46 lines
1.0 KiB
Ruby
46 lines
1.0 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: site_uploads
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#
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# id :bigint(8) not null, primary key
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# var :string default(""), not null
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# file_file_name :string
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# file_content_type :string
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# file_file_size :integer
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# file_updated_at :datetime
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# meta :json
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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class SiteUpload < ApplicationRecord
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has_attached_file :file
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validates_attachment_content_type :file, content_type: /\Aimage\/.*\z/
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validates :file, presence: true
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validates :var, presence: true, uniqueness: true
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before_save :set_meta
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after_commit :clear_cache
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def cache_key
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"site_uploads/#{var}"
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end
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private
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def set_meta
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tempfile = file.queued_for_write[:original]
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return if tempfile.nil?
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width, height = FastImage.size(tempfile.path)
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self.meta = { width: width, height: height }
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end
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def clear_cache
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Rails.cache.delete(cache_key)
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end
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end
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