load sellers

src/core/database.cpp

@@ -399,3 +399,39 @@ unsigned int Database::storeArticles(std::vector<Article*> articles)
 
     return count;
 }
+
+unsigned int Database::loadSellers(std::vector<std::unique_ptr<Seller>>& sellers)
+{
+    int retCode{};
+    int count{};
+    sqlite3_stmt* stmt;
+
+    retCode = sqlite3_prepare_v2(db_,
+                                 "SELECT id, seller_no, first_name, last_name, "
+                                 "num_offered_articles FROM sellers ORDER BY seller_no",
+                                 -1, &stmt, nullptr);
+    if (retCode != SQLITE_OK)
+        throw std::runtime_error(sqlite3_errmsg(db_));
+
+    retCode = sqlite3_step(stmt);
+
+    sellers.clear();
+
+    while (retCode != SQLITE_DONE) {
+        ++count;
+        auto seller = std::make_unique<Seller>();
+        seller->setUuidFromString(reinterpret_cast<const char*>(sqlite3_column_text(stmt, 0)));
+        seller->setSellerNo(sqlite3_column_int(stmt, 1));
+        seller->setFirstName(reinterpret_cast<const char*>(sqlite3_column_text(stmt, 2)));
+        seller->setLastName(reinterpret_cast<const char*>(sqlite3_column_text(stmt, 3)));
+        seller->setNumArticlesOffered(sqlite3_column_int(stmt, 4));
+        seller->setState(Seller::State::OK);
+        sellers.push_back(std::move(seller));
+
+        retCode = sqlite3_step(stmt);
+    }
+
+    sqlite3_finalize(stmt);
+
+    return count;
+}

src/core/database.h

@@ -17,6 +17,7 @@ class Database
     Database& operator=(const Database&) = delete;
     void exec(const std::string& sql);
     unsigned int storeSellers(std::vector<std::unique_ptr<Seller>>& sellers);
+    unsigned int loadSellers(std::vector<std::unique_ptr<Seller>>& sellers);
 
   private:
     sqlite3* db_{nullptr};

src/core/marketplace.cpp

@@ -12,13 +12,15 @@ Marketplace::Marketplace()
 
 void Marketplace::storeToDb()
 {
-    //const std::string DB_PATH{"/tmp/kima2.db"};
-
     Database db;
     db.storeSellers(sellers_);
 }
 
-void Marketplace::loadFromDb() {}
+void Marketplace::loadFromDb()
+{
+    Database db;
+    db.loadSellers(sellers_);
+}
 
 std::vector<std::unique_ptr<Seller>>& Marketplace::getSellers() { return sellers_; }
 

src/gui/mainwindow.cpp

@@ -27,7 +27,7 @@ void MainWindow::on_actionEditSeller_triggered()
                                  STATUSBAR_TIMEOUT);
     } else {
         marketplace_->loadFromDb();
-        statusBar()->showMessage("Änderungen an den Verkäufer-Stammdaten <b>verworfen</b>.",
+        statusBar()->showMessage("Änderungen an den Verkäufer-Stammdaten verworfen!",
                                  STATUSBAR_TIMEOUT);
     }
 }