34 lines
1.1 KiB
Ruby
34 lines
1.1 KiB
Ruby
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# frozen_string_literal: true
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module GroupCoverImage
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extend ActiveSupport::Concern
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LIMIT = 4.megabytes
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IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif', 'image/webp'].freeze
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class_methods do
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def cover_image_styles(file)
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styles = { original: { geometry: '1200x475#', file_geometry_parser: FastGeometryParser } }
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styles[:static] = { geometry: '1200x475#', format: 'png', convert_options: '-coalesce', file_geometry_parser: FastGeometryParser } if file.content_type == 'image/gif'
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styles
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end
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private :cover_image_styles
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end
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included do
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has_attached_file :cover_image, styles: ->(f) { cover_image_styles(f) }, convert_options: { all: '-strip' }, processors: [:lazy_thumbnail]
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validates_attachment_content_type :cover_image, content_type: IMAGE_MIME_TYPES
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validates_attachment_size :cover_image, less_than: LIMIT
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remotable_attachment :cover_image, LIMIT
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end
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def cover_image_original_url
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cover_image.url(:original)
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end
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def cover_image_static_url
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cover_image_content_type == 'image/gif' ? cover_image.url(:static) : cover_image_original_url
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end
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end
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