Contents

module Ksk
  module Asset
    extend ActiveSupport::Concern

    included do
      self.table_name = 'assets'

      belongs_to :fileable, polymorphic: true

      default_scope -> {order 'position ASC, created_at DESC'}

      has_one :preview
      before_create :set_last_position


      #validates_attachment :file, :content_type => { :content_type => IMGTYPE }
      IMGTYPE = ['image/jpeg', 'image/pjpeg', 'image/jpg', 'image/png', 'image/tif', 'image/gif']

      scope :only_images, -> {where(file_content_type: IMGTYPE)}
      scope :first_image, -> {only_images.limit(1)}
      scope :other_images, -> {only_images.offset(1)}

      scope :only_data_files, -> {where(['file_content_type not in (?)', IMGTYPE])}
      scope :first_data_files, -> {only_data_files.limit(1)}

      before_file_post_process :allow_only_images
    end


    def allow_only_images
      if !(file.content_type =~ %r{^(image|(x-)?application)/(x-png|pjpeg|jpeg|jpg|png|gif)$})
        return false
      end
    end 

    def is_image?
      IMGTYPE.include?(file.content_type)
    end

    def has_preview?
      preview && (preview.assets.any? || !preview.name.blank?)
    end

    def has_preview_image?
      preview.assets.any? and preview.assets.first.file
    end

    def preview_file
      if has_preview?
        preview.assets.first.file
      end
    end

    def to_bhf_s
      "ID: #{id} - Name: #{file_file_name}"
    end
    
    def set_last_position
      self.position = self.class.where(fileable_id: self.fileable_id).count+1
    end
    
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
ksk-0.2.6	lib/actives/asset.rb
ksk-0.2.5	lib/actives/asset.rb
ksk-0.2.4	lib/actives/asset.rb