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Contents
module Tenon
class Asset < ActiveRecord::Base
attr_accessor :crop_x, :crop_y, :crop_w, :crop_h, :duplicate
# Scopes
default_scope -> { order('created_at DESC').includes(:item_assets) }
# Associations
has_many :item_assets
# Attachment
has_attached_file :attachment, styles: Proc.new { |clip|
Tenon::AssetStyleGenerator.generate(clip.instance)
}
validates_attachment_presence :attachment
do_not_validate_attachment_file_type :attachment
before_attachment_post_process :prevent_pdf_thumbnail
# Tags
acts_as_taggable
# Filters
before_destroy :check_attached_items
def self.with_type(type)
if %w(images videos).include?(type)
where('attachment_content_type LIKE ?', "%#{type.singularize}%")
else
documents
end
end
def self.documents
where('attachment_content_type NOT LIKE ?', '%image%')
.where('attachment_content_type NOT LIKE ?', '%video%')
end
def is_image?
attachment_content_type =~ /image/
end
def dimensions(style = :original)
attach = style.to_sym == :original ? attachment : attachment.styles[style]
file = Paperclip.io_adapters.for(attach)
Paperclip::Geometry.from_file(file).to_s.split('x')
end
def cropping?
crop_x.present?
end
private
def check_attached_items
unless item_assets.count == 0
errors.add(:base, "This asset has been attached to items in your site and can't be deleted.")
return false
end
end
def prevent_pdf_thumbnail
return false unless attachment_content_type.index('image')
end
end
end
Version data entries
48 entries across 48 versions & 1 rubygems