import export nearly finished

src/core/database.cpp

@@ -491,8 +491,6 @@ unsigned int Database::storeSales(std::vector<std::unique_ptr<Sale>>& sales)
             ++count;
             sqlite3_finalize(stmt);
         }
-
-        // Maybe not necessary (because of DELETE CASCADE): Delete here individual articles
     }
 
     endTransaction();

src/core/jsonutil.cpp

@@ -66,6 +66,9 @@ void JsonUtil::exportSales(const std::string& filename, Marketplace* market, int
     root["source_no"] = cashPointNo;
 
     for (const auto& sale : market->getSales()) {
+        if (sale->getSourceNo() != cashPointNo)
+            continue;
+
         Json::Value newSale;
         newSale["uuid"] = sale->getUuidAsString();
         newSale["timestamp"] = sale->getTimestamp();
@@ -100,5 +103,33 @@ void JsonUtil::importSales(const std::string& filename, Marketplace* market, int
                                  "hier bereits verwendet.");
     }
 
-    // TODO: Import sales
+    market->setSalesToDelete(jsonValues["source_no"].asInt());
+    market->storeToDb();
+
+    for (const auto& valSale : jsonValues["sales"]) {
+        auto sale = std::make_unique<Sale>();
+        sale->setUuidFromString(valSale["uuid"].asString());
+        sale->setSourceNo(jsonValues["source_no"].asInt());
+        sale->setTimestamp(valSale["timestamp"].asString());
+        for (const auto& valArticle : valSale["articles"]) {
+            auto article = std::make_unique<Article>();
+            article->setUuidFromString(valArticle["uuid"].asString());
+            article->setSourceNo(jsonValues["source_no"].asInt());
+            article->setArticleNo(valArticle["article_no"].asInt());
+            article->setDescription(valArticle["desc"].asString());
+            article->setPrice(valArticle["price"].asInt());
+            auto seller = market->findSellerWithUuid(valArticle["seller_uuid"].asString());
+            if (seller == nullptr) {
+                throw std::runtime_error(
+                    "Die zu importierenden Daten verweisen auf einen nicht vorhandenen Verkäufer. "
+                    "Die Daten konnten nicht importiert werden.");
+                // continue;
+            }
+            sale->addArticle(article.get());
+            seller->addArticle(std::move(article));
+        }
+        market->getSales().push_back(std::move(sale));
+    }
+
+    market->storeToDb();
 }

src/core/marketplace.cpp

@@ -84,6 +84,15 @@ Seller* Marketplace::findSellerWithSellerNo(int sellerNo)
     return (*iter).get();
 }
 
+Seller* Marketplace::findSellerWithUuid(const std::string& uuid)
+{
+    auto iter = std::find_if(sellers_.begin(), sellers_.end(),
+                             [uuid](const auto& a) { return a->getUuidAsString() == uuid; });
+    if (iter == sellers_.end())
+        return nullptr;
+    return (*iter).get();
+}
+
 void Marketplace::addArticleToBasket(std::unique_ptr<Article> article)
 {
     basket_.push_back(std::move(article));
@@ -129,6 +138,18 @@ void Marketplace::removeSale(boost::uuids::uuid uuid)
                  sales_.end());
 }
 
+void Marketplace::setSalesToDelete(int cashPointNo)
+{
+    std::for_each(sales_.begin(), sales_.end(), [cashPointNo](auto& sale) {
+        if (sale->getSourceNo() == cashPointNo) {
+            sale->setState(Sale::State::DELETE);
+            for (auto& article : sale->getArticles()) {
+                article->setState(Article::State::DELETE);
+            }
+        }
+    });
+}
+
 void Marketplace::exportReportToCSV(const std::string& filename, int feeInPercent, int maxFeeInEuro)
 {
     const char delimiter = ',';

src/core/marketplace.h

@@ -35,10 +35,12 @@ class Marketplace
 
     void sortSellers();
     Seller* findSellerWithSellerNo(int sellerNo);
+    Seller* findSellerWithUuid(const std::string& uuid);
     void addArticleToBasket(std::unique_ptr<Article> article);
     size_t basketSize();
     void finishCurrentSale(std::unique_ptr<Sale> sale);
     void removeSale(boost::uuids::uuid uuid);
+    void setSalesToDelete(int cashPointNo);
 
     int getOverallSumInCent();
     std::string getOverallSumAsString();

src/gui/mainwindow.cpp

@@ -11,8 +11,8 @@
 
 #include <excelreader.h>
 
-#include <regex>
 #include <exception>
+#include <regex>
 
 #include <QFileDialog>
 #include <QMessageBox>
@@ -278,6 +278,9 @@ void MainWindow::onImportSellerJsonActionTriggered()
     auto filename = QFileDialog::getOpenFileName(this, "Verkäufer importieren", QString(),
                                                  "JSON Dateien (*.json)");
 
+    if (filename.isEmpty())
+        return;
+
     JsonUtil::importSellers(filename.toStdString(), marketplace_.get());
 }
 
@@ -286,6 +289,9 @@ void MainWindow::onExportSellerJsonActionTriggered()
     auto filename = QFileDialog::getSaveFileName(this, "Verkäufer exportieren", QString(),
                                                  "JSON Dateien (*.json)");
 
+    if (filename.isEmpty())
+        return;
+
     JsonUtil::exportSellers(filename.toStdString(), marketplace_.get());
 }
 
@@ -295,6 +301,10 @@ void MainWindow::onExportSalesJsonActionTriggered()
 
     auto filename = QFileDialog::getSaveFileName(this, "Umsätze/Transaktionen exportieren",
                                                  QString(), "JSON Dateien (*.json)");
+
+    if (filename.isEmpty())
+        return;
+
     JsonUtil::exportSales(filename.toStdString(), marketplace_.get(),
                           settings.value("global/cashPointNo").toInt());
 }
@@ -314,12 +324,17 @@ void MainWindow::onImportSalesJsonActionTriggered()
     auto filename = QFileDialog::getOpenFileName(this, "Umsätze/Transaktionen importieren",
                                                  QString(), "JSON Dateien (*.json)");
 
+    if (filename.isEmpty())
+        return;
+
+    delete ui_.salesView->model();
     try {
         JsonUtil::importSales(filename.toStdString(), marketplace_.get(),
-                                settings.value("global/cashPointNo").toInt());
+                              settings.value("global/cashPointNo").toInt());
     } catch (std::runtime_error& err) {
         QMessageBox(QMessageBox::Icon::Warning, "Import nicht möglich", err.what(), QMessageBox::Ok,
                     this)
             .exec();
     }
+    setSaleModel();
 }