Carrierwave image dimension validation

Question

I've been reading this post. Validate image size in carrierwave uploader

It looks like my validator is working correctly, but, I don't get the alert notice. I just get redirected to the form again.

How can I add a rails alert notice to this? Thanks !

def validate_minimum_image_size
  image = MiniMagick::Image.open(photo.path)
  unless image[:width] > 400 && image[:height] > 400
  errors.add :image, alert: "should be 400x400px minimum!" 
end

Photos controller create method:

def create
    @photo = Photo.new(photo_params)
    @photo.user = current_user

    if @photo.save
        redirect_to [current_user, @photo], notice: 'El spot se ha subido correctamente!'
    else
        puts 'shit!!!!!!'
        render 'new'
    end
end

Try removing the `alert` keyword and just give "should be 400x400px minimum!" — Pavan, May 26 '14 at 16:46

score 0 · Accepted Answer · answered May 26 '14 at 16:52

0

Ok fixed, I changed

errors.add :image, alert: "should be 400x400px minimum!"

to

errors.add :photo, alert: "should be 400x400px minimum!"

answered May 26 '14 at 16:52

Gibson

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Carrierwave image dimension validation

1 Answers1