paperclip

While i was trying to submit the form, following error occured: Validation failed: Images imageable must exist and render the same new.html.erb view. If i comment the file field in new.html.erb . Product is being created successfully. ProductsController: def new @product = Product.new end def create @product = Product.create!(product_params) if @product.save redirect_to products_path, notice: "Product Created Successfully" else render "new" end end def product_params params.require(:product).permit(:name, :quantity, :price, images_attributes: [:id, :photo, :_destroy]) end new.html.erb: <%=

How do people write their Rails migrations that involve Paperclip ? I feel that I might be missing something obvious as I have now written my own migration helpers hacks that makes it easier and also take care of doing necessary filesystem changes. And of course you should test run these kinds of migrations in a development (and staging) environment before deploying to production. Paperclip migration rename, add and remove helpers Paperclip change path migration helper (not really a database migration but think it fits quite nice anyway) Are there any better solutions or best practices? some

How can I restrict Paperclip to only accept images? I'm using Amazon S3 for storage if that's relevant. Thanks for reading. Paperclip has validation methods like validates_attachment_presence , validates_attachment_content_type , and validates_attachment_size . So all you need to do is pass mime types of images you'd like to have as attachments: validates_attachment_content_type 'image/png', 'image/jpg' From https://makandracards.com/makandra/606-only-allow-pictures-as-paperclip-attachments validates_attachment_content_type :image, :content_type => /^image\/(jpg|jpeg|pjpeg|png|x-png|gif)$/,

Paperclip is a great upload plugin for Rails. Storing uploads on the local filesystem or Amazon S3 seems to work well. I'd just assume store files on the localhost, but the use of S3 is required for this app as it will be hosted on Heroku. How would I go about getting all of my uploads/attachments from S3 in a single zipped download? Getting a zip of files from the local filesystem seems straight forward. It's getting the files from S3 that has me puzzled. I think it may have something to do with the way that rubyzip handles files referenced by URL. I've tried various approaches but can't seem

My application is using Rails 2 backend, Heroku for hosting, Paperclip for file uploads, and Amazon S3 for file storage. Right now users can upload files with paperclip + s3 - this works flawlessly. After upload, an icon appears on their dashboard, linked to the file location (in s3 bucket). When the icon is clicked, the browser opens the file in a new window (for most file types - PDF, MP3, img, etc). Instead of opening, I want the file to be automatically downloaded when the user clicks the file's icon (like Gmail attachments). The solution should be able to work for any file type and cross