42 lines
1 KiB
Ruby
42 lines
1 KiB
Ruby
# frozen_string_literal: true
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class Attachment < ApplicationRecord
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belongs_to :attachable, polymorphic: true
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has_attached_file :file,
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styles: lambda { |a|
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if a.instance.image?
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{
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thumb: 'x128#',
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medium: 'x320>'
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}
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else
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{}
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end
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}
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validates :attachable, presence: true
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validates_attachment_content_type :file, content_type: Attachable.allowed_types
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validates_attachment_size :file, in: 0.megabytes..5.megabytes
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def image?
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Attachable.image_types.include?(file.instance.file_content_type)
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end
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def audio?
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Attachable.audio_types.include?(file.instance.file_content_type)
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end
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def text?
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Attachable.text_types.include?(file.instance.file_content_type)
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end
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def pdf?
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Attachable.pdf_types.include?(file.instance.file_content_type)
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end
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def document?
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text? || pdf?
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end
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end
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