Personal blog written from scratch using Node.js, Bootstrap, and MySQL.
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202 lines
4.9 KiB
202 lines
4.9 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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* @author Jeffery Russell 6-30-18
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*/
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/**
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* Processes post requests from the addDownload form
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* @param res
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* @param postData
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* @returns {*|Promise}
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*/
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var addDownloadPostData = 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_download)
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{
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console.log(post);
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sql.addDownload(post.add_download_name, post.add_download_file).then(function()
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{
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resolve(postData);
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});
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}
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else
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{
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resolve(postData);
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}
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});
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};
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/**
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* Displays the addDownload form the the user
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*
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* @param res
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* @param postData
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* @returns {*|Promise}
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*/
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var addDownload = 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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addDownloadPostData(res, postData).then(function()
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{
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return utils.include(res, "./admin/addDownload.html");
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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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reject(err);
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});
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});
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};
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/**
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* Handel form requests from the downloads table
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*
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* @param res
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* @param postData
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* @returns {*|Promise}
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*/
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var displayDownloadsPostData = 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.delete_download)
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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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/**
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* Renders a single download row in the downloads table
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*
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* @param result
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* @param download
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* @returns {*|Promise}
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*/
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var renderDownloadRow = function(result, download)
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{
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return new Promise(function(resolve, reject)
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{
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result.write("<tr>");
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//download name
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result.write("<td>" + download.name + "</td>");
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//file name
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result.write("<td>" + download.file + "</td>");
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//download count
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result.write("<td>" + download.download_count + "</td>");
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//edit
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result.write("<td><form action=\"/admin/\" method =\"post\" >\n" +
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" <input type=\"submit\" name=\"submit\" value=\"Edit\"\n" +
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" class=\"btn btn-secondary\"/>\n" +
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"<input type='hidden' name='delete_download' value='" + download.download_id + "'/>"+
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"</form></td>");
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result.write("</tr>");
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resolve();
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});
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};
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/**
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* Displays all the download information in a table
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* @param res
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* @param postData
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* @returns {*|Promise}
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*/
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var displayDownloads = 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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displayDownloadsPostData(res, postData).then(function()
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{
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res.write("<div class='blogPost'>");
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res.write("<h1 class=\"text-center\">Downloads</h1>");
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res.write("<div class=\"\"><table class=\"table table-striped\">");
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res.write("<thead class=\"thead-dark\"><tr>");
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res.write("<td>Download Name</td><td>File</td><td>Download Count</td><td>Delete</td>");
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res.write("</tr></thead><tbody>");
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sql.getAllDownloads().then(function(downloads)
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{
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var downloadPromises = [];
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downloads.forEach(function(download)
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{
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downloadPromises.push(new Promise(function(resolveDownload, reject)
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{
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renderDownloadRow(res, download).then(function()
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{
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resolveDownload();
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}).catch(function(error)
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{
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reject(error);
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})
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}));
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});
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Promise.all(downloadPromises).then(function()
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{
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res.write("</tbody></table></div></div><br>");
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res.write("</div>");
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resolve(postData);
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});
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}).catch(function(error)
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{
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reject(error);
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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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{
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main: function(res, postData)
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{
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res.write("<div class=\"row\">");
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return new Promise(function(resolve, reject)
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{
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addDownload(res, postData).then(function()
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{
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return displayDownloads(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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reject(err);
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})
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});
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}
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};
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