acece7a2e6
to_s method of HTTP::Response keeps blocking while it receives the whole content, no matter how it is big. This means it may waste time to receive unacceptably large files. It may also consume memory and disk in the process. This solves the inefficency by checking response length while receiving.
69 lines
2.1 KiB
Ruby
69 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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# == Schema Information
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#
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# Table name: preview_cards
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#
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# id :integer not null, primary key
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# url :string default(""), not null
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# title :string default(""), not null
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# description :string default(""), not null
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# image_file_name :string
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# image_content_type :string
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# image_file_size :integer
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# image_updated_at :datetime
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# type :integer default("link"), not null
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# html :text default(""), not null
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# author_name :string default(""), not null
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# author_url :string default(""), not null
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# provider_name :string default(""), not null
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# provider_url :string default(""), not null
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# width :integer default(0), not null
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# height :integer default(0), not null
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# created_at :datetime not null
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# updated_at :datetime not null
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# embed_url :string default(""), not null
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#
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class PreviewCard < ApplicationRecord
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IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
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LIMIT = 1.megabytes
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self.inheritance_column = false
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enum type: [:link, :photo, :video, :rich]
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has_and_belongs_to_many :statuses
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has_attached_file :image, styles: { original: { geometry: '400x400>', file_geometry_parser: FastGeometryParser } }, convert_options: { all: '-quality 80 -strip' }
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include Attachmentable
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validates :url, presence: true, uniqueness: true
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validates_attachment_content_type :image, content_type: IMAGE_MIME_TYPES
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validates_attachment_size :image, less_than: LIMIT
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remotable_attachment :image, LIMIT
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before_save :extract_dimensions, if: :link?
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def save_with_optional_image!
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save!
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rescue ActiveRecord::RecordInvalid
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self.image = nil
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save!
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end
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private
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def extract_dimensions
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file = image.queued_for_write[:original]
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return if file.nil?
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width, height = FastImage.size(file.path)
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return nil if width.nil?
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self.width = width
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self.height = height
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end
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end
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