63 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
class MediaAttachment < ApplicationRecord
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  IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
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  VIDEO_MIME_TYPES = ['video/webm', 'video/mp4'].freeze
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  belongs_to :account, inverse_of: :media_attachments
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  belongs_to :status,  inverse_of: :media_attachments
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  has_attached_file :file,
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    styles: -> (f) { file_styles f },
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    processors: -> (f) { f.video? ? [:transcoder] : [:thumbnail] },
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    convert_options: { all: "-strip" }
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  validates_attachment_content_type :file, content_type: IMAGE_MIME_TYPES + VIDEO_MIME_TYPES
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  validates_attachment_size :file, less_than: 4.megabytes
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  validates :account, presence: true
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  def local?
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    remote_url.blank?
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  end
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  def file_remote_url=(url)
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    self.file = URI.parse(url)
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  end
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  def image?
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    IMAGE_MIME_TYPES.include? file_content_type
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  end
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  def video?
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    VIDEO_MIME_TYPES.include? file_content_type
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  end
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  def type
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    image? ? 'image' : 'video'
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  end
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private
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  def self.file_styles(f)
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    if f.instance.image?
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      {
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        original: '100%',
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        small: '510x680>'
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      }
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    else
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      {
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        original: {
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          convert_options: {},
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          format: 'webm'
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        },
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        small: {
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          convert_options: {
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            output: {
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              vf: 'scale=\'min(510\, iw):min(680\, ih)\':force_original_aspect_ratio=decrease'
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            }
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          },
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          format: 'png',
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          time: 1
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        }
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      }
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    end
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  end
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end
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