Instructions
Objective
Write a C++ assignment program to create DJ playlist manager.
Requirements and Specifications
DJ Playlist Manager: You will develop a program for a DJ. The DJ needs to be able to enter data about his or her music collection, such as title, artist, length, genre, and so on. The user should be able to create individual playlists from a subset of the entire music collection. A report should be available showing the songs on a particular playlist, as well as their total length and average song length. There should also be a report showing the names of all the playlists and the total length of each playlist. Your final project must include all of the following. Your initial submission will start simple, and you will add features each week. Input and output Use of variables Use of conditional statements Use of loops Use of modules Use of arrays Ability to save and retrieve data microsoft visual studio windows 2019 edtion
Source Code
#include
#include
#include
#include "Playlist.h"
using namespace std;
void displayMenu()
{
cout << "1) Create Playlist" << endl;
cout << "2) Save current Playlist" << endl;
cout << "3) Display current Playlist" << endl;
cout << "4) Add song to Playlist" << endl;
cout << "5) Print report" << endl;
cout << "6) Exit" << endl;
}
int getMenuOption(string message, int lb, int ub)
{
// this function asks to user an integer between lb and ub displaying the message.
// the function will repeat until the user enters a valid value
int option;
while (true)
{
cout << message;
cin >> option;
cin.ignore();
if (option >= lb && option <= ub)
return option;
else
cout << "Please enter a valid integer between " << lb << " and " << ub << "." << endl;
}
}
int main()
{
// create a vector to store Playlists
vector playlists;
// Create a playlist object that will store the playlist with which you will be working
Playlist playlist;
int option;
string playlist_name;
string song_title;
string song_artist;
int song_length;
int song_year;
string song_genre;
while (true)
{
// display menu
displayMenu();
// get menu option
option = getMenuOption("Enter selection: ", 1, 6);
cout << endl;
if (option == 1)
{
// ask for name
cout << "Enter Playlist's name: ";
getline(cin, playlist_name);
// initialize playlist
playlist = Playlist(playlist_name);
cout << "Playlist: " << playlist_name << " created." << endl;
}
else if (option == 2)
{
playlists.push_back(playlist);
cout << "Playlist: " << playlist.getName() << " saved!";
}
else if (option == 3)
{
cout << playlist;
cout << endl;
}
else if (option == 4)
{
// Ask title
cout << "Enter song title: ";
getline(cin, song_title);
cout << "Enter song artist: ";
getline(cin, song_artist);
cout << "Enter song genre: ";
getline(cin, song_genre);
cout << "Enter song year: ";
cin >> song_year;
cout << "Enter song length (in seconds): ";
cin >> song_length;
Song song(song_title, song_artist, song_length, song_genre, song_year);
playlist.addSong(song);
cout << "The following song has been added to Playlist " << playlist.getName() << ": " << song << endl;
}
else if (option == 5)
{
if (playlists.size() > 0)
{
cout << "The following report contains all playlists created and saved." << endl;
for (int i = 0; i < playlists.size(); i++)
{
cout << playlists[i] << endl << endl;
}
}
else
cout << "There are no saved Playlists. You must save a Playlist first to add it to the database." << endl;
}
else if (option == 6)
{
cout << "Good Bye!" << endl;
break;
}
cout << endl;
}
}