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| require "faraday" | |
| require "byebug" | |
| require "json" | |
| require "nokogiri" | |
| require "open-uri" | |
| class ImagePopulator | |
| # class to wrap the API for Match Reverse Image Search | |
| # https://github.com/cleargraphinc/match | |
| def initialize( | |
| search_url: "http://0.0.0.0:8888", | |
| random_image_source: "https://commons.wikimedia.org/wiki/Special:Random/File", | |
| connection: Faraday.new(search_url) do |conn| | |
| conn.request :url_encoded | |
| conn.adapter :net_http | |
| end | |
| ) | |
| self.random_image_source = random_image_source | |
| self.connection = connection | |
| end | |
| # populate Match with images | |
| def create(count = 1) | |
| count.times do |index| | |
| image_url = random_image_src_url | |
| current = index + 1 | |
| puts "creating image #{current} of #{count}: #{image_url}" | |
| create_arbitrary(image_url) | |
| rescue NoMethodError, Faraday::ConnectionFailed # ruby ^2.5.0 required for this | |
| puts " * ERROR; SKIPPING *" | |
| next | |
| end | |
| end | |
| def create_arbitrary(image_url) | |
| connection.post("/add", { url: image_url, filepath: image_url }) | |
| end | |
| # get images matching url | |
| def search(image_url) | |
| response = connection.post("/search", { url: image_url }) | |
| JSON.parse(response.body) | |
| end | |
| def compare(image_url_1, image_url_2) | |
| response = connection.post("/compare", { url_1: image_url_1, url_2: image_url_2 }) | |
| JSON.parse(response.body) | |
| end | |
| def list(offset = 0, limit = 20) | |
| response = connection.get("/list", { offset: offset, limit: limit }) | |
| JSON.parse(response.body) | |
| end | |
| def count | |
| response = connection.get("/count") | |
| JSON.parse(response.body) | |
| end | |
| def delete(filepath) | |
| # not working for some reason. used postman to do this manually | |
| # maybe look at: https://gist.github.com/narath/9e74cb7dd17050c76936fded2861f2d1 | |
| # request.body = URI.encode({ filepath: filepath })? | |
| connection.delete("/delete?filepath=#{filepath}") | |
| end | |
| private | |
| attr_accessor :search_url, :random_image_source, :connection | |
| def random_image_src_url | |
| page = random_image_page | |
| # get src of image from wikipedia random file page | |
| page.css("#file").css("img").first.attribute("src").value | |
| end | |
| def random_image_page | |
| Nokogiri::HTML(open(random_image_page_url)) | |
| end | |
| def random_image_page_url | |
| response = Faraday.get(random_image_source) # get random file page | |
| image_url = response.headers["location"] # redirect url from 302 response | |
| puts " random page url: #{image_url}" | |
| image_url | |
| end | |
| end |
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