ReportGenerator.h

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#pragma once
#include <vector>
#include <string>
#include <map>
#include "Transaction.h"
 
class ReportGenerator {
public:
    std::string reportTitle; 
    std::vector<Transaction> transactions; 
 
    ReportGenerator(const std::string& title = "Finance Report")
        : reportTitle(title) {}
 
    void addTransaction(const Transaction& t);
 
    double calculateTotal() const;
 
    double calculateByCategory(const std::string& categoryId) const;
 
    double calculateByAccount(const std::string& accountId) const;
 
    void exportToCSV(const std::string& filePath) const;
 
    void exportToJSON(const std::string& filePath) const;
 
    std::map<std::string, double> preparePieChartData() const;
};