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menu.cpp
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menu.cpp
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#include "menu.h"
enum options {
AddCounty = 1, AddCitizen, AddParty, AddDelegate, DisplayCounties, DisplayCitizens, DisplayParties, Vote, ShowRes, Exit, Save, Load
}option;
enum preOptions {
NewRound = 1, LoadVotes, PreExit
}preoption;
void startMenu()
{
ifstream infile;
ofstream outfile;
// WE ASSUME THAT EACH STRING(=name of county/citizen) CONTAINS ONLY ONE WORD(= no space in entered within a name) .
string name, fname, errorName;
int option, delegatesNum, id, day, month, year, countyNum, partyNum, type;
bool _exit = false, prexit = false;
App* mainApp = nullptr;
Date date;
while (!prexit)
{
try {
cout << endl << "1 - Create a new Elections round" << endl << "2 - Load an exisiting Elections round" << endl << "3 - Exit" << endl;
cout << "Choose an option" << endl;
cin >> option;
switch (option)
{
case preOptions::NewRound:
cout << "Please enter the type of elections (0 for regular and 1 for simple)" << endl;
cin >> type;
if (type != SIMPLE && type != COMPLEX)
throw (errorName = "Round Type isn't valid (need to be 0 or 1)");
cout << "Please enter election day" << endl;
cin >> day;
cout << "Please enter election month" << endl;
cin >> month;
cout << "Please enter election year" << endl;
cin >> year;
date = Date(day, month, year);
if (type == SIMPLE) //during runtime we select which app will be constructed (using polymorphism)
{
cout << "Enter number of delegates" << endl;
cin >> delegatesNum;
mainApp = new SimpleApp(date, delegatesNum);
}
else//type == COMPLEX
{
mainApp = new RegularApp(date);
}
prexit = true;
break;
case preOptions::LoadVotes:
cout << "Please enter the file name you want to load" << endl;
cin >> fname;
infile.open(fname, ios::binary | ios::in);
if (!infile.is_open())
throw (errorName = "File name wasn't found");
infile.read(rcastc(&type), sizeof(type));
date = Date();
if (type == SIMPLE) //during runtime we select which app will be constructed (using polymorphism)
{
mainApp = new SimpleApp(date);
}
else//type == COMPLEX
{
mainApp = new RegularApp(date);
}
mainApp->loadApp(infile);
infile.close();
prexit = true;
break;
case preOptions::PreExit:
cout << "You have exited the program. " << endl;
prexit = true;
_exit = true;
break;
default:
cout << "Please select an option between 1-3." << endl;
break;
}
}
catch (const string& error)
{
cout << error << endl;
}
catch (bad_alloc& allocationerror)
{//if anywhere in the program there is a Memory allocatin problem - we go straight to this scope and shut down the program.
cout << "Memory Allocation failed." << allocationerror.what();
exit(1);
}
}
while (!_exit)
{
try {
cout << endl << "1 - Add a County" << endl << "2 - Add a Citizen" << endl << "3 - Add a Party" << endl
<< "4 - Add a Citizen as a party delegate" << endl << "5 - Display all Counties" << endl << "6 - Display all Citizens" << endl
<< "7 - Display all Parties" << endl << "8 - Vote for a Party" << endl << "9 - Display Election Results" << endl
<< "10 - EXIT" << endl << "11 - Save Election Round" << endl << "12 - Load Election Round" << endl;
cout << "Choose an option" << endl;
cin >> option;
switch (option)
{
case options::AddCounty:
cout << "Please Enter 1 for simple county or 0 for split county" << endl;
cin >> type;
cout << "Enter the County name" << endl;
cin >> name;
cout << "Enter number of delegates" << endl;
cin >> delegatesNum;
mainApp->AddCounty(name, delegatesNum, type);
break;
case options::AddCitizen:
cout << "Enter the citizen name" << endl;
cin >> name;
cout << "Please Enter ID number" << endl;
cin >> id;
cout << "Please Enter year of birth" << endl;
cin >> year;
cout << "Please Enter serial number of county" << endl;
cin >> countyNum;
mainApp->AddCitizen(name, id, year, countyNum);
break;
case options::AddParty:
cout << "Enter the party name" << endl;
cin >> name;
cout << "Enter ID number of candidate for presidence" << endl;
cin >> id;
mainApp->AddParty(name, id);
break;
case options::AddDelegate:
cout << "Enter the citizen ID" << endl;
cin >> id;
cout << "Enter party serial number" << endl;
cin >> partyNum;
cout << "Enter serial number of county" << endl;
cin >> countyNum;
mainApp->AddCitizenAsDelegate(id, partyNum, countyNum);
break;
case options::DisplayCounties:
mainApp->PrintAllCounties();
break;
case options::DisplayCitizens:
mainApp->PrintAllCitizens();
break;
case options::DisplayParties:
mainApp->PrintAllParties();
break;
case options::Vote:
cout << "Enter the citizen ID" << endl;
cin >> id;
cout << "Enter Party Serial number" << endl;
cin >> partyNum;
mainApp->Vote(id, partyNum);
break;
case options::ShowRes:
mainApp->printVotes();
break;
case options::Exit:
cout << "You have exited the program. " << endl;
delete mainApp;
_exit = true;
break;
case options::Save:
cout << "Please enter the file name you want to save into" << endl;
cin >> fname;
outfile.open(fname, ios::binary | ios::out);
if (!outfile.is_open())
throw (errorName = "Saving didn't work.");
else
mainApp->saveApp(outfile);
outfile.close();
break;
case options::Load:
cout << "Please enter the file name you want to load" << endl;
cin >> fname;
infile.open(fname, ios::binary | ios::in);
if (!infile.is_open())
throw (errorName = "File name wasn't found");
delete mainApp; // delete the current app before loading the new app from file
date = Date();
infile.read(rcastc(&type), sizeof(type));
if (type == SIMPLE)
{
mainApp = new SimpleApp(date);
}
else
{
mainApp = new RegularApp(date);
}
mainApp->loadApp(infile);
infile.close();
break;
default:
cout << "Please select an option between 1-12." << endl;
break;
}
}
catch (const string& error)
{
cout << error << endl;
}
catch (bad_alloc& allocationerror)
{//if anywhere in the program there is a Memory allocatin problem - we go straight to this scope and shut down the program.
cout << "Memory Allocation failed." << allocationerror.what();
exit(1);
}
}
}