Files
danbooru/app/logical/iqdb_proxy.rb

50 lines
1.7 KiB
Ruby

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