Personal blog written from scratch using Node.js, Bootstrap, and MySQL.
https://jrtechs.net
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103 lines
2.7 KiB
103 lines
2.7 KiB
/** Whiskers template file
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* this has stuff for both editing blog and viewing a list of blog*/
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const TEMPLATE_FILE = "admin/adminPosts.html";
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const includes = require('../includes/includes.js');
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const sql = require('../utils/sql');
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//parses the post data
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const qs = require('querystring');
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/**
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* Detects if the post data came from the edit form in blog table or edit post
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* in the edit post form.
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*
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* @param postData
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* @param renderContext
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* @returns {Promise}
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*/
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const processPostData = function(postData, renderContext)
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{
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return new Promise(function(resolve, reject)
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{
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var postParsed = qs.parse(postData);
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if(postParsed.edit_post)
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{
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renderContext.editPost = true;
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sql.getPostById(postParsed.edit_post).then(function(post)
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{
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post.published = post.published.toISOString().split('T')[0];
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renderContext.post = post;
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resolve();
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});
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}
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else if(postParsed.edit_post_2)
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{
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sql.editPost(postParsed).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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* Grabs and appends the list of blog from the SQL database to
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* the template context for the template renderer.
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*
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* @param templateContext
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* @returns {Promise}
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*/
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const fetchPostsInformation = 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.getAllPosts().then(function(posts)
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{
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templateContext.posts = posts;
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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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/**
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* Fetches context information for the admin blog page and handles post
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* data sent regarding editing blog.
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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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processPostData(postData, templateContext),
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fetchPostsInformation(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 add admin blog.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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