CMakeLists.txt

@@ -11,18 +11,16 @@ include_directories(
 
 add_executable(park
         main.cpp
-
         data.cpp
         headers/data.h
-        encrypt.cpp
-        headers/encrypt.h
-
         Customer.cpp
         headers/Customer.h 
         Park_spot.cpp
         headers/Park_spot.h
         Park_time.cpp
         headers/Park_time.h
+        encrypt.cpp
+        headers/encrypt.h
         Query.cpp
         headers/Query.h
  )
@@ -36,7 +34,7 @@ if (UNIX)
         sqlite3
         pthread
         dl 
-        sodium
+        libsodium
         )
 elseif (MSYS OR MINGW) 
         target_link_libraries(park

Customer.cpp

@@ -2,7 +2,7 @@
 
 // constructors
 Customer::Customer(string name_, string password_, Verhicle_type verhicle_)
-    : name{name_}, verhicle{verhicle_}, password{hash_password(password_)} {
+    : name{name_}, verhicle{verhicle_}, password{hash_password(password)} {
     id = auto_increment_db() + 1;
     save_db();
 }

Park_spot.cpp

@@ -3,12 +3,12 @@
 // constructors
 
 Park_spot::Park_spot()
-    : parked_customer{0}, id{auto_increment_db() + 1}, taken{false} {
+    : parked{nullptr}, id{auto_increment_db() + 1}, taken{false} {
     save_db();
 }
 
-Park_spot::Park_spot(int id_, bool taken_, int parked)
-    : parked_customer{parked},
+Park_spot::Park_spot(Customer* parked_, int id_, bool taken_)
+    : parked{nullptr},
       id{id_},
       taken{taken_} // TODO: think about how init parked?
 {}
@@ -16,16 +16,16 @@ Park_spot::Park_spot(int id_, bool taken_, int parked)
 
 // clock in en out, calls de juist(in/out) van de customer aan de hand van
 // internal state van taken
-void Park_spot::clock(Customer& c_customer) {
+void Park_spot::clock(Customer* c_customer) {
     if (!taken) {
-        parked_customer = c_customer.id;
+        parked = c_customer;
         taken = true;
-        c_customer.clock_in(id);
+        parked->clock_in(id);
         update_db();
     } else {
         taken = false;
-        c_customer.clock_out(id);
-        parked_customer = 0;
+        parked->clock_out(id);
+        parked = nullptr;
         update_db();
     }
 }
@@ -37,7 +37,7 @@ void Park_spot::update_db() {
         "UPDATE Park_spot SET taken = '', customer_id  = '' where id = '';";
     statement.insert(63, to_string(id));
     if (taken) {
-        statement.insert(49, to_string(parked_customer));
+        statement.insert(49, to_string(parked->id));
         statement.insert(30, "1");
     } else {
         statement.insert(49, "NULL");

Query.cpp

@@ -25,10 +25,6 @@ vector<Park_time> query_parktimes_for_customer(int cid) {
     return park_times;
 }
 
-
-//--------------------------------------------- customers
-
-
 vector<Customer> query_customer_with_name(string name) {
     /*
     We use this instead of plain customers because:
@@ -70,25 +66,33 @@ Customer query_customer_with_id(int id) {
         Customer result{
             id, name, password, Verhicle_type(verhicle), park_instances};
         // DEBUG
-        // cout << "{" << result.id << "," <<result.password <<"," << int(verhicle) << "}\n";
+        cout << "{" << result.id << "," <<result.password <<"," << int(verhicle) << "}\n";
         return result;
     }
 }
 
-
-// -------------- paroking spots
-
-vector<Park_spot>  query_all_parking_spots() {
-    vector<Park_spot> spots;
-    SQLite::Statement query(data::db, "SELECT * FROM Park_spot WHERE id > 2;");
-    // query.bind(1, 2);
+void query_all_parking_spots() {
+    SQLite::Statement query(data::db, "SELECT * FROM Park_spot WHERE id > ?;");
+    query.bind(1, 0);
     while (query.executeStep()) {
         int id = query.getColumn(0);
         int taken = query.getColumn(1);
         int cid = query.getColumn(2);
-        // park_customers.push_back(query_customer_with_id(cid));
-        spots.push_back({id, taken, cid});
+        park_customers.push_back(query_customer_with_id(cid));
+        parking_spots.push_back(
+            Park_spot{get_customer_ptr_for_parkspot(cid), id, bool(taken)});
     }
-    return spots;
 }
 
+Customer* get_customer_ptr_for_parkspot(int id) {
+    if (!id) {
+        return nullptr;
+    }
+    for (int i = 0; i < park_customers.size(); i++) {
+        if (park_customers[i].id == id) {
+
+            return &park_customers[i];
+        }
+    }
+    return nullptr;
+}

data.cpp

@@ -8,7 +8,6 @@ SQLite::Database start_db() {
     while (sodium_init() < 0) {
         std::cout << "SODIUM NOT WORKING";
     }
-
     db.exec(
         "create table if not exists Customer (id integer primary key, name "
         "text, password text, verhicle int)");

encrypt.cpp

@@ -9,8 +9,8 @@ string hash_password(string password) {
      */
     const char* password_ = password.c_str();
     char hashed_password_[crypto_pwhash_STRBYTES];
-    int memory_limit = 3.2e+7; // 3.2e7 = 32e6 = 32 mb
-    int cpu_limit = 1;          // this is n_threads
+    int memory_limit = 1.28e+8; // 1.28 e+8 = 128 e6 = 128 mb
+    int cpu_limit = 2;          // this is n_threads
 
     int result = crypto_pwhash_str(hashed_password_,
                                    password_,

headers/Customer.h

@@ -4,7 +4,6 @@
 
 #include "Park_time.h"
 #include "data.h"
-
 #include <vector>
 
 using std::vector;
@@ -23,6 +22,7 @@ park_time object. Voegt het toe aan een vector.
 
 class Customer {
   public:
+
     int id;
     string name;
     string password;
@@ -38,13 +38,17 @@ class Customer {
     void delete_db();
 
     void gen_monthly(); // remove, make it a function in data
-    Verhicle_type verhicle;
 
   private:
+    Verhicle_type verhicle;
     vector<Park_time> park_instances;
     void save_db();
     int auto_increment_db();
 };
 
+static vector<Customer> park_customers; // save the customers that are parked in here
+// parking_spot uses pointers, so it's better to save the parked customers here
+// where we know they'll be destroyed at the end of this scope, instead of too early
+// and end up with dangling pointers
 
 #endif // CUSTOMER_H

headers/Park_spot.h

@@ -1,8 +1,5 @@
-#ifndef PARK_SPOT_H
-#define PARK_SPOT_H
-#pragma once
-
 #include "Customer.h"
+
 /*
 db representation:
 int id not null
@@ -17,10 +14,10 @@ class Park_spot {
   public:
     int id;
     bool taken;
-    int parked_customer;
+    Customer* parked;
     Park_spot();
-    Park_spot(int id_, bool taken_, int parked);
-    void clock(Customer& c_customer);
+    Park_spot(Customer* parked_, int id_, bool taken_);
+    void clock(Customer* c_customer);
 
   private:
     void save_db();
@@ -28,4 +25,5 @@ class Park_spot {
     void delete_db();
     int auto_increment_db();
 };
-#endif // CUSTOMER_H
+
+static vector<Park_spot> parking_spots; // to save the parking spots in memory

headers/Query.h

@@ -10,12 +10,9 @@ vector<Park_time> query_parktimes_for_customer(int cid);
 
 vector<Customer> query_customer_with_name(string name);
 Customer query_customer_with_id(int id);
+Customer* get_customer_ptr_for_parkspot(int id);
 
-vector<Park_spot> query_all_parking_spots(); // used for initializing the parking spots at start of the program
-
-static vector<Park_spot> parking_spots = query_all_parking_spots(); // to save the parking spots in memory
-static vector<Customer> park_customers; 
-// save the customers that are parked in here
+void query_all_parking_spots(); // used for initializing the parking spots at start of the program
 
 
 #endif // CUSTOMER_H

headers/data.h

@@ -5,8 +5,8 @@
 #include "encrypt.h"
 
 namespace data {
-SQLite::Database start_db();
-
+SQLite::Database
+start_db();
 static SQLite::Database db = start_db();
 
 } // namespace data

main.cpp

@@ -1,11 +1,8 @@
 #include "headers/Query.h"
 
-#include <chrono>
+#include <array>
 #include <thread>
 
-
-using namespace std::chrono;
-
 /*
 Code strucure like this:
 class declarations zijn in /headers/class_naam.h, en definitions van de member
@@ -21,6 +18,9 @@ record die zegt dat een customer voor x tijd geparkeert heeft bij spot x, enz.
 De client clockt in en uit bij een spot.
  */
 
+
+
+
 void Wait(int sec)
 /*
 a wait function where 1 sec represents 1 hour irl.
@@ -29,14 +29,29 @@ a wait function where 1 sec represents 1 hour irl.
     std::this_thread::sleep_for(seconds{sec});
 }
 
-int main() {
-    // Customer sagar = query_customer_with_name("stefan udit")[0];
-    Customer sagar = query_customer_with_id(2);
-    cout << sagar.id << "," << sagar.name << "," << sagar.password;
-    // cout << parking_spots.size();
+Customer* get_customer_ptr_for_parkspot(int id);
+
+int main() {
+    query_all_parking_spots();
+
+    Customer p0 = query_customer_with_name("Shaquile")[0];
+    Customer p1 = query_customer_with_name("Sagar Ramsaransing")[0];
+    Customer p2 = query_customer_with_name("Joshua karto")[0];
+    Customer p3 = query_customer_with_name("Stefan udit")[0];
+    
+    parking_spots[2].clock(&p1);
+    Wait(2);
+    parking_spots[2].clock(&p1);
+    Wait(1);
+    parking_spots[0].clock(&p2);
+    Wait(1);
+    parking_spots[1].clock(&p3);
+    Wait(1);
+    parking_spots[0].clock(&p2);
+    parking_spots[1].clock(&p3);
+    Wait(1);
+    parking_spots[1].clock(&p3);
 
-    // for (auto i : parking_spots){
-    //     cout << i.id << "," << i.parked_customer;
-    // }
 
 }
+