dailyLog.cpp

//This code computes the daily logging mechanism and stores data in a text file.
#include "head.hpp"
#include <iostream>
#include <string>
#include <vector>
#include <fstream>

double dailyExpLog(int &session_counter)
{
    std::vector <std::string> source; //vector to store source name (source name= name of the item purchased)
    int log_id=0,i=1;
    std::vector <double> cost; //vector to store cost of each source
    double total_cost=0.0,expense;
    std::cout<<"  ** DAILY LOG **  \n";
    std::cout<<"-----------------"<<'\n';
    std::cout<<"Please enter expense details :\n";
    std::cout<<"( NOTE: Details must include date,expense source and individual expense )\n";

    while(log_id == 0)
    {   
        std::cout<<i<<") ";
        std::cin.ignore(); // to avoid skipping input
        std::cout<<"Enter source name : ";
        std::string temp;  //temporaray string to be later pushed to vector.
        std::getline(std::cin,temp);
        source.push_back(temp);
        std::cout<<"Enter cost/expense : ";
        std::cin>>expense;
        cost.push_back(expense);
        std::cout<<"\nEnter 1 to complete the log, 0 to continue logging.\t";
        std::cin>>log_id;
        i++;
    }
    
    std::ofstream file("expense_log.txt",std::ios::app);
    if(file.is_open()){
        file<<"___________________________\n";
        for(size_t i=0;i<source.size();i++){
            file<<i+1<<") "<<source[i]<<"---> "<<cost[i]<<std::endl; //reding input to the file.
        }
        
        
        session_counter++;
        std::ofstream log_file("counter.txt");
        if(log_file.is_open()){
            log_file<<session_counter;
        }
        log_file.close();
        if(session_counter==8){
            session_counter=0;
            std::ofstream log_file("counter.txt");
            if(log_file.is_open()){
                log_file<<session_counter;
            }
            log_file.close();
        }
    
        file.close();
    } else{
        std::cout<<"File not writable !\n";
    }
    for(size_t i=0;i<cost.size();i++){
        total_cost+=cost[i];
    }
    return total_cost;
}