QT-CART

QT-Main/barcodescanner.cpp

@@ -0,0 +1,108 @@
+#include "barcodescanner.h"
+#include <QNetworkRequest>
+#include <QUrl>
+#include <QDebug>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QVariant> 
+
+BarcodeScanner::BarcodeScanner(QObject *parent)
+    : QObject(parent),
+      manager(new QNetworkAccessManager(this))
+{
+    connect(manager, &QNetworkAccessManager::finished,
+            this, &BarcodeScanner::onNetworkReply);
+}
+
+void BarcodeScanner::setApiBaseUrl(const QString &ip, int port)
+{
+    m_apiBaseUrl = QString("http://%1:%2").arg(ip).arg(port);
+    qDebug() << "[Scanner] API Base URL set to:" << m_apiBaseUrl;
+}
+
+// 상품 추가
+void BarcodeScanner::fetchItemDetails(const QString& itemId)
+{
+    QString path = QString("%1/cart/add/%2").arg(m_apiBaseUrl).arg(itemId);
+    QUrl url(path);
+    
+    QNetworkRequest request(url);
+    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+    
+    manager->post(request, QByteArray());
+
+    qDebug() << "==================================================";
+    qDebug() << "[Scanner] Requesting ADD -> ID:" << itemId;
+    qDebug() << "[Scanner] URL:" << url.toString();
+}
+
+// 상품 제거
+void BarcodeScanner::removeItem(const QString& itemId)
+{
+    QString path = QString("%1/cart/remove/%2").arg(m_apiBaseUrl).arg(itemId);
+    QUrl url(path);
+    
+    QNetworkRequest request(url);
+    request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
+
+    manager->post(request, QByteArray());
+
+    qDebug() << "==================================================";
+    qDebug() << "[Scanner] Requesting REMOVE -> ID:" << itemId;
+    qDebug() << "[Scanner] URL:" << url.toString();
+}
+
+void BarcodeScanner::onNetworkReply(QNetworkReply *reply)
+{
+    if (reply->error() != QNetworkReply::NoError) {
+        qDebug() << "[Scanner] Network Error:" << reply->errorString();
+        emit fetchFailed(reply->errorString());
+        reply->deleteLater();
+        return;
+    }
+
+    QByteArray data = reply->readAll();
+    qDebug() << "[Scanner] Raw Response Data:" << data;
+
+    QJsonDocument doc = QJsonDocument::fromJson(data);
+    if (!doc.isObject()) {
+        qDebug() << "[Scanner] Invalid JSON response";
+        reply->deleteLater();
+        return;
+    }
+
+    QJsonObject obj = doc.object();
+    QString action = obj["action"].toString(); 
+
+    qDebug() << "[Scanner] Parsed Action:" << action;
+
+    // 데이터 유효성 검사
+    if (action == "add") {
+        Item item;
+
+        if (obj.contains("item")) item.name = obj["item"].toString();
+        else if (obj.contains("name")) item.name = obj["name"].toString();
+        else item.name = "알수없음";
+
+        if (obj.contains("id")) {
+            item.id = obj["id"].toVariant().toString(); 
+        }
+
+        if (obj.contains("price")) item.price = obj["price"].toDouble();
+
+        double expectedWeight = 0.0;
+        if (obj.contains("expected_weight")) {
+             expectedWeight = obj["expected_weight"].toDouble();
+             item.weight = expectedWeight;
+        }
+
+        qDebug() << "[Scanner] Item Parsed: " << item.name << ", " << item.price;
+        
+        emit itemFetched(item, expectedWeight);
+    }
+    else if (action == "remove") {
+        qDebug() << "[Scanner] Remove confirmed.";
+    }
+
+    reply->deleteLater();
+}