From c9b6b9a5ca082fe7c1b6f58d7713f785a9eb6a5c Mon Sep 17 00:00:00 2001
From: Martial Simon <msimon_fr@hotmail.com>
Date: Mon, 15 Sep 2025 01:08:27 +0200
Subject: add: graphs et rushs

---
 graphs/cpp/my_nfts/auction.cc | 45 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 graphs/cpp/my_nfts/auction.cc

(limited to 'graphs/cpp/my_nfts/auction.cc')

diff --git a/graphs/cpp/my_nfts/auction.cc b/graphs/cpp/my_nfts/auction.cc
new file mode 100644
index 0000000..534c61d
--- /dev/null
+++ b/graphs/cpp/my_nfts/auction.cc
@@ -0,0 +1,45 @@
+#include "auction.hh"
+
+#include <algorithm>
+Auction::Auction(Person& organizer, NFT nft, uint initial_bid)
+    : organizer_{ organizer }
+    , nft_{ std::move(nft) }
+    , highest_bidder_{ nullptr }
+    , highest_bid_{ initial_bid }
+{
+    if (!nft_ || nft_->empty())
+        throw std::invalid_argument{ "Invalid nft!" };
+}
+Auction::~Auction()
+{
+    if (highest_bidder_ == nullptr)
+        organizer_.add_nft(std::move(nft_));
+    else
+    {
+        highest_bidder_->add_nft(std::move(nft_));
+        organizer_.add_money(highest_bid_);
+    }
+}
+bool Auction::bid(Person& person, uint money)
+{
+    if (money > highest_bid_)
+    {
+        if (highest_bidder_ == nullptr)
+            highest_bidder_ = &person;
+        else
+            highest_bidder_->add_money(highest_bid_);
+        highest_bid_ = money;
+        highest_bidder_ = &person;
+        highest_bidder_->remove_money(money);
+        return true;
+    }
+    return false;
+}
+const std::string& Auction::get_nft_name() const
+{
+    return *nft_;
+}
+uint Auction::get_highest_bid() const
+{
+    return highest_bid_;
+}
\ No newline at end of file
-- 
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