Add implemented and used getKnownProducts from MerkelMain

CM2005 Object Oriented Programming/Topic 4/4.1.7/OrderBook.cpp

@@ -0,0 +1,36 @@
+#include "OrderBook.h"
+#include "CSVReader.h"
+#include <map>
+
+/* Construct, reading a csv data file */
+OrderBook::OrderBook(std::string filename)
+{
+  orders = CSVReader::readCSV(filename);
+}
+
+/* return vector of all known products in the dataset */
+std::vector<std::string> OrderBook::getKnownProducts()
+{
+  std::vector<std::string> products;
+
+  std::map<std::string, bool> productMap;
+
+  for(OrderBookEntry& entry : orders)
+  {
+    productMap[entry.product] = true;
+  }
+
+  for(auto const&entry : productMap)
+  {
+    products.push_back(entry.first);
+  }
+
+  return products;
+}
+
+/* return vector of Orders according to the sent filters */
+std::vector<OrderBookEntry> OrderBook::getOrders(OrderBookType type, std::string product, std::string timestamp)
+{
+  std::vector<OrderBookEntry> order_selection;
+  return order_selection;
+}