[Added] Most of the frontend, split up backend services

2024-10-31 23:05:22 +01:00
parent 2505fce920
commit 3188f6ce20
48 changed files with 1391 additions and 398 deletions
@@ -0,0 +1,38 @@
+package com.ninjaws.quiz.services;
+
+import java.util.concurrent.TimeUnit;
+
+import org.springframework.stereotype.Service;
+
+import com.github.benmanes.caffeine.cache.Cache;
+import com.github.benmanes.caffeine.cache.Caffeine;
+import com.ninjaws.quiz.models.Session;
+
+@Service
+public class CacheService {
+
+    /**
+     * Stores all active sessions
+     * Gets added to when a user requests data
+     * Gets removed from when a user requests their score (by sending their answers)
+     */
+    private final Cache<String,Session> sessions;
+
+    public CacheService() {
+        sessions = (Caffeine.newBuilder()
+        .expireAfterWrite(1,TimeUnit.HOURS)
+        .build());
+    }
+
+    public void addToCache(String key, Session session) {
+        sessions.put(key, session);
+    }
+
+    public Session getFromCache(String sessionId) {
+        return sessions.getIfPresent(sessionId);
+    }
+
+    public void removeFromCache(String sessionId) {
+        sessions.invalidate(sessionId);
+    }
+}