Initial commit

Author: drublic

Cache.js

@@ -0,0 +1,55 @@
+/**
+ * Caching interface for Hapi
+ */
+const client = require('redis');
+
+class Cache () {
+
+  /**
+   * Set up general cache
+   * @return {void}
+   */
+  constructor (config) {
+    this.config = config;
+    this.cacheClient = client.createClient(config.redisUrl);
+  }
+
+  /**
+   * Set a value to cache
+   * @param  {String}   key       Key to store value to
+   * @param  {String}   value     Value to store
+   * @param  {Number}   expiresIn Milliseconds after which the cached value gets deleted
+   * @param  {Function} callback  Callback
+   * @return {void}
+   */
+  set (key, value, expiresIn = this.config.expiresIn, callback = () => {}) {
+    value = JSON.stringify(value);
+
+    cacheClient.set(key, value, 'PX', expiresIn, (error) => {
+      if (error) {
+        throw error;
+      }
+
+      callback && callback();
+    });
+  }
+
+  /**
+   * Get a specific value from the store
+   * @param  {String}   key      Key to get
+   * @param  {Function} callback Function to fire after cached value was retrieved
+   * @return {void}
+   */
+  get (key, callback) {
+
+    cacheClient.get(key, (error, value) => {
+      try {
+        value = JSON.parse(value);
+      } catch (error) {}
+
+      callback && callback(error, value);
+    });
+  }
+}
+
+module.exports = Cache;

README.md

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+# HAPI INIT - Redis Cache plugin
+
+This plugin makes it easy to Cache any sort of data in Redis.
+
+## Usage
+
+Install via npm:
+
+    $ npm install --save hapi-init-redis
+
+### How to use
+
+    const Cache = require('hapi-init-redis');
+    const cache = new Cache({
+      redisUrl:
+    });
+
+    // Setting an object in cache
+    cache.set('foo', 'bar', 1000 * 60 * 60, () => {
+      console.log('Data set in Cache');
+    });
+
+    // Getting the object from Cache
+    cache.get('foo', (error, data) => {
+      console.log('Data found:', data);
+    });

package.json

@@ -0,0 +1,11 @@
+{
+  "name": "hapi-init-redis",
+  "version": "1.0.0",
+  "description": "Hapi Caching Interface with redis",
+  "main": "Cache.js",
+  "author": "Hans Christian Reinl <[email protected]>",
+  "license": "MIT",
+  "dependencies": {
+    "redis": "^2.7.1"
+  }
+}

yarn.lock

@@ -0,0 +1,23 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+double-ended-queue@^2.1.0-0:
+  version "2.1.0-0"
+  resolved "https://registry.yarnpkg.com/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz#103d3527fd31528f40188130c841efdd78264e5c"
+
+redis-commands@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/redis-commands/-/redis-commands-1.3.1.tgz#81d826f45fa9c8b2011f4cd7a0fe597d241d442b"
+
+redis-parser@^2.5.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/redis-parser/-/redis-parser-2.6.0.tgz#52ed09dacac108f1a631c07e9b69941e7a19504b"
+
+redis@^2.7.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/redis/-/redis-2.7.1.tgz#7d56f7875b98b20410b71539f1d878ed58ebf46a"
+  dependencies:
+    double-ended-queue "^2.1.0-0"
+    redis-commands "^1.2.0"
+    redis-parser "^2.5.0"