Merge branch 'master' into develop

src/posts/cache.js

@@ -1,12 +1,31 @@
 'use strict';
 
-const cacheCreate = require('../cache/lru');
-const meta = require('../meta');
+let cache = null;
 
-module.exports = cacheCreate({
-	name: 'post',
-	maxSize: meta.config.postCacheSize,
-	sizeCalculation: function (n) { return n.length || 1; },
-	ttl: 0,
-	enabled: global.env === 'production',
-});
+exports.getOrCreate = function () {
+	if (!cache) {
+		const cacheCreate = require('../cache/lru');
+		const meta = require('../meta');
+		cache = cacheCreate({
+			name: 'post',
+			maxSize: meta.config.postCacheSize,
+			sizeCalculation: function (n) { return n.length || 1; },
+			ttl: 0,
+			enabled: global.env === 'production',
+		});
+	}
+
+	return cache;
+};
+
+exports.del = function (pid) {
+	if (cache) {
+		cache.del(pid);
+	}
+};
+
+exports.reset = function () {
+	if (cache) {
+		cache.reset();
+	}
+};

src/posts/parse.js

@@ -10,6 +10,7 @@ const meta = require('../meta');
 const plugins = require('../plugins');
 const translator = require('../translator');
 const utils = require('../utils');
+const postCache = require('./cache');
 
 let sanitizeConfig = {
 	allowedTags: sanitize.defaults.allowedTags.concat([
@@ -49,7 +50,7 @@ module.exports = function (Posts) {
 			return postData;
 		}
 		postData.content = String(postData.content || '');
-		const cache = require('./cache');
+		const cache = postCache.getOrCreate();
 		const pid = String(postData.pid);
 		const cachedContent = cache.get(pid);
 		if (postData.pid && cachedContent !== undefined) {