163 lines
3.3 KiB
Ruby
163 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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class ExternalAPIImage < ApplicationRecord
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class Error < StandardError; end
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CACHE_TIME = 2.days
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IGNORED_ARTISTS = %w[avoid_posting conditional_dnp sound_warning epilepsy_warning].freeze
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Site = Struct.new(:name, :value, :format)
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SITES = [
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Site.new("E621", "e621", "https://e621.net/posts/%s"),
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Site.new("Femboy Fans", "femboyfans", "https://femboy.fan/posts/%s"),
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].freeze
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belongs_to :api_image
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validates :site, inclusion: { in: SITES.map(&:value) }
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enum site: SITES.to_h { |s| [s.value, s.value] }
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module DataMethods
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def url
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case site
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when "e621"
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"https://e621.net/posts/#{external_id}"
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when "femboyfans"
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"https://femboy.fan/posts/#{external_id}"
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else
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data_error("format url")
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end
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end
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def file_url
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return nil if is_deleted?
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case site
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when "e621", "femboyfans"
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cache.dig("file", "url")
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else
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data_error("format file_url")
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end
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end
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def width
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case site
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when "e621", "femboyfans"
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cache.dig("file", "width")
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else
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data_error("format width")
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end
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end
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def height
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case site
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when "e621", "femboyfans"
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cache.dig("file", "height")
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else
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data_error("format height")
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end
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end
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def size
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case site
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when "e621", "femboyfans"
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cache.dig("file", "size")
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else
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data_error("format size")
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end
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end
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def ext
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case site
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when "e621", "femboyfans"
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cache.dig("file", "ext")
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else
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data_error("format ext")
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end
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end
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def md5
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case site
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when "e621", "femboyfans"
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cache.dig("file", "md5")
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else
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data_error("format md5")
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end
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end
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def is_deleted?
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case site
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when "e621", "femboyfans"
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cache.dig("flags", "deleted")
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else
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false
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end
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end
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def artists
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case site
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when "e621", "femboyfans"
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cache.dig("tags", "artist") - IGNORED_ARTISTS
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else
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data_error("format artists")
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end
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end
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def sources
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case site
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when "e621", "femboyfans"
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[url] + cache["sources"].select { |s| s.start_with?("http") }
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else
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data_error("format sources")
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end
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end
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def report_url
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case site
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when "e621", "femboyfans"
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url
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end
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end
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def data_error(text)
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raise(Error, "Don't know how to #{text} for ExternalApiImage #{id}: #{site}")
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end
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end
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module CacheMethods
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def cache
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update_cache! if cached_data.blank?
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update_cache if cache_expired?
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cached_data
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end
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def cache_expired?
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cache_last_updated_at < CACHE_TIME.ago
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end
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def update_cache
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UpdateExternalCacheJob.perform_later(self)
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end
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def update_cache!
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case site
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when "e621"
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data = Requests::E621.get_post(id: external_id)
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when "femboyfans"
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data = Requests::FemboyFans.get_post(id: external_id)
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else
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data_error("update cache")
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end
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update(cached_data: data, cache_last_updated_at: Time.now)
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if is_deleted?
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api_image.remove_iqdb
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else
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api_image.update_iqdb
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end
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api_image.update(is_viewable: !is_deleted?)
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end
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end
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include CacheMethods
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include DataMethods
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end
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