Files
danbooru/app/logical/iqdb/download.rb
evazion 8de20d2b36 Iqdb::Download.find_similar: raise on iqdb errors.
* Raise an error on iqdb errors instead of returning no matches.
* Include the iqdb api response in the error response.
2018-04-07 18:03:10 -05:00

50 lines
1.4 KiB
Ruby

module Iqdb
class Download
class Error < StandardError; end
def self.enabled?
Danbooru.config.iqdbs_server.present? && Danbooru.config.iqdbs_auth_key.present?
end
def self.get_referer(url)
headers = {}
datums = {}
Downloads::RewriteStrategies::Base.strategies.each do |strategy|
url, headers, datums = strategy.new(url).rewrite(url, headers, datums)
end
[url, headers["Referer"]]
end
def self.find_similar(source)
raise NotImplementedError, "the IQDBs service isn't configured. Similarity searches are not available." unless enabled?
url, ref = get_referer(source)
params = {
"key" => Danbooru.config.iqdbs_auth_key,
"url" => url,
"ref" => ref
}
uri = URI.parse("#{Danbooru.config.iqdbs_server}/similar")
uri.query = URI.encode_www_form(params)
resp = HTTParty.get(uri, Danbooru.config.httparty_options)
raise "HTTP error code: #{resp.code} #{resp.message}" unless resp.success?
json = JSON.parse(resp.body)
raise "IQDB error: #{json["error"]}" unless json.is_a?(Array)
post_ids = json.map { |match| match["post_id"] }
posts = Post.find(post_ids)
json.map do |match|
post = posts.find { |post| post.id == match["post_id"] }
match.with_indifferent_access.merge({ post: post })
end
rescue => e
raise Error, { message: e.message, iqdb_response: json }
end
end
end