rotom_bot/app/controllers/image_controller.rb

class ImageController
  def self.default_image(content, char_id)
    if image_url = /\*\*URL to the Character\'s Appearance\*\*\:\s(.*)/.match(content)
      unless CharImage.where(char_id: char_id).find_by(url: image_url[1])
        image = CharImage.create(char_id: char_id, url: image_url[1], category: 'SFW', keyword: 'Primary')
      end
    end

    if image
      image.url
    else
      image_url[1]
    end
  end

  def self.edit_image(params)
    img_hash = CharImage.from_form(params)

    if image = CharImage.where(char_id: img_hash["char_id"]).find_by(url: img_hash["url"])
      image.update!(img_hash)
      image.reload
    else
      image = CharImage.create(img_hash)
    end

    image
  end
end