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Frosty CMS: Capturing New Post Data In A Form


Continuing our series on Frosty CMS, where we are building a blog CMS from scratch. In this post we will be creating a β€œNew Post” form and sending that data to our database for retrieval and display in our template.

Scaffolding the Form

The first and easiest step is to create a form with a field for each piece of data that we need our blog posts to contain. Specifically:

  • Title
  • Author
  • Content
  • Featured Image URL

We can add more options later, but this is the minimum for a bare bones blog.

Since we are using Bootstrap we can reference the Bootstrap Forms guide to create our template.

<!-- fixed width container for content -->
<div class="container-lg mt-5">

    <!--input for title, author, image, content -->
    <form action="/posts" method="post">

        <div class="form-group">
            <label for="featuredImageURL">
                <h4>Featured Image URL</h4>
            <input type="text" class="form-control" id="featuredImageURL" name="image">
            <small id="imageHelp" class="form-text text-muted">Paste URL of a hosted image. Will create media database in future update.</small>

        <div class="form-group">
            <label for="titleInput">
            <input type="text" class="form-control" id="titleInput" placeholder="Enter Post Title" name="title">

        <div class="form-group">
            <label for="authorInput">
            <input type="text" class="form-control" id="authorInput" placeholder="Enter Author Name" name="author">

        <div class="form-group">
            <label for="contentInput">
            <textarea class="form-control" id="contentInput" rows="3" placeholder="Content goes here..." name="content"></textarea>

        <button type="submit" class="btn btn-primary">Submit</button>



<form action="/posts" method="post">

This is key, because it is telling the form what to do when you hit the submit button. We are telling the form to make a POST request, and we are telling it where to send the POST request, which in this case is /posts. In our application we will soon be writing a POST route to capture the data from this form and redirect it for storage.

Additionally take note of the name attribute on the inputs, as that is what we will be referencing in our POST routes.

Parsing Post Request

Next we need to tell our app to listen for POST requests, and we need to parse out the body data that we receive for what is actually meaningful for us. AKA – the new post data. Make sure you have body-parser installed and imported.

// import body-parser
var bodyParser = require("body-parser");

// use body-parser

Then we create a POST route that makes variables to capture all those named fields in the form, we combine those variables into one object called newPost and we .push the new object onto our posts array."/posts", function(req, res){
    // get data from form and add to posts array
    var title = req.body.title;
    var author =;
    var content = req.body.content;
    var image = req.body.image;
    var newPost = {title: title, author: author, content: content, image: image};
    // redirect back to posts page

The next step is to push the data to a real database so that the data is persistent: Frosty CMS: Setting up the Database

GitHub Repo

Ncoughlin: Frosty

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