mirror of
https://github.com/mastodon/mastodon.git
synced 2024-12-15 07:34:58 +01:00
93 lines
2.6 KiB
Ruby
93 lines
2.6 KiB
Ruby
# frozen_string_literal: true
|
|
# == Schema Information
|
|
#
|
|
# Table name: preview_cards
|
|
#
|
|
# id :bigint(8) not null, primary key
|
|
# url :string default(""), not null
|
|
# title :string default(""), not null
|
|
# description :string default(""), not null
|
|
# image_file_name :string
|
|
# image_content_type :string
|
|
# image_file_size :integer
|
|
# image_updated_at :datetime
|
|
# type :integer default("link"), not null
|
|
# html :text default(""), not null
|
|
# author_name :string default(""), not null
|
|
# author_url :string default(""), not null
|
|
# provider_name :string default(""), not null
|
|
# provider_url :string default(""), not null
|
|
# width :integer default(0), not null
|
|
# height :integer default(0), not null
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
# embed_url :string default(""), not null
|
|
#
|
|
|
|
class PreviewCard < ApplicationRecord
|
|
IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
|
|
LIMIT = 1.megabytes
|
|
|
|
self.inheritance_column = false
|
|
|
|
enum type: [:link, :photo, :video, :rich]
|
|
|
|
has_and_belongs_to_many :statuses
|
|
|
|
has_attached_file :image, styles: ->(f) { image_styles(f) }, convert_options: { all: '-quality 80 -strip' }
|
|
|
|
include Attachmentable
|
|
|
|
validates :url, presence: true, uniqueness: true
|
|
validates_attachment_content_type :image, content_type: IMAGE_MIME_TYPES
|
|
validates_attachment_size :image, less_than: LIMIT
|
|
remotable_attachment :image, LIMIT
|
|
|
|
scope :cached, -> { where.not(image_file_name: [nil, '']) }
|
|
|
|
before_save :extract_dimensions, if: :link?
|
|
|
|
def missing_image?
|
|
width.present? && height.present? && image_file_name.blank?
|
|
end
|
|
|
|
def save_with_optional_image!
|
|
save!
|
|
rescue ActiveRecord::RecordInvalid
|
|
self.image = nil
|
|
save!
|
|
end
|
|
|
|
class << self
|
|
private
|
|
|
|
def image_styles(f)
|
|
styles = {
|
|
original: {
|
|
geometry: '400x400>',
|
|
file_geometry_parser: FastGeometryParser,
|
|
convert_options: '-coalesce -strip',
|
|
},
|
|
}
|
|
|
|
styles[:original][:format] = 'jpg' if f.instance.image_content_type == 'image/gif'
|
|
styles
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def extract_dimensions
|
|
file = image.queued_for_write[:original]
|
|
|
|
return if file.nil?
|
|
|
|
width, height = FastImage.size(file.path)
|
|
|
|
return nil if width.nil?
|
|
|
|
self.width = width
|
|
self.height = height
|
|
end
|
|
end
|