initialize db

Customer.cpp

@@ -1,13 +1,37 @@
 #include "headers/Customer.h"
 #include <iostream>
+#include <random>
+#include <ctime>
+
+
 
 // moet aangepast worden om een verhicle_type toe te voegen
-Customer::Customer(int id_, string name_)
+Customer::Customer(int id_, string name_, Verhicle_type verhicle_)
     : id { id_ }
     , name { name_ }
+    , card_code{gen_cardcode()}
+    , verhicle{verhicle_}
 {
 }
 
+
+/*
+generates a cardcode that can be stored on a card that can be used to authenticate.
+Before that, some random generator starter settings.
+ */
+ std::mt19937 mt(time(0)); 
+ std::uniform_int_distribution<int> dist(48, 90); // anything between and including ascii 48(0) and 90(z)
+
+string Customer::gen_cardcode (){
+    string code;
+    for (int i = 0; i < 20; i++){
+        code += char(dist(mt));
+    }
+    return code;
+
+}
+
+
 /*
 creert een park_time object met start time= nu, en voegt t toe aan een vector.
  */

db.cpp

@@ -0,0 +1,21 @@
+#include "headers/db.h"
+
+namespace db 
+{
+
+
+    static int callback(void *NotUsed, int argc, char **argv, char **azColName){
+	int i;
+	for(i=0; i<argc; i++)
+	{
+		std::cout<<azColName[i]<<" = " << (argv[i] ? argv[i] : "NULL")<<"\n";
+	}
+	std::cout<<"\n";
+	return 0;
+}
+  
+
+
+	// sqlite3_close(db);
+
+}

headers/Customer.h

@@ -39,11 +39,13 @@ public:
     void clock_out(int s_id);
     // void gen_weekly(); TODO: this
     void gen_monthly();
-    Customer(int id_, string name_);
+    Customer(int id_, string name_, Verhicle_type verhicle_);
 
 private:
     Verhicle_type verhicle;
     vector<Park_time> park_instances;
+    string gen_cardcode();
+
 };
 
 

headers/Park_time.h

@@ -20,7 +20,6 @@ datetime end
 Dit is gewoon een record van hoe lang, wie en waar iemand parkeert. Basically, een component van 
 de internal state van customer.
 */
-
 class Park_time {
 public:
     int id;

headers/db.h

@@ -0,0 +1,56 @@
+#include <sqlite3.h>
+#include <string>
+#include <iostream>
+
+namespace db 
+{
+
+    static int callback(void *NotUsed, int argc, char **argv, char **azColName);
+
+    sqlite3* db;
+    char*  error_message;
+
+
+
+    void open_db(sqlite3* db_){
+        int success = sqlite3_open("sqlite.db", &db);
+        if (!success) {
+            std::cout << "Can't open database: "<<sqlite3_errmsg(db)<<"\n";
+        }
+    }
+    // stupid lib
+    void initialize_db(sqlite3* db_){
+        // ugh, sqlite3_exec doesn't accept const strings, so i have to use const char*
+        const char* customer_table = "create table Customer (id int, name varchar(50), card_code varchar(20), verhicle int)";
+        const char* parkspot_table = "create table Park_spot (id int, taken boolean, customer_id int)";
+        const char* parktime_table = "create table Park_time (id int, customer_id int, spot_id int, start real, end real, duration real)";
+        int success;
+
+		success = sqlite3_exec(db_, customer_table, callback, 0, &error_message);
+		if( success!=SQLITE_OK )
+		{
+			std::cout<<"SQL error: "<<sqlite3_errmsg(db)<<"\n";
+			sqlite3_free(error_message);
+            return; // TODO: error handling instead of just logging
+		}
+        success = sqlite3_exec(db_, parkspot_table, callback, 0, &error_message);
+		if( success!=SQLITE_OK )
+		{
+			std::cout<<"SQL error: "<<sqlite3_errmsg(db)<<"\n";
+			sqlite3_free(error_message);
+            return;  // TODO: error handling instead of just logging
+		}
+
+        success = sqlite3_exec(db_, parktime_table, callback, 0, &error_message);
+		if( success!=SQLITE_OK )
+		{
+			std::cout<<"SQL error: "<<sqlite3_errmsg(db)<<"\n";
+			sqlite3_free(error_message);
+            return;  // TODO: error handling instead of just logging
+		}
+
+    }
+
+
+
+}

main.cpp

@@ -4,6 +4,7 @@
 #include <vector>
 
 
+
 /*
 Code strucure like this:
 class declarations zijn in /headers/class_naam.h, en definitions van de member functs in /class_naam.cpp
@@ -35,10 +36,10 @@ int main()
         1, 2, 3, 4, 5
     };
     std::vector<Customer> customers {
-        { 1, "Sagar Ram" },
+        { 1, "Sagar Ram", Verhicle_type::small },
-        { 2, "Shaq" },
+        { 2, "Shaq", Verhicle_type::medium },
-        { 3, "Josh" },
+        { 3, "Josh", Verhicle_type::large },
-        { 4, "Stefano" }
+        { 4, "Stefano", Verhicle_type::small }
     };
 
     spots[1].clock(&customers[3]); // stefano parks at spot 2