Clean up cache every day

Also add a slight delay when downloading images to prevent rate limiting from Scryfall.

1 files changed, 5 insertions, 2 deletions

@@ -36,7 +36,8 @@ class server {
     socket_.listen(port_);
     socket_.start_accept();
 
-    asio::post(std::bind(&server::cleanup_thread, this));
+    std::thread cleanup(std::bind(&server::cleanup_thread, this));
+    cleanup.detach();
 
     std::cout << "Listening on port " << port_ << "..." << std::endl;
 
@@ -145,7 +146,9 @@ class server {
 
   void cleanup_thread() {
     for (;;) {
-      // sleep
+      std::this_thread::sleep_for(std::chrono::hours(24));
+
+      images_.cleanup();
     }
   }