Чтение данных

bitcoin-project/src/csv_loader.cpp

@@ -0,0 +1,47 @@
+#include "csv_loader.hpp"
+#include <fstream>
+#include <sstream>
+#include <iostream>
+
+std::vector<Record> load_csv(const std::string& filename) {
+    std::vector<Record> data;
+    std::ifstream file(filename);
+
+    if (!file.is_open()) {
+        throw std::runtime_error("Cannot open file: " + filename);
+    }
+
+    std::string line;
+
+    // читаем первую строку (заголовок)
+    std::getline(file, line);
+
+    while (std::getline(file, line)) {
+        std::stringstream ss(line);
+        std::string item;
+
+        Record row;
+
+        std::getline(ss, item, ',');
+        row.timestamp = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.open = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.high = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.low = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.close = std::stod(item);
+
+        std::getline(ss, item, ',');
+        row.volume = std::stod(item);
+
+        data.push_back(row);
+    }
+
+    return data;
+}