easy-mongo-orm/dist/core/CacheManager.js

A powerful and elegant MongoDB/Mongoose toolkit that makes database operations a breeze with built-in caching, search, pagination, performance monitoring, soft delete, versioning, data export/import, schema validation, and migration utilities

"use strict";

const {
  cacheRead,
  clearCache
} = require('../utils/cache');
class CacheManager {
  constructor(modelName, options = {}) {
    this.modelName = modelName;
    this.cache = new Map();
    this.enabled = options.enableCache || false;
    this.ttl = options.cacheTTL || 3600; // Default 1 hour
  }
  isEnabled() {
    return this.enabled;
  }
  async read(key, fetchFunction) {
    if (!this.enabled) {
      return fetchFunction();
    }
    const cacheKey = `${this.modelName}:${key}`;
    const cached = this.cache.get(cacheKey);
    if (cached && cached.expiry > Date.now()) {
      return cached.data;
    }
    const data = await fetchFunction();
    this.cache.set(cacheKey, {
      data,
      expiry: Date.now() + this.ttl * 1000
    });
    return data;
  }
  async clear(key) {
    if (!this.enabled) return;
    if (key) {
      const cacheKey = `${this.modelName}:${key}`;
      this.cache.delete(cacheKey);
    } else {
      this.cache.clear();
    }
  }
}
module.exports = CacheManager;