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- # frozen_string_literal: true
- module AccountHeader
- extend ActiveSupport::Concern
- IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
- LIMIT = 2.megabytes
- MAX_PIXELS = 750_000 # 1500x500px
- class_methods do
- def header_styles(file)
- styles = { original: { pixels: MAX_PIXELS, file_geometry_parser: FastGeometryParser } }
- styles[:static] = { format: 'png', convert_options: '-coalesce', file_geometry_parser: FastGeometryParser } if file.content_type == 'image/gif'
- styles
- end
- private :header_styles
- end
- included do
- # Header upload
- has_attached_file :header, styles: ->(f) { header_styles(f) }, convert_options: { all: '-strip' }, processors: [:lazy_thumbnail]
- validates_attachment_content_type :header, content_type: IMAGE_MIME_TYPES
- validates_attachment_size :header, less_than: LIMIT
- remotable_attachment :header, LIMIT
- end
- def header_original_url
- header.url(:original)
- end
- def header_static_url
- header_content_type == 'image/gif' ? header.url(:static) : header_original_url
- end
- end
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