mini-redis-cpp/Database.cpp at main · SoftGridAlex/mini-redis-cpp · GitHub

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#include "Database.h"
#include <fstream>

Database::Database() {
    incarcaDinFisier();

}


void Database::salveazaInFisier() {
    std::ofstream f("database.txt");

    for (auto pair : db) {

        f << pair.first << " " << pair.second << "\n";


    }
}

void Database::incarcaDinFisier() {
    std::ifstream f("database.txt");
    std::string cheie, valoare;
    while (f >> cheie >> valoare) {
        db[cheie] = valoare;
    }
}


void Database::set(const std::string& cheie, const std::string& valoare) {
    std::lock_guard<std::mutex> lock(dbMutex);
    db[cheie] = valoare;
    salveazaInFisier();
}

std::string Database::get(const std::string& cheie) {
    std::lock_guard<std::mutex> lock(dbMutex);

    if (db.count(cheie) > 0){

        return db[cheie];
    }
    return "";
}

bool Database::del(const std::string& cheie){
    std::lock_guard<std::mutex> lock(dbMutex);


    if (db.count(cheie) > 0) {

        db.erase(cheie);
        salveazaInFisier();
        return true;

    }
    return false;
}