#include "util.h" #include #include #include struct song{ int index; string title, artist, length; }; struct singer{ song s; string performer; }; vector loadSongs(){ vector songs; int index = 1; ifstream in; in.open("songs.txt"); if (in.fail()) Error("Failed to load the file"); while (true){ string line; getline(in,line); if (in.fail()) break; vector input = splitLine(line,';'); song s; s.index = index; s.title = input[0]; s.artist = input[1]; s.length = input[2]; songs.push_back(s); index ++; } return songs; } void printSongs(vector &songs){ for (song s : songs){ cout << s.index << " - " << s.title << " by "; cout << s.artist << " " << s.length << endl; } } singer addSong(vector &songs){ bool validSong = false; song songToSing; while(!validSong){ string option = readLine("Please enter the song number(enter to list songs) "); if (option == ""){ printSongs(songs); } else{ for (song s : songs){ try{ if (s.index == stoi(option)){ songToSing = s; validSong = true; } } catch (invalid_argument) { cout << "Not a valid number, try again." << endl; break; } } if (validSong) break; else cout << "Song not found." << endl; } } string performer = readLine("Please enter the name of the performer: "); singer s; s.s = songToSing; s.performer = performer; return s; } int getMenuOption(){ cout << "Would you like to:" << endl; cout << "1. Add a song" << endl; cout << "2. Get the next song in the queue" << endl; cout << "3. Exit" << endl; return readInt(1,3, "> ", "Enter a valid option > "); } void nextUp(queue &singers){ singer s = singers.front(); singers.pop(); cout << "Next up: " << s.performer << " will be singing "; cout << s.s.title << " by " << s.s.artist << "." << endl; } int main() { vector songs = loadSongs(); queue singers; while (true){ int option = getMenuOption(); if (option == 1) { singers.push(addSong(songs)); } else if (option == 2){ if (!singers.empty()) { nextUp(singers); } else { cout << "There are no singers in the queue." << endl; } } else break; } return 0; }