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64 lines
1.3 KiB
64 lines
1.3 KiB
// cache.js
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// Copyright (C) 2022 DTP Technologies, LLC
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// License: Apache-2.0
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'use strict';
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const { SiteService } = require('../../lib/site-lib');
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class CacheService extends SiteService {
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constructor (dtp) {
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super(dtp, module.exports);
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}
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async set (name, value) {
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return this.dtp.redis.set(name, value);
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}
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async setEx (name, seconds, value) {
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return this.dtp.redis.setex(name, seconds, value);
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}
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async get (name) {
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return this.dtp.redis.get(name);
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}
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async setObject (name, value) {
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return this.dtp.redis.set(name, JSON.stringify(value));
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}
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async setObjectEx (name, seconds, value) {
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return this.dtp.redis.setex(name, seconds, JSON.stringify(value));
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}
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async getObject (name) {
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const value = await this.dtp.redis.get(name);
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if (!value) {
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return; // undefined
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}
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return JSON.parse(value);
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}
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async del (name) {
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return this.dtp.redis.del(name);
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}
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getKeys (pattern) {
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return new Promise((resolve, reject) => {
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return this.dtp.redis.keys(pattern, (err, response) => {
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if (err) {
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return reject(err);
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}
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return resolve(response);
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});
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});
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}
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}
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module.exports = {
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logId: 'svc:cache',
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index: 'cache',
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className: 'CacheService',
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create: (dtp) => { return new CacheService(dtp); },
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};
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