DonationSystem.cpp

#include "DonationSystem.h"
#include <iostream>

DonationSystem::DonationSystem() {}

void DonationSystem::addUser(User* user) {
    users.push_back(user);
}

User* DonationSystem::login(std::string email, std::string password) {
    for (auto u : users) {
        if (u->getEmail() == email && u->getPassword() == password) {
            return u;
        }
    }
    return nullptr;
}

void DonationSystem::addToPool(DonationItem donation) {
    donationPool[donation.getItemName()] += donation.getQuantity();
}

void DonationSystem::addRequest(RequestedItem request) {
    pendingRequests.push_back(request);
}

void DonationSystem::processRequests() {
    for (auto it = pendingRequests.begin(); it != pendingRequests.end();) {
        std::string name = it->getItemName();
        int qty = it->getQuantity();
        if (donationPool[name] >= qty) {
            donationPool[name] -= qty;
            approvedRequests.push_back(*it);
            it = pendingRequests.erase(it);
        } else {
            ++it;
        }
    }
}

void DonationSystem::approveRequestManually(int index) {
    if (index >= 0 && index < pendingRequests.size()) {
        RequestedItem request = pendingRequests[index];
        std::string name = request.getItemName();
        int qty = request.getQuantity();
        if (donationPool[name] >= qty) {
            donationPool[name] -= qty;
            approvedRequests.push_back(request);
            pendingRequests.erase(pendingRequests.begin() + index);
        }
    }
}

std::map<std::string, int> DonationSystem::getDonationPool() {
    return donationPool;
}

std::vector<RequestedItem> DonationSystem::getPendingRequests() {
    return pendingRequests;
}

std::vector<RequestedItem> DonationSystem::getApprovedRequests() {
    return approvedRequests;
}