149 lines
4.3 KiB
C++
149 lines
4.3 KiB
C++
#include "CosmeticManager.h"
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#include <fstream>
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#include <iostream>
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#include "Cosmetic.h"
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CosmeticManager::CosmeticManager()
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: cosmetics(new Cosmetic*[10]), count(0), capacity(10) {}
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CosmeticManager::~CosmeticManager() {
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for (int i = 0; i < count; ++i) {
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delete cosmetics[i];
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}
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delete[] cosmetics;
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}
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void CosmeticManager::resizeArray() {
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int newCapacity = capacity * 2;
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Cosmetic** newArray = new Cosmetic*[newCapacity];
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for (int i = 0; i < count; ++i) {
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newArray[i] = cosmetics[i];
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}
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delete[] cosmetics;
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cosmetics = newArray;
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capacity = newCapacity;
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}
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void CosmeticManager::addCosmetic(const Cosmetic& cosmetic) {
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if (count >= capacity) {
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resizeArray();
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}
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cosmetics[count++] = new Cosmetic(cosmetic);
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saveToFile();
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}
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bool CosmeticManager::deleteCosmetic(const std::string& name) {
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for (int i = 0; i < count; ++i) {
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if (cosmetics[i]->getName() == name) {
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delete cosmetics[i];
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// 移动后续元素
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for (int j = i; j < count - 1; ++j) {
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cosmetics[j] = cosmetics[j + 1];
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}
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count--;
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saveToFile();
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return true;
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}
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}
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return false;
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}
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Cosmetic* CosmeticManager::findCosmetic(const std::string& name) {
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for (int i = 0; i < count; ++i) {
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if (cosmetics[i]->getName() == name) {
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return cosmetics[i];
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}
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}
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return nullptr;
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}
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bool CosmeticManager::modifyCosmetic(const std::string &name, double newPrice, bool newType, std::string expirationDate) {
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Cosmetic* cosmetic = findCosmetic(name);
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if (cosmetic) {
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cosmetic->setPrice(newPrice);
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cosmetic->setType(newType);
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cosmetic->setExpirationDate(expirationDate);
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saveToFile();
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return true;
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}
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return false;
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}
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void CosmeticManager::loadFromFile() {
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std::ifstream file("Cosmetic.txt");
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if (!file.is_open()) return;
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std::string name, expirationDate;
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double price;
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bool type;
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while (file >> name >> price >> type >> expirationDate) {
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addCosmetic(Cosmetic(name, price, type, expirationDate));
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}
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file.close();
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}
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void CosmeticManager::saveToFile() {
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std::ofstream file("Cosmetic.txt");
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for (int i = 0; i < count; ++i) {
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file << cosmetics[i]->getName() << " "
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<< cosmetics[i]->getPrice() << " "
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<< cosmetics[i]->getType() << " "
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<< cosmetics[i]->getExpirationDate() << "\n"; // 新增过期日期
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}
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file.close();
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}
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void CosmeticManager::displayAll() const {
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for (int i = 0; i < count; ++i) {
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std::cout << "品牌: " << cosmetics[i]->getName()
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<< " | 价格: " << cosmetics[i]->getPrice()
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<< " | 类型: " << (cosmetics[i]->getType() ? "国产" : "进口")
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<< " | 过期日期: " << cosmetics[i]->getExpirationDate() // 新增
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<< std::endl;
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}
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}
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// 查找临期化妆品，小于60天
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void CosmeticManager::displayExpiringCosmetics(int days=60) const {
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std::string date = Cosmetic::getTime();
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for (int i = 0; i < count; ++i) {
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//这里可以调整判定临期的时间（天）
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if (cosmetics[i]->getExpirationDate() < Cosmetic::getTimeAdd(days)) {
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std::cout << "品牌: " << cosmetics[i]->getName()
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<< " | 过期日期: " << cosmetics[i]->getExpirationDate()
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<< std::endl;
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}
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}
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}
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// 基于YYYY-MM-DD格式的日期合法性检查
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bool CosmeticManager::isValidDate(const std::string& date) {
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if (date.length() != 10 || date[4] != '-' || date[7] != '-') {
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return false;
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}
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for (int i = 0; i < 10; ++i) {
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if (i == 4 || i == 7) continue;
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if (!isdigit(date[i])) {
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return false;
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}
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}
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int year, month, day;
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if (sscanf(date.c_str(), "%d-%d-%d", &year, &month, &day) != 3) {
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return false;
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}
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// 基本范围检查
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if (year < 1 || month < 1 || month > 12 || day < 1) {
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return false;
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}
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// 每月天数检查（包含闰年处理）
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static const int daysInMonth[] = {31, 28 + (month == 2 && (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0))),
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31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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int maxDay = daysInMonth[month - 1];
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return day <= maxDay;
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}
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