55 lines
2.1 KiB
Ruby
55 lines
2.1 KiB
Ruby
class IqdbProxy
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class Error < StandardError; end
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def self.enabled?
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Danbooru.config.iqdbs_server.present?
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end
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def self.search(params)
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raise NotImplementedError, "the IQDBs service isn't configured" unless enabled?
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limit = params[:limit]&.to_i&.clamp(1, 1000) || 20
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similarity = params[:similarity]&.to_f&.clamp(0.0, 100.0) || 0.0
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high_similarity = params[:high_similarity]&.to_f&.clamp(0.0, 100.0) || 65.0
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if params[:file].present?
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results = query(file: params[:file], limit: limit)
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elsif params[:url].present?
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url = Sources::Strategies.find(params[:url]).preview_url
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results = query(url: url, limit: limit)
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elsif params[:image_url].present?
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url = Sources::Strategies.find(params[:image_url]).image_url
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results = query(url: url, limit: limit)
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elsif params[:post_id].present?
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url = Post.find(params[:post_id]).preview_file_url
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results = query(url: url, limit: limit)
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else
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results = []
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end
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results = results.select { |result| result["score"] >= similarity }.take(limit)
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matches = decorate_posts(results)
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high_similarity_matches, low_similarity_matches = matches.partition { |match| match["score"] >= high_similarity }
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[high_similarity_matches, low_similarity_matches, matches]
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end
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def self.query(params)
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response = HTTParty.post("#{Danbooru.config.iqdbs_server}/similar", body: params, **Danbooru.config.httparty_options)
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raise Error, "IQDB error: #{response.code} #{response.message}" unless response.success?
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raise Error, "IQDB error: #{response.parsed_response["error"]}" if response.parsed_response.is_a?(Hash)
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raise Error, "IQDB error: #{response.parsed_response.first}" if response.parsed_response.try(:first).is_a?(String)
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response.parsed_response
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end
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def self.decorate_posts(json)
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post_ids = json.map { |match| match["post_id"] }
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posts = Post.where(id: post_ids).group_by(&:id).transform_values(&:first)
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json.map do |match|
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post = posts.fetch(match["post_id"], nil)
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match.with_indifferent_access.merge(post: post) if post
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end.compact
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end
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end
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