    ~Park_time();
     int id;
     int customer_id;
     int spot_id;