main.cpp

#include <iostream>
#include <istream>
#include <stdio.h>
#include <stdlib.h>
#include <sqlite3.h> /*libraries*/
#include "insert_db.h"
#include "create_db.h"
#include "select_db.h"
#include "insert1_db.h"
#include "create1_db.h"
#include "select1_db.h"
#include<bits/stdc++.h>
#include <string>
#include<algorithm>
using namespace std;

//https://github.com/haarcuba/cpp-text-table
//https://www.tutorialspoint.com/sqlite/sqlite_c_cpp.htm
class student_data{
  protected: //variables
  string modules,classes, lecturers, room;
  int studentID;
  string name, surname, username, email, password;
  string log1, pass1, startTiming, endTiming;
  
  public:
  string get_modules(){
    return modules;
  }
  void change_modules(string _modules){
    modules=_modules;
  }
  int get_studentID(){
    return studentID;
  }
  void change_studentID(int _studentID){
    studentID=_studentID;
  }
    string get_classes(){
    return classes;
  }
  
    void change_classes(string _classes){
    classes=_classes;
  }
    
    string get_lecturers(){
    return lecturers;
  }
    void change_lecturers(string _lecturers){
    lecturers=_lecturers;
  }
    string get_room(){
    return room;
  }
    void change_room(string _room){
    room=_room;
  }

    string get_surname(){
    return surname;
  }
    void change_surname(string _surname){
    surname=_surname;
  }
    string get_username(){
    return username;
  }
    void change_username(string _username){
    username=_username;
  }
    string get_email(){
    return email;
  }
    void change_email(string _email){
    email=_email;
  }
  string get_log1(){
    return log1;
  }
    void change_log1(string _log1){
    log1=_log1;
  }
  string get_pass1(){
    return pass1;
  }
    void change_pass1(string _pass1){
    pass1=_pass1;
  }
    string get_password(){
    return password;
  }
    void change_password(string _password){
    password=_password;
  }
    string get_name(){
    return name;
  }
    void change_name(string _name){
    name=_name;
  }
    string get_startTiming(){
    return startTiming;
  }
    void change_startTiming(string _startTiming){
    startTiming=_startTiming;
  }
   string get_endTiming(){
    return endTiming;
  }
    void change_endTiming(string _endTiming){
    endTiming=_endTiming;
  }
};




 

int dayNumber(int day, int month, int year)
{
static int t[] = { 0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4 };
year -= month < 3;
return ( year + year/4 - year/100 + year/400 + t[month-1] + day) % 7;
}

string getMonthName(int monthNumber)
{
string months[] = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
};
return (months[monthNumber]);
}

int numberOfDays (int monthNumber, int year)
{
    // January
    if (monthNumber == 0)
        return (31);
 
    // February
    if (monthNumber == 1)
    {
        // If the year is leap then February has
        // 29 days
        if (year % 400 == 0 ||
                (year % 4 == 0 && year % 100 != 0))
            return (29);
        else
            return (28);
    }
 
    // March
    if (monthNumber == 2)
        return (31);
 
    // April
    if (monthNumber == 3)
        return (30);
 
    // May
    if (monthNumber == 4)
        return (31);
 
    // June
    if (monthNumber == 5)
        return (30);
 
    // July
    if (monthNumber == 6)
        return (31);
 
    // August
    if (monthNumber == 7)
        return (31);
 
    // September
    if (monthNumber == 8)
        return (30);
 
    // October
    if (monthNumber == 9)
        return (31);
 
    // November
    if (monthNumber == 10)
        return (30);
 
    // December
    if (monthNumber == 11)
        return (31);
}
int showingthetimetable(){
  string Sdates;
  select1_db db;
  cout << "When does your term start? dd/mm/yyyy"; cin >> Sdates;
  int days;
  Sdates.erase(remove(Sdates.begin(), Sdates.end(), '/'), Sdates.end());
  string monthdate = Sdates.substr(2,2);
  int month = stoi(monthdate);
  string yeardate = Sdates.substr(4,4);
  int year = stoi(yeardate);
  printf ("         Calendar - %d\n\n", year);
 
    // Index of the day from 0 to 6
  int current = dayNumber (1, month, year);
  string arrayofdays[] = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
  cout << arrayofdays[current];
  
  days = numberOfDays (month, year);
  // Print the current month name
  printf("\n  ----------------------------------------------------%s---------------------------------------------------\n",
  getMonthName (month).c_str());
 
  // Print the columns
  printf("            Sun            Mon            Tue            Wed            Thu            Fri            Sat\n");
 
  // Print appropriate spaces
  int k;
  for (k = 0; k < current; k++)
    printf("               ");
 
  for (int j = 1; j <= days; j++)
  {
   printf("%15d", j);
 
   if (++k > 6)
    {
     k = 0;
     printf("\n");
     }
     }
 
    if (k)
    printf("\n");
 
    current = k;
  
    //cout << db.printingeverything();this part doesn’t work so my lessons don’t come and i remove it do it doesn't stop the program
  return 0; 
};



int Timetablesforstudent(){
  student_data s;
  string stringtemp;
  int inttemp;
  int term;
  int option;
  cout << "Which term are you entering lessons for? :"; cin >> term;
  cout << "Welcome to term" << term << "please enter all your lessons for this term" <<endl;
  bool another = true;
  while(another){
  cout << "Student ID"; cin >> inttemp;
  s.change_studentID(inttemp);  
  cout << "What is the code of your class. :"; cin >> stringtemp;
  s.change_modules(stringtemp);
  cout << "The date of your class. In dd/mm/yyyy format. :"; cin >> stringtemp;
  s.change_classes(stringtemp);
  cout << "Who is your lecturer for this class :"; cin >> stringtemp;
  s.change_lecturers(stringtemp);
  cout << "What is the room number of your class:"; cin >> stringtemp;
  s.change_room(stringtemp);
  cout << "When is the start of your lecture. Using the 24 hours clock :"; cin >> inttemp;
  s.change_startTiming(stringtemp);
  cout << "When is the end of your lecture. Using the 24 hours clock :"; cin >> inttemp;
  s.change_endTiming(stringtemp);
  insert1_db(s.get_studentID(), s.get_modules(), s.get_classes(), s.get_lecturers(), s.get_room(), s.get_startTiming(), s.get_endTiming());
  
  cout << "Do you eant another lesson enter 1 for yes or 0 for no? :"; cin >> option;
  if(option == 1){
     another = true;
  } 
  else{
    another = false;
  }
  showingthetimetable();
 
  }
  return 0; //  need to return something afterwards. 
}



int optionafterverifying(){
  int option;
  menu:
  cout << "[1] Enter all of your lessons" <<endl;
  cout << "[2] Show your timetable" <<endl;
  cout << "Option: "; cin >> option;
  create1_db();
  switch(option){
    case 1:
      Timetablesforstudent();
      break;
    
    case 2:
      showingthetimetable();
      break;
  };
return 0;
}

int login(){
  select_db db;
  string log1, pass1;
  cout << "Please enter your student details to Login :" <<endl;
  cout << "Username :"; cin >> log1;
  cout << "Password :"; cin >> pass1;

  
  string returnedvalue = db.matchingusername(log1);
  string returnedvalue1 = db.matchingpassword(pass1);

 
  if(returnedvalue == "Not In Database" && returnedvalue1 == "Not In Database"){
    cout << "Account not in the database." << endl;
    login();
  }else if(returnedvalue == log1 && returnedvalue1 != pass1){
    cout << "Invalid password" << endl;
    login();
  }else if(returnedvalue != log1 && pass1 == returnedvalue1 ){
    cout << "Invalid username" << endl;
    login();   
  }else if(returnedvalue == log1 && pass1 == returnedvalue1){
    cout << "Correct credentials. Welcome." << endl;
    optionafterverifying();
  }
  

};


int signup(){
  student_data s;
  string stringtemp;
  int inttemp;
  string username, password, retry;

  cout << "Student ID :"; cin >> inttemp;
  s.change_studentID(inttemp);
  cout << "Name :"; cin >> stringtemp;
  s.change_name(stringtemp);
  cout << "Surname :"; cin >> stringtemp;
  s.change_surname(stringtemp);
  username = s.get_surname() + s.get_name()[0];
  s.change_username(username);
  cout << "You user name is : " << username << endl;
  cout << "Enter your school email :"; cin >> stringtemp;
  s.change_email(stringtemp);
  cout << "Password :"; cin >> password;
  stringtemp = password;
  s.change_password(stringtemp);
  cout << "Enter Password again :"; cin >> retry;
  
  insert_db(s.get_studentID(), s.get_name(), s.get_surname(), s.get_username(), s.get_email(), s.get_password());
  
  if (password == retry){
    cout << "Password match" << endl;
    login(); 
     return 0;
  }
  else{
    cout << "Try again, password doesnt match.";
    signup();
  }
};


int signuporlogin(){
  int option;

  menu:
  cout << "[1] Sign Up" <<endl;
  cout << "[2] Log In" <<endl;
  cin >> option;

  switch(option){
    case 1:
      signup();
      break;
    
    case 2:
      login();
      break;

  };
  return 0;
}

int main() {
  create_db();
  signuporlogin();
 return 0;
}