nyastodon/app/models/site_upload.rb

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# frozen_string_literal: true
# == Schema Information
#
# Table name: site_uploads
#
# id :bigint(8) not null, primary key
# var :string default(""), not null
# file_file_name :string
# file_content_type :string
# file_file_size :integer
# file_updated_at :datetime
# meta :json
# created_at :datetime not null
# updated_at :datetime not null
# blurhash :string
#
class SiteUpload < ApplicationRecord
include Attachmentable
STYLES = {
thumbnail: {
'@1x': {
format: 'png',
geometry: '1200x630#',
file_geometry_parser: FastGeometryParser,
blurhash: {
x_comp: 4,
y_comp: 4,
}.freeze,
},
'@2x': {
format: 'png',
geometry: '2400x1260#',
file_geometry_parser: FastGeometryParser,
}.freeze,
}.freeze,
mascot: {}.freeze,
}.freeze
has_attached_file :file, styles: ->(file) { STYLES[file.instance.var.to_sym] }, convert_options: { all: '-coalesce -strip' }, processors: [:lazy_thumbnail, :blurhash_transcoder, :type_corrector]
validates_attachment_content_type :file, content_type: /\Aimage\/.*\z/
validates :file, presence: true
validates :var, presence: true, uniqueness: true
before_save :set_meta
after_commit :clear_cache
def cache_key
"site_uploads/#{var}"
end
private
def set_meta
tempfile = file.queued_for_write[:original]
return if tempfile.nil?
width, height = FastImage.size(tempfile.path)
self.meta = { width: width, height: height }
end
def clear_cache
Rails.cache.delete(cache_key)
end
end