modify: 디렉토리 세팅 변경

Author: Nuung

src/modules/cache/cache.exception.ts

@@ -0,0 +1,20 @@
+export class CacheError extends Error {
+  constructor(message: string, public readonly code?: string) {
+    super(message);
+    this.name = 'CacheError';
+  }
+}
+
+export class CacheConnectionError extends CacheError {
+  constructor(message: string) {
+    super(message, 'CONNECTION_ERROR');
+    this.name = 'CacheConnectionError';
+  }
+}
+
+export class CacheOperationError extends CacheError {
+  constructor(message: string, operation: string) {
+    super(message, `OPERATION_ERROR_${operation.toUpperCase()}`);
+    this.name = 'CacheOperationError';
+  }
+}

src/modules/cache/cache.type.ts

@@ -0,0 +1,30 @@
+export interface CacheConfig {
+  host: string;
+  port: number;
+  password?: string;
+  db?: number;
+  keyPrefix?: string;
+  maxSize?: number;
+  defaultTTL?: number;
+  strategy?: 'lru' | 'ttl' | 'combined';
+}
+
+export interface CacheMetadata {
+  key: string;
+  size: number;
+  createdAt: number;
+  lastAccessed: number;
+  accessCount: number;
+  ttl?: number;
+  expiresAt?: number;
+}
+
+export interface ICache {
+  get<T>(key: string): Promise<T | null>;
+  set<T>(key: string, value: T, ttlSeconds?: number): Promise<void>;
+  delete(key: string): Promise<boolean>;
+  exists(key: string): Promise<boolean>;
+  clear(pattern?: string): Promise<void>;
+  size(): Promise<number>;
+}
+