OneBot: Leantime 改造版源码（BOM/Univer 表格/AI 接管/品牌替换等）

app/Domain/Setting/Services/SettingCache.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace Leantime\Domain\Setting\Services;
+
+use Illuminate\Support\Facades\Cache;
+
+/**
+ * SettingCache - Provides a two-tier cache for settings.
+ *
+ * Tier 1: In-memory array (eliminates redundant I/O within a single request)
+ * Tier 2: Laravel cache store (file/Redis, persists across requests with 1hr TTL)
+ *
+ * The same setting key is often read 5-10 times within a single request
+ * (Theme, Localization, Menu all reading overlapping keys). The in-memory
+ * tier eliminates all redundant file/Redis reads after the first access.
+ */
+class SettingCache
+{
+    private const CACHE_KEY_PREFIX = 'setting:';
+
+    private const CACHE_TTL = 3600; // 1 hour
+
+    /**
+     * In-memory request-level cache.
+     * Stores values for the duration of the PHP request to avoid
+     * redundant file/Redis cache reads for the same key.
+     *
+     * Uses a sentinel to distinguish "key cached as null" from "key not cached".
+     *
+     * @var array<string, mixed>
+     */
+    private array $inMemory = [];
+
+    private const NOT_FOUND = '__SETTING_CACHE_NOT_FOUND__';
+
+    /**
+     * Get setting from cache.
+     * Checks in-memory first, then falls through to Laravel cache.
+     */
+    public function get(string $key): mixed
+    {
+        // Tier 1: In-memory (zero I/O)
+        if (array_key_exists($key, $this->inMemory)) {
+            $value = $this->inMemory[$key];
+
+            return $value === self::NOT_FOUND ? null : $value;
+        }
+
+        // Tier 2: Laravel cache (file/Redis)
+        $value = Cache::get(self::CACHE_KEY_PREFIX.$key);
+
+        // Store in memory for subsequent reads within this request
+        $this->inMemory[$key] = $value ?? self::NOT_FOUND;
+
+        return $value;
+    }
+
+    /**
+     * Store setting in both in-memory and Laravel cache.
+     */
+    public function set(string $key, mixed $value): void
+    {
+        $this->inMemory[$key] = $value;
+        Cache::put(self::CACHE_KEY_PREFIX.$key, $value, self::CACHE_TTL);
+    }
+
+    /**
+     * Remove setting from both in-memory and Laravel cache.
+     */
+    public function forget(string $key): void
+    {
+        unset($this->inMemory[$key]);
+        Cache::forget(self::CACHE_KEY_PREFIX.$key);
+    }
+
+    /**
+     * Clear all settings from cache.
+     */
+    public function flush(): void
+    {
+        $this->inMemory = [];
+        Cache::tags(['settings'])->flush();
+    }
+}