Personal blog written from scratch using Node.js, Bootstrap, and MySQL.
https://jrtechs.net
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99 lines
2.6 KiB
99 lines
2.6 KiB
const utils = require('../utils/utils.js');
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const sql = require('../utils/sql');
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const qs = require('querystring');
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const Promise = require('promise');
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/**
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* Displays all the categories in the database
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* @param res
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* @return {*|Promise}
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*/
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var printCategories = function(res)
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{
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res.write("<div class=\"blogPost p-2 \">");
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res.write("<h1 class=\"text-center\">Categories</h1>");
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res.write("<div class=\"\"><table class=\"table table-striped\">");
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res.write("<thead class=\"thead-dark\">");
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res.write("<tr>");
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res.write("<td>Name</td><td>URL</td><td>Edit</td>");
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res.write("</tr></thead><tbody>");
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return new Promise(function(resolve, reject)
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{
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sql.getCategories().then(function(categories)
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{
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categories.forEach(function(c)
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{
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res.write("<tr>");
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res.write("<td>" + c.name + "</td>");
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res.write("<td>" + c.url + "</td>");
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res.write("<td>" + c.category_id + "</td>");
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res.write("</tr>");
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});
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res.write("</tbody></table></div></div>");
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resolve();
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})
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});
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};
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/**
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* Checks for post data regarding adding a new category.
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* If a post is made with add_category, it parses the url-- replaces spaces
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* with dashes -- and calls a insert method on the database
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*
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* @param res
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* @param postData
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* @return {*|Promise}
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*/
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var processPost = function(res, postData)
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{
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return new Promise(function(resolve, reject)
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{
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var post = qs.parse(postData);
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if(post.add_category)
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{
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var url = post.add_category.split(" ").join("-").toLowerCase();
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var q = "insert into categories (name, url) values " +
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"('" + post.add_category + "','" + url + "')";
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if(sql.insert(q) != 0)
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{
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console.log("category added");
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}
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else
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{
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console.log("error adding category");
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}
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}
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resolve(postData);
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});
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};
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module.exports=
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{
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main: function(res, postData)
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{
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res.write("<div class=\"col-md-6\">");
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return new Promise(function(resolve, reject)
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{
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utils.include(res, "./admin/addCategory.html");
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printCategories(res).then(function()
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{
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//console.write("categories finished");
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return processPost(res, postData);
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}).then(function()
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{
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res.write("</div>");
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resolve(postData);
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}).catch(function(err)
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{
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console.log(err);
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})
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});
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}
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};
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