class Cardreader::Vision
Public Class Methods
new(key)
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# File lib/cardreader/vision.rb, line 4 def initialize(key) @key = key end
Public Instance Methods
post(image)
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# File lib/cardreader/vision.rb, line 8 def post(image) uri = "https://vision.googleapis.com/v1/images:annotate?key=#{@key}" base64_image = Base64.strict_encode64(File.new(image, 'rb').read) body = { requests: [{ image: { content: base64_image }, features: [ { type: 'TEXT_DETECTION', maxResults: 1 } ] }] }.to_json uri = URI.parse(uri) https = Net::HTTP.new(uri.host, uri.port) https.use_ssl = true request = Net::HTTP::Post.new(uri.request_uri) request["Content-Type"] = "application/json" response = https.request(request, body) #text = JSON.parse(response.body)["responses"][0]["fullTextAnnotation"]["text"] blocks = JSON.parse(response.body)["responses"][0]["fullTextAnnotation"]["pages"][0]["blocks"] page = [] blocks.each do |block| text = "" block["paragraphs"][0]["words"].each do |word| text += " " word["symbols"].each do |symbol| text += symbol["text"] end end page << text end return page.join("\n") end