image_uploads.md

Image Uploads

TODO: to be replaced with ActiveStorage

Static image uploads and managed using Carrierwave, and there is an uploader to control this ImageUploader

Model Layer

The uploader field is called by convention image_file.

In the model class

mount_uploader :image_file, ImageUploader

Controller

The :image_file field needs to added to permitted attributes.

View

Edit

<label>Image</label>
<div class="upload">
  <%= f.file_field :image_file, class: 'file-upload' %>
  <span>Your image will be cropped if necessary. 5MB limit</span>
</div>

Show

A cell exists for presentation of the images. There are two sizes available for images: :thumbnail and :medium. The default is :medium

If an image cannot be found, a placeholder image is used instead.

Example:

<%= concept(Image::Cell,@challenge,size: :thumbnail) %>