Personal blog written from scratch using Node.js, Bootstrap, and MySQL.
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194 lines
4.9 KiB
194 lines
4.9 KiB
/**
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* File which deals with adding and removing downloads from
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* the admin section of the website.
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*
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* @author Jeffery Russell 6-30-18
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*/
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/** Whiskers template file */
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const TEMPLATE_FILE = "admin/adminUsers.html";
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const includes = require('../includes/includes.js');
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//updates db
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const sql = require('../utils/sql');
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//parses post data
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const qs = require('querystring');
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/**
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* Processes post requests from the addDownload form
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*
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* @param postData
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* @returns {*|Promise}
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*/
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const addUserPostData = function(postData)
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{
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return new Promise(function(resolve, reject)
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{
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const post = qs.parse(postData);
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if(post.add_user)
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{
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sql.addUser(post.add_user_name, post.add_user_password)
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.then(function()
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{
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resolve();
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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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else
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{
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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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* Removes a download if requested by the
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* post data from an admin.
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*/
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const removeUserPost = function(postData)
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{
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return new Promise(function(resolve, reject)
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{
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const post = qs.parse(postData);
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console.log(post);
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if(post.delete_user)
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{
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console.log("Removing user: " + post.delete_user);
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sql.removeUser(post.delete_user).then(function()
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{
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resolve();
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}).catch(function(err)
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{
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reject(err);
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});
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}
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else
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{
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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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* Processes post data to determine if the user requested that
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* a user be updated in the database.
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*/
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const editUserPost = function(postData, templateContext)
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{
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return new Promise(function(resolve, reject)
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{
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const post = qs.parse(postData);
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if(post.edit_user)
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{
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sql.getUserByID(post.edit_user).then(function(user)
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{
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if(user.length == 1)
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{
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templateContext.edit_user = post.edit_user;
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templateContext.user_name = user[0].user_name;
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resolve();
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}
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else
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{
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resolve();
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}
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}).catch(function(err)
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{
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reject(err);
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});
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}
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else if(post.edit_user_2)
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{
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sql.updateUser(post.edit_user_2, post.edit_user_name, post.edit_user_password)
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.then(function()
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{
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resolve();
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})
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}
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else
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{
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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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* Fetches the download items in the database so that
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* the template engine can use it to display them in
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* a table.
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*
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* @param templateContext-- context item used by whiskers
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* @returns {Promise}
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*/
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const getUserInformation = function(templateContext)
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{
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return new Promise(function(resolve, reject)
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{
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sql.getAllUsers().then(function(users)
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{
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templateContext.users = users;
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resolve();
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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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module.exports=
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{
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/** Fetches context information for the template and handles
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* post data for the downloads.
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*
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* @param postData posted by user
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* @param templateContext json object used as the template context
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* @returns {Promise} renders the template used for this page
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*/
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main: function(postData, templateContext)
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{
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return new Promise(function(resolve, reject)
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{
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Promise.all([includes.fetchTemplate(TEMPLATE_FILE),
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addUserPostData(postData),
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removeUserPost(postData),
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editUserPost(postData, templateContext),
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getUserInformation(templateContext)]).then(function(template)
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{
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resolve(template[0]);
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}).catch(function(error)
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{
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console.log("error in users.js");
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reject(error);
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});
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});
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},
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processPostData: function(postData, templateContext)
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{
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return new Promise(function(resolve, reject)
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{
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Promise.all([includes.fetchTemplate(TEMPLATE_FILE),
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addUserPostData(postData),
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removeUserPost(postData),
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editUserPost(postData, templateContext),
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getUserInformation(templateContext)]).then(function(template)
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{
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resolve(template[0]);
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}).catch(function(error)
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{
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console.log("error in users.js");
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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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