Stock_Inventory.cpp

//S
// #include "stdafx.h"
#include "Stock_Inventory.h"
#include <fstream>
#include <iostream>
#include <string>
#include <vector>

void Inventory::checkForLow() {
	std::vector <std::pair<std::string, int>> list;
	for (auto& g : stocks) {
		if (g.inStock < g.reorderPoint) {
			std::cout << g.id << ": " << g.reorderPoint * 3 - g.inStock << std::endl;
			list.emplace_back(g.id, g.reorderPoint * 3 - g.inStock);
		}
	}
}
Stock& Stock::operator =(const std::string temp) {
	return stringToStock(temp);
}
orderItem Inventory::checkIfInStock(std::string id, int quantity) {
	for (int x = 0; x < stocks.size(); x++) {
		if (stocks[x].id == id) {
			if (stocks[x].quantity >= quantity) {
				stocks[x].quantity -= quantity;
			}
			else {
				checkForLow();
			}
		}
	}
}

Stock& Inventory::findItem(std::string id) {
	for (int x = 0; x < stocks.size(); x++) {
		if (stocks[x].id == id) {
			return stocks[x];
		}
	}
}

void Inventory::createItem(std::string id, std::string desc, int quantity, int inStock, std::string supplierId, int reorderPoint) {
	Stock s;
	std::ofstream stream;

	s.id = id;
	s.desc = desc;
	s.quantity = quantity;
	s.inStock = inStock;
	s.supplierId = supplierId;
	s.reorderPoint = reorderPoint;

	stocks.emplace_back(s);
	stream.open("products.txt");
	stream << id;
	stream.close();
	stream.open("products/" + id + ".txt");
	stream << id + '\n';
	stream << desc + '\n';
	stream << quantity + '\n';
	stream << inStock + '\n';
	stream << supplierId + '\n';
	stream << reorderPoint + '\n';
}

Stock stringToStock(std::string s) {
	Stock rip;
	int harambe = 0;
	std::vector<std::string> vars;
	for (int x = 0; x < 6; x++) {
		vars[x] = s.substr(harambe, s.find('\n', x));
		harambe = s.find('\n', x) + 1;
	}
	rip.id = vars[0];
	rip.desc = vars[1];
	rip.quantity = std::stoi(vars[2]);
	rip.inStock = std::stoi(vars[3]);
	rip.supplierId = vars[4];
	rip.reorderPoint = std::stoi(vars[5]);
	return rip;
}

std::vector<std::string> Inventory::outputList() {
	std::ifstream stream;
	std::string line;
	std::vector<std::string> list;
	stream.open("products.txt"); // list of files to load
	while (std::getline(stream, line)) {
		stream.close();
		stream.open("products/" + line + ".txt"); // files with all the information about stuff
		while (stream.is_open()) {
			std::string agam = "";
			while (std::getline(stream, line)) {
				std::cout << line << std::endl;
				agam += line + '\n';
			}
			list.emplace_back(stringToStock(agam));
			agam = "";
			stream.close();
		}
		stream.open("products.txt");
	}
	stream.close();
	return list;
}

void Stock::incrementQuantity(int qty) {
	quantity += qty;
}

std::string Stock::getID() {
	return id;
}

int Stock::getInStock() {
	return inStock;
}

int Stock::getReorderPoint() {
	return reorderPoint;
}

void Stock::printStock() {
	std::cout << std::to_string(inStock) << std::endl;
}