From e0964bbc4f66e7d193abd249213c9cf762fd0294 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 30 Dec 2020 15:37:39 +0800
Subject: import(life): ...

---
 works/life/cpp-practicum/Record.cpp | 38 +++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 works/life/cpp-practicum/Record.cpp

(limited to 'works/life/cpp-practicum/Record.cpp')

diff --git a/works/life/cpp-practicum/Record.cpp b/works/life/cpp-practicum/Record.cpp
new file mode 100644
index 0000000..1041b23
--- /dev/null
+++ b/works/life/cpp-practicum/Record.cpp
@@ -0,0 +1,38 @@
+#include "Record.hpp"
+
+void Record::WriteTo(QFile file) {
+  file.open(QFile::ReadWrite | QFile::Text | QFile::Truncate);
+  QTextStream stream(&file);
+  stream.setCodec("UTF-8");
+
+  stream << books_.size() << ' ' << vendors_.size() << '\n';
+  for (const auto &book : books_) {
+    stream << book << '\n';
+  }
+  for (const auto &vendor : vendors_) {
+    stream << vendor << '\n';
+  }
+}
+
+void Record::ReadFrom(QFile file) {
+  file.open(QFile::ReadOnly | QFile::Text);
+  QTextStream stream(&file);
+  stream.setCodec("UTF-8");
+
+  books_.clear();
+  vendors_.clear();
+
+  int book_count, vendor_count;
+  stream >> book_count >> vendor_count;
+  stream.skipWhiteSpace();
+  for (int i = 0; i < book_count; i++) {
+    Book book;
+    stream >> book;
+    books_.push_back(std::move(book));
+  }
+  for (int i = 0; i < vendor_count; i++) {
+    Vendor vendor;
+    stream >> vendor;
+    vendors_.push_back(std::move(vendor));
+  }
+}
-- 
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