Personal blog written from scratch using Node.js, Bootstrap, and MySQL.
https://jrtechs.net
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106 lines
3.4 KiB
106 lines
3.4 KiB
//used to append static content to result
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const includes = require('../includes/includes.js');
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//used to append static content to result
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const contentLoader = require('../includes/staticContentServer.js');
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//caching program to make the application run faster
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const cache = require('memory-cache');
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//file io
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const utils = require('../utils/utils.js');
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/**
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* @author Jeffery Russell 11-3-18
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*
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* @type {{main: (function(*=, *): Promise)}}
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*/
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module.exports=
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{
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/**
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* Calls posts and sidebar modules to render blog contents in order
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*
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* @param requestURL
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* @returns {Promise|*}
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*/
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main: function(request, result, filename)
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{
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if(contentLoader.serveStaticContent(request, result, filename, ""))
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{
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//do nothing
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}
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//downloads
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else if (filename.includes("/downloads/"))
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{
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require("../includes/downloads.js").main(result, filename);
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}
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else if (filename.includes("/contact"))
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{
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require("../includes/contact.js").main(request, result);
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}
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else
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{
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var page = request.query.page;
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if(typeof page == "undefined")
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page = 1;
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page = Number(page);
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const html = cache.get(filename + "?page=" + page);
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result.writeHead(200, {'Content-Type': 'text/html'});
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if (html == null) {
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var file = "";
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if (filename === '' || filename === '/')
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{
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file = "../posts/homePage.js";
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}
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else
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{
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var urlSplit = filename.split("/");
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if (urlSplit.length >= 2 && urlSplit[1] === 'category') //single category page
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file = "../posts/category.js";
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else
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{
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file = "../posts/posts.js";
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page = 1; // all posts are single page, everyone must be one to ensure
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// cache is not tricked into storing same blog post a ton of times
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}
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}
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Promise.all([includes.printHeader(),
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require(file).main(filename, request),
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includes.printFooter()]).then(function (content)
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{
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result.write(content.join(''));
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result.end();
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cache.put(filename + "?page=" + page, content.join(''));
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}).catch(function (err)
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{
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cache.del(filename + "?page=" + page);
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utils.print404().then(function(content)
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{
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result.write(content);
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result.end();
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})
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});
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}
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else
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{
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result.write(html);
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result.end();
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}
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}
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},
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/**
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* Clears the memory cache.
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*/
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clearCache: function()
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{
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console.log("Blog cache cleared");
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cache.clear();
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}
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};
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